Now a days, mobile networks is increasingly becoming important part of everyday life due which there is a rapid evolution mobile phone. Mobile phone comes into a powerful sensing platform. There are many scientists which are engaged in the emerging field of mobile sensing from a variety of existing communities, such as, mobile systems, machine learning and human computer interaction. The research and development in this field is rapid resulting in indispensable carry-on of daily life. But with the increase in development, data integrity and security has also become an important factor to take into consideration. Importantly, today’s smart phones are programmable and come with a growing set of cheap powerful embedded sensors, which are enabling the emergence of personal, group, and community scale sensing applications. The mobile sensing platform provides many facilities like, it helps to communicate to Wireless sensor networks through a mobile sensor router Which attached to a users mobile phone. It helps in analysis of the sensed data which is derived from networks by cooperating with sensor middle- ware on a remote server to capture ones contexts. It also helps in providing context aware services for mobile users of cellular telephones. In this paper, we will discuss about
different mobile sensing platforms that provides context-aware services for mobile users by accessing the surrounding wireless sensor networks. Along with this, we will briefly discuss some of the emerging sensing paradigms.
Comparative Performance Analysis of Wireless Communication Protocols for Inte...chokrio
The systems based on intelligent sensors are currently expanding, due to theirs functions and theirs performances of intelligence: transmitting and receiving data in real-time, computation and processing algorithms, metrology remote, diagnostics, automation and storage measurements…The radio frequency wireless communication with its multitude offers a better solution for data traffic in this kind of systems. The mains objectives of this paper is to present a solution of the problem related to the selection criteria of a better wireless communication technology face up to the constraints imposed by the intended application and the evaluation of its key features. The comparison between the different wireless technologies (Wi-Fi, Wi-Max, UWB, Bluetooth, ZigBee, ZigBeeIP, GSM/GPRS) focuses on their performance which depends on the areas of utilization. Furthermore, it shows the limits of their characteristics. Study findings can be used by the developers/ engineers to deduce the optimal mode to integrate and to operate a system that guarantees quality of communication, minimizing energy consumption, reducing the implementation cost and avoiding time constraints.
“Helpdroid” we inspire by movie-Prema the
project we provide the accident detection in any place. We
provide the help to injuries peoples. When the car or bike
crash together then the GPS and GMS with the crash sensor
send the digital signal and send the message and call to near
police station, ambulance and there related persons.
A novel and innovative method for designing of rf mems deviceseSAT Journals
Abstract
The design complexity of the RF MEMS devices is increasing with fast rate, which require more accurate designing and simulation techniques. With upcoming technologies accurate simulation capability is a necessity for designing smaller chips. When devices are designed at nano scale, it presents a number of unique challenges. As the scale of the individual device decreases and the complexity of the physical structure increases, the nature of the device characteristics depart from those obtained from many of the classically held modeling concepts. Furthermore, the difficulty encountered in performing measurements on these devices means we have to put more emphasis on the results obtained from theoretical characteristics. Modeling also allows new device structures to be rigorously investigated prior to fabrication. This paper reports a novel and innovative method of design and simulation of MEMS based inductor by the method of co-simulation.
Keywords: Micro Electro Mechanical System, Radio Frequency, Co-Simulation, COMSOL Multiphysics, SOLIDWORKS, Computer Aided Design, Integrated Circuit
Comparative Performance Analysis of Wireless Communication Protocols for Inte...chokrio
The systems based on intelligent sensors are currently expanding, due to theirs functions and theirs performances of intelligence: transmitting and receiving data in real-time, computation and processing algorithms, metrology remote, diagnostics, automation and storage measurements…The radio frequency wireless communication with its multitude offers a better solution for data traffic in this kind of systems. The mains objectives of this paper is to present a solution of the problem related to the selection criteria of a better wireless communication technology face up to the constraints imposed by the intended application and the evaluation of its key features. The comparison between the different wireless technologies (Wi-Fi, Wi-Max, UWB, Bluetooth, ZigBee, ZigBeeIP, GSM/GPRS) focuses on their performance which depends on the areas of utilization. Furthermore, it shows the limits of their characteristics. Study findings can be used by the developers/ engineers to deduce the optimal mode to integrate and to operate a system that guarantees quality of communication, minimizing energy consumption, reducing the implementation cost and avoiding time constraints.
“Helpdroid” we inspire by movie-Prema the
project we provide the accident detection in any place. We
provide the help to injuries peoples. When the car or bike
crash together then the GPS and GMS with the crash sensor
send the digital signal and send the message and call to near
police station, ambulance and there related persons.
A novel and innovative method for designing of rf mems deviceseSAT Journals
Abstract
The design complexity of the RF MEMS devices is increasing with fast rate, which require more accurate designing and simulation techniques. With upcoming technologies accurate simulation capability is a necessity for designing smaller chips. When devices are designed at nano scale, it presents a number of unique challenges. As the scale of the individual device decreases and the complexity of the physical structure increases, the nature of the device characteristics depart from those obtained from many of the classically held modeling concepts. Furthermore, the difficulty encountered in performing measurements on these devices means we have to put more emphasis on the results obtained from theoretical characteristics. Modeling also allows new device structures to be rigorously investigated prior to fabrication. This paper reports a novel and innovative method of design and simulation of MEMS based inductor by the method of co-simulation.
Keywords: Micro Electro Mechanical System, Radio Frequency, Co-Simulation, COMSOL Multiphysics, SOLIDWORKS, Computer Aided Design, Integrated Circuit
Vision and Strategy for India’s Electricity Metering Infrastructure of the fu...IJERA Editor
In the country like India with over millions of kilometers of transmission lines and billions of consumers, task of
collecting information related to energy consumption of every consumer is a critical job. The meter reader has to
travel a long distance and take reading manually to collect the data. This reading is then feed in a central
database. Then the bill gets generated later with help of software. This project intends to reduce this tedious
work by automating the process of collecting data from consumer’s electricity meter. This would be done by
implementing Advanced Metering Infrastructure that unites all the various metering devices of a building in one
network and provides the metering data in real-time, locally and from remote. Here, AMI uses ZigBee to build
up high-rise building area network of connected metering devices.
Advanced Metering Infrastructure (AMI) is an integrated system of smart meters, communication networks, and data management systems that enables two-way communication between utilities and customers.
Smart meters are electronic measurement devices used by utilities to communicate information for billing customers and operating their electric systems. This paper presents the hardware design of a smart meter. Sensing and circuit protection circuits are included in the design of the smart meter in which resistors are naturally a fundamental part of the electronic design. Smart meters provides a route for energy savings, real-time pricing, automated data collection and eliminating human errors due to manual readings which would ultimately reduce labour costs, diagnosis and instantaneous fault detection. This allows for predictive maintenance resulting in a more efficient and reliable distribution network.
Optimal Operating Performances of Wireless Protocols for Intelligent Sensors ...chokrio
The systems based on intelligent sensors are currently expanding, due to theirs functions and theirs performances of intelligence: transmitting and receiving data in real-time, computation and processing algorithms, metrology remote, diagnostics, automation and storage measurements…The radio frequency wireless communication with its multitude offers a better solution for data traffic in this kind of systems. The mains objectives of this paper is to present a solution of the problem related to the selection criteria of a better wireless communication technology face up to the constraints imposed by the intended application and the evaluation of its key features. The comparison between the different wire-less technologies (Wi-Fi, Wi-Max, UWB, Bluetooth, ZigBee, ZigBeeIP, GSM/GPRS) focuses on their performance which depends on the areas of utilization. Furthermore, it shows the limits of their characteristics. Study findings can be used by the developers/ engineers to deduce the optimal mode to integrate and to operate a system that guarantees quality of communication, minimizing energy consumption, reducing the implementation cost and avoiding time con-straints.
Efficiency Evaluation Metrics for Wireless Intelligent Sensors Applicationschokrio
The metrology field has been progressed with the
appearance of the wireless intelligent sensor systems providing more capabilities such as signal processing, remote multisensing fusion etc. This kind of devices is rapidly making their way into medical and industrial monitoring, collision avoidance, traffic control, automotive and others applications. However, numerous design challenges for wireless intelligent sensors systems are imposed to overcome the physical limitations in data traffic, such as system noise, real time communication,
signal attenuation, response dynamics, power consumption, and effective conversion rates etc, especially for applications requiring specific performances. This paper analyzes the performance metrics of the mentioned sensing devices systems which stands for superior measurement, more accuracy and reliability. Study findings prescribe researchers, developers/ engineers and users to realizing an optimal sensing motes design strategy that offers operational advantages which can offer cost-effective solutions for an application.
Vision and Strategy for India’s Electricity Metering Infrastructure of the fu...IJERA Editor
In the country like India with over millions of kilometers of transmission lines and billions of consumers, task of
collecting information related to energy consumption of every consumer is a critical job. The meter reader has to
travel a long distance and take reading manually to collect the data. This reading is then feed in a central
database. Then the bill gets generated later with help of software. This project intends to reduce this tedious
work by automating the process of collecting data from consumer’s electricity meter. This would be done by
implementing Advanced Metering Infrastructure that unites all the various metering devices of a building in one
network and provides the metering data in real-time, locally and from remote. Here, AMI uses ZigBee to build
up high-rise building area network of connected metering devices.
Advanced Metering Infrastructure (AMI) is an integrated system of smart meters, communication networks, and data management systems that enables two-way communication between utilities and customers.
Smart meters are electronic measurement devices used by utilities to communicate information for billing customers and operating their electric systems. This paper presents the hardware design of a smart meter. Sensing and circuit protection circuits are included in the design of the smart meter in which resistors are naturally a fundamental part of the electronic design. Smart meters provides a route for energy savings, real-time pricing, automated data collection and eliminating human errors due to manual readings which would ultimately reduce labour costs, diagnosis and instantaneous fault detection. This allows for predictive maintenance resulting in a more efficient and reliable distribution network.
