Network Coding in Relay Networks

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Publisher : VDM Publishing
ISBN 13 : 9783836495752
Total Pages : 88 pages
Book Rating : 4.4/5 (957 download)

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Book Synopsis Network Coding in Relay Networks by : Eduardo Alban

Download or read book Network Coding in Relay Networks written by Eduardo Alban and published by VDM Publishing. This book was released on 2008 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transmission over wireless networks presents multiple technical challenges due to noise, interference, fading, power constraints and bandwidth limitation. Different solutions have been propposed to overcome these issues and some of them are treated here. Cooperative diversity has been proposed as an implementation for networks where terminals are restricted to using physical arrays; this technique implements space diversity by creating virtual antennas arrays with cooperating nodes in order to combat multipath fading. Network Coding recently has been presented as a technique to increase the throughput in multicast networks. Most of the work done on the topic considers an error free transmission and few works have taken into account the errors due to the nature of the wireless channel. This thesis proposes the use of network coding over some scenarios in relay networks, in order to obtain diversity. It also addresses some cooperative protocols and their performance in terms of bit error rate. Reliability criteria based on channel information are established for a practical network implementation. In short, we propose a scheme for a wireless network using ideas based on network coding.

Compute-and-forward Network Coding Design for Wireless Relay Networks

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Publisher :
ISBN 13 :
Total Pages : 119 pages
Book Rating : 4.:/5 (982 download)

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Book Synopsis Compute-and-forward Network Coding Design for Wireless Relay Networks by : Baojian Zhou

Download or read book Compute-and-forward Network Coding Design for Wireless Relay Networks written by Baojian Zhou and published by . This book was released on 2016 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Soft Prioritized Network Coding in Multiple Access Relay Networks

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Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (748 download)

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Book Synopsis Soft Prioritized Network Coding in Multiple Access Relay Networks by : Navneet Malani

Download or read book Soft Prioritized Network Coding in Multiple Access Relay Networks written by Navneet Malani and published by . This book was released on 2011 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Channel Coded Physical-layer Network Coding in Wireless Relay Networks

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Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (15 download)

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Book Synopsis Channel Coded Physical-layer Network Coding in Wireless Relay Networks by : Xiaokang Wang

Download or read book Channel Coded Physical-layer Network Coding in Wireless Relay Networks written by Xiaokang Wang and published by . This book was released on 2018 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Enhancing the Performance of Relay Networks with Network Coding

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Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (871 download)

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Book Synopsis Enhancing the Performance of Relay Networks with Network Coding by : Scott Harold Melvin

Download or read book Enhancing the Performance of Relay Networks with Network Coding written by Scott Harold Melvin and published by . This book was released on 2012 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT CONT'D : The motivation is that to improve the performance of communication systems, relay nodes will need to perform more intelligent processing of data units than traditional routing. The results presented in this work are applicable to both wireless and wired networks with real-time traffic which exist in such systems ranging from cellular and ad-hoc networks to fixed optical networks.

Optimized Noisy Network Coding for Gaussian Relay Networks

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (872 download)

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Book Synopsis Optimized Noisy Network Coding for Gaussian Relay Networks by : Ritesh Kolte

Download or read book Optimized Noisy Network Coding for Gaussian Relay Networks written by Ritesh Kolte and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Delay Performance of Hybrid Network Coding Based on Cooperative Relay Networks

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Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (699 download)

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Book Synopsis Delay Performance of Hybrid Network Coding Based on Cooperative Relay Networks by : 歐恩廷

Download or read book Delay Performance of Hybrid Network Coding Based on Cooperative Relay Networks written by 歐恩廷 and published by . This book was released on 2010 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Network Coding at Different Layers in Wireless Networks

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Publisher : Springer
ISBN 13 : 3319297708
Total Pages : 187 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Network Coding at Different Layers in Wireless Networks by : Yang Qin

Download or read book Network Coding at Different Layers in Wireless Networks written by Yang Qin and published by Springer. This book was released on 2016-05-14 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on how to apply network coding at different layers in wireless networks – including MAC, routing, and TCP – with special focus on cognitive radio networks. It discusses how to select parameters in network coding (e.g., coding field, number of packets involved, redundant information ration) in order to be suitable for the varying wireless environments. The author explores how to deploy network coding in MAC to improve network performance and examine joint network coding with opportunistic routing to improve the successful rate of routing. In regards to TCP and network coding, the author considers transport layer protocol working with network coding to overcome the transmission error rate, particularly with how to use the ACK feedback of TCP to enhance the efficiency of network coding. The book pertains to researchers and postgraduate students, especially whose interests are in opportunistic routing and TCP in cognitive radio networks.

