Amplify And Forward Relaying In Wireless Communications
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Amplify And Forward Relaying In Wireless Communications
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Author : Leonardo Jiménez Rodríguez
language : en
Publisher:
Release Date : 2015
Amplify And Forward Relaying In Wireless Communications written by Leonardo Jiménez Rodríguez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
This SpringerBrief explores the advantage of relaying techniques in addressing the increasing demand for high data rates and reliable services over the air. It demonstrates how to design cost-effective relay systems that provide high spectral efficiency and fully exploit the diversity of the relay channel. The brief covers advances in achievable rates, power allocation schemes, and error performance for half-duplex (HD) and full-duplex (FD) amplify-and-forward (AF) single-relay systems. The authors discuss the capacity and respective optimal power allocation for a wide range of HD protocols over static and fading channels. Then, optimal amplification coefficients in terms of achievable rate are presented. Chapters also examine performance with finite constellations, including the error and diversity performance. The brief concludes with a capacity and error performance analysis of the FD relay mode of operation, where the residual self-interference due to FD transmission is explicitly taken into account. Amplify-and-Forward Relaying in Wireless Communications reveals the benefits and challenges of relaying techniques. It is designed for researchers and professionals in wireless communication. This material is also appropriate for advanced-level students in electrical engineering and computer science.
Cooperative Communications For Improved Wireless Network Transmission Framework For Virtual Antenna Array Applications
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Author : Uysal, Murat
language : en
Publisher: IGI Global
Release Date : 2009-07-31
Cooperative Communications For Improved Wireless Network Transmission Framework For Virtual Antenna Array Applications written by Uysal, Murat and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-07-31 with Computers categories.
Offers practitioners, researchers, and academicians with fundamental principles of cooperative communication. This book provides readers diverse findings and exposes underlying issues in the analysis, design, and optimization of wireless systems.
Ofdm Based Relay Systems For Future Wireless Communications
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Author : Milica Pejanovic-Djurisic
language : en
Publisher: CRC Press
Release Date : 2022-09-01
Ofdm Based Relay Systems For Future Wireless Communications written by Milica Pejanovic-Djurisic and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-01 with Technology & Engineering categories.
Relay systems have become a subject of intensive research interest over the recent years, as it is recognized that they can improve performances and extend the coverage area of wireless communication systems. Special attention has been dedicated to them since the proposal appeared for their implementation in mobile cellular systems. Numerous researches conducted after that proposal have enabled incorporation of OFDM based relay systems in both accepted standards for IMT-Advanced systems. Nowadays, researches are ongoing with the aim to define new solutions for performance improvement of the standardized OFDM relay systems for cellular networks and one of the interesting solutions is implementation of subcarrier permutation (SCP) at the relay (R) station.The book OFDM based relay systems for future wireless communications presents a comprehensive research results in analyzing behavior and performance of the OFDM based relay systems with SCP. Dual-hop relay scenario with three communication terminals, and no direct link between the source (S) and the destination (D) has been analyzed, as it is compliant with the accepted solutions for IMT-Advanced systems. The book includes performance analysis and performance comparison of OFDM based:• amplify-and-forward (AF) relay systems with fixed gain (FG),• amplify-and-forward (AF) relay systems with variable gain (VG),• decode-and-forward (DF) relay systems,each including two SCP schemes, known to maximize the system capacity and/or improve the bit error rate (BER) performances. Performance comparisons have enabled definition of optimal solutions for the future wireless communication systems in a given conditions, and for the given optimality criteria. OFDM based relay systems for future wireless communications contains recent research results in this area and is ideal for the academic staff and master/research students in area of mobile communication systems, as well as for the personnel in communication industry.
Cooperative Communications
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Author : Mischa Dohler
language : en
Publisher: John Wiley & Sons
Release Date : 2010-01-29
Cooperative Communications written by Mischa Dohler and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-29 with Technology & Engineering categories.
Facilitating Cooperation for Wireless Systems Cooperative Communications: Hardware, Channel & PHY focuses on issues pertaining to the PHY layer of wireless communication networks, offering a rigorous taxonomy of this dispersed field, along with a range of application scenarios for cooperative and distributed schemes, demonstrating how these techniques can be employed. The authors discuss hardware, complexity and power consumption issues, which are vital for understanding what can be realized at the PHY layer, showing how wireless channel models differ from more traditional models, and highlighting the reliance of PHY algorithm performance on the underlying channel models. Numerous transparent and regenerative relaying protocols are described in detail for a variety of transparent and regenerative cooperative schemes. Key Features: Introduces background, concepts, applications, milestones and thorough taxonomy Identifies the potential in this emerging technology applied to e.g. LTE/WiMAX, WSN Discusses latest wireless channel models for transparent and regenerative protocols Addresses the fundamentals as well as latest emerging PHY protocols Introduces transparent distributed STBC, STTC, multiplexing and beamforming protocols Quantifies regenerative distributed space-time, channel and network coding protocols Explores system optimization, such as distributed power allocation and relay selection Introduces and compares analog and digital hardware architectures Quantifies complexity, memory and power consumption of 3G UMTS & 4G LTE/WiMAX relay Highlights future research challenges within the cooperative communications field This book is an invaluable guide for professionals and researchers in communications fields. It will also be of interest to graduates of communications and electronic engineering courses. It forms part of an entire series dedicated to cooperative wireless systems.
