Coding schemes for multicode CDMA systems.

Abstract

Zhao Fei.Thesis (M.Phil.)--Chinese University of Hong Kong, 2003.Includes bibliographical references (leaves 87-89).Abstracts in English and Chinese.Chapter 1. --- Introduction --- p.1Chapter 1.1 --- Multirate Scheme --- p.2Chapter 1.1.1 --- VSF Scheme --- p.3Chapter 1.1.2 --- Multicode Scheme --- p.5Chapter 1.2 --- Multicode CDMA System --- p.7Chapter 1.2.1 --- System Model --- p.7Chapter 1.2.2 --- Envelope Variation of Multicode Signal --- p.9Chapter 1.2.3 --- Drawback of Multicode Scheme --- p.11Chapter 1.3 --- Organization of the Thesis --- p.13Chapter 2. --- Related Work on Minimization of PAP of Multicode CDMA --- p.15Chapter 2.1 --- Constant Amplitude Coding --- p.16Chapter 2.2 --- Multidimensional Multicode Scheme --- p.22Chapter 2.3 --- Precoding for Multicode Scheme --- p.25Chapter 2.4 --- Summary --- p.26Chapter 3. --- Multicode CDMA System with Constant Amplitude Transmission --- p.27Chapter 3.1 --- System Model --- p.28Chapter 3.2 --- Selection of Hadamard Code Sequences --- p.31Chapter 3.3 --- The Optimal Receiver for the Multicode System --- p.37Chapter 3.3.1 --- The Maximum-Likelihood Sequence Detector --- p.38Chapter 3.3.2 --- Maximum A Posteriori Probability Detector --- p.41Chapter 4. --- Multicode CDMA System Combined with Error-Correcting Codes --- p.45Chapter 4.1 --- Hamming Codes --- p.46Chapter 4.2 --- Gallager's Codes --- p.48Chapter 4.2.1 --- Encoding of Gallager's Codes --- p.48Chapter 4.2.2 --- Multicode Scheme combined with Gallager's Code --- p.52Chapter 4.2.3 --- Iterative Decoding of the Multicode Scheme --- p.55Chapter 4.3 --- Zigzag Codes --- p.59Chapter 4.4 --- Simulation Results and Discussion --- p.62Chapter 5. --- Multicode CDMA System with Bounded PAP Transmission --- p.68Chapter 5.1 --- Quantized Multicode Scheme --- p.69Chapter 5.1.1 --- System Model --- p.69Chapter 5.1.2 --- Interference of Code Channels --- p.71Chapter 5.2 --- Parallel Multicode Scheme --- p.74Chapter 5.2.1 --- System Model --- p.74Chapter 5.2.2 --- Selection of Hadamard Code Sequences --- p.75Chapter 6. --- Conclusions and Future Work --- p.82Chapter 6.1 --- Conclusions --- p.82Chapter 6.2 --- Future Work --- p.84Bibliography --- p.8