Optimal Operating Performances of Wireless Protocols for Intelligent Sensors ...chokrio
The systems based on intelligent sensors are currently expanding, due to theirs functions and theirs performances of intelligence: transmitting and receiving data in real-time, computation and processing algorithms, metrology remote, diagnostics, automation and storage measurements…The radio frequency wireless communication with its multitude offers a better solution for data traffic in this kind of systems. The mains objectives of this paper is to present a solution of the problem related to the selection criteria of a better wireless communication technology face up to the constraints imposed by the intended application and the evaluation of its key features. The comparison between the different wire-less technologies (Wi-Fi, Wi-Max, UWB, Bluetooth, ZigBee, ZigBeeIP, GSM/GPRS) focuses on their performance which depends on the areas of utilization. Furthermore, it shows the limits of their characteristics. Study findings can be used by the developers/ engineers to deduce the optimal mode to integrate and to operate a system that guarantees quality of communication, minimizing energy consumption, reducing the implementation cost and avoiding time con-straints.
Efficiency Evaluation Metrics for Wireless Intelligent Sensors Applicationschokrio
The metrology field has been progressed with the
appearance of the wireless intelligent sensor systems providing more capabilities such as signal processing, remote multisensing fusion etc. This kind of devices is rapidly making their way into medical and industrial monitoring, collision avoidance, traffic control, automotive and others applications. However, numerous design challenges for wireless intelligent sensors systems are imposed to overcome the physical limitations in data traffic, such as system noise, real time communication,
signal attenuation, response dynamics, power consumption, and effective conversion rates etc, especially for applications requiring specific performances. This paper analyzes the performance metrics of the mentioned sensing devices systems which stands for superior measurement, more accuracy and reliability. Study findings prescribe researchers, developers/ engineers and users to realizing an optimal sensing motes design strategy that offers operational advantages which can offer cost-effective solutions for an application.
Wearable sensor network for lower limb angle estimation in robotics applicationsTELKOMNIKA JOURNAL
In human-robot interaction, sensors are relevant in guaranteeing stability and high performance in real-time applications. Nonetheless, accuracy and portable sensors for robots usually have high costs and little flexibility to process signals with free software. Therefore, we propose a wearable sensor network to measure lower limb angular position in human-robot interaction systems. The methodology employed to achieve the aim consisted in implementing a wireless network using low-cost devices, verifying design requirements, and making a validation via a proof of concept. The requirements to design the network include low loss of information, real-time communication, and sensor fusion to estimate the angular position using a gyroscope and accelerometer. Hence, the sensor network developed has a client-server architecture based on ESP8266 microcontrollers. In addition, this network uses the standard 802.11 b/g/n to transmit angular velocity and acceleration measures. Furthermore, we implement the user datagram protocol (UDP) protocol to operate in real-time with a sample time of 10 ms. Finally, we implement a proof of concept to show the system’s effectiveness. Thus, we use the Kalman filter to estimate the angular position of the foot, shin, thigh, and hip. Results indicate that the implemented sensor network is suitable for real-time robotic applications.
Smart systems aimed at detecting the fall of a person have increased significantly due to recent technological
advances and availability of modular electronics. This work presents the use of em-bedded accelerometer and gyroscope in mobile
phones to accurately detect and classify the type of fall a person is experiencing before suffering an impact. Early classification of
fall type helps in optimizing the algorithm of the fall detection. User acceptance, feasibility and the limitations in the accuracy of
the existing devices have also been considered in this study. High efficiency and low power approaches were emphasized with
wireless capability that enhanced the system per-formance for variety of applications. There is a need of reducing the time for
analyzing the smart algorithms designed. It is also emphasized that this application will be a good platform that can be used to test
various algorithms and multiple sensors at a time with ease and obtain data analysis in a short period
Hand Motion Gestures For Mobile Communication Based On Inertial Sensors For O...IJERA Editor
This project presents system based on inertial sensors and gesture recognition algorithm for SMS or calling for old age people. Users hold the device to make hand gestures with their preferred handheld style. Hand motions generate inertial signals, which are wirelessly transmitted to a computer for recognition. Here DTW recognition algorithm is used for recognition of hand gestures. Zigbee is used at the transmission section of inertial device to transmit sensor values and at the receiver section of PC to receive values. Recognized gesture is send to the microcontroller for further processing which gives AT commands to GSM to selects the SMS or calling option to the person. GSM model is used for the SMS or calling. An accelerometer-based gestures recognition systems that uses only a single 3-axis accelerometer. 3-axis accelerometer recognizes gestures, where gestures here are hand movements. DTW algorithm is used in this project for recognition. The proposed DTW-based recognition algorithm includes the procedures of inertial signal acquisition, motion detection, template selection, and recognition. Here „a‟, „b‟, „c‟, „d‟, „e‟, „f‟, „g‟, „h‟, „o‟, „v‟ letters are recognized in this system . This system can be used for the emergency calling or emergency SMS by the old age people or blind people from the home.
Abstract: Wearable sensors that measure limb movements posture, and physiological conditions can yield high resolution quantitative data .It can be used to better understand the disease and develop more effective treatments. In existing, classification algorithm is used to extract the feature from sensor, so these feature selection may lead to rapid battery depletion due to the absence of computing complexity. The notion of power aware feature selection is proposed which aims at minimizing energy consumption also it considers the energy cost of individual features that are calculated in real time. A graph model is introduced to represent correlation and computing complexity of the features. The problem is formulated using integer programming and a greedy approximation is presented to select the features in a power efficient manner. Experimental results on thirty channels of activity data collected from real subjects demonstrate that an approach can significantly reduce energy consumption of the computing module, resulting in more than 30 percent energy savings while achieving 96.7 percent classification accuracy.
A SURVEY OF ENERGY-EFFICIENT COMMUNICATION PROTOCOLS IN WSNIAEME Publication
Wireless sensor networks are harshly restricted by storage capacity, energy and computing power. Wireless Sensor Networks have acquired a lot of attention by research community, manufacturer as well as actual users for monitoring remote trades and how to gather data in different environment. The wireless sensor nodes are especially battery powered devices having life can be extended for some times while long lasting and reliable for maintaining consumption of energy and network lifetime while designs applications and protocols. So it is essential to design effective and energy efficient protocol in order to enhance the network lifetime. In this paper we present the study of different energy efficient communication protocols of Wireless Sensor Networks (WSNs).Then some of the communication protocols which are widely used in WSNs to improve network performance are also discussed advantages and disadvantages of each protocols.
Checkpointing and Rollback Recovery Algorithms for Fault Tolerance in MANETs:...Eswar Publications
Mobile Ad Hoc Networks (MANETs) are emerging as a major technology in mobile computing. A MANET is a collection of mobile devices or nodes that communicate with each other using wireless links without availability of any static infrastructure or centralized control. A node in such a network should be fault tolerable and failure free execution of processes on the network nodes is vital. In order to make devices fault tolerant checkpoint based recovery technique can be used. Checkpointing is a technique that can be used to make device or node fault tolerant and reduce the recovery time in case of failure. It takes the snapshot of current application state of process and stores it in some memory area and then using it to resume the computation from current checkpoint instead of resuming it from the beginning. Some limitations of MANETs such as mobility, dynamic topology,
limited bandwidth of channel, limited storage space and power restrictions makes checkpointing as a major challenge in mobile ad hoc networks. This paper presents the survey of some existing algorithms, which have been proposed for making MANETs fault tolerant and implementing or deploying checkpointing in mobile ad hoc network.
Real-time human activity recognition from smart phone using linear support ve...TELKOMNIKA JOURNAL
The recognition of human activity (HAR) the use of cell devices embedded in its exten sively disbursed sensors affords guidance, instructions, and take care of citizens of smart cities. Consequently, it became essential to analyze human every day sports. To examine statistical models of human conduct, synthetic intelligence strategies such as machine studying can be used. Many studies have not studied type overall performance in real-time due to statistics series. To remedy this trouble, this paper proposes a structure primarily based on open supply technology and platforms consisting of Apache Kafka, for messages to flow over the internet, method them and provide shape for existing facts in real-time and formulates the trouble of identifying human pastime by using a smartphone tool as a type hassle using statistics collection by telephone sensors. The proposed version is skilled by some machine learning algorithms. The algorithm that has proven superior and quality results helps a linear vector machines.
Mobile Coordinated Wireless Sensor Networks with Fault-Tolerance for Structur...rahulmonikasharma
This paper introduces the Structural health monitoring (SHM) using Mobile Access Coordinated Wireless Sensor Network (MA-WSN) energy - efficient scheme for time sensitive applications. In Sensor Networks with Mobile Access points (SENMA), the mobile access points (MAs) traverse the network to collect information directly from each sensor. To organize disjoint nodes forming into small groups in high energy level, sensors are used in clustering methods, where each cluster has a coordinator referred as Cluster Head (CH). Early detection of failure CHs will reduce the data loss and provide possible minimal recovery efforts. Failure CHs are unable to connect to automatically organized another cluster head of access node and this access node collect and transfer data directly. So a new technique has been proposed in this paper which improves the life time of sensor nodes or it minimizes the maximum energy used by the sensor for transmitting data to the base station and also ensures monitoring quality. The performance of the proposed placement method has been tested by NS2 simulations and the result is compared with the sensor placement using effective independence method. This method obtains almost the same placement quality as that provided by using effective independence method, but with improvement in system life time.
Content-Based Image Retrieval (CBIR) systems have been used for the searching of relevant images in various research areas. In CBIR systems features such as shape, texture and color are used. The extraction of features is the main step on which the retrieval results depend. Color features in CBIR are used as in the color histogram, color moments, conventional color correlogram and color histogram. Color space selection is used to represent the information of color of the pixels of the query image. The shape is the basic characteristic of segmented regions of an image. Different methods are introduced for better retrieval using different shape representation techniques; earlier the global shape representations were used but with time moved towards local shape representations. The local shape is more related to the expressing of result instead of the method. Local shape features may be derived from the texture properties and the color derivatives. Texture features have been used for images of documents, segmentation-based recognition,and satellite images. Texture features are used in different CBIR systems along with color, shape, geometrical structure and sift features.
The cyber attacks have become most prevalent in the past few years. During this time, attackers have discovered new vulnerabilities to carry out malicious activities on the internet. Both the clients and the servers have been victimized by the attackers. Clickjacking is one of the attacks that have been adopted by the attackers to deceive the innocuous internet users to initiate some action. Clickjacking attack exploits one of the vulnerabilities existing in the web applications. This attack uses a technique that allows cross domain attacks with the help of userinitiated clicks and performs unintended actions. This paper traces out the vulnerabilities that make a website vulnerable to clickjacking attack and proposes a solution for the same.
