Java dynamic coverage of mobile sensor networks
•
0 likes•56 views
This document summarizes research on the dynamic coverage of mobile sensor networks. It finds that while sensor mobility improves coverage over time by covering locations an stationary sensors could not, it also means locations are only covered intermittently as sensors move. The time for a sensor network to detect a random intruder is shown to be exponentially distributed. For mobile intruders and sensors, a game theoretic approach finds the optimal strategy is for sensors to choose movement directions randomly, while intruders remain stationary as part of a Nash equilibrium.
Report
Share
Report
Share
Download to read offline
Recommended
A cloud based scheme for protecting
For further details contact:
N.RAJASEKARAN B.E M.S 9841091117,9840103301.
IMPULSE TECHNOLOGIES,
Old No 251, New No 304,
2nd Floor,
Arcot road ,
Vadapalani ,
Chennai-26.
Intrusion Detection in Wireless Sensor Networks
This document presents a thesis on developing an intrusion detection system for wireless sensor networks using k-barrier coverage. The thesis is supervised by Mr. Sandeep Sharma and presented by Jaiprakash Nagar. It introduces wireless sensor networks and the problem of intrusion detection. It then outlines the network and mobility model, sensing model, and measurements used for coverage. The document mathematically models the average relative speed of mobile sensors, sensor coverage rate, and probability of k-barrier coverage. Results are analyzed on the effects of different parameters on k-barrier coverage probability. The conclusions discuss the performance of mobile sensor networks for intrusion detection based on k-barrier coverage.
Node detection technique for node replication attack in mobile sensor network
This document proposes a new technique for detecting node replication attacks in mobile sensor networks. It summarizes existing detection methods and their limitations. The proposed method divides the network into clusters monitored by cluster heads. When a node enters a cluster, the cluster head checks its identity and velocity, which is encrypted and stored in the node. If another node in the cluster has the same identity but different velocity, it is identified as a replica. The technique aims to improve energy efficiency, detection accuracy, and reduce packet drops compared to existing centralized and distributed detection methods.
Quantum Teleportation A Brief Overview of How it Functions and its Possible Uses
This document provides an overview of quantum teleportation and its potential uses and limitations. It discusses how quantum teleportation works through quantum entanglement to instantly transfer information between two locations without the information traveling through space. It describes how quantum teleportation could enable highly secure communication by allowing the generation of encryption keys that would be nearly impossible for an attacker to intercept. However, it also outlines current limitations like low success rates and the difficulty of maintaining entanglement over long distances. The document concludes that while challenges remain, quantum teleportation and computing show promise to revolutionize communication security and computing power in the future.
Delaunay based two-phase algorithm for connected cover in WSNs
Monitoring applications are one of the main usages of wireless sensor networks, where the sensor nodes are responsible to report any event of interest in the monitoring area. Due to their limited energy storage, the nodes are prone to fail, which may lead to network partitioning problem. To cope with this problem, the number of deployed sensor nodes in an area is more than the required quantity. The challenge is to turn on a minimal number of nodes to preserve network connectivity and area coverage. In this paper, we apply computational geometry techniques to introduce a new 2-phase algorithm, called Delaunay Based Connected Cover (DBCC), to find a connected cover in an omnidirectional wireless sensor network. In the first phase, the Delaunay triangulation of all sensors is computed and a minimal number of sensors is selected to ensure the coverage of the region. In the second phase, connectivity of the nodes is ensured. The devised method is simulated by NS2 and is compared with two well-known algorithms, CCP and OGDC. For the case, where the communication and the coverage radii are equal, our method requires 23% and 45% fewer nodes compared to the aforementioned methods, respectively. In the second simulation case, the communication radius is set to 1.5 times of the coverage radius. The results demonstrate that DBCC chooses 14% and 34% fewer nodes, respectively.
A MULTI-PATH ROUTING DETERMINATION METHOD FOR IMPROVING THE ENERGY EFFICIENCY...
A selective forwarding attack in mobile wireless sensor networks is an attack that selectively drops or delivers event packets as the compromised node moves. In such an attack, it is difficult to detect the compromised node compared with the selective forwarding attack occurring in the wireless sensor network
because all sensor nodes move. In order to detect selective forwarding attacks in mobile wireless sensor networks, a fog computing-based system for a selective forwarding detection scheme has been proposed. However, since the proposed detection scheme uses a single path, the energy consumption of the sensor node for route discovery when the sensor node moves is large. To solve this problem, this paper uses fuzzy
logic to determine the number of multi-paths needed to improve the energy efficiency of sensor networks. Experimental results show that the energy efficiency of the sensor network is improved by 9.5737% compared with that of the existing scheme after 200 seconds when using the proposed scheme
D0952126
This document summarizes a research paper on defending against replication node attacks in wireless sensor networks. The paper proposes using a "Black Roll" technique to detect and block compromised nodes. It uses Sequential Probability Ratio Testing (SPRT) to detect if a node's speed exceeds the maximum, indicating replication. If detected, the node's IP is added to a blacklist table secured with RSA encryption. A tool called Protowall then blocks the IP address on the blacklist to prevent network access. The paper claims this Black Roll technique improves detection of replication node attacks compared to existing approaches.
Aa04404164169
Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Recommended
A cloud based scheme for protecting
For further details contact:
N.RAJASEKARAN B.E M.S 9841091117,9840103301.
IMPULSE TECHNOLOGIES,
Old No 251, New No 304,
2nd Floor,
Arcot road ,
Vadapalani ,
Chennai-26.
Intrusion Detection in Wireless Sensor Networks
This document presents a thesis on developing an intrusion detection system for wireless sensor networks using k-barrier coverage. The thesis is supervised by Mr. Sandeep Sharma and presented by Jaiprakash Nagar. It introduces wireless sensor networks and the problem of intrusion detection. It then outlines the network and mobility model, sensing model, and measurements used for coverage. The document mathematically models the average relative speed of mobile sensors, sensor coverage rate, and probability of k-barrier coverage. Results are analyzed on the effects of different parameters on k-barrier coverage probability. The conclusions discuss the performance of mobile sensor networks for intrusion detection based on k-barrier coverage.
Node detection technique for node replication attack in mobile sensor network
This document proposes a new technique for detecting node replication attacks in mobile sensor networks. It summarizes existing detection methods and their limitations. The proposed method divides the network into clusters monitored by cluster heads. When a node enters a cluster, the cluster head checks its identity and velocity, which is encrypted and stored in the node. If another node in the cluster has the same identity but different velocity, it is identified as a replica. The technique aims to improve energy efficiency, detection accuracy, and reduce packet drops compared to existing centralized and distributed detection methods.
Quantum Teleportation A Brief Overview of How it Functions and its Possible Uses
This document provides an overview of quantum teleportation and its potential uses and limitations. It discusses how quantum teleportation works through quantum entanglement to instantly transfer information between two locations without the information traveling through space. It describes how quantum teleportation could enable highly secure communication by allowing the generation of encryption keys that would be nearly impossible for an attacker to intercept. However, it also outlines current limitations like low success rates and the difficulty of maintaining entanglement over long distances. The document concludes that while challenges remain, quantum teleportation and computing show promise to revolutionize communication security and computing power in the future.
Delaunay based two-phase algorithm for connected cover in WSNs
Monitoring applications are one of the main usages of wireless sensor networks, where the sensor nodes are responsible to report any event of interest in the monitoring area. Due to their limited energy storage, the nodes are prone to fail, which may lead to network partitioning problem. To cope with this problem, the number of deployed sensor nodes in an area is more than the required quantity. The challenge is to turn on a minimal number of nodes to preserve network connectivity and area coverage. In this paper, we apply computational geometry techniques to introduce a new 2-phase algorithm, called Delaunay Based Connected Cover (DBCC), to find a connected cover in an omnidirectional wireless sensor network. In the first phase, the Delaunay triangulation of all sensors is computed and a minimal number of sensors is selected to ensure the coverage of the region. In the second phase, connectivity of the nodes is ensured. The devised method is simulated by NS2 and is compared with two well-known algorithms, CCP and OGDC. For the case, where the communication and the coverage radii are equal, our method requires 23% and 45% fewer nodes compared to the aforementioned methods, respectively. In the second simulation case, the communication radius is set to 1.5 times of the coverage radius. The results demonstrate that DBCC chooses 14% and 34% fewer nodes, respectively.