Design of Network Coding Schemes in Wireless Networks

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Publisher : CRC Press
ISBN 13 : 1000597679
Total Pages : 211 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Design of Network Coding Schemes in Wireless Networks by : Zihuai Lin

Download or read book Design of Network Coding Schemes in Wireless Networks written by Zihuai Lin and published by CRC Press. This book was released on 2022-06-23 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a consolidated view of the various network coding techniques to be implemented at the design of the wireless networks for improving its overall performance. It covers multiple sources communicating with multiple destinations via a common relay followed by network coded modulation schemes for multiple access relay channels. Performance of the distributed systems based on distributed convolutional codes with network coded modulation is covered including a two-way relay channel (TWRC). Two MIF protocols are proposed including derivation of signal-to-noise ratio (SNR) and development of threshold of the channel conditions of both. Features: Systematically investigates coding and modulation for wireless relay networks. Discusses how to apply lattice codes in implementing lossless communications and lossy source coding over a network. Focusses on theoretical approach for performance optimization. Includes various network coding strategies for different networks. Reviews relevant existing and ongoing research in optimization along with practical code design. This book aims at Researchers, Professionals and Graduate students in Networking, Communications, Information, Coding Theory, Theoretical Computer Science, Performance Analysis and Resource Optimization, Applied Discrete Mathematics, and Applied Probability.

Coding for Relay Networks with Parallel Gaussian Channels

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Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (868 download)

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Book Synopsis Coding for Relay Networks with Parallel Gaussian Channels by : Yu-Chih Huang

Download or read book Coding for Relay Networks with Parallel Gaussian Channels written by Yu-Chih Huang and published by . This book was released on 2013 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wireless relay network consists of multiple source nodes, multiple destination nodes, and possibly many relay nodes in between to facilitate its transmission. It is clear that the performance of such networks highly depends on information forwarding strategies adopted at the relay nodes. This dissertation studies a particular information forwarding strategy called compute-and-forward. Compute-and-forward is a novel paradigm that tries to incorporate the idea of network coding within the physical layer and hence is often referred to as physical layer network coding. The main idea is to exploit the superposition nature of the wireless medium to directly compute or decode functions of transmitted signals at intermediate relays in a network. Thus, the coding performed at the physical layer serves the purpose of error correction as well as permits recovery of functions of transmitted signals. For the bidirectional relaying problem with Gaussian channels, it has been shown by Wilson et al. and Nam et al. that the compute-and-forward paradigm is asymptotically optimal and achieves the capacity region to within 1 bit; however, similar results beyond the memoryless case are still lacking. This is mainly because channels with memory would destroy the lattice structure that is most crucial for the compute-and-forward paradigm. Hence, how to extend compute-and-forward to such channels has been a challenging issue. This motivates this study of the extension of compute-and-forward to channels with memory, such as inter-symbol interference. The bidirectional relaying problem with parallel Gaussian channels is also studied, which is a relevant model for the Gaussian bidirectional channel with inter-symbol interference and that with multiple-input multiple-output channels. Motivated by the recent success of linear finite-field deterministic model, we first investigate the corresponding deterministic parallel bidirectional relay channel and fully characterize its capacity region. Two compute-and-forward schemes are then proposed for the Gaussian model and the capacity region is approximately characterized to within a constant gap. The design of coding schemes for the compute-and-forward paradigm with low decoding complexity is then considered. Based on the separation-based framework proposed previously by Tunali et al., this study proposes a family of constellations that are suitable for the compute-and-forward paradigm. Moreover, by using Chinese remainder theorem, it is shown that the proposed constellations are isomorphic to product fields and therefore can be put into a multilevel coding framework. This study then proposes multilevel coding for the proposed constellations and uses multistage decoding to further reduce decoding complexity. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/149620