Performance Analysis of Audio and Video Synchronization using Spreaded Code D...Eswar Publications
The audio and video synchronization plays an important role in speech recognition and multimedia communication. The audio-video sync is a quite significant problem in live video conferencing. It is due to use of various hardware components which introduces variable delay and software environments. The objective of the synchronization is used to preserve the temporal alignment between the audio and video signals. This paper proposes the audio-video synchronization using spreading codes delay measurement technique. The performance of the proposed method made on home database and achieves 99% synchronization efficiency. The audio-visual
signature technique provides a significant reduction in audio-video sync problems and the performance analysis of audio and video synchronization in an effective way. This paper also implements an audio- video synchronizer and analyses its performance in an efficient manner by synchronization efficiency, audio-video time drift and audio-video delay parameters. The simulation result is carried out using mat lab simulation tools and simulink. It is automatically estimating and correcting the timing relationship between the audio and video signals and maintaining the Quality of Service.
Due to the availability of complicated devices in industry, models for consumers at lower cost of resources are developed. Home Automation systems have been developed by several researchers. The limitations of home automation includes complexity in architecture, higher costs of the equipment, interface inflexibility. In this paper as we have proposed, the working protocol of PIC 16F72 technology is which is secure, cost efficient, flexible that leads to the development of efficient home automation systems. The system is operational to control various home appliances like fans, Bulbs, Tube light. The following paper describes about components used and working of all components connected. The home automation system makes use of Android app entitled “Home App” which gives
flexibility and easy to use GUI.
Semantically Enchanced Personalised Adaptive E-Learning for General and Dysle...Eswar Publications
E-learning plays an important role in providing required and well formed knowledge to a learner. The medium of e- learning has achieved advancement in various fields such as adaptive e-learning systems. The need for enhancing e-learning semantically can enhance the retrieval and adaptability of the learning curriculum. This paper provides a semantically enhanced module based e-learning for computer science programme on a learnercentric perspective. The learners are categorized based on their proficiency for providing personalized learning environment for users. Learning disorders on the platform of e-learning still require lots of research. Therefore, this paper also provides a personalized assessment theoretical model for alphabet learning with learning objects for
children’s who face dyslexia.
Agriculture plays an important role in the economy of our country. Over 58 percent of the rural households depend on the agriculture sector as their means of livelihood. Agriculture is one of the major contributors to Gross Domestic Product(GDP). Seeds are the soul of agriculture. This application helps in reducing the time for the researchers as well as farmers to know the seedling parameters. The application helps the farmers to know about the percentage of seedlings that will grow and it is very essential in estimating the yield of that particular crop. Manual calculation may lead to some error, to minimize that error, the developed app is used. The scientist and farmers require the app to know about the physiological seed quality parameters and to take decisions regarding their farming activities. In this article a desktop app for seed germination percentage and vigour index calculation are developed in PHP scripting language.
What happens when adaptive video streaming players compete in time-varying ba...Eswar Publications
Competition among adaptive video streaming players severely diminishes user-QoE. When players compete at a bottleneck link many do not obtain adequate resources. This imbalance eventually causes ill effects such as screen flickering and video stalling. There have been many attempts in recent years to overcome some of these problems. However, added to the competition at the bottleneck link there is also the possibility of varying network bandwidth which can make the situation even worse. This work focuses on such a situation. It evaluates current heuristic adaptive video players at a bottleneck link with time-varying bandwidth conditions. Experimental setup includes the TAPAS player and emulated network conditions. The results show PANDA outperforms FESTIVE, ELASTIC and the Conventional players.
WLI-FCM and Artificial Neural Network Based Cloud Intrusion Detection SystemEswar Publications
Security and Performance aspects of cloud computing are the major issues which have to be tended to in Cloud Computing. Intrusion is one such basic and imperative security problem for Cloud Computing. Consequently, it is essential to create an Intrusion Detection System (IDS) to detect both inside and outside assaults with high detection precision in cloud environment. In this paper, cloud intrusion detection system at hypervisor layer is developed and assesses to detect the depraved activities in cloud computing environment. The cloud intrusion detection system uses a hybrid algorithm which is a fusion of WLI- FCM clustering algorithm and Back propagation artificial Neural Network to improve the detection accuracy of the cloud intrusion detection system. The proposed system is implemented and compared with K-means and classic FCM. The DARPA’s KDD cup dataset 1999 is used for simulation. From the detailed performance analysis, it is clear that the proposed system is able to detect the anomalies with high detection accuracy and low false alarm rate.
Spreading Trade Union Activities through Cyberspace: A Case StudyEswar Publications
This report present the outcome of an investigative research conducted to examine the modu-operandi of academic staff union of polytechnics (ASUP) YabaTech. The investigation covered the logistics and cost implication for spreading union activities among members. It was discovered that cost of management and dissemination of information to members was at high side, also logistics problem constitutes to loss of information in transit hence cut away some members from union activities. To curtail the problem identified, we proposed the
design of secure and dynamic website for spreading union activities among members and public. The proposed system was implemented using HTML5 technology, interface frameworks like Bootstrap and j query which enables the responsive feature of the application interface. The backend was designed using PHPMYSQL. It was discovered from the evaluation of the new system that cost of managing information has reduced considerably, and logistic problems identified in the old system has become a forgotten issue.
Identifying an Appropriate Model for Information Systems Integration in the O...Eswar Publications
Nowadays organizations are using information systems for optimizing processes in order to increase coordination and interoperability across the organizations. Since Oil and Gas Industry is one of the large industries in whole of the world, there is a need to compatibility of its Information Systems (IS) which consists three categories of systems: Field IS, Plant IS and Enterprise IS to create interoperability and approach the
optimizing processes as its result. In this paper we introduce the different models of information systems integration, identify the types of information systems that are using in the upstream and downstream sectors of petroleum industry, and finally based on expert’s opinions will identify a suitable model for information systems integration in this industry.
Link-and Node-Disjoint Evaluation of the Ad Hoc on Demand Multi-path Distance...Eswar Publications
This work illustrates the AOMDV routing protocol. Its ancestor, the AODV routing protocol is also described. This tutorial demonstrates how forward and reverse paths are created by the AOMDV routing protocol. Loop free paths formulation is described, together with node and link disjoint paths. Finally, the performance of the AOMDV routing protocol is investigated along link and node disjoint paths. The WSN with the AOMDV routing protocol using link disjoint paths is better than the WSN with the AOMDV routing protocol using node disjoint paths for energy consumption.
Bridging Centrality: Identifying Bridging Nodes in Transportation NetworkEswar Publications
To identify the importance of node of a network, several centralities are used. Majority of these centrality measures are dominated by components' degree due to their nature of looking at networks’ topology. We propose a centrality to identification model, bridging centrality, based on information flow and topological aspects. We apply bridging centrality on real world networks including the transportation network and show that the nodes distinguished by bridging centrality are well located on the connecting positions between highly connected regions. Bridging centrality can discriminate bridging nodes, the nodes with more information flowed through them and locations between highly connected regions, while other centrality measures cannot.
Now a days we are living in an era of Information Technology where each and every person has to become IT incumbent either intentionally or unintentionally. Technology plays a vital role in our day to day life since last few decades and somehow we all are depending on it in order to obtain maximum benefit and comfort. This new era equipped with latest advents of technology, enlightening world in the form of Internet of Things (IoT). Internet of things is such a specified and dignified domain which leads us to the real world scenarios where each object can perform some task while communicating with some other objects. The world with full of devices, sensors and other objects which will communicate and make human life far better and easier than ever. This paper provides an overview of current research work on IoT in terms of architecture, a technology used and applications. It also highlights all the issues related to technologies used for IoT, after the literature review of research work. The main purpose of this survey is to provide all the latest technologies, their corresponding
trends and details in the field of IoT in systematic manner. It will be helpful for further research.
Automatic Monitoring of Soil Moisture and Controlling of Irrigation SystemEswar Publications
In past couple of decades, there is immediate growth in field of agricultural technology. Utilization of proper method of irrigation by drip is very reasonable and proficient. A various drip irrigation methods have been proposed, but they have been found to be very luxurious and dense to use. The farmer has to maintain watch on irrigation schedule in the conventional drip irrigation system, which is different for different types of crops. In remotely monitored embedded system for irrigation purposes have become a new essential for farmer to accumulate his energy, time and money and will take place only when there will be requirement of water. In this approach, the soil test for chemical constituents, water content, and salinity and fertilizer requirement data collected by wireless and processed for better drip irrigation plan. This paper reviews different monitoring systems and proposes an automatic monitoring system model using Wireless Sensor Network (WSN) which helps the farmer to improve the yield.
Multi- Level Data Security Model for Big Data on Public Cloud: A New ModelEswar Publications
With the advent of cloud computing the big data has emerged as a very crucial technology. The certain type of cloud provides the consumers with the free services like storage, computational power etc. This paper is intended to make use of infrastructure as a service where the storage service from the public cloud providers is going to leveraged by an individual or organization. The paper will emphasize the model which can be used by anyone without any cost. They can store the confidential data without any type of security issue, as the data will be altered
in such a way that it cannot be understood by the intruder if any. Not only that but the user can retrieve back the original data within no time. The proposed security model is going to effectively and efficiently provide a robust security while data is on cloud infrastructure as well as when data is getting migrated towards cloud infrastructure or vice versa.
Impact of Technology on E-Banking; Cameroon PerspectivesEswar Publications
The financial services industry is experiencing rapid changes in services delivery and channels usage, and financial companies and users of financial services are looking at new technologies as they emerge and deciding whether or not to embrace them and the new opportunities to save and manage enormous time, cost and stress.
There is no doubt about the favourable and manifold impact of technology on e-banking as pictured in this review paper, almost all banks are with the least and most access e-banking Technological equipments like ATMs and Cards. On the other Hand cheap and readily available technology has opened a favourable competition in ebanking services business with a lot of wide range competitors competing with Commercial Banks in Cameroon in providing digital financial services.
Classification Algorithms with Attribute Selection: an evaluation study using...Eswar Publications
Attribute or feature selection plays an important role in the process of data mining. In general the data set contains more number of attributes. But in the process of effective classification not all attributes are relevant.
Attribute selection is a technique used to extract the ranking of attributes. Therefore, this paper presents a comparative evaluation study of classification algorithms before and after attribute selection using Waikato Environment for Knowledge Analysis (WEKA). The evaluation study concludes that the performance metrics of the classification algorithm, improves after performing attribute selection. This will reduce the work of processing irrelevant attributes.