A MULTI-PATH ROUTING DETERMINATION METHOD FOR IMPROVING THE ENERGY EFFICIENCY...
A selective forwarding attack in mobile wireless sensor networks is an attack that selectively drops or delivers event packets as the compromised node moves. In such an attack, it is difficult to detect the compromised node compared with the selective forwarding attack occurring in the wireless sensor network
because all sensor nodes move. In order to detect selective forwarding attacks in mobile wireless sensor networks, a fog computing-based system for a selective forwarding detection scheme has been proposed. However, since the proposed detection scheme uses a single path, the energy consumption of the sensor node for route discovery when the sensor node moves is large. To solve this problem, this paper uses fuzzy
logic to determine the number of multi-paths needed to improve the energy efficiency of sensor networks. Experimental results show that the energy efficiency of the sensor network is improved by 9.5737% compared with that of the existing scheme after 200 seconds when using the proposed scheme
D0952126
This document summarizes a research paper on defending against replication node attacks in wireless sensor networks. The paper proposes using a "Black Roll" technique to detect and block compromised nodes. It uses Sequential Probability Ratio Testing (SPRT) to detect if a node's speed exceeds the maximum, indicating replication. If detected, the node's IP is added to a blacklist table secured with RSA encryption. A tool called Protowall then blocks the IP address on the blacklist to prevent network access. The paper claims this Black Roll technique improves detection of replication node attacks compared to existing approaches.
Aa04404164169
Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
International Journal of Engineering Research and Development (IJERD)
The document summarizes research on detecting node replication attacks in mobile sensor networks. It discusses challenges in applying existing witness-finding strategies from static networks to mobile ones due to nodes' changing locations over time. Existing velocity-exceeding detection methods rely on centralized processing at the base station, incurring single point of failure issues. The paper then proposes localized detection algorithms that can effectively detect node replication in a distributed manner without requiring network-wide synchronization or revocation. The algorithms aim to overcome limitations of prior work in efficiently detecting replicas in mobile sensor networks.
Wormhole attack mitigation in manet a
A Mobile Ad-Hoc Network (MANET) is a self configuring, infrastructure less network of mobile devices
connected by wireless links. Loopholes like wireless medium, lack of a fixed infrastructure, dynamic
topology, rapid deployment practices, and the hostile environments in which they may be deployed, make
MANET vulnerable to a wide range of security attacks and Wormhole attack is one of them. During this
attack a malicious node captures packets from one location in the network, and tunnels them to another
colluding malicious node at a distant point, which replays them locally. This paper presents a cluster based
Wormhole attack avoidance technique. The concept of hierarchical clustering with a novel hierarchical 32-
bit node addressing scheme is used for avoiding the attacking path during the route discovery phase of the
DSR protocol, which is considered as the under lying routing protocol. Pinpointing the location of the
wormhole nodes in the case of exposed attack is also given by using this method.
Dotnet detection and localization of multiple spoofing attackers in wireless...
This paper proposes methods for detecting spoofing attacks in wireless networks, determining the number of attackers when multiple adversaries spoof the same node, and localizing the positions of multiple attackers. It uses the spatial correlation of received signal strength inherent in wireless transmissions to detect spoofing attacks. Cluster-based mechanisms and support vector machines are developed to determine the number of attackers by formulating it as a multiclass detection problem. Experimental results using WiFi and ZigBee networks in two buildings show the methods can achieve over 90% accuracy in determining the number of attackers and provide strong evidence of accurately localizing multiple adversaries.
quantum cryptography
This document provides an introduction to quantum cryptography. It explains that quantum cryptography uses principles of quantum mechanics like quantum entanglement and the Heisenberg uncertainty principle to securely distribute encryption keys. It notes that quantum cryptography combines the concepts of one-time pads and quantum key distribution, using quantum mechanics to detect any attempts at eavesdropping. The document also briefly discusses the history of cryptography, how quantum key distribution works, advantages and disadvantages of quantum cryptography, and its future applications.
Post quantum cryptography
A brief presentation on Position-Based, Device-Independent and Post Quantum Cryptographies. Detailing Position-Based QC, defining Device-Independent QC and discussing Post Device-Independent.
Quantum cryptography
Quantum cryptography uses principles of quantum mechanics to securely distribute encryption keys between two parties. It allows Alice and Bob to detect if an eavesdropper (Eve) is trying to intercept the key during transmission. Eve's attempt to measure the quantum states used to transmit the key would introduce detectable errors. The document discusses the history and principles of quantum cryptography, including types like discrete and continuous variable QKD. It also covers desirable attributes like confidentiality and rapid key delivery, providing an example of how quantum key distribution works between Alice and Bob.
SOFROP
SOFROP: Self-Organizing and Fair Routing Protocol for Wireless Networks with Mobile Sensors and Stationary Actors
9
The document proposes a cloud-based scheme to protect source location privacy against hotspot-locating attacks in wireless sensor networks. It defines a hotspot phenomenon where a large volume of packets originate from a small area, revealing the source location. The scheme creates an irregularly shaped cloud of fake traffic to camouflage the source node and counteract inconsistencies in the traffic pattern. Clouds are only active during data transmission and intersecting clouds merge to reduce the number of fake packets and boost privacy while lowering energy costs compared to other schemes. Simulation results show it provides stronger privacy than routing-based schemes at much less energy than global adversary schemes.
An optimal algorithm for coverage hole healing
This document presents an algorithm for optimally healing coverage holes in hybrid sensor networks. The algorithm:
1. Models the problem as finding a maximum matching on a bipartite graph representing sensors and holes, where edge weights indicate remaining energy.
2. Modifies the graph to allow "cascaded movements" of active sensors to further optimize energy.
3. Works in two steps: first, it determines the minimum possible remaining energy Rmin among moving sensors; second, it finds the maximum matching on the graph after removing edges with weight less than Rmin.
Detecting proximity events in sensor networks
This document discusses detecting proximity events in sensor networks. It introduces the concept of proximity queries, which allows sensor nodes to report interesting events observed within a certain distance of each other. It describes how sensor nodes scattered in a sensor field can detect proximity events using local routing indices and transmit data along predefined or unknown paths. It addresses problems that can occur, such as wasted messages when no matching events are nearby, and presents solutions like rumor-based approaches and incrementally updating local routing indices.
Quantum cryptography a modern cryptographic security
This document provides an overview of quantum cryptography. It begins with introductions to traditional cryptography and quantum cryptography. Quantum cryptography relies on principles of quantum mechanics like the Heisenberg uncertainty principle and photon polarization to securely distribute keys. It explains that quantum key distribution is needed because secure key distribution is not possible with traditional communications, but is possible using quantum communications. The document then discusses why quantum cryptography is needed, what problem quantum key distribution solves, and that deploying quantum key distribution systems is not complex. It also outlines two types of quantum cryptography - position-based and post-quantum cryptography. Finally, it provides an example of an existing quantum network and concludes that quantum cryptography could be the first application of quantum mechanics at the single particle level
Wireless sensor networks
The document proposes a label-based secure localization scheme to defend against wormhole attacks in wireless sensor networks. It analyzes the impact of wormhole attacks on DV-Hop localization and describes a three-phase approach to label beacon and sensor nodes to identify and remove illegal connections introduced by wormholes. Simulation results show the scheme is effective at detecting wormholes and minimizing their impact on localization accuracy.
Quantum Cryptography abstract
Quantum cryptography uses properties of quantum mechanics to securely distribute encryption keys. It allows two users to generate a shared secret key with information-theoretic security. This is accomplished through quantum key distribution, which exploits the quantum mechanical principle that measuring a quantum system can disturb the system. Even if an eavesdropper has unlimited computing power, the laws of physics guarantee the security of the key exchange. The paper introduces cryptography, traditional techniques, and the differences between traditional and quantum cryptography.
Identification of Closest and Phantom Nodes in Mobile Ad Hoc Networks
There are several services that build on the availability of closest node location information like geographic routing in spontaneous networks, data gathering in sensor networks, movement coordination among autonomous robotic nodes, location specific services for hand held devices and danger warning or traffic monitoring in vehicular networks. Ad hoc networking protocols and location-aware services require that mobile nodes identify the location of their closest nodes. Such a process can be easily misuses or stop by opposed nodes. In absence of a priori trusted nodes, the spotting and identifying of closest node position presents challenges that have been scarcely investigated in the literature. Node can also send message from one to many nodes in a broadcasting manner here.
wireless sensor network,mobile networking
dynamic coverage of mobile sensor networks,
this work mainly focused on network coverage area & perfect deployment.
