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A Review on Cooperative Communication Protocols in Wireless World ijwmn
Future generations of cellular communications requires higher data rates and a more reliable
transmission link with the growth of multimedia services, while keeping satisfactory quality of service, .
MIMO antenna systems have been considered as an efficient approach to address these demands by
offering significant multiplexing and diversity gains over single antenna systems without increasing
bandwidth and power. Although MIMO systems can unfold their huge benefit in cellular base stations,
but they may face limitations when it comes to their deployment in mobile handsets.
To overcome this drawback, relays (fixed or mobile terminals) can cooperate to improve the overall
system performance in cellular networks. Cooperative communications can efficiently combat the severity
of fading and shadowing through the assistance of relays. It has been found that using relays the capacity
and coverage of cellular networks can be extended without increasing mobile transmit power or
demanding extra bandwidth.
A Review on Cooperative Communication Protocols in Wireless World ijwmn
Future generations of cellular communications requires higher data rates and a more reliable
transmission link with the growth of multimedia services, while keeping satisfactory quality of service, .
MIMO antenna systems have been considered as an efficient approach to address these demands by
offering significant multiplexing and diversity gains over single antenna systems without increasing
bandwidth and power. Although MIMO systems can unfold their huge benefit in cellular base stations,
but they may face limitations when it comes to their deployment in mobile handsets.
To overcome this drawback, relays (fixed or mobile terminals) can cooperate to improve the overall
system performance in cellular networks. Cooperative communications can efficiently combat the severity
of fading and shadowing through the assistance of relays. It has been found that using relays the capacity
and coverage of cellular networks can be extended without increasing mobile transmit power or
demanding extra bandwidth.
GAME THEORY BASED INTERFERENCE CONTROL AND POWER CONTROL FOR D2D COMMUNICATIO...IJCNCJournal
With the current development of mobile communication services, people need personal communication of
high speed, excellent service, high quality and low latency,however, limited spectrum resources become
the most important factor to hamper improvement of cellular systems. As big amount of data traffic will
cause greater local consumption of spectrum resources, future networks are required to have appropriate
techniques to better support such forms of communication. D2D (Device-to-device) communication
technology in a cellular network makes full use of spectrum resources underlaying, reduces the load of the
base station, minimizes transmit power of the terminals and the base stations, thereby enhances the overall
throughput of the networks. Due to the use of multiplexing D2D UE (User equipment) resources and
spectrum, and the interference caused by the sharing of resources between adjacent cells, it has become a
major factor affecting coexisting of cellular subscribers and D2D users. When D2D communication
multiplexes the uplink resources, the base-stations are easily to be disturbed; when the downlink resources
are multiplexed, the users of downlink are susceptible to interference. In order to build a high-efficient
mobile network, we can meet the QoS requirements by controlling the power to suppress the interference
between the base station and a terminal user.
These are the notes on mobile computing for Dr. B.A.M University Aurangabad, Maharashtra by Former faculty in PES Engineering College Aurangabad Prof. Nitin S Ujgare
MOBILE COMPUTING INTRODUCTION-CHARACTERISTICS-APPLICATION OF MOBILE COMPUTING-WIRELESS COMMUNICATION VERSUS MOBILE COMPUTING-WIRELESS COMMUNICATION-ADVANTAGES AND DISADVANTAGES OF MOBILE COMPUTING
CompTIA exam study guide presentations by instructor Brian Ferrill, PACE-IT (Progressive, Accelerated Certifications for Employment in Information Technology)
"Funded by the Department of Labor, Employment and Training Administration, Grant #TC-23745-12-60-A-53"
Learn more about the PACE-IT Online program: www.edcc.edu/pace-it
IOSR Journal of Computer Engineering (IOSR-JCE) is a double blind peer reviewed International Journal that provides rapid publication (within a month) of articles in all areas of computer engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in computer technology. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
GAME THEORY BASED INTERFERENCE CONTROL AND POWER CONTROL FOR D2D COMMUNICATIO...IJCNCJournal
With the current development of mobile communication services, people need personal communication of
high speed, excellent service, high quality and low latency,however, limited spectrum resources become
the most important factor to hamper improvement of cellular systems. As big amount of data traffic will
cause greater local consumption of spectrum resources, future networks are required to have appropriate
techniques to better support such forms of communication. D2D (Device-to-device) communication
technology in a cellular network makes full use of spectrum resources underlaying, reduces the load of the
base station, minimizes transmit power of the terminals and the base stations, thereby enhances the overall
throughput of the networks. Due to the use of multiplexing D2D UE (User equipment) resources and
spectrum, and the interference caused by the sharing of resources between adjacent cells, it has become a
major factor affecting coexisting of cellular subscribers and D2D users. When D2D communication
multiplexes the uplink resources, the base-stations are easily to be disturbed; when the downlink resources
are multiplexed, the users of downlink are susceptible to interference. In order to build a high-efficient
mobile network, we can meet the QoS requirements by controlling the power to suppress the interference
between the base station and a terminal user.