Network Coding

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Publisher : John Wiley & Sons
ISBN 13 : 1118563107
Total Pages : 171 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Network Coding by : Khaldoun Al Agha

Download or read book Network Coding written by Khaldoun Al Agha and published by John Wiley & Sons. This book was released on 2012-12-27 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: Network coding, a relatively new area of research, has evolved from the theoretical level to become a tool used to optimize the performance of communication networks – wired, cellular, ad hoc, etc. The idea consists of mixing “packets” of data together when routing them from source to destination. Since network coding increases the network performance, it becomes a tool to enhance the existing protocols and algorithms in a network or for applications such as peer-to-peer and TCP. This book delivers an understanding of network coding and provides a set of studies showing the improvements in security, capacity and performance of fixed and mobile networks. This is increasingly topical as industry is increasingly becoming more reliant upon and applying network coding in multiple applications. Many cases where network coding is used in routing, physical layer, security, flooding, error correction, optimization and relaying are given – all of which are key areas of interest. Network Coding is the ideal resource for university students studying coding, and researchers and practitioners in sectors of all industries where digital communication and its application needs to be correctly understood and implemented. Contents 1. Network Coding: From Theory to Practice, Youghourta Benfattoum, Steven Martin and Khaldoun Al Agha. 2. Fountain Codes and Network Coding for WSNs, Anya Apavatjrut, Claire Goursaud, Katia Jaffrès-Runser and Jean-Marie Gorce. 3. Switched Code for Ad Hoc Networks: Optimizing the Diffusion by Using Network Coding, Nour Kadi and Khaldoun Al Agha. 4. Security by Network Coding, Katia Jaffrès-Runser and Cédric Lauradoux. 5. Security for Network Coding, Marine Minier, Yuanyuan Zhang and Wassim Znaïdi. 6. Random Network Coding and Matroids, Maximilien Gadouleau. 7. Joint Network-Channel Coding for the Semi-Orthogonal MARC: Theoretical Bounds and Practical Design, Atoosa Hatefi, Antoine O. Berthet and Raphael Visoz. 8. Robust Network Coding, Lana Iwaza, Marco Di Renzo and Michel Kieffer. 9. Flow Models and Optimization for Network Coding, Eric Gourdin and Jeremiah Edwards.

Collaborative Coding Techniques with Analog Network Coding in Wireless Y-Channel-Relay Networks

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Collaborative Coding Techniques with Analog Network Coding in Wireless Y-Channel-Relay Networks by : Issa Al-Fanek

Download or read book Collaborative Coding Techniques with Analog Network Coding in Wireless Y-Channel-Relay Networks written by Issa Al-Fanek and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Network Coding Applications

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Publisher : Now Publishers Inc
ISBN 13 : 1601980442
Total Pages : 150 pages
Book Rating : 4.6/5 (19 download)

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Book Synopsis Network Coding Applications by : Christina Fragouli

Download or read book Network Coding Applications written by Christina Fragouli and published by Now Publishers Inc. This book was released on 2008-01-08 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Network Coding Applications looks at how ideas from network coding can have an impact on a number of new applications. It explains what network coding is, explores what its benefits are, and how much it costs to design and operate networks implementing network coding

Design and Implementation of Physical Layer Network Coding Protocols

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (688 download)

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Book Synopsis Design and Implementation of Physical Layer Network Coding Protocols by : Dumezie K. Maduike

Download or read book Design and Implementation of Physical Layer Network Coding Protocols written by Dumezie K. Maduike and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: There has recently been growing interest in using physical layer network coding techniques to facilitate information transfer in wireless relay networks. The physical layer network coding technique takes advantage of the additive nature of wireless signals by allowing two terminals to transmit simultaneously to the relay node. This technique has several performance benefits, such as improving utilization and throughput of wireless channels and reducing delay. In this thesis, we present an algorithm for joint decoding of two unsynchronized transmitters to a modulo-2 sum of their transmitted messages. We address the problems that arise when the boundaries of the signals do not align with each other and when their phases are not identical. Our approach uses a state-based Viterbi decoding scheme that takes into account the timing offsets between the interfering signals. As a future research plan, we plan to utilize software-defined radios (SDRs) as a testbed to show the practicality of our approach and to verify its performance. Our simulation studies show that the decoder performs well with the only degrading factor being the noise level in the channel.