Mining Frequent Patterns and Associations from the Smart meters using Bayesia...Eswar Publications
In today’s world migration of people from rural areas to urban areas is quite common. Health care services are one of the most challenging aspect that is must require to the people with abnormal health. Advancements in the technologies lead to build the smart homes, which contains various sensor or smart meter devices to automate the process of other electronic device. Additionally these smart meters can be able to capture the daily activities of the patients and also monitor the health conditions of the patients by mining the frequent patterns and
association rules generated from the smart meters. In this work we proposed a model that is able to monitor the activities of the patients in home and can send the daily activities to the corresponding doctor. We can extract the frequent patterns and association rules from the log data and can predict the health conditions of the patients and can give the suggestions according to the prediction. Our work is divided in to three stages. Firstly, we used to record the daily activities of the patient using a specific time period at three regular intervals. Secondly we applied the frequent pattern growth for extracting the association rules from the log file. Finally, we applied k means clustering for the input and applied Bayesian network model to predict the health behavior of the patient and precautions will be given accordingly.
Network as a Service Model in Cloud Authentication by HMAC AlgorithmEswar Publications
Resource pooling on internet-based accessing on use as pay environmental technology and ruled in IT field is the
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A Survey on Mobile Sensing Technology and its Platform
1. Int. J. Advanced Networking and Applications
Volume: 09 Issue: 04 Pages: 3523-3536(2018) ISSN: 0975-0290
3523
A Survey on Mobile Sensing Technology and its
Platform
Manpreet Kaur
Department of Computer Science, Mata Gujri College, Fatehgarh Sahib
Email: manpreetkaur.mgc@gmail.com
Lovejeet Singh
Training & Placement Cell, Baba Banda Singh Bahadur Engg College, Fatehgarh Sahib
Email: lovejeet99@gmail.com
-------------------------------------------------------------------ABSTRACT---------------------------------------------------------------
Now a days, mobile networks is increasingly becoming important part of everyday life due which there is a
rapid evolution mobile phone. Mobile phone comes into a powerful sensing platform. There are many scientists
which are engaged in the emerging field of mobile sensing from a variety of existing communities, such as, mobile
systems, machine learning and human computer interaction. The research and development in this field is rapid
resulting in indispensable carry-on of daily life. But with the increase in development, data integrity and security
has also become an important factor to take into consideration. Importantly, today’s smart phones are
programmable and come with a growing set of cheap powerful embedded sensors, which are enabling the
emergence of personal, group, and community scale sensing applications. The mobile sensing platform
provides many facilities like, it helps to communicate to Wireless sensor networks through a mobile sensor
router Which attached to a users mobile phone. It helps in analysis of the sensed data which is derived from
networks by cooperating with sensor middle- ware on a remote server to capture ones contexts. It also helps in
providing context aware services for mobile users of cellular telephones. In this paper, we will discuss about
different mobile sensing platforms that provides context-aware services for mobile users by accessing the
surrounding wireless sensor networks. Along with this, we will briefly discuss some of the emerging sensing
paradigms.
Keywords – Mobile Sensing, Wireless Sensing, Mobile Sensing platform, applications, challenges
--------------------------------------------------------------------------------------------------------------------------------------------------
Date of Submission: Jan 29, 2018 Date of Acceptance: Feb 12, 2018
--------------------------------------------------------------------------------------------------------------------------------------------------
I. INTRODUCTION
Mobile Wireless networks are the networks that are
increasingly used by the civilians and military sectors for
the purpose of environmental monitoring as well as
tracking. There are many more purposes of the wireless
networks that include seismic monitoring, pollution
monitoring, disaster management etc. In the wireless
sensor networks the sensor nodes are mobile in nature as
the name suggests. The wireless sensor networks are the
upcoming research field that attracts most of the
researchers. The mobile wireless sensor networks are quite
versatile in nature in comparison to that of static wireless
sensor networks especially in the scenario where the
topology keeps on changing.
In Today’s life, smart phones which are wireless sensor
net-works not only works as communication mobile and
key computing device but it has many embedded sensors
also such as accelerator, gyroscope, GPS, microphone,
digital compass and camera. This all changes are because
of important technological advances. First reason is
accessibility of cheap embedded sensors which is included
in phones so that it can drive the user experience. Second
reason is that the smart phones are open and
programmable these days. Smart phones, comes with
computing and communication process that offers a low-
barrier of entry for third party programmers. Now, each
phone also offers an app store which helps to allow the
developers to deliver the new applications to all over the
world. It also transforms the deployment of new
applications and allows the collection and analysis of data
on the basis of what was previously possible. In this, the
mobile computing feature which introduced few years ago,
enables the developers to deploy the mobile services to
back-end servers, which provides unprecedented scale and
additional resources for computing on collections of large-
scale sensor data and supporting advanced features. This
shows that the advantages in the mobile sensing enable the
users to track emotional state, or even compute the time
span they have spent queuing in retail stores. [1] Now, lets
come onto the comparison between the mobile and static
wireless sensing networks: There are many advantages of
the mobile wireless sensing networks over the static ones
and that includes:
• Improved coverage area
• Enhanced target tracking
• Superior and wide channel capacity
Fig1. Sensor network node and gateway
2. Int. J. Advanced Networking and Applications
Volume: 09 Issue: 04 Pages: 3523-3536(2018) ISSN: 0975-0290
3524
A sensor network is constructed with number of nodes
which can be on the scale of tens of sensor to ten thousand
of sensors for complex network. Sensors are connected to
nodes and some-time each node can be connected to
multiple sensors. Sensor node consist an electronic circuit
and interfacing devices such as receiver antenna,
transmitting antenna, microcontroller for data processing
and a small power source. Poser source or battery
generally having as much as possible long battery life thus
node failure issue will not occur. The sensor network is
built with nodes that can be available in variety of size
ranging from a size of the cricket ball to a size of a pen
point. But the small size node has not been developed yet
or it is only under the research topic.
Sensors are classified into variety of costs according to its
use and its architecture. The complex and small sensors
are usually coming in higher cost. Sensor cost is also
depending upon its computational efficiency, memory
capacity transmission speed, transmission range and
channel bandwidth. Scientists from the research area of
engineering and science are working on the health
monitoring of engineering machineries and equipment.
This work consists the continuous verification of the
structural health of the devices and hence the system
employed can be called as the (SHM) structural health
monitoring system. In various cases, SHM is used for
structural vibration monitoring and analysis. The process
of SHM comprises of observing the device or system with
time by the use of various measurements from an stack of
sensors that provides the dynamic response .
A Wireless sensor network can be made with several
numbers of nodes which can be further used to handle
environmental as well as physical conditions for example
pressure, light, heat, temperature and aid to transmit detail
information via communication channel to a main base
station. The main aim on which the mobile sensing focus
on are the three main key issues: Accuracy, Feasibility,
Scalability. There are many mobile applications which
benefit the brand-mobile sensing capabilities in different
time span and different areas from healthcare to homecare,
from safety to environmental and smart grids monitoring.
There are several issues which needs to be resolved in
designing mobile sensing applications and supports to the
mobile market, mainly because there are still several open
issues under technical aspects that affect the mobile
sensing practice. Firstly, There are currently available
solutions which are considered vertical ones and make it
difficult to reuse specific components. Secondly, by
concluding the user activity is a CPU-intensive task which
requires retrieving raw data from sensors, pre-processing
them to extract some synthetic assumption of sampled
signal periods and using these particular periods to
evaluate and infer actual activity.
II. OVERVIEW OF SENSOR NETWORKS
This section is devoted in reviewing the past work and
research work done in the field of sensor networks. Mobile
sensor network is an emerging topic in the field of
communication and computing and hence there are
numbers of research papers available worldwide. Here
some reviews are outlined for understanding ongoing
research and present technology. Huiyu Zhouet.al
introduced a human arm development 2 following
framework that need been formed should help the
restoration about stroke patients. A versatile 3 hub inertial
sensor will be used to catch those developments of the arm
over space 3D progressively. The following calculation
may be in light of A kinematics model that takes under
account the upper and down lower arm. On enhance
precision Furthermore consistency, A separated more level
weighted square method [3] might have been embraced.
Computed trajectory of development relative of the
utilization of a observing framework Qualisys, which will
be economically accessible. [16]
Huiyu Zhou et.al displayed an ongoing screening
framework for measuring mankind’s upper limbs
developments to post-stroke restoration. It may be
dependent upon a propelled inertial sensor MT9 that is
economically accessible. Mankind’s upper limb movement
is demonstrated by a kinematic chain clinched alongside
which there would six joint variables should a chance to
be considered: three for the shoulders and the others to
those for elbow. Kinematic models are fabricated to
consider human upper appendage movement in three-
dimension, In view of estimations for the wrist movement
[4]. A simulated annealing based optimization technique is
received to decrease errors clinched alongside estimations.
Nuri F. Ince, et.al depicted a home checking framework on
assistance patients with traumatic mind injury, which is
cheap in cost and meant to plan every day exercises. The
framework comprises of firmed and also transportable
remote sensors, including motion, pressure, door, flow,
accelerometer, magnetometer, temperature, light and
furthermore sound sensors [1]. Those sensors furnish data
that can be used to spot those patients identifying the
action and interruptions that might forestall the total
movements in an auspicious way. K S Low et.al. displayed
a paper looking into A Wearable remote sensor system for
Human Limbs Monitoring. In this model, they need to
control the development of the human body in place with
gatherings give suitable data to provisions for example,
rehabilitation, virtual reality, sports science, and so forth
throughout this way. Most of the existing inertial /
attractive frameworks used to track physique
developments today accompany a wiring confining those
common developments. In this article, A portable remote
sensor organize utilizing accelerometers have been created
should control human development. The remote
characteristic about this framework permits unhindered
development and enhances the usability of the framework.
Furthermore, the utilization for light sensors nodes, it is
simple for connection with limbs What’s more introduce
little boundary will characteristic developments. The
system developed is really movable and inexpensive as
pointed out to visual monitoring sophisticated systems
3. Int. J. Advanced Networking and Applications
Volume: 09 Issue: 04 Pages: 3523-3536(2018) ISSN: 0975-0290
3525
using a number of cameras. [2] [18] The less power usage
of sensor nodes also allows the long-term monitoring.
