Design and Analysis of New Wireless Transmission Strategies for Cooperative Relay Networks

Design and Analysis of New Wireless Transmission Strategies for Cooperative Relay Networks
Author: Gayan Lasintha Amarasuriya Aruma Baduge
Publisher:
Total Pages: 180
Release: 2013
Genre: Antennas (Electronics)
ISBN:

Cooperative relay technologies are currently being researched to address the ever-increasing demand for higher data rates, extended coverage, greater mobility, and enhanced reliability. This thesis thus focuses on (1) developing new physical-layer wireless technologies for cooperative relay networks and (2) ascertaining their viability through performance analysis. Specifically, (i) new system and channel models, (ii) signaling and relay-processing algorithms, (iii) joint relay-antenna selection strategies, (iv) joint transmit-receive beamforming techniques, and (v) comprehensive performance analysis frameworks are developed for one-way, two-way, and multi-way cooperative relay networks. Our first research focuses on developing a comprehensive analytical framework for deriving closed-form performance bounds of multi-hop amplify-and-forward (AF) relay networks. Specifically, mathematically-tractable, asymptotically-exact end-to-end signal-to-noise ratio bounds are first formulated, and thereby, the outage probability and average bit error rate bounds are derived. In our second work, adaptive multiple-relay selection strategies are designed and analyzed for multi-relay AF networks to optimize the tradeoffs among the system performance, complexity, and wireless resource usage. Our third research investigates joint antenna and relay selection strategies, which are optimal in the sense of the achievable diversity gains, for multiple-input multiple-output (MIMO) one-way relay networks and MIMO two-way relay networks. Finally, joint transmit/receive zero forcing transmission strategies are developed for MIMO multi-way relay networks for optimizing the achievable diversity-multiplexing trade-off. The key design criterion of the aforementioned transmission designs is to leverage spatial diversity and/or spatial multiplexing gains available among distributed single-antenna and/or multiple-antenna wireless terminals through distributed transmission and efficient signal processing. Moreover, the fundamental relationships among the data rate, coverage, and reliability metrics are characterized, and thereby, the detrimental impact of practical wireless transmission impairments on the performance of the aforementioned transmission strategies are quantified. The insights obtained through these analyses are then used to refine our physical-layer designs to achieve desirable trade-offs between the system performance, resource usage and implementation complexity.

Protocol Design and Analysis for Cooperative Wireless Networks

Protocol Design and Analysis for Cooperative Wireless Networks
Author: Wei Song
Publisher: Springer
Total Pages: 135
Release: 2016-11-03
Genre: Technology & Engineering
ISBN: 3319477269

This book focuses on the design and analysis of protocols for cooperative wireless networks, especially at the medium access control (MAC) layer and for crosslayer design between the MAC layer and the physical layer. It highlights two main points that are often neglected in other books: energy-efficiency and spatial random distribution of wireless devices. Effective methods in stochastic geometry for the design and analysis of wireless networks are also explored. After providing a comprehensive review of existing studies in the literature, the authors point out the challenges that are worth further investigation. Then, they introduce several novel solutions for cooperative wireless network protocols that reduce energy consumption and address spatial random distribution of wireless nodes. For each solution, the book offers a clear system model and problem formulation, details of the proposed cooperative schemes, comprehensive performance analysis, and extensive numerical and simulation results that validate the analysis and examine the performance under various conditions. The last section of this book reveals several potential directions for the research on cooperative wireless networks that deserve future exploration. Researchers, professionals, engineers, and consultants in wireless communication and mobile networks will find this book valuable. It is also helpful for technical staff in mobile network operations, wireless equipment manufacturers, wireless communication standardization bodies, and governmental regulation agencies.