A Primer on Physical-Layer Network Coding

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Publisher : Springer Nature
ISBN 13 : 3031792696
Total Pages : 202 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis A Primer on Physical-Layer Network Coding by : Soung Liew

Download or read book A Primer on Physical-Layer Network Coding written by Soung Liew and published by Springer Nature. This book was released on 2022-05-31 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concept of physical-layer network coding (PNC) was proposed in 2006 for application in wireless networks. Since then it has developed into a subfield of communications and networking with a wide following. This book is a primer on PNC. It is the outcome of a set of lecture notes for a course for beginning graduate students at The Chinese University of Hong Kong. The target audience is expected to have some prior background knowledge in communication theory and wireless communications, but not working knowledge at the research level. Indeed, a goal of this book/course is to allow the reader to gain a deeper appreciation of the various nuances of wireless communications and networking by focusing on problems arising from the study of PNC. Specifically, we introduce the tools and techniques needed to solve problems in PNC, and many of these tools and techniques are drawn from the more general disciplines of signal processing, communications, and networking: PNC is used as a pivot to learn about the fundamentals of signal processing techniques and wireless communications in general. We feel that such a problem-centric approach will give the reader a more in-depth understanding of these disciplines and allow him/her to see first-hand how the techniques of these disciplines can be applied to solve real research problems. As a primer, this book does not cover many advanced materials related to PNC. PNC is an active research field and many new results will no doubt be forthcoming in the near future. We believe that this book will provide a good contextual framework for the interpretation of these advanced results should the reader decide to probe further into the field of PNC.

Security in Network Coding

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Publisher : Springer
ISBN 13 : 3319310836
Total Pages : 106 pages
Book Rating : 4.3/5 (193 download)

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Book Synopsis Security in Network Coding by : Peng Zhang

Download or read book Security in Network Coding written by Peng Zhang and published by Springer. This book was released on 2016-05-26 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers a series of security and privacy issues in network coding, and introduces three concrete mechanisms to address them. These mechanisms leverage traditional cryptographic primitives and anonymous protocols, and are redesigned to fit into the new framework of network coding. These three mechanisms are MacSig, a new message authentication method for network-coded systems; P-Coding, a new encryption scheme to secure network-coding-based transmissions; and ANOC, a new anonymous routing protocol that seamlessly integrates anonymous routing with network coding. Along with these three mechanisms, the authors provide a review of network coding's benefits, applications, and security problems. Also included is a detailed overview of security issues in the field, with an explanation of how the security issues differ from those in traditional settings. While network coding can help improve network performance, the adoption of network coding can be greatly limited unless security and privacy threats are addressed. Designed for researchers and professionals, Security in Network Coding explores major challenges in network coding and offers practical solutions. Advanced-level students studying networking or system security will also find the content valuable.

Physical Layer Network Coding for the Multi-way Relay Channel

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (858 download)

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Book Synopsis Physical Layer Network Coding for the Multi-way Relay Channel by : Behnam Hashemitabar

Download or read book Physical Layer Network Coding for the Multi-way Relay Channel written by Behnam Hashemitabar and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless networks have received considerable attention recently due to the high user demand for wireless services and the emergence of new applications. This thesis focuses on the problem of information dissemination in a class of wireless networks known as the multi-way relay channel. Physical layer network coding is considered to increase the throughput in these networks. First, an algorithm is proposed that increases the full data exchange throughput by 33% compared to traditional routing. This gain arises from providing common knowledge to users and exploiting this knowledge to restrain some users from transmitting. Second, for complex field network coding, a transmission scheme is designed that ensures the receipt of a QAM constellation at the relay. This requires precoding the user symbols to make all possible combinations distinguishable at the relay. Using this approach, the throughput of data exchange is 1/2 symbol per user per channel use. The error performance of both schemes is derived analytically for AWGN channels.