These are the notes on mobile computing for Dr. B.A.M University Aurangabad, Maharashtra by Former faculty in PES Engineering College Aurangabad Prof. Nitin S Ujgare
MOBILE COMPUTING INTRODUCTION-CHARACTERISTICS-APPLICATION OF MOBILE COMPUTING-WIRELESS COMMUNICATION VERSUS MOBILE COMPUTING-WIRELESS COMMUNICATION-ADVANTAGES AND DISADVANTAGES OF MOBILE COMPUTING
CompTIA exam study guide presentations by instructor Brian Ferrill, PACE-IT (Progressive, Accelerated Certifications for Employment in Information Technology)
"Funded by the Department of Labor, Employment and Training Administration, Grant #TC-23745-12-60-A-53"
Learn more about the PACE-IT Online program: www.edcc.edu/pace-it
IOSR Journal of Computer Engineering (IOSR-JCE) is a double blind peer reviewed International Journal that provides rapid publication (within a month) of articles in all areas of computer engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in computer technology. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
A Cooperative Approach to Extend Cellular Coverage via D2D Architecture based...IJCNCJournal
The access part of all cellular network’s generation suffers from common concerns related to dead spots (zones that are not covered by the network) and hot spots (zones where the number of users is higher compared to network resources). During the last decade, lots of research proposals have tried to overcome cellular problems through multi-hop D2D architecture, which is a new paradigm allowing the direct communication between devices in cellular network to enhance network performances and improve user QoS. In this paper, we propose a multi-hop D2D architecture based on the OLSR protocol to extend cellular coverage. Cell-OLSR, which is the proposed adaptation of OLSR for our architecture, allows the exchange of cellular parameters between nodes to choose the best proxy device to forward data to the cellular base station (BS).
Comparative Study of Optic Fibre and Wireless Technologies in Internet Connec...Editor IJCATR
Most of the activities going on in the world today demand information and data sharing in one form or the other.
Consequently, the Internet and its connectivity has gradually become a household concern. The connection to the Internet requires
physical transfer of signal (data/information) from one point to another. This can either be through physical medium (wire) or through
the air (wireless). This paper a comparative study of Fiber Optics and Wireless Technologies in Internet connectivity seeks to identify
which of the two technologies is better for signal transmission in terms of bandwidth utilization, performance, reliability, cost
effectiveness, resilience, and security. The study adopted the use of secondary sources for the sourcing of materials. A lot of journal
articles, research publications, testbooks, white papers and many more were critically studies and comparatively analysed. It was clear
that both media have hitches and challenges. The study showed that although initial cost of acquisition is an inhibitive factor for fibre
optic connection, unlimited bandwidth delivery and high Quality of Service (QoS) placed Fiber optics above wireless connectivity in
their overall performance.
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(Prefer mailing. Call in emergency )
Most universities are already implementing wired and wireless network that is used to access integrated information systems and the Internet. At present, it is important to do research on the influence of the broadcasting system through the access point for video transmitter learning in the university area. At every university computer network through the access point must also use the cable in its implementation. These networks require cables that will connect and transmit data from one computer to another computer. While wireless networks of computers connected through radio waves. This research will be a test or assessment of how the influence of the network using the WLAN access point for video broadcasting means learning from the server to the client. Instructional video broadcasting from the server to the client via the access point will be used for video broadcasting means of learning. This study aims to understand how to build a wireless network by using an access point. It also builds a computer server as instructional videos, supporting software that can be used for video server that will be emitted by broadcasting via the access point and establish a system of transmitting video from the server to the client via the access point.
Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
The publishing industry has been selling digital audiobooks and ebooks for over a decade and has found its groove. What’s changed? What has stayed the same? Where do we go from here? Join a group of leading sales peers from across the industry for a conversation about the lessons learned since the popularization of digital books, best practices, digital book supply chain management, and more.
Link to video recording: https://bnctechforum.ca/sessions/selling-digital-books-in-2024-insights-from-industry-leaders/
Presented by BookNet Canada on May 28, 2024, with support from the Department of Canadian Heritage.
Observability Concepts EVERY Developer Should Know -- DeveloperWeek Europe.pdfPaige Cruz
Monitoring and observability aren’t traditionally found in software curriculums and many of us cobble this knowledge together from whatever vendor or ecosystem we were first introduced to and whatever is a part of your current company’s observability stack.