Cooperative Two-Way Wireless Relay Communication

Cooperative Two-Way Wireless Relay Communication
Author: C. Tellambura
Publisher: Wiley
Total Pages: 512
Release: 2014-05-27
Genre: Technology & Engineering
ISBN: 9781118457016

A comprehensive technical coverage of both theoretical and practical aspect of two-way relay technology Describes the state of the art technical concepts of cooperative two-way relay technology from theory to practice, from the basics to more advanced theory. The introductory sections of the book are useful for readers wishing to grasp the basics of cooperative two-way relay technology. Alternatively, the more rigorous and in-depth theory and analysis is indispensable for higher level students wishing to further the advanced concepts, which would eventually be beneficial for the advancements of the technology itself. Two-way wireless relay communication technology is covered comprehensively giving special attention to channel/system models, transmission technologies and performance analysis. Specific topics covered include: Channel and system models for cooperative two-way relay communication; Parameter estimation techniques for two-way relaying; Multi-antenna transmission strategies for two-way relaying; Unified performance analysis frameworks for two-way relay networks; Next generation wireless communication system architectures for cooperative two-way relaying. For each of the aforementioned subtopics, system concepts, theoretical backgrounds, applications and illustrative simulation results are provided, offering a complete understanding of basic and advanced approaches to the topic. A comprehensive technical coverage of both theoretical and practical aspects of two-way relay technology Highly illustrated, demonstrating cooperative two-way relay channel/system parameters and specifications, channel/system models, related algorithms, and computer simulation results Presents case studies on the integration of cooperative two-way relay technology with both the existing and emerging (4G and subsequent wireless standards) network architectures Well-defined and selective examples provided in each main section offering intuitive and easier understanding of the corresponding technology Accompanying website to include tutorial slides An invaluable resource for Graduate students majoring in wireless communications; Research engineers working in communication system design; Technical and marketing managers of wireless product development and marketing; Strategists and planners of wireless communication system technology.

Design and Analysis of Transmission Strategies for Training-based Massive MIMO Systems

Design and Analysis of Transmission Strategies for Training-based Massive MIMO Systems
Author: Dhanushka Priyankara Kudathanthirige
Publisher:
Total Pages: 530
Release: 2020
Genre: Data transmission systems
ISBN:

The next-generation wireless technologies are currently being researched to address the ever-increasing demands for higher data rates, massive connectivity, improved reliability, and extended coverage. Recently, massive multiple-input multiple-output (MIMO) has gained significant attention as a new physical-layer transmission technology that can achieve unprecedented spectral and energy efficiency gains via aggressive spatial multiplexing. Thus, massive MIMO has been one of the key enabling technologies for the fifth-generation and subsequent wireless standards. This dissertation thus focuses on developing a system, channel, and signal models by considering the practical wireless transmission impairments for massive MIMO systems, and ascertaining the viability of massive MIMO in fulfilling massive access, improved spectrum, enhanced security, and energy efficiency requirements. Specifically, new system and channel models, pilot sequence designs and channel estimation techniques, secure transmit/receive beamforming techniques, transmit power allocation schemes with enhanced security provisions, energy efficiency, and user fairness, and comprehensive performance analysis frameworks are developed for massive MIMO-aided non-orthogonal multiple access (NOMA), cognitive spectrum-sharing, and wireless relaying architectures. Our first work focuses on developing physical-layer transmission schemes for NOMA-aided massive MIMO systems. A spatial signature-based user-clustering and pilot allocation scheme is first formulated, and thereby, a hybrid orthogonal multiple access (OMA)/NOMA transmission scheme is proposed to boost the number of simultaneous connections. In our second work, the viability of invoking downlink pilots to boost the achievable rate of NOMA-aided massive MIMO is investigated. The third research contribution investigates the performance of underlay spectrum-sharing massive MIMO systems for reverse time division duplexing based transmission strategies, in which primary and secondary systems concurrently operate in opposite directions. Thereby, we show that the secondary system can be operated with its maximum average transmit power independent of the primary system in the limit of infinity many primary/secondary base-station antennas. In our fourth work, signal processing techniques, power allocation, and relay selection schemes are designed and analyzed for massive MIMO relay networks to optimize the trade-off among the achievable user rates, coverage, and wireless resource usage. Finally, the cooperative jamming and artificial noise-based secure transmission strategies are developed for massive MIMO relay networks with imperfect legitimate user channel information and with no channel knowledge of the eavesdropper. The key design criterion of the aforementioned transmission strategies is to efficiently combine the spatial multiplexing gains and favorable propagation conditions of massive MIMO with properties of NOMA, underlay spectrum-sharing, and wireless relay networks via efficient signal processing.