An enhancing security for mobile sinks by providing location privacy in wsn
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
International Journal of Engineering Research and Development
Electrical, Electronics and Computer Engineering,
Information Engineering and Technology,
Mechanical, Industrial and Manufacturing Engineering,
Automation and Mechatronics Engineering,
Material and Chemical Engineering,
Civil and Architecture Engineering,
Biotechnology and Bio Engineering,
Environmental Engineering,
Petroleum and Mining Engineering,
Marine and Agriculture engineering,
Aerospace Engineering.
Intrusion detection in homogeneous and heterogeneous wireless sensor networks
This document summarizes a research paper about intrusion detection in homogeneous and heterogeneous wireless sensor networks. It discusses analyzing intrusion detection under two scenarios: single-sensor detection, where one sensor can detect an intruder, and multiple-sensor detection, where collaboration is needed. The paper analyzes detection probability with respect to intrusion distance and network parameters like node density and sensor ranges. Simulation results show heterogeneous networks with sensors of varying ranges increase detection probability over homogeneous networks.
TARGET LOCALIZATION IN WIRELESS SENSOR NETWORKS BASED ON RECEIVED SIGNAL STRE...
We consider the problem of localizing a target taking the help of a set of anchor beacon nodes. A small
number of beacon nodes are deployed at known locations in the area. The target can detect a beacon
provided it happens to lie within the beacon’s transmission range. Thus, the target obtains a measurement
vector containing the readings of the beacons: ‘1’ corresponding to a beacon if it is able to detect the
target, and ‘0’ if the beacon is not able to detect the target. The goal is twofold: to determine the location
of the target based on the binary measurement vector at the target; and to study the behaviour of the
localization uncertainty as a function of the beacon transmission range (sensing radius) and the number of
beacons deployed. Beacon transmission range means signal strength of the beacon to transmit and receive
the signals which is called as Received Signal Strength (RSS). To localize the target, we propose a gridmapping
based approach, where the readings corresponding to locations on a grid overlaid on the region
of interest are used to localize the target. To study the behaviour of the localization uncertainty as a
function of the sensing radius and number of beacons, extensive simulations and numerical experiments
are carried out. The results provide insights into the importance of optimally setting the sensing radius and
the improvement obtainable with increasing number of beacons.
Node Deployment in Homogeneous and Heterogeneous Wireless Sensor Network
Optimal sensor deployment is necessary condition in homogeneous and heterogeneous wireless sensor
network. Effective deployment of sensor nodes is a major point of concern as performance and lifetime of any
WSN. Proposed sensor deployment in WSN explore every sensor node sends its data to the nearest sink node
of the WSN. In addition to that system proposes a hexagonal cell based sensor deployment which leads to
optimal sensor deployment for both homogeneous and heterogeneous sensor deployment. Wireless sensor
networks are receiving significant concentration due to their potential applications ranging from surveillance
to tracking domains. In limited communication range, a WSN is divided into several disconnected sub-graphs
under certain conditions. We deploy sensor nodes at random locations so that it improves performance of the
network.This paper aims to study, discuss and analyze various node deployment strategies and coverage
problems for Homogeneous and Heterogeneous WSN.
MULTI-ROBOT SENSOR RELOCATION TO ENHANCE CONNECTIVITY IN A WSN
Ensuring connectivity in Wireless Sensor Networks (WSN) is a challenging issue, especially in hazardous
areas (like battlefield). Many applications of WSN require an important level of connectivity in the network
to detect a given event (like detection Intrusion) and forward it to the ”sink” node in order to alert users.
For these risky areas the deterministic deployment is not usually guaranteed and the network is composed
by a set of disconnected Islands. We present in our work two strategies to relocate sensors in order to
improve the connectivity using mobile Robots. These two solutions are called Multi-Robot Island-based
Relocation (MRIBR) and Multi-Robot Grid-Based Island-based Relocation (MRGIR). Through several
simulations, we show that MRGIR outperforms MRIBR. Our study can be used especially to make a tradeoff between the number of deployed sensors and the numbers of the used mobile robots, according to the
quality needed for the application.
Multi-Robot Sensor Relocation to Enhance Connectivity in a WSN
Ensuring connectivity in Wireless Sensor Networks (WSN) is a challenging issue, especially in hazardous
areas (like battlefield). Many applications of WSN require an important level of connectivity in the network
to detect a given event (like detection Intrusion) and forward it to the ”sink” node in order to alert users.
For these risky areas the deterministic deployment is not usually guaranteed and the network is composed
by a set of disconnected Islands. We present in our work two strategies to relocate sensors in order to
improve the connectivity using mobile Robots. These two solutions are called Multi-Robot Island-based
Relocation (MRIBR) and Multi-Robot Grid-Based Island-based Relocation (MRGIR). Through several
simulations, we show that MRGIR outperforms MRIBR. Our study can be used especially to make a tradeoff
between the number of deployed sensors and the numbers of the used mobile robots, according to the
quality needed for the application.
More Related Content
What's hot
International Journal of Engineering Research and Development (IJERD)
The document summarizes research on detecting node replication attacks in mobile sensor networks. It discusses challenges in applying existing witness-finding strategies from static networks to mobile ones due to nodes' changing locations over time. Existing velocity-exceeding detection methods rely on centralized processing at the base station, incurring single point of failure issues. The paper then proposes localized detection algorithms that can effectively detect node replication in a distributed manner without requiring network-wide synchronization or revocation. The algorithms aim to overcome limitations of prior work in efficiently detecting replicas in mobile sensor networks.
Wormhole attack mitigation in manet a
A Mobile Ad-Hoc Network (MANET) is a self configuring, infrastructure less network of mobile devices
connected by wireless links. Loopholes like wireless medium, lack of a fixed infrastructure, dynamic
topology, rapid deployment practices, and the hostile environments in which they may be deployed, make
MANET vulnerable to a wide range of security attacks and Wormhole attack is one of them. During this
attack a malicious node captures packets from one location in the network, and tunnels them to another
colluding malicious node at a distant point, which replays them locally. This paper presents a cluster based
Wormhole attack avoidance technique. The concept of hierarchical clustering with a novel hierarchical 32-
bit node addressing scheme is used for avoiding the attacking path during the route discovery phase of the
DSR protocol, which is considered as the under lying routing protocol. Pinpointing the location of the
wormhole nodes in the case of exposed attack is also given by using this method.
Dotnet detection and localization of multiple spoofing attackers in wireless...
This paper proposes methods for detecting spoofing attacks in wireless networks, determining the number of attackers when multiple adversaries spoof the same node, and localizing the positions of multiple attackers. It uses the spatial correlation of received signal strength inherent in wireless transmissions to detect spoofing attacks. Cluster-based mechanisms and support vector machines are developed to determine the number of attackers by formulating it as a multiclass detection problem. Experimental results using WiFi and ZigBee networks in two buildings show the methods can achieve over 90% accuracy in determining the number of attackers and provide strong evidence of accurately localizing multiple adversaries.
quantum cryptography
This document provides an introduction to quantum cryptography. It explains that quantum cryptography uses principles of quantum mechanics like quantum entanglement and the Heisenberg uncertainty principle to securely distribute encryption keys. It notes that quantum cryptography combines the concepts of one-time pads and quantum key distribution, using quantum mechanics to detect any attempts at eavesdropping. The document also briefly discusses the history of cryptography, how quantum key distribution works, advantages and disadvantages of quantum cryptography, and its future applications.
Post quantum cryptography
A brief presentation on Position-Based, Device-Independent and Post Quantum Cryptographies. Detailing Position-Based QC, defining Device-Independent QC and discussing Post Device-Independent.
Quantum cryptography
Quantum cryptography uses principles of quantum mechanics to securely distribute encryption keys between two parties. It allows Alice and Bob to detect if an eavesdropper (Eve) is trying to intercept the key during transmission. Eve's attempt to measure the quantum states used to transmit the key would introduce detectable errors. The document discusses the history and principles of quantum cryptography, including types like discrete and continuous variable QKD. It also covers desirable attributes like confidentiality and rapid key delivery, providing an example of how quantum key distribution works between Alice and Bob.