Amplify And Forward Relaying In Wireless Communication Networks
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Author : Alireza Shahan Behbahani
language : en
Publisher:
Release Date : 2009
Amplify And Forward Relaying In Wireless Communication Networks written by Alireza Shahan Behbahani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Cooperative Wireless Communications
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Author : Yan Zhang
language : en
Publisher: CRC Press
Release Date : 2009-03-10
Cooperative Wireless Communications written by Yan Zhang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-10 with Computers categories.
Cooperative devices and mechanisms are increasingly important to enhance the performance of wireless communications and networks, with their ability to decrease power consumption and packet loss rate and increase system capacity, computation, and network resilience. Considering the wide range of applications, strategies, and benefits associated wit
Advanced Relay Technologies In Next Generation Wireless Communications
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Author : Ioannis Krikidis
language : en
Publisher: IET
Release Date : 2016-06-10
Advanced Relay Technologies In Next Generation Wireless Communications written by Ioannis Krikidis and has been published by IET this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-10 with Technology & Engineering categories.
Advanced Relay Technologies in Next Generation Wireless Communications describes the use of the highly successful cooperative networks/relaying approach in new and emerging telecommunications technologies such as full-duplex radio, massive multiple-input multiple-output (MIMO), network coding and spatial modulation, and new application areas including visible light communications (VLC), molecular communications, wireless power transfer, and 5G. Topics covered include: -spatial modulation for cooperative networks -relaying for massive MIMO; relaying for outdoor to indoor in mmWave communications -precoding techniques for relaying with interference -relaying in full-duplex radio communication systems -relay selection in modern communication systems -relaying in green communications systems -energy-efficient relaying -cognitive radio with relaying -relaying in non-ideal conditions -relaying and physical layer secrecy relaying technologies for smart grid -simultaneous wireless and power transfer for interference relay channel -relaying in visible light communication systems -on-ground and on-board signal processing for multibeam precoding.
Wireless Algorithms Systems And Applications
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Author : Kui Ren
language : en
Publisher: Springer
Release Date : 2013-07-04
Wireless Algorithms Systems And Applications written by Kui Ren and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-04 with Computers categories.
This book constitutes the refereed proceedings of the 8th International Conference on Wireless Algorithms, Systems, and Applications, WASA 2013, held in Zhangjiajie, China, in August 2013. The 25 revised full papers presented together with 18 invited papers were carefully reviewed and selected from 80 submissions. The papers cover the following topics: effective and efficient state-of-the-art algorithm design and analysis, reliable and secure system development and implementations, experimental study and testbed validation, and new application exploration in wireless networks.
Coherent Cooperative Relaying In Low Mobility Wireless Multiuser Networks
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Author : Stefan Berger
language : en
Publisher: Logos Verlag Berlin GmbH
Release Date : 2010
Coherent Cooperative Relaying In Low Mobility Wireless Multiuser Networks written by Stefan Berger and has been published by Logos Verlag Berlin GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
In this thesis, several important aspects of cooperative wireless multiuser networks are investigated. The focus lies on coherent two-hop relaying networks where several amplify-and-forward (AF) relays assist the communication between multiple source-destination pairs. First, the impact of local oscillator (LO) imperfections and I/Q imbalance at the relays on two-hop relaying is investigated. A special focus lies on the comparison between frequency division duplexing (FDD) and time division duplexing (TDD) relays. Based on the observation that the direction in which a channel between two wireless nodes is measured has an impact on the estimate, phase synchronization requirements for coherent relaying networks are then found. Several channel estimation protocols that differ in the direction in which the single-hop channels are measured are furthermore identi'ed and their performance is compared. Next, a very simple phase synchronization scheme is presented that provides a set of relays with a common LO phase. Two coherent beamforming schemes, namely multiuser zero-forcing (MUZF) and multiuser minimum mean squared error (MMSE) relaying, are then investigated. Finally, a real-world demonstrator for distributed wireless communication networks (called RACooN Lab) is presented. It was used to implement coherent cooperative communication schemes on a practical two-hop relaying network.
Ofdm Based Relay Systems For Future Wireless Communications
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Author : Milica Pejanovic-Djurisic
language : en
Publisher: CRC Press
Release Date : 2022-09-01
Ofdm Based Relay Systems For Future Wireless Communications written by Milica Pejanovic-Djurisic and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-01 with Science categories.
Relay systems have become a subject of intensive research interest over the recent years, as it is recognized that they can improve performances and extend the coverage area of wireless communication systems. Special attention has been dedicated to them since the proposal appeared for their implementation in mobile cellular systems. Numerous researches conducted after that proposal have enabled incorporation of OFDM based relay systems in both accepted standards for IMT-Advanced systems. Nowadays, researches are ongoing with the aim to define new solutions for performance improvement of the standardized OFDM relay systems for cellular networks and one of the interesting solutions is implementation of subcarrier permutation (SCP) at the relay (R) station.The book OFDM based relay systems for future wireless communications presents a comprehensive research results in analyzing behavior and performance of the OFDM based relay systems with SCP. Dual-hop relay scenario with three communication terminals, and no direct link between the source (S) and the destination (D) has been analyzed, as it is compliant with the accepted solutions for IMT-Advanced systems. The book includes performance analysis and performance comparison of OFDM based:• amplify-and-forward (AF) relay systems with fixed gain (FG),• amplify-and-forward (AF) relay systems with variable gain (VG),• decode-and-forward (DF) relay systems,each including two SCP schemes, known to maximize the system capacity and/or improve the bit error rate (BER) performances. Performance comparisons have enabled definition of optimal solutions for the future wireless communication systems in a given conditions, and for the given optimality criteria. OFDM based relay systems for future wireless communications contains recent research results in this area and is ideal for the academic staff and master/research students in area of mobile communication systems, as well as for the personnel in communication industry.