While the dev and ops silo continues to crumble….many organizations still relegate monitoring & observability as the purview of ops, infra and SRE teams. This is a mistake - achieving a highly observable system requires collaboration up and down the stack.
I, a former op, would like to extend an invitation to all application developers to join the observability party will share these foundational concepts to build on:
Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
Encryption in Microsoft 365 - ExpertsLive Netherlands 2024Albert Hoitingh
In this session I delve into the encryption technology used in Microsoft 365 and Microsoft Purview. Including the concepts of Customer Key and Double Key Encryption.
UiPath Test Automation using UiPath Test Suite series, part 4DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 4. In this session, we will cover Test Manager overview along with SAP heatmap.
The UiPath Test Manager overview with SAP heatmap webinar offers a concise yet comprehensive exploration of the role of a Test Manager within SAP environments, coupled with the utilization of heatmaps for effective testing strategies.
Participants will gain insights into the responsibilities, challenges, and best practices associated with test management in SAP projects. Additionally, the webinar delves into the significance of heatmaps as a visual aid for identifying testing priorities, areas of risk, and resource allocation within SAP landscapes. Through this session, attendees can expect to enhance their understanding of test management principles while learning practical approaches to optimize testing processes in SAP environments using heatmap visualization techniques
What will you get from this session?
1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
Topics covered:
Execution from the test manager
Orchestrator execution result
Defect reporting
SAP heatmap example with demo
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
State of ICS and IoT Cyber Threat Landscape Report 2024 previewPrayukth K V
The IoT and OT threat landscape report has been prepared by the Threat Research Team at Sectrio using data from Sectrio, cyber threat intelligence farming facilities spread across over 85 cities around the world. In addition, Sectrio also runs AI-based advanced threat and payload engagement facilities that serve as sinks to attract and engage sophisticated threat actors, and newer malware including new variants and latent threats that are at an earlier stage of development.
The latest edition of the OT/ICS and IoT security Threat Landscape Report 2024 also covers:
State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
Global APT activity, AI usage, actor and tactic profiles, and implications
Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
Expansion of bot farms – how, where, and why
In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
Why are attacks on smart factories rising?
Cyber risk predictions
Axis of attacks – Europe
Systemic attacks in the Middle East
Download the full report from here:
https://sectrio.com/resources/ot-threat-landscape-reports/sectrio-releases-ot-ics-and-iot-security-threat-landscape-report-2024/
DevOps and Testing slides at DASA ConnectKari Kakkonen
My and Rik Marselis slides at 30.5.2024 DASA Connect conference. We discuss about what is testing, then what is agile testing and finally what is Testing in DevOps. Finally we had lovely workshop with the participants trying to find out different ways to think about quality and testing in different parts of the DevOps infinity loop.
Dev Dives: Train smarter, not harder – active learning and UiPath LLMs for do...UiPathCommunity
💥 Speed, accuracy, and scaling – discover the superpowers of GenAI in action with UiPath Document Understanding and Communications Mining™:
See how to accelerate model training and optimize model performance with active learning
Learn about the latest enhancements to out-of-the-box document processing – with little to no training required
Get an exclusive demo of the new family of UiPath LLMs – GenAI models specialized for processing different types of documents and messages
This is a hands-on session specifically designed for automation developers and AI enthusiasts seeking to enhance their knowledge in leveraging the latest intelligent document processing capabilities offered by UiPath.
Speakers:
👨🏫 Andras Palfi, Senior Product Manager, UiPath
👩🏫 Lenka Dulovicova, Product Program Manager, UiPath
Securing your Kubernetes cluster_ a step-by-step guide to success !KatiaHIMEUR1
Today, after several years of existence, an extremely active community and an ultra-dynamic ecosystem, Kubernetes has established itself as the de facto standard in container orchestration. Thanks to a wide range of managed services, it has never been so easy to set up a ready-to-use Kubernetes cluster.
However, this ease of use means that the subject of security in Kubernetes is often left for later, or even neglected. This exposes companies to significant risks.
In this talk, I'll show you step-by-step how to secure your Kubernetes cluster for greater peace of mind and reliability.
Essentials of Automations: Optimizing FME Workflows with ParametersSafe Software
Are you looking to streamline your workflows and boost your projects’ efficiency? Do you find yourself searching for ways to add flexibility and control over your FME workflows? If so, you’re in the right place.
Join us for an insightful dive into the world of FME parameters, a critical element in optimizing workflow efficiency. This webinar marks the beginning of our three-part “Essentials of Automation” series. This first webinar is designed to equip you with the knowledge and skills to utilize parameters effectively: enhancing the flexibility, maintainability, and user control of your FME projects.