SOFROP
SOFROP: Self-Organizing and Fair Routing Protocol for Wireless Networks with Mobile Sensors and Stationary Actors
9
The document proposes a cloud-based scheme to protect source location privacy against hotspot-locating attacks in wireless sensor networks. It defines a hotspot phenomenon where a large volume of packets originate from a small area, revealing the source location. The scheme creates an irregularly shaped cloud of fake traffic to camouflage the source node and counteract inconsistencies in the traffic pattern. Clouds are only active during data transmission and intersecting clouds merge to reduce the number of fake packets and boost privacy while lowering energy costs compared to other schemes. Simulation results show it provides stronger privacy than routing-based schemes at much less energy than global adversary schemes.
An optimal algorithm for coverage hole healing
This document presents an algorithm for optimally healing coverage holes in hybrid sensor networks. The algorithm:
1. Models the problem as finding a maximum matching on a bipartite graph representing sensors and holes, where edge weights indicate remaining energy.
2. Modifies the graph to allow "cascaded movements" of active sensors to further optimize energy.
3. Works in two steps: first, it determines the minimum possible remaining energy Rmin among moving sensors; second, it finds the maximum matching on the graph after removing edges with weight less than Rmin.
Detecting proximity events in sensor networks
This document discusses detecting proximity events in sensor networks. It introduces the concept of proximity queries, which allows sensor nodes to report interesting events observed within a certain distance of each other. It describes how sensor nodes scattered in a sensor field can detect proximity events using local routing indices and transmit data along predefined or unknown paths. It addresses problems that can occur, such as wasted messages when no matching events are nearby, and presents solutions like rumor-based approaches and incrementally updating local routing indices.
Quantum cryptography a modern cryptographic security
This document provides an overview of quantum cryptography. It begins with introductions to traditional cryptography and quantum cryptography. Quantum cryptography relies on principles of quantum mechanics like the Heisenberg uncertainty principle and photon polarization to securely distribute keys. It explains that quantum key distribution is needed because secure key distribution is not possible with traditional communications, but is possible using quantum communications. The document then discusses why quantum cryptography is needed, what problem quantum key distribution solves, and that deploying quantum key distribution systems is not complex. It also outlines two types of quantum cryptography - position-based and post-quantum cryptography. Finally, it provides an example of an existing quantum network and concludes that quantum cryptography could be the first application of quantum mechanics at the single particle level
Wireless sensor networks
The document proposes a label-based secure localization scheme to defend against wormhole attacks in wireless sensor networks. It analyzes the impact of wormhole attacks on DV-Hop localization and describes a three-phase approach to label beacon and sensor nodes to identify and remove illegal connections introduced by wormholes. Simulation results show the scheme is effective at detecting wormholes and minimizing their impact on localization accuracy.
Quantum Cryptography abstract
Quantum cryptography uses properties of quantum mechanics to securely distribute encryption keys. It allows two users to generate a shared secret key with information-theoretic security. This is accomplished through quantum key distribution, which exploits the quantum mechanical principle that measuring a quantum system can disturb the system. Even if an eavesdropper has unlimited computing power, the laws of physics guarantee the security of the key exchange. The paper introduces cryptography, traditional techniques, and the differences between traditional and quantum cryptography.
Identification of Closest and Phantom Nodes in Mobile Ad Hoc Networks
There are several services that build on the availability of closest node location information like geographic routing in spontaneous networks, data gathering in sensor networks, movement coordination among autonomous robotic nodes, location specific services for hand held devices and danger warning or traffic monitoring in vehicular networks. Ad hoc networking protocols and location-aware services require that mobile nodes identify the location of their closest nodes. Such a process can be easily misuses or stop by opposed nodes. In absence of a priori trusted nodes, the spotting and identifying of closest node position presents challenges that have been scarcely investigated in the literature. Node can also send message from one to many nodes in a broadcasting manner here.
What's hot (14)
International Journal of Engineering Research and Development (IJERD)
International Journal of Engineering Research and Development (IJERD)
Dotnet detection and localization of multiple spoofing attackers in wireless...
Dotnet detection and localization of multiple spoofing attackers in wireless...
Quantum cryptography a modern cryptographic security
Quantum cryptography a modern cryptographic security
Identification of Closest and Phantom Nodes in Mobile Ad Hoc Networks
Identification of Closest and Phantom Nodes in Mobile Ad Hoc Networks
Similar to Java dynamic coverage of mobile sensor networks
wireless sensor network,mobile networking
dynamic coverage of mobile sensor networks,
this work mainly focused on network coverage area & perfect deployment.
An enhancing security for mobile sinks by providing location privacy in wsn
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
International Journal of Engineering Research and Development
Electrical, Electronics and Computer Engineering,
Information Engineering and Technology,
Mechanical, Industrial and Manufacturing Engineering,
Automation and Mechatronics Engineering,
Material and Chemical Engineering,
Civil and Architecture Engineering,
Biotechnology and Bio Engineering,
Environmental Engineering,
Petroleum and Mining Engineering,
Marine and Agriculture engineering,
Aerospace Engineering.
Intrusion detection in homogeneous and heterogeneous wireless sensor networks
This document summarizes a research paper about intrusion detection in homogeneous and heterogeneous wireless sensor networks. It discusses analyzing intrusion detection under two scenarios: single-sensor detection, where one sensor can detect an intruder, and multiple-sensor detection, where collaboration is needed. The paper analyzes detection probability with respect to intrusion distance and network parameters like node density and sensor ranges. Simulation results show heterogeneous networks with sensors of varying ranges increase detection probability over homogeneous networks.
TARGET LOCALIZATION IN WIRELESS SENSOR NETWORKS BASED ON RECEIVED SIGNAL STRE...
We consider the problem of localizing a target taking the help of a set of anchor beacon nodes. A small
number of beacon nodes are deployed at known locations in the area. The target can detect a beacon
provided it happens to lie within the beacon’s transmission range. Thus, the target obtains a measurement
vector containing the readings of the beacons: ‘1’ corresponding to a beacon if it is able to detect the
target, and ‘0’ if the beacon is not able to detect the target. The goal is twofold: to determine the location
of the target based on the binary measurement vector at the target; and to study the behaviour of the
localization uncertainty as a function of the beacon transmission range (sensing radius) and the number of
beacons deployed. Beacon transmission range means signal strength of the beacon to transmit and receive
the signals which is called as Received Signal Strength (RSS). To localize the target, we propose a gridmapping
based approach, where the readings corresponding to locations on a grid overlaid on the region
of interest are used to localize the target. To study the behaviour of the localization uncertainty as a
function of the sensing radius and number of beacons, extensive simulations and numerical experiments
are carried out. The results provide insights into the importance of optimally setting the sensing radius and
the improvement obtainable with increasing number of beacons.
Node Deployment in Homogeneous and Heterogeneous Wireless Sensor Network
Optimal sensor deployment is necessary condition in homogeneous and heterogeneous wireless sensor
network. Effective deployment of sensor nodes is a major point of concern as performance and lifetime of any
WSN. Proposed sensor deployment in WSN explore every sensor node sends its data to the nearest sink node
of the WSN. In addition to that system proposes a hexagonal cell based sensor deployment which leads to
optimal sensor deployment for both homogeneous and heterogeneous sensor deployment. Wireless sensor
networks are receiving significant concentration due to their potential applications ranging from surveillance
to tracking domains. In limited communication range, a WSN is divided into several disconnected sub-graphs
under certain conditions. We deploy sensor nodes at random locations so that it improves performance of the
network.This paper aims to study, discuss and analyze various node deployment strategies and coverage
problems for Homogeneous and Heterogeneous WSN.
MULTI-ROBOT SENSOR RELOCATION TO ENHANCE CONNECTIVITY IN A WSN
Ensuring connectivity in Wireless Sensor Networks (WSN) is a challenging issue, especially in hazardous
areas (like battlefield). Many applications of WSN require an important level of connectivity in the network
to detect a given event (like detection Intrusion) and forward it to the ”sink” node in order to alert users.