JurgenSiecket.al. exhibited a paper on data systems -
sensor systems, visualization and virtual reality and
furthermore depicts Different specialized foul parts for
versatile mobile devices, sensor networks, web
technologies, media applications, benefits adjusted of the
setting to frameworks majority of the data to museums
created in the university of the writer [5]. It depicts those
principle Characteristics of the technology and system
frameworks are reviewed, demonstrating distinctive
routines of utilization of majority of the data systems,
sensor networks and multimedia, and in addition
examination under future possibility. [17] Antonio
PadilhaLanari Bo et.al. displayed a model with respect to
Joint point estimation Previously, restoration with inertial
Sensors and its coordination for Kinect. This article
investigates those joined utilization of inertial sensors and
the Kinect for requisition with robotics restoration and
technical aids. Provided for the Shortcomings of each
system, another strategy dependent upon those Kalman
filter might have been created so as to perform on the web
alignment of sensor errors naturally at whatever point
Kinect measures are accessible [20]. The method was
evaluated in experiments with healthy subjects performing
various tasks DOF. In the figure 2.1 a white ellipse
showed a defined error initiated from the depth-based
skeleton reconstruction. Also, it can be seen that a chair is
being identified as the part of left leg [6]. Zhi Li et al.
Introduced an article on a Gait Recognition System
designed for Rehabilitation Based on the Wearable Micro
Inertial Measurement Unit. Gait Recognition of versatile
MEMS -based inertial sensors travel to medicinal
restoration for the physical Activities Healthcare System
(PATHS) may be recommended herein.
Fig. 2. Estimation of 3D joint positions using Kinect
They use energy waves as compared with the
characteristics of model support vector machine algorithm
(SVM) for discriminating operation of recognition by
other types of movement. [7]. This system has been
indicated skilled about recognizing walk the path of the
different standard physical action through our test
validation.
H.P. Bruckner et. al. exhibited an article on Evaluation of
Inertial Sensor Fusion Algorithms in Grasping Tasks
Using Real Input Data and described the probe melting is
a step of calculating important to acquire information in a
reliable guide to the inertial sensors. These sensors would
be very pleasing, for a mobile capture human movement if
you need to practice sport and rehabilitation. Business
inertial sensors with little type factors and low power
utilization might use to catch without any obstruction.
There are fewer basic systems for figuring those
orientation data of raw sensor data. This record gives a
review for computational exertion and more precision time
permits mix algorithms, calculations perception vectors
Also Kalman channel calculations to fusing inertial
sensors. Those sensor information is compared with an
arrangement optical movement catch [8]. The requisition
will be acknowledged the captured for arm developments
during the writing tasks stroke restoration. Thus, the
assessment of those calculations are is based on those data
information clinched in reality which corresponds.
K. Lee et. al proposed a model on A Pilot Study of
Activity Analization on Rehabilitation Exercise of Frozen
Shoulder by the use of Wireless Inertial Sensor Node. This
study establishes a network wire without sensors (WSN)
nodes inertial sensors (ISN) that make up the unit micro-
controller, radio Zig Bee rate compatible with the chip, tri-
axial accelerometer, gyroscope two axial shafts single
gyroscope and plan F inverted type antenna on a printed
circuit board with four layers a size 40mm x 37 mm x 2
mm. Two wirelesses ISN would altered on the arm and
wrist with measure the execution for frozen shoulder
restoration. Those measured information is transmitted
remotely to A build hub clinched alongside which an
arrangement dependent upon MATLAB system will be
outlined on recuperate the packets, bundle analysis, and
distinguish from motion data in view of Artificial neural
system (ANN) simulated calculation. Six restoration
activities to solidified shoulder are measured for two hubs
of the wrist and arm. Accelerations to three axes and the
state vector point subordinate 4-tuple Concerning
illustration as engine characteristic recognition algorithm
utilized [9]. Concerning illustration, a result, five of the six
activities need aid distinguished effectively for precision
rate about 85 on 90%, yet the intricate (for example, the
revolution of the winding conducting) arrived at best 60%.
Lu Baiet.al. presented a paper on Application of Low Cost
Inertial Sensors to Human Motion Analysis. In this article,
the use of inertia sensors at low cost for the analysis of
human movement occurs. The XsensMTx sensor may be
utilized as an illustration and standard for correlation for
those developments about Sony and Nintendo's Wii (Wii
remote with WiiMotionPlus).
Beginning of tests were conveyed out Toward those
measuring extend about limb development and also,
furthermore position predominant following.[14]
4. Int. J. Advanced Networking and Applications
Volume: 09 Issue: 04 Pages: 3523-3536(2018) ISSN: 0975-0290
3526
Beginning estimations utilizing those kinematic
demonstrating demonstrates that MTX, static point
exactness would 0. 3 , could measure A development
about 10 cm with a slip for under 0. 05 cm [10]. Inertial
sensors in low expense need aid skilled from claiming
measuring those reach about movement for elbow flexion
with an ordinary reach will be 150 with an error not
surpassing 1 and Sony development can take after those
developments for 10 cm for an error of slightest 0. 2 cm.
To track the position of the system should include triaxial
accelerometers, magnetometers and gyroscopes.
Hans subside bruckner et. Al. Exhibited A paper
ahead Mobile and remote inertial sensor stage to
movement catching on stroke restoration Sessions. In
this article, A sage of inertial sensors would have
utilized within provisions for example, examining
preparation sessions Previously, Sports and
rehabilitation, furthermore on permit unhindered
movement catch. Ascertaining dependable estimation
obliged introduction in light of the inertial sensor crude
information will be A requesting errand count.
Exceedingly customize and compact registering platforms
low energy Hence obliges low-level correspondence
conventions autonomous of the stage and connectivity
[11]. Hans Peter Bruckner et. al. Presented a paper on
Mobile and Wireless Inertial Sensor Platform for Motion
Capturing in stroke Rehabilitation Sessions. [15][16] In
this article a platform of inertial sensors is used in
applications. Such as analyzing training sessions in sports
and rehabilitation, and to allow unrestricted motion
capture. Calculating reliable estimation needs orientation
based on the inertial sensor. RAW data is most demanding
task calculation. Highly personalized and portable
computing platforms low power therefore requires low-
level communication protocols independent of the
platform and connectivity [11].
In the area of Rehabilitation Applications Lee Morton et.
al. exhibited a article for Inertial Sensors on Pose
Calibrations. It depicts those acceptance methods, pose
alignment are performed utilizing a optical movement
catch framework. The exactness of the alignment poses
tested over Different useful varieties of the technique, they
quantify those estimated errors that may be characterized
by changes in the application and choice of the installation
used [12]. Finally, they settle on proposals on how will
actualize all an establishment of improved framework.
Lee, Wang Wei, etal . presented a paper on A Smartphone-
Centric System meant for the detection of Range of
Motion estimation in Stroke Patients. This paper presents
the implementation and design of a smart phone based on
the evaluation system for automated engine at low cost
using off-the -Shelf inertial sensors. The system was used
to automate part of the upper end Fugl -Meyer assessment
(FMA), which is widely used to quantify the motor
deficits in stroke survivors. [13] The system has the ability
to automatically identify the evaluation point was carried
out, and calculating the joint of respective maximum angle
reached. Preliminary results shows the ability of this
system to obtain measurements comparable results
goniometer while dramatically reduces the time needed to
conduct assessments.
III. TYPES OF SENSOR NETWORK
Based on the environmental requirements, the decision
regarding the network types is taken so that these can be
done underwater, underground, on the ground, and so on.
Different types of wireless sensor networks include:
Deployment of wireless sensor network for particular
operation is depends upon the environmental
circumstances. The kind of network can be selected by
considering the different physical condition and hence the
varieties of WSNs are available which are as follows:
Multimedia WSNs
Underground WSNs
Terrestrial WSNs
Mobile WSNs
Under water WSNs
A. Multimedia WSNs
Sensors, which are responsible to capture audio, video or
image information are comes under the class of
multimedia sensors. It consist of major four components:
wireless multi-media node, wireless cluster head, wireless
network node and base station. flow of information is
higher at the sensor node as compared to base station. The
main function of the upper part of the network is on the
information processing and the focus of the lower part is
on the wireless network communication. The Sensor nodes
are connected to a base station and their associate nodes
distributed over the field which is under monitoring. These
nodes comprise with audio, video and image sensors such
as small cameras and microphone. They are highly
sensitive sensors connected to advanced processor for
multimedia processing. Multimedia WSNs needs higher
bandwidth for communication this tends to increased
power consumption. Communication nodes comprises
with high definition multimedia processing and
communication circuitry. It also consists advanced
transmission and reception system.
B. Underground WSNs
Sensor cost varies according to the environment wherein
wireless sensor is going to be installed. For adverse and
harsh environment, such as abnormal temperature or
pressure conditions, safety and precaution of sensors
become main concern for engineers. In most of the cases,
a costlier protection shield for sensor is needed which
causes increased deployment cost. Underground wireless
sensors are also suffering from this issue. It is expensive to
deploy underground wireless sensor network in compare
to other normal WSNs deployment. Underground WSNs
sensor nodes placed deep inside the ground surface and
properly concealed from the upper layer. Thus, it requires
supplementary sink nodes located above the ground
5. Int. J. Advanced Networking and Applications
Volume: 09 Issue: 04 Pages: 3523-3536(2018) ISSN: 0975-0290
3527
surface to deliver the information from the underground
sensors to base station.
C. Terrestrial WSNs
Terrestrial WSNs are able to communicate effectively base
stations, and are composed of hundreds of thousands of
wireless sensors nodes deployed either unstructured (ad
hoc) or structured (pre - planned). In structured mode, the
sensor nodes are randomly distributed in the target area
that is dropped from a fixed plan. The method provided
pre- or structured considers optimal placement, the
placement of the grid, and models of 2D, 3D investment.
In this WSN, whether the battery is equipped with solar
cells as a source of secondary energy even then the battery
power is limited. The WSNs energy saving is
accomplished by using minimizing delays, low duty cycle
operations and optimal routing, and so on. Energy
management and power saving can be gained by
employing optimal routing, minimum duty cycle and
reduced delay. [5]
In a traditional sensor network, the data is being gathered
by individual sensors and after the data collection it is
send to fusion nodes for processing. The bandwidth of the
wireless sensor network is lower than the wired network.