Here’s what you’ll gain:
- Essentials of FME Parameters: Understand the pivotal role of parameters, including Reader/Writer, Transformer, User, and FME Flow categories. Discover how they are the key to unlocking automation and optimization within your workflows.
- Practical Applications in FME Form: Delve into key user parameter types including choice, connections, and file URLs. Allow users to control how a workflow runs, making your workflows more reusable. Learn to import values and deliver the best user experience for your workflows while enhancing accuracy.
- Optimization Strategies in FME Flow: Explore the creation and strategic deployment of parameters in FME Flow, including the use of deployment and geometry parameters, to maximize workflow efficiency.
- Pro Tips for Success: Gain insights on parameterizing connections and leveraging new features like Conditional Visibility for clarity and simplicity.
We’ll wrap up with a glimpse into future webinars, followed by a Q&A session to address your specific questions surrounding this topic.
Don’t miss this opportunity to elevate your FME expertise and drive your projects to new heights of efficiency.
Elevating Tactical DDD Patterns Through Object CalisthenicsDorra BARTAGUIZ
After immersing yourself in the blue book and its red counterpart, attending DDD-focused conferences, and applying tactical patterns, you're left with a crucial question: How do I ensure my design is effective? Tactical patterns within Domain-Driven Design (DDD) serve as guiding principles for creating clear and manageable domain models. However, achieving success with these patterns requires additional guidance. Interestingly, we've observed that a set of constraints initially designed for training purposes remarkably aligns with effective pattern implementation, offering a more ‘mechanical’ approach. Let's explore together how Object Calisthenics can elevate the design of your tactical DDD patterns, offering concrete help for those venturing into DDD for the first time!
Builder.ai Founder Sachin Dev Duggal's Strategic Approach to Create an Innova...Ramesh Iyer
In today's fast-changing business world, Companies that adapt and embrace new ideas often need help to keep up with the competition. However, fostering a culture of innovation takes much work. It takes vision, leadership and willingness to take risks in the right proportion. Sachin Dev Duggal, co-founder of Builder.ai, has perfected the art of this balance, creating a company culture where creativity and growth are nurtured at each stage.
A tale of scale & speed: How the US Navy is enabling software delivery from l...sonjaschweigert1
Rapid and secure feature delivery is a goal across every application team and every branch of the DoD. The Navy’s DevSecOps platform, Party Barge, has achieved:
- Reduction in onboarding time from 5 weeks to 1 day
- Improved developer experience and productivity through actionable findings and reduction of false positives
- Maintenance of superior security standards and inherent policy enforcement with Authorization to Operate (ATO)
Development teams can ship efficiently and ensure applications are cyber ready for Navy Authorizing Officials (AOs). In this webinar, Sigma Defense and Anchore will give attendees a look behind the scenes and demo secure pipeline automation and security artifacts that speed up application ATO and time to production.
We will cover:
- How to remove silos in DevSecOps
- How to build efficient development pipeline roles and component templates
- How to deliver security artifacts that matter for ATO’s (SBOMs, vulnerability reports, and policy evidence)
- How to streamline operations with automated policy checks on container images
A tale of scale & speed: How the US Navy is enabling software delivery from l...
Mi0035 computer networks
1. Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :
help.mbaassignments@gmail.com
or
call us at : 08263069601
ASSIGNMENT
DRIVE FALL
PROGRAM
SUBJECT CODE & NAME
SEMESTER
BK ID
CREDITS
MARKS
2013
MBADS – (SEM 3/SEM 5) / MBAN2 / MBAFLEX – (SEM 3) /
PGDISMN – (SEM 1)
MI0035- COMPUTER NETWORKS
3
B1481
4
60
Note: Answer all questions. Kindly note that answers for 10 marks questions should be
approximately of 400 words. Each question is followed by evaluation scheme.
Q. 1 A multiplexer takes several data communication lines or signals and converts them into one
data communication line or signal at the sending location. Explain the basic methods of
multiplexing.
Ans : Multiplexing is the name given to techniques, which allow more than one message to be
transferred via the same communication channel. The basic methods are:
1. Frequency Division Multiplexing FDM:
2. Time Division Multiplexing TDM:
3. Wavelength Division Multiplexing (WDM) :
1. Frequency Division Multiplexing FDM:
In telecommunications, frequency-division multiplexing (FDM) is a technique by which the total
bandwidth available in a communication medium is
Q.2 Write short notes on
a. Network quality of service
b. Gateways
c. Mobile Telephone system
d. Geostationary satellites
e. Ethernet
Ans :
a. Network quality of service :
2. Quality of service (QoS) is the overall performance of a of telephony or computer network,
particularly the performance seen by the users of the network. To quantitatively measure quality of
service several related aspects of the network service are often considered, such as error rates,
bandwidth, throughput, transmission delay, availability, jitter, etc. In particular, much technology
has been developed to allow computer networks to become as useful as telephone networks for
audio conversations, as well as supporting new applications with even stricter service demands.