For these risky areas the deterministic deployment is not usually guaranteed and the network is composed
by a set of disconnected Islands. We present in our work two strategies to relocate sensors in order to
improve the connectivity using mobile Robots. These two solutions are called Multi-Robot Island-based
Relocation (MRIBR) and Multi-Robot Grid-Based Island-based Relocation (MRGIR). Through several
simulations, we show that MRGIR outperforms MRIBR. Our study can be used especially to make a tradeoff between the number of deployed sensors and the numbers of the used mobile robots, according to the
quality needed for the application.
Multi-Robot Sensor Relocation to Enhance Connectivity in a WSN
Ensuring connectivity in Wireless Sensor Networks (WSN) is a challenging issue, especially in hazardous
areas (like battlefield). Many applications of WSN require an important level of connectivity in the network
to detect a given event (like detection Intrusion) and forward it to the ”sink” node in order to alert users.
For these risky areas the deterministic deployment is not usually guaranteed and the network is composed
by a set of disconnected Islands. We present in our work two strategies to relocate sensors in order to
improve the connectivity using mobile Robots. These two solutions are called Multi-Robot Island-based
Relocation (MRIBR) and Multi-Robot Grid-Based Island-based Relocation (MRGIR). Through several
simulations, we show that MRGIR outperforms MRIBR. Our study can be used especially to make a tradeoff
between the number of deployed sensors and the numbers of the used mobile robots, according to the
quality needed for the application.
Multi-Robot Sensor Relocation to Enhance Connectivity in a WSN
Ensuring connectivity in Wireless Sensor Networks (WSN) is a challenging issue, especially in hazardous
areas (like battlefield). Many applications of WSN require an important level of connectivity in the network
to detect a given event (like detection Intrusion) and forward it to the ”sink” node in order to alert users.
For these risky areas the deterministic deployment is not usually guaranteed and the network is composed
by a set of disconnected Islands. We present in our work two strategies to relocate sensors in order to
improve the connectivity using mobile Robots. These two solutions are called Multi-Robot Island-based
Relocation (MRIBR) and Multi-Robot Grid-Based Island-based Relocation (MRGIR). Through several
simulations, we show that MRGIR outperforms MRIBR. Our study can be used especially to make a tradeoff
between the number of deployed sensors and the numbers of the used mobile robots, according to the
quality needed for the application.
Intrusion detection in homogeneous and heterogeneous wireless sensor networks...
This document discusses intrusion detection in homogeneous and heterogeneous wireless sensor networks. It proposes analyzing intrusion detection under two models: single-sensing detection using a single sensor and multiple-sensing detection using multiple collaborating sensors. The document finds that a heterogeneous wireless sensor network with sensors having different capabilities increases detection probability compared to a homogeneous network. It analyzes network connectivity and broadcast reachability, which are important for ensuring detection probability in wireless sensor networks.
A CUSTOMIZED FLOCKING ALGORITHM FOR SWARMS OF SENSORS TRACKING A SWARM OF TAR...
Wireless mobile sensor networks (WMSNs) are groups of mobile sensing agents with multimodal
sensing capabilities that communicate over wireless networks. WMSNs have more
flexibility in terms of deployment and exploration abilities over static sensor networks. Sensor
networks have a wide range of applications in security and surveillance systems, environmental
monitoring, data gathering for network-centric healthcare systems, monitoring seismic activities
and atmospheric events, tracking traffic congestion and air pollution levels, localization of
autonomous vehicles in intelligent transportation systems, and detecting failures of sensing,
storage, and switching components of smart grids.
Probablistic Inference With Limited Information
The document presents a probabilistic approach to answering queries in sensor networks using limited and stochastic information. It uses a Bayesian network to model the relationships between sensor measurements, enemy agent locations, and whether a friendly agent is surrounded. Approximate inference is performed using Markov Chain Monte Carlo sampling to estimate the posterior probability of being surrounded given the sensor data. Simulation results show the algorithm can effectively handle noisy sensor measurements and provide useful estimates even when direct information is limited or unavailable.
Bi24385389
This document summarizes a research paper that proposes an implementation of location monitoring services based on an anonymization algorithm. The paper describes a system architecture that uses wireless sensor nodes to monitor locations while preserving privacy. It proposes two anonymization algorithms: a resource-aware algorithm that minimizes communication costs, and a quality-aware algorithm that provides accurate locations. The resource-aware algorithm consists of three steps - a broadcast step to share location data between sensors, finding a cloaked area that maintains anonymity, and reporting aggregate location information to the server.
CONTRADICTION COMMUNICATION RANGE OF SENSOR NETWORKS
This document discusses location verification in wireless sensor networks. It describes two categories of location verification: on-spot verification and in-region verification. On-spot verification checks if a sensor's estimated location matches its true location, while in-region verification checks if a sensor is located within an application-specific region. The document proposes two lightweight algorithms, GFM and GFT, for on-spot verification using neighborhood observations. It also describes a probabilistic algorithm to compute the confidence that a sensor is inside the verification region for in-region verification. The proposed verification system can effectively verify sensor locations without relying on specialized hardware or deployment knowledge, making it suitable for low-cost wireless sensor networks.
A new secure localization approach of wireless sensor nodes in the presence o...
This paper proposes a new algorithm to find and isolate the nodes which lies about their position in a
Wireless Sensor Network (WSN). Also the proposed method enables the sensor nodes to find their location
in presence of liar nodes. In the proposed method, a given number of neighbors for all sensors is
determined wherethe number of liars is below a predefined threshold value. The proposed method is
evaluated in finding the liars and also the correct location of each node. The minimum error rate on the
determination of liars and the location of sensors proves the ability of the algorithm for localization of
sensors in the WSNs.
A NEW SECURE LOCALIZATION APPROACH OF WIRELESS SENSOR NODES INTHE PRESENCE OF...
This paper proposes a new algorithm to find and isolate the nodes which lies about their position in a
Wireless Sensor Network (WSN). Also the proposed method enables the sensor nodes to find their location
in presence of liar nodes. In the proposed method, a given number of neighbors for all sensors is
determined wherethe number of liars is below a predefined threshold value. The proposed method is
evaluated in finding the liars and also the correct location of each node. The minimum error rate on the
determination of liars and the location of sensors proves the ability of the algorithm for localization of
sensors in the WSNs
O010528791
The document analyzes the likelihood of intruder detection in wireless sensor networks (WSNs) distributed uniformly, Gaussianly, and cohesively. It finds that cohesive networks have the highest detection likelihood as sensing range increases, followed by Gaussian and uniform distributions. The detection probability is calculated for single and multiple sensor detection models under varying parameters like sensing range, number of sensors, and intrusion distance. Clustering sensors improves energy efficiency without impacting intruder detection performance.
Greedy – based Heuristic for OSC problems in Wireless Sensor Networks
This document summarizes an article about optimizing set coverage problems in wireless sensor networks. It discusses the following key points:
1) Wireless sensor networks aim to maximize network lifetime by scheduling sensors to alternate between active and sleep modes or adjusting transmission ranges. The optimize set coverage (OSC) problem aims to find a maximum number of set covers where each active sensor is connected to the base station.
2) The OSC problem is proved to be NP-complete. Integer programming and linear programming models are proposed to formulate the OSC problem.
3) Greedy-based heuristics are presented for solving the OSC problem in a centralized and distributed manner. Simulations are used to validate the performance of
Integrated Security and Attack Detection Scheme for Wireless Sensor Networks
The wireless sensor node is a tiny device that is used to capture environment information.
Sensor devices are used to capture temperature and pressure details from the environment. The
sensor devices are used in hospitals, home and production plants. The main components of a sensor
node are microcontroller, transceiver, external memory and power source. A wireless sensor network
(WSN) is a wireless network consisting of spatially distributed autonomous devices. Sensors are
used to cooperatively monitor physical or environmental conditions. Sensor network is equipped
with a radio transceiver or other wireless communications device. The sensor networks are deployed
with consideration of sensing and transmission coverage factors.
Sensor network security protocols provide confidentiality for the messages. Object location and data
sink information are the sensitive elements in the sensor network. Two techniques are used to
provide location privacy to monitored objects. They are Source-location privacy and Sink-location
privacy. Periodic collection and Source simulation models are used in Source-location privacy
technique. Sink simulation and backbone flooding models are used in Sink-location privacy
technique. Communication cost and latency factors are consider in the privacy protection model.
Source and destination location details are protected in the privacy model.