In the mobile-agent based DSN, the data tray at each local
site or sensor. During the integration, the fusion code is
moved to data. The communication bandwidth can be
reduced if the agent is smaller in size than the data. If the
sensors are increased in the it should not alter the network
and it should be more scalable It has the capability to
adapt the network load and programming of the agents can
be done to carry specific fusion processes.
D. Mobile WSNs
Mobile WSNs network made up specially arranged sensor
nodes, which are having the ability to rearrange
themselves in accordance to the feedback of environment.
The flexibility and capability of the system increases with
the installation of mobility to the nods. These types of
sensors can interact with their surrounding environment
and can sense minor change in the environmental
conditions. Mobile wireless sensors have ability to process
the acquired signal rather they can compute it for change
in network condition itself. These networks are
advantageous in case of transmission capacity, energy
efficiency and signal coverage in compared to other static
networks.
E. Under water WSNs
A huge part of earths surface is covered with water. This
water area comes under the path of the transportation
system. It involves above the water transportation along
with under-water transportation. Under water vehicle
inbuilt with number of wired and wireless sensors. In this
case, wireless sensors suffer from many undesirable
environment conditions. A main issue of underwater
WSNs system is communication channel bandwidth. it
also suffers with path delay and channel frequency related
issues. The system which is going to be installed for a long
time is also affected by lack of power supply inside the
water. It needs sufficient battery backup because
recharging of battery is almost impossible if it gets
discharged.
IV. ARCHITECTURE OF SENSOR NETWORK
NODE
The architectural layout of wireless sensor nodes follow
OSI model. From the seven layers of OSI model , we need
only five layers: application layer, transport layer, network
layer, data link layer and physical layer in sensor network .
Along with this there are three core layer which are added
and give functionality to all layers of OSI model. The
three layers or cross planes are: mobility management
plane, task management plane and power management
plane. The function of these layers includes to manage the
network. They also bind the sensors work together to
increase the overall efficiency of the network. There are
many network layer architecture models has been defined
in the research. Akkaya and Younis [51] over looked the
architectural field of WSN and grouped them to
hierarchical, data-centric, location-based network and QoS
flow. 5
Fig. 3. Architecture Of WSN
Yang and Mohammed [52] define the architectural groups
same as Akkaya and Younis did but add additional
architectures to each group. Singh et al. [53] added three
architectural groups: multi-path- based architectures,
mobility-based architectures and heterogeneity-based
architectures. Finally, Yick et al. [54] add anchor location
service (ALS) and geographical routing to the location-
based architectures and security routing (SecRout) plus
secure cell relay (SCR) to the hierarchical group. Almir
and Hwa also surveyed already existed network
architectures and they classify and group the architectures
as
Data-centric architectures
Hierarchical architectures
Location-based architectures
Mobility-based architectures
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Quality of Service (QoS) architectures
Other Architectures they define are: Network flow
architectures, Multipath-based architectures,
Heterogeneity-based architecture. Development of sensor
is done by considering the fundamental needs of user as
well as researchers. Wearable wireless/mobile sensor
networks are one of latest invocation in the area of sensor
nodes. These kind of wearable sensor nodes are used in
healthcare monitoring and other activities. Here, we are
discussing the basic architecture if wearable mobile sensor
node. The components used in the architecture are as
following: Other Architectures they define are: Network
flow architectures, Multipath-based architectures,
Heterogeneity-based architecture. Development of sensor
is done by considering the basic requirements of user as
well as researchers. We have used ADXL 335 (3 axis
accelerometer) for detection of movements in the all three
direction. Basic block diagram with other interfacing
devices are shown in Figure. In this model, we have used
3-axis accelerometer, ATMEL atmega-328p with Arduino
microprocessor and Bluetooth HC-05 are interfaced with
each other for further processing of signals. 3-axis
accelerometer
Fig. 4. Block diagram of wearable wireless sensor
gives voltage variation on its three output pins (x, y and z )
according to motion of sensor in the respective direction.
These voltage variations are fed to analog pins of
microprocessor and converted to angular data with the
help of an algorithm. Signals are now ready to transmit for
base station, wherein it will be used for different
application. Bluetooth wireless link is used to create
wireless network and it is created with the help of
Bluetooth HC-05 chip. [19]
To run this device in proper active mode, 5 v power
supplies is needed, thus we have used battery with power
rating of 2800mah and 5v. This system can transmit the
signal properly under the range of 5 to 10 meter, thus user
have to maintain his distance accordingly. Base station for
this device can be computer or handheld mobile device.
The above figures are the prior development of wireless
sensor systems which are intends to make a module for lab
testing. After certain successful hardware as well as
software testing, it gets ready to develop as in its actual
shape and size for wearable module.
A. Microcontroller
Microcontroller is a device which comprises with input
output buses, memory unit, and arithmetic and logic unit,
random access memory as well as read only memory. It is
responsible for significant computational task in the
electronic circuit. It also used to interface different circuit
components to form a proper functional device.
Microcontroller comes in various types of bit
configuration; its speed of operation varies according to
bits. Size of random access memory (RAM) also affects
microcontrollers operating speed. In this work, Arduino
Nano microcontroller is used which is having
configuration given in the above table. It has 30 pins, pin
number A0 to A7 are used for analogue inputs. Thus, eight
analogue inputs can be interfaced with this microcontroller
at the same time. In other side, it has 11 digital I/O pins
from D2 to D12. [19] Inertial this device can be powered
up with USB connection or by providing power supply of
5-volt on its Vin pin.
B. Sensor (inertial sensor)
Inertial sensor works in the principal of inertia. It consists
MEMS (micro electromechanical system) chip sensor. The
size of MEMS very small and it comes in the range of
some square millimeter. In the 3 axis ADXL 335, spring-
load based inertial sensor is employed. The spring mass
systems can move inside the chip according to the
movement of chip. The motion of spring load inside the
MEMS chip is depends upon motion of overall device. It
provides analogue output to its output terminal, which also
varies according to motion of the device in the x, y and z
direction. It requires essential calibration because the
MEMS chip contains spring loaded mechanical system
inside of it. The ADXL 335 is a tiny electronic chip which
has smaller width and length. The power consumption of
this device is very low. These inertial sensor chips can
measure acceleration in all the three direction.[19][20] It
also has the facility of signal conditioning for output
voltage. As it is already calculated that, this chip can
provide measurement for 3 g. The change of gravitational
force on the device while tilting can be measured. It can
also measure the statistical acceleration while it is used as
an application for jerk sensing.
C.Wireless device
To create a link between node to another node or base
system, a wired or wireless media can be used. In wireless
sensor network, a wireless media such as Bluetooth
network is used. HC- 05 Bluetooth chip used to establish a
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wireless link has the following specification. This is a
class 2, module with Bluetooth Serial Port Profile, that can
be configured as a master or a slave. You can just use a
replacement for the serial port to connect between the
MCU, PC for the integrated project and etc.
V. ARCHITECTURE OF MOBILE PHONE
SENSING
In this section, we will discuss the architecture and
hardware implementations of mobile phone sensing. Duo
to the mobility of the node in wireless sensing network,
the topology is more dynamic one in comparison to the
static wireless sensing network. The dynamic nature is
also reflected in the other factors like topology selection,
protocol selection and other architecture selection.
Mobile Wireless Sensor networks are classified as
1) Cluster architecture
2) Layered architecture
3) Sensor nodes with mobile sink node architecture. [21]
[22]
Basically, Existing cluster based networks developments,
is based on only one type of nodes. The architecture of a
Cluster comprises of sensor nodes clusters each directed
by cluster head. The cluster head receives messages from
nodes in each cluster and the same cluster head forwards
the messages to the sink node.
The architecture of WSNs consists of a sink node along
with multiple sensor nodes that sends data to the sink node
with the help of one hop, two hop etc. The whole
information is gathered only by sink node. Mobile sink
node architecture consists of mobile sink travels in the
sensing area and collects the data from sensors nodes. It
consists of a Sensor Node and a Mobile Sink Node,
occasionally the Data collector that is installed within
sensing area. Now a day, it has been seen that the
existing mobile devises use deep learning. It is able to
even use the speech recognition models which use deep
learning techniques. Some existing application domain of
deep learning are very similar to requirements of mobile
sending and should be able to be adapted for sensors app
purposes.
There are many open source tools which are being used
for mobile phone sensing. Here are different frameworks
which are used:
AWARE: It is a framework which is being used by the
android developers. AWARE is an open-sourced under
GPLv3.In AWARE, there are both clients and servers. The
clients do not need programming skills. It provides context
dashboard that grants the user to enable and disable
context information. Then the data will be save don the
users phone locally. [24] The client usually collects the list
of data and the
Fig.5. AWARE architecture
server lets collect the data in a centralized database. These
are two versions Aware server MQTT and AWARE server
with web services. The MQTT client only lets share
information in real-time with other AWARE clients and
AWARE servers. It allows the servers and clients to push
information using a publish-subscribe approach. [3] The
Funf is the other open sensing framework which is an
open data processing and sensing framework for various
mobile devices. It provides a reusable user of
functionalities, which enables the compilation, uploading
and configuration of wide range of data signals by making
accessible through mobile phones. Funf collects rich sets
of data. The whole list consists location and wireless info.
[4] The other open-source framework is the ODK. ODK
consists of so-called ODK build which helps the author to
manage solutions for mobile data collection . It builds a
HTML5 web application and attempts best for designing
simple forms. It provides solution for users to: It helps to
build a data collection form. It also collects the data from
mobile device and commits it to server. Then accumulate
the processed data on a server and extract it into useful
formats.
A. Mobile phone as a sensor Accelerometers have become
common after being initially introduced to enhance the
user interface and use of the camera. [27] They are used to
automatically determine the orientation in which the user
is holding the phone and use
Presentation Layer
Plug-ins
Visualization Adaptation
Context Layer Traceability layer
Abstraction Model’s PatternsRelationships
Classifications Dependencies
Perspectives
Communication Layer Concerns Layer
Protocols formats Encryption Security
parallelization process Privacy
Sensors
Offload
Data Layer
Mining Storage Clustering
Sensing Layer Social Layer
Hardware sensors Social networks
Software Sensors Human Profiles
Sensors
Fig. 6. Sensors in aware
that information to automatically re-orient the display
between a landscape and portrait view or correctly orient
captured photos during viewing on the phone. More and
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more sensors are being incorporated into phones.[37] An
interesting question is what new sensors are we likely to
see over the next few years? Non-phone- based mobile
sensing devices such as the Intel/University of Washington
Mobile Sensing Platform (MSP) [38] have shown value
from using other sensors not found in phones today (e.g.,
barometer, temperature, humidity sensors) for activity
recognition; for example, the accelerometer and barometer
make it easy to identify not only when someone is
walking, but when they are climbing stairs and in which
direction. New classes of applications, which can take
advantage of both the low-level sensor data and high- level
events, context, and activities inferred from mobile phone
sensor data, are being explored not only in academic and
industrial research laboratories [39,40] but also within
start-up companies and large corporations. One such
example is Sense Networks, a recent U.S.- based start-up
company, which uses millions of GPS estimates sourced
from mobile phones within a city to predict, for instance,
which subpopulation or tribe might be interested in a
specific type of nightclub or bar (e.g., a jazz club).
