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

Jian Zhao

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Jian Zhao, Analysis and Design of Communication Techniques in Spectrally Efficient Wireless Relaying Systems (2010), Logos Verlag, Berlin, ISBN: 9783832599331

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Beschreibung / Abstract

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.

Inhaltsverzeichnis

  • BEGINN
  • 1 Introduction
  • 1.1 Motivation
  • 1.2 Outline of Dissertation
  • 1.3 Research Contributions
  • 2 Overview of Modern Wireless Communication Systems
  • 2.1 Multi-Antenna Communication
  • 2.2 Relay Communication
  • 2.3 Two-Way Relay Communication
  • 3 Coverage Analysis of Multi-Antenna Decode-and-Forward Relaying Systems
  • 3.1 Introduction
  • 3.2 Coverage of Cellular Relaying Systems
  • 3.3 Achievable Rate Expressions for MIMO DF Relaying Schemes
  • 3.4 Analysis of Circular Coverage Range of Relaying Systems with Uniform Power Allocation at Transmit Antennas
  • 3.5 Simulation Results
  • 3.6 Chapter Summary and Conclusions
  • 4 Two-Way Relaying Systems With Multiple Antennas
  • 4.1 Introduction
  • 4.2 System Setup
  • 4.3 Amplify-and-Forward Relaying
  • 4.4 Decode-and-Forward Relaying
  • 4.5 Performance Results
  • 4.6 Chapter Summary and Conclusions
  • 5 Optimum Time-Division in Two-Way Relaying Systems
  • 5.1 Introduction
  • 5.2 System Model
  • 5.3 Optimum Time-Division Under Peak Power Constraint
  • 5.4 Optimum Time-Division Under Average Power Constraint
  • 5.5 Simulation Results
  • 5.6 Chapter Summary and Conclusions
  • 5.7 Appendices
  • 6 Self-Interference-Aided Channel Estimation in Two-Way Relaying Systems
  • 6.1 Introduction
  • 6.2 System Model
  • 6.3 SI-Aided Joint ML Channel Estimation and Data Detection
  • 6.4 SI-Aided Linear Channel Estimator
  • 6.5 SI-Aided Iterative Receiver for Channel Estimation and Data Detection
  • 6.6 Simulation Results
  • 6.7 Chapter Summary and Conclusions
  • 6.8 Appendices
  • 7 Achievable Rates of Bidirectional Broadcast Channels With Self-Interference Aided Channel Estimation
  • 7.1 Introduction
  • 7.2 System Model
  • 7.3 Achievable Rates of SI-Aided Channel Estimation Scheme
  • 7.4 Simulation Results
  • 7.5 Chapter Summary and Conclusions
  • 7.6 Appendices
  • 8 Asymmetric Data Rate Transmission in Two-Way Relaying Systems With Network Coding
  • 8.1 Introduction
  • 8.2 System Model
  • 8.3 Transceiver Structures for Asymmetric Data Rate Transmission
  • 8.4 Optimized Signal Labeling
  • 8.5 Simulation Results
  • 8.6 Chapter Summary and Conclusions
  • 8.7 Appendices
  • 9 Conclusions and Outlooks
  • 9.1 Conclusions
  • 9.2 Future Work

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