The proposed system integrates the location privacy and data security process for the wireless sensor
network. Region based query model is used to improve location privacy. Confidentiality and
integrity techniques are used for the security process. Rivest Cipher (RC4) algorithm and Secure
Hashing Algorithms (SHA) are used for the data security.
A CUSTOMIZED FLOCKING ALGORITHM FOR SWARMS OF SENSORS TRACKING A SWARM OF TAR...
Wireless mobile sensor networks (WMSNs) are groups of mobile sensing agents with multimodal sensing capabilities that communicate over wireless networks. WMSNs have more
flexibility in terms of deployment and exploration abilities over static sensor networks. Sensor networks have a wide range of applications in security and surveillance systems, environmental
monitoring, data gathering for network-centric healthcare systems, monitoring seismic activities and atmospheric events, tracking traffic congestion and air pollution levels, localization of
autonomous vehicles in intelligent transportation systems, and detecting failures of sensing, storage, and switching components of smart grids. The above applications require target tracking for processes and events of interest occurring in
an environment. Various methods and approaches have been proposed in order to track one or more targets in a pre-defined area. Usually, this turns out to be a complicated job involving
higher order mathematics coupled with artificial intelligence due to the dynamic nature of the targets. To optimize the resources we need to have an approach that works in a more traightforward manner while resulting in fairly satisfactory data. In this paper we have discussed the various cases that might arise while flocking a group of sensors to track targets in
a given environment. The approach has been developed from scratch although some basic assumptions have been made keeping in mind some previous theories. This paper outlines a
customized approach for feasibly tracking swarms of targets in a specific area so as to minimize the resources and optimize tracking efficiency.
Similar to Java dynamic coverage of mobile sensor networks (20)
An enhancing security for mobile sinks by providing location privacy in wsn
An enhancing security for mobile sinks by providing location privacy in wsn
International Journal of Engineering Research and Development
International Journal of Engineering Research and Development
Intrusion detection in homogeneous and heterogeneous wireless sensor networks
Intrusion detection in homogeneous and heterogeneous wireless sensor networks
TARGET LOCALIZATION IN WIRELESS SENSOR NETWORKS BASED ON RECEIVED SIGNAL STRE...
TARGET LOCALIZATION IN WIRELESS SENSOR NETWORKS BASED ON RECEIVED SIGNAL STRE...
Node Deployment in Homogeneous and Heterogeneous Wireless Sensor Network
Node Deployment in Homogeneous and Heterogeneous Wireless Sensor Network
MULTI-ROBOT SENSOR RELOCATION TO ENHANCE CONNECTIVITY IN A WSN
MULTI-ROBOT SENSOR RELOCATION TO ENHANCE CONNECTIVITY IN A WSN
Multi-Robot Sensor Relocation to Enhance Connectivity in a WSN
Multi-Robot Sensor Relocation to Enhance Connectivity in a WSN
Multi-Robot Sensor Relocation to Enhance Connectivity in a WSN
Multi-Robot Sensor Relocation to Enhance Connectivity in a WSN
Intrusion detection in homogeneous and heterogeneous wireless sensor networks...
Intrusion detection in homogeneous and heterogeneous wireless sensor networks...
A CUSTOMIZED FLOCKING ALGORITHM FOR SWARMS OF SENSORS TRACKING A SWARM OF TAR...
A CUSTOMIZED FLOCKING ALGORITHM FOR SWARMS OF SENSORS TRACKING A SWARM OF TAR...
CONTRADICTION COMMUNICATION RANGE OF SENSOR NETWORKS
CONTRADICTION COMMUNICATION RANGE OF SENSOR NETWORKS
A new secure localization approach of wireless sensor nodes in the presence o...
A new secure localization approach of wireless sensor nodes in the presence o...
A NEW SECURE LOCALIZATION APPROACH OF WIRELESS SENSOR NODES INTHE PRESENCE OF...
A NEW SECURE LOCALIZATION APPROACH OF WIRELESS SENSOR NODES INTHE PRESENCE OF...
Greedy – based Heuristic for OSC problems in Wireless Sensor Networks
Greedy – based Heuristic for OSC problems in Wireless Sensor Networks
Integrated Security and Attack Detection Scheme for Wireless Sensor Networks
Integrated Security and Attack Detection Scheme for Wireless Sensor Networks
A CUSTOMIZED FLOCKING ALGORITHM FOR SWARMS OF SENSORS TRACKING A SWARM OF TAR...
A CUSTOMIZED FLOCKING ALGORITHM FOR SWARMS OF SENSORS TRACKING A SWARM OF TAR...
More from ecwayerode
Triaxial accelerometer based fall detection method using a self-constructing ...
The document proposes a cascade-AdaBoost support vector machine (SVM) classifier to complete a triaxial accelerometer-based fall detection method. The method uses acceleration signals from daily activity data to calculate feature values from a sliding window as input vectors. The cascade-AdaBoost-SVM algorithm then self-constructs based on the training vectors, with each AdaBoost layer selecting optimal weak classifiers to form a strong classifier, accelerating testing processing speed by only using selected features. Experimental results using data from ankle, chest, and waist accelerometers showed the proposed method achieved the highest accuracy, detection rate, and lowest false alarm rate compared to other classifiers.
Smart host microcontroller for optimal battery charging in a solar powered ro...
This paper proposes a smart host microcontroller for optimal battery charging in a solar-powered robotic vehicle. It presents a solar tracking mechanism to increase power collection regardless of the rover's mobility. It also proposes a design with two batteries - one charges independently while the other powers the rover, completing charging of the first battery. The proposed system was tested on a robotic exploration vehicle. It discusses existing solar power systems on rovers and inspiration from NASA designs. The hardware and software requirements are outlined, along with a block diagram of the proposed system.
Remote control system of high efficiency and intelligent street lighting usin...
This document proposes a remote-controlled street lighting system using a Zigbee wireless network and sensors. It aims to optimize management and efficiency by allowing control and monitoring of street lamps from a central terminal. Sensors would detect light levels and human movement to automatically control the lamps. Information is transmitted using Zigbee devices to reduce energy waste and human effort compared to existing constant lighting systems. The proposed system includes a microcontroller, Zigbee modules, sensors, and software to allow wireless remote operation and monitoring of street lights.
Remote monitoring system of ecg and body temperature signals
This document presents a remote monitoring system that acquires electrocardiographic (ECG) and body temperature signals using a hardware module. The signals are transmitted via Bluetooth to a displaying module like a PC or mobile device. The information is then sent through IP (GPRS or Wi-Fi) to a database server containing clinical data, which can be accessed through a web application. The system was tested on different patients with a doctor and showed positive performance.
Reduce the standby power consumption of a microwave oven
This document proposes a circuit design to reduce the standby power consumption of a touch panel microwave oven. Most microwaves currently consume 1-3W of power when plugged in but turned off due to components like clocks and microcontrollers. The proposed design uses a current sensor to detect when no current is being used and automatically switches off power, reducing standby consumption to just 3mW. This approach requires fewer components than existing home energy management systems and is inexpensive and easy to implement in future microwave oven models to significantly reduce unnecessary energy usage.
Low power wireless sensor network for building monitoring
A wireless sensor network is proposed to monitor buildings using strain and acceleration sensors to assess earthquake damage. Sensors are mounted at the base and on each floor to measure settlement, structural response, and seismic activity. The sensors communicate wirelessly using a low power 900MHz network and can operate for up to 12 years on batteries. Acceleration data is transmitted during quakes and used by the base station to remotely trigger recording at other sensor locations across the building.
Land use classification using taxi gps traces
This paper discusses using taxi GPS data to classify urban land use into categories. It finds pickup and drop-off patterns from taxi data correspond to land use types. Using six features of these patterns, it can recognize land use categories with 95% accuracy. The results also identify areas that changed land use and reveal unusual social events. Pickup/drop-off dynamics further reflect the extent an area is used for a particular land use class.
Intelligent household led lighting system considering energy efficiency and u...
The document proposes an intelligent household LED lighting system that considers both energy efficiency and user satisfaction. It utilizes multi-sensors and wireless communication technology to control LED lights based on the user's state and surroundings. The system can autonomously adjust the minimum light intensity to both save energy and enhance user experience. Testing showed the proposed system reduced total power consumption by up to 21.9% compared to existing lighting systems.