Remarkably, it has only taken a few years for this type of
analysis of large-scale location information and mobility
patterns to migrate from the research laboratory into
commercial usage.
B. Mobile sensing platform
The Mobile Sensing Platform (MSP) is a small-form-
factor wearable device designed for embedded activity
recognition. The MSP aims broadly to support context-
aware ubiquitous computing applications. It incorporates
multi-modal sensing, data processing and inference,
storage, all-day battery life, and wireless connectivity into
a single wearable unit. Several design iterations and real-
world deployments over the last four years have identified
a set of core hardware and software requirements for a
mobile inference system. NXP- one of the latest mobile
sensing platform. The NXPCRTouch is a capacitive and
resistive touch-sensing platform and a Ready PlaySolution
that integrates different functionality to existing
applications, by simplifying and integrating the design
cycle and helps to provide scalability in applications and
systems.
Add features while reducing development cost
Enables resistive touch screens to handle basic gesture
recognition
Allows also the addition of up to four capacitive
electrodes to a system
Supports 4- and 5-wire touch screens and
communicates over UART and IIC communication
protocols
It reduces space, the software development cost and
time to market. An Embedded activity recognition
system was developed based on mobile sensing platform
in 2008 [26]
An Embedded activity recognition system was developed
based on mobile sensing platform in 2008 [26] There are
lots of projects undergone this platform, one project
involves devel-oping algorithms to compute accurate
caloric expenditure from user activities, which will be
used to build an ambient personal-fuel gauge. Another
involved targeting Type I diabetics to adjust insulin
dosages on the basis of real- time activity infor-mation and
thus prevent dangerous hypoglycemic episodes. Moreover,
A third one attaches MSP with GPS information to better
understand how urban planning affects public health by
measuring outdoor physical activity levels in different
types of built environments. [13][25]
Current MSP Implementations
In the table 1, summarizes of the current Mobile Sensing
Plat-forms (MSP) implementation status is shown. With
the partial support for the temporal models, the installed
software runs inference version 1.0. The versions 2.0 and
3.0 of interference will be introduced in the future. These
models require computational resources. These
requirements are within the MSPs Capabilities. However,
the offline trainings are done and the embedded systems
runs the interference using the parameters based on the
trained model. The softwares are used to process the
sensor streams and applies the trained models to classify
activities. With the complete support of multi-tasking, IP
networking and flash file system, the Mobile Sensing
Platforms usually runs on the Linux. It develops a flexible
trait extraction along with runtime library that uses a
simple XML configuration file for specifying a sensor set.
It can stream the resulting computations to store over the
network on the MSP.
It started configuration Linux VMware image with the
MSP cross-development environment, to improve the
MSP program development. In the real-world deployments
and applications, MSP version 2.0 is being used. During
the layout iterations, these deployments have rein-forced
some of the knowledge gained. Berkeley motes, which are
professionally made by Crossbow, are till date the best-
known sensor node hardware implementation, which are
being used by more than 90 research organizations [27].
Table1. MSP Implementation
Components MSP hardware MSP hardware
v1.0 v2.0
Processor ATMega 128 ATMega 128
microcontroller on microcontroller on
sensor board sensor board
ARM7 processor PXA271 Xscale
on iMote Processor on iMote
Storage No on board Mini SD card slot
storage (current storage 2G
Bytes)
Communication Bluetooth radio Bluetooth radio,
RIFCOMM plus ZigBee radio
Battery Life 200 mAH Li- 1800 mAH Li-
Polymer battery Polymer battery
Inference No on board Embedded
inference capability inference software
version 1.0
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They basically comprise of an embedded hybrid
microcontroller, low-power radio, and very less memory,
and they are powered by two AA batteries. The most
successful categories of Berkeley motes are MICA and
MICA2 . Till date, a number of platforms have been
developed for the use of Berkeley motes in mobile sensor
networks to manage systematic study into controlled
mobility, which facilitates deployment and network repair
and provides possibilities for the implementation of
energy-harvesting. UCLAs RoboMote [28], Notre Dames
MicaBot and UC Berkeleys CotsBots are examples of
efforts in this direction. Particle Computers have been
developed at University of Karlsruhe, Germany. As
similar, to DIY platform, the basis of Particle Smart are a
core board equipped with Microchip PIC; that are
upgraded for energy efficiency, scalable communication
and small scale (17 mm 30 mm). Particles communicate in
an ad hoc fashion: as two Particles come close to one
another. they are able to talk. Additionally, if Particles
come near a gateway device, they can be connected to
Internet-enabled devices and access services and
information on the Internet as well as provide
information.[29] At University of Lancaster, surfaces
provide power and net- work connectivity in the Pin and
Play project Network nodes basically comes in distinct
form factors, but they all share the Pin and Play connector,
a custom component that allows physical connection and
networking through conductive sheets which are
embedded in surfaces such as a wall or a bulletin board.
Pin and Play falls in between the wired and wireless
technologies as it provides network access and power
across 2D surfaces. Wall-mounted objects are exclusively
suited to be augmented to become Pin and Play objects. In
a demonstration, a wall switch was augmented and freely
placed anywhere on a wall with a Pin and play surface as
wallpaper. [30]. Due to the frequent use of the regular
sensing, it is likely that additional processing support will
emerge. As an instance, Microsoft Research has
undergone the Little Rock project which is developing a
required hardware support for the continuous sensing
where the primary CPU frequently sleeps, while the digital
signal processors (DSPs) assists the duty cycle
management, sensor sampling models that may or may not
fail to generalize under unexpected environments.
The background environment or actions of the user (e.g.,
the phone could be in the pocket) will also affect the
quality of the sensor data that is captured. Phones might
have the chance to expose to events for a very small time
span, if the user is traveling speedily (e.g., in a car), if the
event is localized (e.g: a sound) or the sensor needs more
time than is required to collect a sample (e.g., air quality
sensor). The other forms that interferes the context
includes a person making use of his phone to make a call,
which obstructs with the strength of accelerometer to
interpret the physical actions of the person. They
collectively describe these issues as the context problem.
Many issues remain open in this area. [50] Some
researchers offers to leverage collocated mobile phones to
deal with some of these issues; for example, sharing
sensors temporarily if they are better able to capture the
data [32] [34]. To oppose the context challenges
researchers recommends super-sampling [33]where data
from adjescent phones are collectively used to lower the
aggregate noise in the reading. Alternatively, an effective
measure for some systems have been sensor sampling
routines with admission control stages that do not process
data that is low-quality, saving resources, and reducing
errors. (e.g. Sound Sense [35]).
VI. MOBILE ROBOTS
Another invocation in the research area of mobile sensing
is mobile robots. In Mobile robots, its main aim is to
enable embodied research in large-scale distributed
robotics and sensor networks. These are not fixed at one
physical location. A spying robot serves as an example of
mobile robot as they act according to the environmental
conditions. They are competent enough of moving around
that is why they are also capable of locomotion. They are
efficient for navigating or handling an uncontrolled
situation without the requirement of electro-mechanical or
physical guidance devices. Alternatively, reliability of
mobile robots depends upon guidance devices that permit
them to drive through a pre-determined navigation path in
relatively controlled space. Robomote is mobile robot
platform, which is used to investigate the robotics
problems in sensor networking. It is 1330 times smaller in
size as compared to the Pioneer and 26 times cheaper than
Khepera, both are the standard robots used for the research
work in laboratories throughout the world. Here is the
design of the mobile robots in detail:
Hardware:
It comprises of a single printed circuit board having
dimensions 3.81cm x 2.23cm which is based on an Atmel
AT9OS8535L and bit micro controller [12]. It is
completely based on the media access mechanism with
listen-before feature like Aloha. So, it is a contention
based Aloha type scheme which means it listen before
transmission and random back-off. Transmission range in
software is from 20cm to 55m. It also depends upon some
environment based parameters such as multi-path and
reflection. It has intra-red transmitter which is mounted to
face backward to facilitate following behaviors. There are
four bump sensors also along with the infra-red. It has five
infra-red transmitters in which two are at the front, one
for each optical encoder and one facing back. All these
transmitters require 20mA operating current each.
Due to this problem, power management becomes a
software responsibility. It can sustain power supply up to
131 days, when it is in sleep mode and up to 3.5 hours
when it is in fully active mode. There are solar cells as
well in Robomote and these solar cells makes it suitable as
the nodes in the sensor network that are always on. Solar
cells permit long operation life, that is useful in long lived
robot experience [28].
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Software: In the design of robots, there are eight serials
commands the Robomote offers to the host controller.
These serial commands allow the host to control motion to
react to detected objects. There are two prime components
of the software which are the lower level platform control
loop on the robot and the master, or host. The robot
platform software implements a control loop that runs at
100 Hz. The main work of the controller is to retain a
constant velocity based on a lookup pulse width
modulation value. It is basic on off controller. It also has a
compass which evaluate the East, West, North and South.
The accuracy of the compass is approximately 6 degrees.
It has interrupts which activates the touch screen s that
cause the control loop to send an OBJECTDETECT
message to the controlling host.
It has infra-red sensor which causes spurious interrupts. It
must be smoothed through filtering and integration. It has
a control loop which sends the host an OBJECTDETECT
message. The software and hardware design allow the
robot platform be used in mobile sensor networks. [28, 36]
Control software components are cleanly separated by the
serial interface. Car-Like Robots: Car-like robots equipped
with wheels for locomotion are popular mobile platforms
for sensors. They can move on a 2D plane and detect
nearby obstacles to avoid collision. However, it is critical
to navigate the robots, so we will introduce three common
navigation techniques.
