Rate-Splitting Methods for Interference Management in Cellular Wireless Systems

Guangxia Zhou

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Guangxia Zhou, Rate-Splitting Methods for Interference Management in Cellular Wireless Systems (2018), Logos Verlag, Berlin, ISBN: 9783832590314

Beschreibung / Abstract

In this thesis, rate-splitting based interference exploitation has been investigated in order to bridge theory and practice. The results shows that conventional detection-decoding techniques cannot provide desirable results within a reasonable complexity and thereby substantially reduce interference mitigation gains. A multi-layer rate splitting scheme is proposed to deal with this obstacle. This multi-layer rate splitting scheme can approach or achieve the same
maximum sum rate as that achieved by joint decoding.

Inhaltsverzeichnis

  • BEGINN
  • Summary
  • Acknowledgements
  • List of Figures
  • List of Tables
  • Abbreviations
  • Notations
  • 1 Introduction
  • 1.1 Motivation and Research Focus
  • 1.2 Outline
  • 2 Fundamentals of Interference Channels
  • 2.1 Interference Channel
  • 2.2 Known Results of Interference Channel Capacity
  • 2.3 Achievable Rate Region of an Interference Channel
  • 2.4 Simple Han-Kobayashi Scheme
  • 2.5 Conclusions
  • 3 Han-Kobayashi Scheme for Cellular Wireless Networks
  • 3.1 Downlink Multi-cell OFDMA Networks
  • 3.2 Coordinated Multipoint Transmission Strategies
  • 3.3 Comparison of Interference Avoidance and Interference Exploitation
  • 3.4 Application Scenarios of a Han-Kobayashi Scheme
  • 3.5 On the Expanded Region of a Pico-cell
  • 3.6 Conclusions
  • 4 Successive Decoding for Han-Kobayashi based Interference Exploitation
  • 4.1 Capacity-Approaching Coding and Modulation
  • 4.2 Detection-Decoding for Two-User MAC
  • 4.3 Detection-Decoding for Interference Channel
  • 4.4 Multi-Layer Rate Splitting for Joint Decoding
  • 4.5 Conclusions
  • 5 System Design of Multi-Layer Rate Splitting
  • 5.1 Analysis and Design of SCM
  • 5.2 MLRS System based on SCM-OFDM
  • 5.3 Interference-Aware Detection Techniques
  • 5.4 Conclusions
  • 6 MLRS System for Practical Applications
  • 6.1 Application of the Simple Han-Kobayashi Scheme
  • 6.2 Optimal Power Allocation for an MLRS System
  • 6.3 Distributed Power Allocation for an MLRS System
  • 6.4 Conclusions
  • 7 Conclusions
  • A Review of Mathematical Foundations
  • A.1 Worst Case Noise Lemma
  • A.2 Log-Likelihood Ratios
  • B Rate Allocation for Two-User MAC
  • B.1 System Model
  • B.2 Definition of EXIT Charts and Area Theorem
  • C System Simulation Assumptions
  • Bibliography

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