Energy efficient wireless mac protocolsfor railway monitoring applications
The document proposes two new energy-efficient medium access control (MAC) protocols for wireless sensor networks used in railway monitoring applications. The protocols aim to minimize idle time during data transmission to improve energy efficiency for sensors with limited battery power. Both analytical and simulation results are presented showing the proposed protocols, EA-TDMA and E-BMA, achieve better energy efficiency than existing TDMA and BMA protocols. The protocols could enable monitoring of train health, track conditions and detect issues to improve railway safety.
Design of an embedded speech centric interface for applications in handheld t...
This document proposes designing an embedded speech-centric interface for applications on handheld terminals. Existing systems require physical interaction that can be difficult for disabled users, but a speech interface could allow control of applications and home appliances with just voice commands. The proposed system would allow disabled people to control home networks and appliances through speech without needing to physically switch boards or devices.
Design and evaluation of a haptic computer assistant for tele-manipulation tasks
This paper introduces a computer-assisted tele-operation system to improve task performance for remote manipulation tasks. The system shares control between a human operator and computer assistance. It uses two units: an action recognition unit that can evaluate haptic data at high sampling rates and handle changes from assistance, and an assistance unit that provides context-specific help. The system is evaluated on a hard drive repair task, with the action recognition achieving 65% accuracy. A user study found the assisted system significantly reduced human effort and risk of damage compared to an unassisted one.
Automatic road crack detection and characterization
This document proposes a system for the automatic detection and characterization of cracks in road surfaces using image analysis techniques. The system detects cracks in images through unsupervised learning and classifies image blocks as containing cracks or not. It then characterizes the detected cracks by type according to a standard catalog and estimates crack widths. The system was tested on images of Portuguese roads and showed promising results for automated crack detection and characterization compared to manual expert labeling.
Automatic calibration method for driver’s head orientation and eye movements ...
The document describes an automatic calibration method for determining a driver's head orientation and eye movements in natural driving environments using a single camera. A self-learning algorithm tracks the head and eyes and categorizes poses and movements. A particle filter estimates the head pose to obtain an accurate gaze zone by updating calibration parameters. Experimental results showed the automatic calibration method achieved the same accuracy as manual calibration after several hours of driving, with a mean eye gaze error of less than 5 degrees in day and night conditions.
An embedded systems laboratory to support rapid prototyping of robotics and t...
This document describes a new laboratory approach for teaching robotics and Internet of Things development using a low-cost 32-bit microcontroller module. Students use a cloud-based compiler and develop software that can be accessed from any web browser. Breadboards are used to rapidly prototype robots and embedded devices using breakout boards with sensors, displays, and I/O connectors. Resources provided to students include eBooks, lab assignments, and documentation on sample code.
Accessible display design to control home area networks
This document proposes an accessible display design to control home area networks for people with disabilities. The design was implemented on a tablet that can control domestic devices through a home network controller prototype. Interviews with disabled people in Brazil evaluated the design and identified main requirements across different impairments. The existing system requires physical effort to control home networks, while the proposed system allows control via smartphone from anywhere using less power.
A virtual touch event method using scene recognition for digital television
This document proposes a method to operate applications designed for touchscreens on televisions using an infrared remote control. The method maps keystrokes on the remote control to virtual touch events, like taps and swipes, according to scene recognition algorithms. When an application is running, its current scene is identified and the corresponding mapping relationship is acquired to translate remote control inputs into touch inputs. This allows applications to be used on televisions without rewriting code or adding new hardware. The method was tested on a smart TV and introduced negligible input delay of less than one millisecond.
A robot that approaches pedestrians
A robot is proposed that can proactively approach pedestrians to initiate interactions for services. The robot uses public and social distance zones to choose targets that are not busy and can be approached frontally. It coordinates its body orientation and timely responses based on the person's reaction. Testing in a shopping mall showed the proposed approach technique was more successful than a simple method, with success rates of 55.9% versus 35.1% respectively.
Changes in the correlation between eye and steering movements indicate driver...
The document discusses using changes in the correlation between a driver's eye movements and steering movements to detect distraction. Drivers performed tasks in a simulator while eye and steering data were collected. The study found that even the weak correlation between eyes and steering during normal road scanning is sensitive to distraction. The time lag between eye and steering movements and the strength of their correlation changed with visual, cognitive, and combined distractions, demonstrating that eye-steering correlation statistics can detect distraction and differentiate between distraction types.
Towards the implementation of io t for environmental condition monitoring in ...
1. The document discusses implementing an Internet of Things (IoT) system for monitoring environmental conditions in homes using low-cost smart sensors.
2. It describes the integrated network architecture that allows sensors to reliably measure parameters and transmit data via the internet.
3. Test results showed the sensing information transmission reliability through the proposed network was 97%.
Design and fabrication of pneumatic reciprocating water pumping system
Ecway Technologies provides engineering projects and software development services from its offices across multiple cities in India. One project is a pneumatic reciprocating water pumping system that uses compressed air and a pneumatic cylinder to pump water with very little electric power needed. The system includes a water tank, non-return valve, pneumatic cylinder, control unit, solenoid valve, and is designed to pump water as needed for industrial lubrication applications requiring minimal manpower and electric power.
More from ecwayerode (20)
Triaxial accelerometer based fall detection method using a self-constructing ...
Triaxial accelerometer based fall detection method using a self-constructing ...
Smart host microcontroller for optimal battery charging in a solar powered ro...
Smart host microcontroller for optimal battery charging in a solar powered ro...
Remote control system of high efficiency and intelligent street lighting usin...
Remote control system of high efficiency and intelligent street lighting usin...
Remote monitoring system of ecg and body temperature signals
Remote monitoring system of ecg and body temperature signals
Reduce the standby power consumption of a microwave oven
Reduce the standby power consumption of a microwave oven
Low power wireless sensor network for building monitoring
Low power wireless sensor network for building monitoring
Intelligent household led lighting system considering energy efficiency and u...
Intelligent household led lighting system considering energy efficiency and u...
Energy efficient wireless mac protocolsfor railway monitoring applications
Energy efficient wireless mac protocolsfor railway monitoring applications
Design of an embedded speech centric interface for applications in handheld t...
Design of an embedded speech centric interface for applications in handheld t...
Design and evaluation of a haptic computer assistant for tele-manipulation tasks
Design and evaluation of a haptic computer assistant for tele-manipulation tasks
Automatic road crack detection and characterization
Automatic road crack detection and characterization
Automatic calibration method for driver’s head orientation and eye movements ...
Automatic calibration method for driver’s head orientation and eye movements ...
An embedded systems laboratory to support rapid prototyping of robotics and t...
An embedded systems laboratory to support rapid prototyping of robotics and t...
Accessible display design to control home area networks
Accessible display design to control home area networks
A virtual touch event method using scene recognition for digital television
A virtual touch event method using scene recognition for digital television
Changes in the correlation between eye and steering movements indicate driver...
Changes in the correlation between eye and steering movements indicate driver...
Towards the implementation of io t for environmental condition monitoring in ...
Towards the implementation of io t for environmental condition monitoring in ...
Design and fabrication of pneumatic reciprocating water pumping system
Design and fabrication of pneumatic reciprocating water pumping system
Recently uploaded
How to Download & Install Module From the Odoo App Store in Odoo 17
Custom modules offer the flexibility to extend Odoo's capabilities, address unique requirements, and optimize workflows to align seamlessly with your organization's processes. By leveraging custom modules, businesses can unlock greater efficiency, productivity, and innovation, empowering them to stay competitive in today's dynamic market landscape. In this tutorial, we'll guide you step by step on how to easily download and install modules from the Odoo App Store.
skeleton System.pdf (skeleton system wow)
🔥🔥🔥🔥🔥🔥🔥🔥🔥
إضغ بين إيديكم من أقوى الملازم التي صممتها
ملزمة تشريح الجهاز الهيكلي (نظري 3)
💀💀💀💀💀💀💀💀💀💀
تتميز هذهِ الملزمة بعِدة مُميزات :
1- مُترجمة ترجمة تُناسب جميع المستويات
2- تحتوي على 78 رسم توضيحي لكل كلمة موجودة بالملزمة (لكل كلمة !!!!)