Cooperative Wireless Communications

Cooperative Wireless Communications
Author: Yan Zhang
Publisher: CRC Press
Total Pages: 518
Release: 2009-03-10
Genre: Computers
ISBN: 1420064703

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

Energy Efficient Cooperative Wireless Communication and Networks

Energy Efficient Cooperative Wireless Communication and Networks
Author: Zhengguo Sheng
Publisher: CRC Press
Total Pages: 216
Release: 2014-11-11
Genre: Computers
ISBN: 1482238225

Compared with conventional communications, cooperative communication allows multiple users in a wireless network to coordinate their packet transmissions and share each other's resources, thus achieving high-performance gain and better service coverage and reliability. Energy Efficient Cooperative Wireless Communication and Networks provides a comp

Energy Efficient Cooperative Wireless Communication and Networks

Energy Efficient Cooperative Wireless Communication and Networks
Author: Zhengguo Sheng
Publisher: CRC Press
Total Pages: 223
Release: 2014-11-11
Genre: Computers
ISBN: 1482238217

Compared with conventional communications, cooperative communication allows multiple users in a wireless network to coordinate their packet transmissions and share each other's resources, thus achieving high-performance gain and better service coverage and reliability. Energy Efficient Cooperative Wireless Communication and Networks provides a comprehensive look at energy efficiency and system design of cooperative wireless communication. Introducing effective cooperative wireless communication schemes, the book supplies the understanding and methods required to improve energy efficiency, reliability, and end-to-end protocol designs for wireless communication systems. It explains the practical benefits and limitations of cooperative transmissions along with the associated designs of upper-layer protocols, including MAC, routing, and transport protocol. The book considers power efficiency as a main objective in cooperative communication to ensure quality-of-service (QoS) requirements. It explains how to bring the performance gain at the physical layer up to the network layer and how to allocate network resources dynamically through MAC/scheduling and routing to trade off the performance benefits of given transmissions against network costs. Because the techniques detailed in each chapter can help readers achieve energy efficiency and reliability in wireless networks, they have the potential to impact a range of industry areas, including wireless communication, wireless sensor networks, and ad hoc networks. The book includes numerous examples, best practices, and models that capture key issues in real-world applications. Along with algorithms and tips for effective design, the book supplies the understanding you will need to achieve high-performing and energy efficient wireless networks with improved service coverage and reliability.

Analysis and Design of Communication Techniques in Spectrally Efficient Wireless Relaying Systems

Analysis and Design of Communication Techniques in Spectrally Efficient Wireless Relaying Systems
Author: Jian Zhao
Publisher: Logos Verlag Berlin GmbH
Total Pages: 286
Release: 2010
Genre: Technology & Engineering
ISBN: 3832525858

This dissertation studies the communication technologies in relaying systems with multiple antennas, especially in the multiple-input multiple-output (MIMO) two-way relaying systems. Both information-theoretic aspects and practical communication strategies are considered and analyzed. For the information-theoretic analysis, an analytical framework for the coverage of MIMO relaying systems based on an outage capacity criterion is proposed. For MIMO two-way relaying systems, different data combining schemes at the relay are compared based on their achievable rates. In addition, optimal time-division (TD) strategies for MIMO two-way decode-and-forward (DF) relaying systems are proposed and analyzed. When the optimal TD strategies are applied, the increase of the achievable rate regions in the system is significant compared to those using the equal TD strategy. For the practical transmission schemes, we propose the self-interference (SI) aided channel estimation and data detection schemes for the broadcast phase of two-way DF relaying systems. Such schemes exploit the SI in two-way DF relaying systems when the superposition coding (SPC) scheme is applied. When the network coding scheme is applied in two-way DF relaying systems, we propose an asymmetric data rate transmission scheme that utilizes the known data bits at the receivers. Such a scheme exploits the a priori known bits at the weak link receiver in the broadcast phase of two-way relaying systems.

Advanced Relay Technologies in Next Generation Wireless Communications

Advanced Relay Technologies in Next Generation Wireless Communications
Author: Ioannis Krikidis
Publisher: IET
Total Pages: 537
Release: 2016-06-10
Genre: Technology & Engineering
ISBN: 1785610031

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.