Q.3 Describe the architectural framework of Integrated Services Digital Network (ISDN).
Ans : integrated architecture framework :
The Integrated Architecture Framework (IAF) is an enterprise architecture framework that covers
business, information, information system and technology infrastructure. The first version was
released in 1996 and was based on the Zachman Framework and Spewaks ideas about Enterprise
Architecture Planning. The Integrated Architecture Framework is:
A comprehensive framework to deliver market-leading solutions
Adaptable to the specific needs of an organization
Scalable from individual projects to enterprise-wide transformation
A recognized architecture method in The Open Group’s IT Architecture Certification program
(ITAC).
Q.4 LAN is a privately owned networks which spans over a size of up to a few kilometers in a
building or a campus.
Ans : a. How can LAN be differentiated from other Networks.
A local-area network (LAN) is a computer network that spans a relatively small area. Most LANs are
confined to a single building or group of buildings, however, one LAN can be connected to other
LANs over any distance via telephone lines and radio waves. A system of LANs connected in this way
is called a wide-area network (WAN). LANs have a number of characteristics on the basis of which it
is differentiated from other networks:
1. transmission medium is shared by all devices, eg connected by a common cable hence:
transmission by one device is received by all others, ie a
Q.5 Read the following case study thoroughly and answer the following questions:
India is the second most populous country in the world. Even with abundant natural resources, it
is still considered a developing country. In India, it is necessary that research and development
that has taken place in the field of communication should reach rural areas. This is because nearly
70% of the population lives in villages. In India, physical infrastructure such as roads and highways
is still not fully developed. Wired communication requires digging of roads, laying of cables and
erecting towers. It involves tremendous human effort and enormous capital outlay in the rural and
hilly areas. Hence wireless communication implemented through satellites can play a vital role.
Realising the importance of satellite communication, India implemented Satellite Instructional
Television Experiment (SITE) in 1975-76. This made it possible to broadcast educational and other
programs related to family planning, agriculture and health issues through television sets even in
the remote areas. This initiative helps in creating awareness and also helps government in bringing
3. developmental schemes to the door step of the masses. An advantage of satellite communication
is that, satellites can amplify the signals and resend it to thousands of stations on the ground at
the same time. Digital TV and radio programmes can directly reach the receivers found in the cars
and homes through a satellite. For large organisations, it has become much cheaper to transmit
commercial information to thousands of their dealers scattered across the globe by means of
satellites. Wired communication can easily get disrupted when the cables are damaged
intentionally or unintentionally. However, microwave satellite communication is not affected even
in the adverse environmental conditions. Thus, during the times of natural disasters, the physical
infrastructure of wired communication may be destroyed. But still contact can be maintained with
the affected people through the satellites. In addition, remote sensing satellites can be used to
keep an eye on the enemy movements, determine the locations of natural resources, warn about
impeding cyclones and exactly pinpoint the presence of fishes or submerged objects in the oceans
or seas. Another form of wireless communication is the mobile communication. Mobile handsets
have made it possible for the people not only to converse among themselves but also carry out
banking and e-commerce transactions. Satellites have also made it possible the implementation of
Global System for Mobile Communication(GSM) through which wireless Internet can be provided.
a. Highlight the advantages of wireless communication over wired communication.
b. In what ways, rural India has benefited through satellite communication.
Ans : a. Advantages of wireless communication over wired communication
Of the most important advantages of wireless networks that have made them spread significantly
and replace wired networks:
1. Flexibility (wirelessness):
the benefits of wireless networks over wired networks and one of the benefits of this flexibility, as
radio waves go through walls and wireless computer you can be in any domain Mkanaly NickServ
Point.
2. Ease of use:
Q. 6 Explain world wide web in detail.
Ans : WWW :
The World Wide Web (abbreviated as WWW or W3, commonly known as the web) is a system of
interlinked hypertext documents accessed via the Internet. With a web browser, one can view web
pages that may contain text, images, videos, and other multimedia and navigate between them via
hyperlinks. The terms Internet and World Wide Web are often used in everyday speech without
much distinction. However, the Internet and the World Wide Web are not the same. The Internet is
a global system of interconnected computer networks. In contrast, the web is one of the services
that runs on the Internet.
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