#فهم_ماكو_درخ
3- دقة الكتابة والصور عالية جداً جداً جداً
4- هُنالك بعض المعلومات تم توضيحها بشكل تفصيلي جداً (تُعتبر لدى الطالب أو الطالبة بإنها معلومات مُبهمة ومع ذلك تم توضيح هذهِ المعلومات المُبهمة بشكل تفصيلي جداً
5- الملزمة تشرح نفسها ب نفسها بس تكلك تعال اقراني
6- تحتوي الملزمة في اول سلايد على خارطة تتضمن جميع تفرُعات معلومات الجهاز الهيكلي المذكورة في هذهِ الملزمة
واخيراً هذهِ الملزمة حلالٌ عليكم وإتمنى منكم إن تدعولي بالخير والصحة والعافية فقط
كل التوفيق زملائي وزميلاتي ، زميلكم محمد الذهبي 💊💊
🔥🔥🔥🔥🔥🔥🔥🔥🔥
How to Predict Vendor Bill Product in Odoo 17
This slide will guide us through the process of predicting vendor bill products based on previous purchases from the vendor in Odoo 17.
Temple of Asclepius in Thrace. Excavation results
The temple and the sanctuary around were dedicated to Asklepios Zmidrenus. This name has been known since 1875 when an inscription dedicated to him was discovered in Rome. The inscription is dated in 227 AD and was left by soldiers originating from the city of Philippopolis (modern Plovdiv).
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...Nguyen Thanh Tu Collection
https://app.box.com/s/tacvl9ekroe9hqupdnjruiypvm9rdaneCHUYÊN ĐỀ ÔN TẬP VÀ PHÁT TRIỂN CÂU HỎI TRONG ĐỀ MINH HỌA THI TỐT NGHIỆP THPT ...
CHUYÊN ĐỀ ÔN TẬP VÀ PHÁT TRIỂN CÂU HỎI TRONG ĐỀ MINH HỌA THI TỐT NGHIỆP THPT ...Nguyen Thanh Tu Collection
https://app.box.com/s/qspvswamcohjtbvbbhjad04lg65waylfTHE SACRIFICE HOW PRO-PALESTINE PROTESTS STUDENTS ARE SACRIFICING TO CHANGE T...
The recent surge in pro-Palestine student activism has prompted significant responses from universities, ranging from negotiations and divestment commitments to increased transparency about investments in companies supporting the war on Gaza. This activism has led to the cessation of student encampments but also highlighted the substantial sacrifices made by students, including academic disruptions and personal risks. The primary drivers of these protests are poor university administration, lack of transparency, and inadequate communication between officials and students. This study examines the profound emotional, psychological, and professional impacts on students engaged in pro-Palestine protests, focusing on Generation Z's (Gen-Z) activism dynamics. This paper explores the significant sacrifices made by these students and even the professors supporting the pro-Palestine movement, with a focus on recent global movements. Through an in-depth analysis of printed and electronic media, the study examines the impacts of these sacrifices on the academic and personal lives of those involved. The paper highlights examples from various universities, demonstrating student activism's long-term and short-term effects, including disciplinary actions, social backlash, and career implications. The researchers also explore the broader implications of student sacrifices. The findings reveal that these sacrifices are driven by a profound commitment to justice and human rights, and are influenced by the increasing availability of information, peer interactions, and personal convictions. The study also discusses the broader implications of this activism, comparing it to historical precedents and assessing its potential to influence policy and public opinion. The emotional and psychological toll on student activists is significant, but their sense of purpose and community support mitigates some of these challenges. However, the researchers call for acknowledging the broader Impact of these sacrifices on the future global movement of FreePalestine.
Elevate Your Nonprofit's Online Presence_ A Guide to Effective SEO Strategies...
Whether you're new to SEO or looking to refine your existing strategies, this webinar will provide you with actionable insights and practical tips to elevate your nonprofit's online presence.
مصحف القراءات العشر أعد أحرف الخلاف سمير بسيوني.pdf
مصحف أحرف الخلاف للقراء العشرةأعد أحرف الخلاف بالتلوين وصلا سمير بسيوني غفر الله له
How Barcodes Can Be Leveraged Within Odoo 17
In this presentation, we will explore how barcodes can be leveraged within Odoo 17 to streamline our manufacturing processes. We will cover the configuration steps, how to utilize barcodes in different manufacturing scenarios, and the overall benefits of implementing this technology.
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
Practical manual for National Examination Council, Nigeria.
Contains guides on answering questions on the specimens provided
NIPER 2024 MEMORY BASED QUESTIONS.ANSWERS TO NIPER 2024 QUESTIONS.NIPER JEE 2...
NIPER JEE PYQ
NIPER JEE QUESTIONS
MOST FREQUENTLY ASK QUESTIONS
NIPER MEMORY BASED QUWSTIONS
Andreas Schleicher presents PISA 2022 Volume III - Creative Thinking - 18 Jun...
Andreas Schleicher, Director of Education and Skills at the OECD presents at the launch of PISA 2022 Volume III - Creative Minds, Creative Schools on 18 June 2024.
Recently uploaded (20)
How to Download & Install Module From the Odoo App Store in Odoo 17
How to Download & Install Module From the Odoo App Store in Odoo 17
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
CHUYÊN ĐỀ ÔN TẬP VÀ PHÁT TRIỂN CÂU HỎI TRONG ĐỀ MINH HỌA THI TỐT NGHIỆP THPT ...
CHUYÊN ĐỀ ÔN TẬP VÀ PHÁT TRIỂN CÂU HỎI TRONG ĐỀ MINH HỌA THI TỐT NGHIỆP THPT ...
THE SACRIFICE HOW PRO-PALESTINE PROTESTS STUDENTS ARE SACRIFICING TO CHANGE T...
THE SACRIFICE HOW PRO-PALESTINE PROTESTS STUDENTS ARE SACRIFICING TO CHANGE T...
Elevate Your Nonprofit's Online Presence_ A Guide to Effective SEO Strategies...
Elevate Your Nonprofit's Online Presence_ A Guide to Effective SEO Strategies...
مصحف القراءات العشر أعد أحرف الخلاف سمير بسيوني.pdf
مصحف القراءات العشر أعد أحرف الخلاف سمير بسيوني.pdf
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
NIPER 2024 MEMORY BASED QUESTIONS.ANSWERS TO NIPER 2024 QUESTIONS.NIPER JEE 2...
NIPER 2024 MEMORY BASED QUESTIONS.ANSWERS TO NIPER 2024 QUESTIONS.NIPER JEE 2...
SWOT analysis in the project Keeping the Memory @live.pptx
SWOT analysis in the project Keeping the Memory @live.pptx
Andreas Schleicher presents PISA 2022 Volume III - Creative Thinking - 18 Jun...
Andreas Schleicher presents PISA 2022 Volume III - Creative Thinking - 18 Jun...
NEWSPAPERS - QUESTION 1 - REVISION POWERPOINT.pptx
NEWSPAPERS - QUESTION 1 - REVISION POWERPOINT.pptx
Java dynamic coverage of mobile sensor networks
- 1. DYNAMIC COVERAGE OF MOBILE SENSOR NETWORKS ABSTRACT: We study the dynamic aspects of the coverage of a mobile sensor network resulting from continuous movement of sensors. As sensors move around, initially uncovered locations may be covered at a later time, and intruders that might never be detected in a stationary sensor network can now be detected by moving sensors. However, this improvement in coverage is achieved at the cost that a location is covered only part of the time, alternating between covered and not covered. We characterize area coverage at specific time instants and during time intervals, as well as the time durations that a location is covered and uncovered. We further consider the time it takes to detect a randomly located intruder and prove that the detection time is exponentially distributed with parameter 2λrvs where λ represents the sensor density, r represents the sensor's sensing range, and vs denotes the average sensor speed. For mobile intruders, we take a game theoretic approach and derive optimal mobility strategies for both sensors and intruders. We prove that the optimal sensor strategy is to choose their directions uniformly at random between (0, 2π). The optimal intruder strategy is to remain stationary. This solution represents a mixed strategy which is a Nash equilibrium of the zero-sum game between mobile sensors and intruders. ECWAY TECHNOLOGIES IEEE PROJECTS & SOFTWARE DEVELOPMENTS OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE CELL: +91 98949 17187, +91 875487 2111 / 3111 / 4111 / 5111 / 6111 VISIT: www.ecwayprojects.com MAIL TO: ecwaytechnologies@gmail.com