Robotic Fish: Mobile underwater WSN is an emerging
networking paradigm to monitor water bodies such as
lakes or seas. Several efforts done in research have
developed prototypes of robotic fish to implement mobile
under-water WSNs. However, RF signals cannot travel
over long distances in an underwater atmosphere [Cui et
al.2006]. In this case, conventional positioning techniques
such as GPS or RF-based trilateration may not be applied
to localize robotic fish.
MAVs are emerging as a novel category of mobile sensor
networks capable of navigating semi automatically in
unknown environments. Each MAV can move or even fly
in 3D space but carry less weight due to its small size.
Flying with a swinging load is a challenging task since the
load changes the MAVs flight characteristics.
VII.CHARACTERISTICS OF MOBILE
SENSOR NETWORKS
Sensor network a freshly technology for contain data with
autonomous task oriental sensors. Not long ago, this
technology became additional attractive. Currently being
used for the real- world abandoned physical environment
to measure parameters. So, the characteristics of this must
be considered for efficient deployment of network. Ideally,
sensor network must be flexible, promote data collection
and decrease the need for maintenance. [11]
Flexibility: Mobile Sensor networks should be extensible,
and they should be capable to dynamically adjust to
changes occurs in node density and topology Sensor
networks should also be robust to changes in their
topology, for instance due to the failure of individual
nodes. In particular, connectivity and coverage should
always be guaranteed. Connectivity is achieved if the base
station can be reached from any node.
Maintenance: The only desired form of maintenance in a
sensor network is the complete or partial update of the
program code in the sensor nodes over the wireless
channel. It is quite often the case that all data is
broadcasted to a base station, but this form of centralized
data collection may shorten network lifetime.
Communication: WSN typically communicate through
radio waves over a wireless channel. It has the property of
communicating in short range, with narrow and dynamic
bandwidth. The communication channel can either be
unidirectional or bidirectional. With an hostile and
unattended operational environment, its quite challenging
to run WSN fluently. So, the hardware and software for
communication must have to take into consideration the
robustness, security and resiliency.
Low Cost: There is high count of nodes in WSNs, and
when the batteries of the nodes got drained the same are
being replaced by the new ones. Further, WSNs are
visualized to be everywhere. Thus, the cost of the nodes
must be extremely low to make the deployments feasible.
Security and Privacy: Security parameters which are
already available in wireless sensor networks that is based
on some specific hypothesis about the nodes and the
network environment that are tied to particular usage
scenarios. Each sensor node must support sufficient
security measures in order to avoid attacks, unauthorized
access and un intended damage of the information inside
of the sensor node. Furthermore, in addition to this
specific privacy tools must also be involved.
VIII. APPLICATIONS OF MOBILE SENSOR
NETWORK
In this section, we will summarize how trustworthy
consumer devices would enhance the service quality. In
many applications, a gateway is used to establish
communication of a WSN with a Local Area Network or
Wide Area Network. New categories of applications, that
can have advantage of the low-level sensor data along
with high-level activities, events and context inferred from
mobile phone sensor data, are being explored not only in
academic and industrial research. [11] The ubiquitous
nature and highly infiltration of mobile phones in human
lives have opened up new disciplines of applications
development and facilitated human lives in different
spheres. Using the mobility, sensing, processing, and
communication capabilities of mobile phones a wide range
of applications addressing a verity of domains areas are
developed which would be impossible otherwise. [12]
• Area Monitoring: Area monitoring is an universal
application of WSNs. In field of area monitoring, the
purpose of deploying WSN over a area or region is to
listen some phenomenon. A military example makes use
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of sensors for detecting the spy intrusion; a civilian
example is the geo- fencing of oil or gas pipelines.
Health Care Monitoring: The medical applications are
categorized in two types: implanted and wearable. The
wearable devices are basically used on the human body
surface or just very close to the user. The implantable
devices are those medical devices which are being inserted
inside the human body. There are many other applications
too e.g. the location and body position measurement of the
person, along with overall monitoring of sick patients at
homes and in hospitals. Body-area networks are meant to
collect data regarding an individual's health, energy
expenditure and fitness. In the past, few years, health
monitoring using mobile phones alone or in conjunction
with wearable devices has gained increasing interest of
both research and academia Mobile Health Monitoring has
applications areas where patients health needs to be
accessed and monitored on continuous basis such as old
age, and handicap population.
Environmental Sensing: There are various applications in
monitoring the environmental parameters some examples
have been listed further. They supports the extra
challenges of reduced power supply and harsh
environments. Environmental pollution monitoring is one
of the applications of mobile sensing. As a result of
environmental pollution major harm can be caused to
plants, humans, animals and trees. In humans,
environmental pollution cannot only cause the physical
disabilities but also physiological and behavioral disorder.
A mobile phone has certain amazing characteristics such
as co-located with a user, being in environment, and
sensing and communicating contextual data etc.
Road and Transportation Monitoring: Roads and
transportation monitoring has been of prime importance
for both developing and developed countries since long.
Using mobile phones sensing capabilities for providing
real-time road and traffic information can be effectively
used in reducing congestion in a number of ways such as
information describing road condition can be forwarded to
road drivers to avoid congested or bad roads to save the
travelling time.
• Commerce Monitoring: Prices of the homogenous
products from the different vendors vary even in the same
vicinity and are called price dispersion in economics.
Online Social Network Reciprocation: Online Social
Networks are computer based networks aimed to bond
inhabitants and organizations. During the previous, time
period the energetic growth of online social networking
applications has facilitated people in forming friends and
keeping in contact with their colleagues and old friends.
Air Pollution Monitoring: Wireless sensor networks are
being deployed in various cities such as (Stockholm,
London, and Brisbane) to listen the concentration of
deadly gases for citizens. These make use of the ad hoc
wireless links in comparison with wired installations. That
also make them more compatible and mobile for testing
readings in different areas.
Forest Fire Detection: The installation of Sensor Nodes
Network can be done in a forest to check the initiation if
fire. The nodes are be made up of sensors to measure
temperature, humidity and gases which are produced by
fire in the trees and vegetation. The early detection is
supportive for a successful action of the fire fighters;
thanks to Wireless Sensor Networks, the fire brigade will
be able to know when a fire is started and how it is
spreading.
Industrial Monitoring: Wireless sensor networks have
been developed for machinery condition-based
maintenance (CBM) as they offer significant cost savings
and enable new functionality.
IX. CHALLENGES IN MOBILE SENSOR
NETWORKS
Mobile sensor networks proves as a key enabler for
several new applications including smart objects
interacting with the physical environment. Its also a
challenging and attracting research area. Examples of such
applications includes building automation, facility
management, environmental monitoring and intelligent
agriculture. Wireless sensor networks have extra ordinary
and unique properties that makes the architectural design
of protocols and applications quite challenging. A finite
energy budget, limited processing capabilities, scaling
requirements coming from high node densities, the need
for intelligent local collaboration, in-network processing
and many more.
Privacy and Trust: Mobile sensor networks are based on
wearable and carrying devices which are being
implemented in a large number of different applications.
Lots of them are with strict privacy requirements
including: medical, surveillance, e-Health, and so forth.
Since private data is being shared (physiological measures,
medical records, etc.), implementing security mechanisms
in these networks has become a major challenge. In
mobile networks users, which are not willing to disclose
all or some sensor information should be given hard
guarantees on privacy. Trust on the quality of the
information provided by such crowd sourced information
[41] [42] .
Battery life: The main challenge which the developer
phase is the battery life of the mobile. Sensor usage is
expensive and resource intensive. Due to the small
dimension of a sensor node, the power supply attached to
the sensor node has to be very limited in size. Thus, en-
ergy conservation becomes a challenging issue. Sensing
applications have heavy demands on sensors. [43] The
battery life of mobile should not get effected as much if a
new application is being installed. But this problem has
still not achieved completely. The continuous sensing has
some impact on the phones battery life. [44]
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Volume: 09 Issue: 04 Pages: 3523-3536(2018) ISSN: 0975-0290
3534
For example, sometimes authors provide the power over-
head for every sensor and is expresses as the percentage of
the power consumed by the HTC phone [45]
Accelerometer: 7.4%
Temperature: 2.78% Barometer: 22.2% Compass: 29.63%
These challenges are important to be keep in mind while
forming basic requirements for software development
tools in mobile sensing. [48]
Architectural Issues: At the top level, an architecture
decomposes a problem domain into a set of services which
are functional components, their mechanisms and their
responsibilities. [47] An architectural design can also
define a set of interfaces to its services, which are the
structures and functions services expose their mechanisms
with. Finally, at the base level, an architecture can define
its protocols, that includes packet formats, communication
exchanges, and state machines. So, which architecture to
go for either Centralized or decentralized processing is a
challenging task. (can also have privacy implications). The
large number of sensor nodes mandates that in general
distributed algorithms and protocols should be preferred
over centralized ones whenever possible. Otherwise,
traffic hot spots will appear around centralized servers and
all the traffic heading to coming from those servers would
have to go over the sensor nodes in their vicinity. [48] As
a result, these nodes would quickly run out of energy. It
depends on several factors how pronounced this problem
is for the special case of sink nodes. When the sink is
mobile, sensor nodes are part of a hot spot only for a short
time. [49] In networks where the event- notification or the
one-shot-query patterns are predominant, the problem is
not as pronounced as it would be for the periodic pattern.
So, architectural issues are required to be handled
carefully.
CONCLUSION
Sensors are the key factors of developing more and more
interesting applications on the smart phones, and the
sensors make the smart phone different from traditional
computing devices like computer. Mobile phone sensing
systems will finally provide both micro as well as
macroscopic views of various communities, cities, and
individuals that helps to improve how society functions as
a whole. It is believed that camera and pattern recognition
will be used more and more in the future. The concept of
DSN in the mobile sensing is being introduced more than
two decades ago. Earlier, the researchers in DSN were
completely handicapped by the state of the art structure in
sensors, computers, and communication networks.
Technological advancement in the past decade have
completely changed the situation. These mobile sensor
network nodes can be used in many applications which
can also adapt the environmental changes now. The
sensors range from environmental monitoring to industrial
sensing, as well as traditional military applications. The
networks like microscopic sensors are embedded in the
fabric of society such as in buildings and machinery, and
even on people which could drastically enhance our
understanding of our physical environment.
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