Algorithms and Architectures for Channel Estimation and Multiuser Detection in CDMA Communication Systems

摘要：陈志华，无线通信系统中的信道估计与多用户检测，国立成功大学无线电工程研究所硕士论文。卡瓦拉罗：在下一代蜂窝CDMA网络中使用多用户检测有三个主要问题：信号和信道参数的估计，多用户估计和检测算法的实时硬件实现，以及系统对网络变化的适应性。 本计画针对多使用者环境中之频道估测与资料侦测演算法之发展与同时执行。 我们的目标是找到计算效率高的算法，是近远抵抗，能够跟踪缓慢变化的信道，并可以扩展到系统的天线阵列。 该项目的一个组成部分是这些算法的实现。 映射到并行架构的算法，特别是使用标准的DSP处理器结合定制的VLSI协处理器将进行研究。 该项目将多用户通信的发展与DSP和VLSI的发展相结合，为CDMA通信中的问题提供实用的解决方案。 * 奥布里M.布什计划主任，代理副主任网络和通信研究和网络结构部国家科学基金会

ABSTRACT: NCR-9506681, William Marsh Rice University, Algorithms and Architectures for Channel Estimation and Multiuser Detection in CDMA Communication System, PI-Behnaam Aazhang and Joseph R. Cavallaro: There are three major problems in using multiuser detection for the next generation cellular CDMA networks: estimation of the signal and channel parameters, real-time hardware implementation of multiuser estimation and detection algorithms, and system adaption to changes in the network. This project addresses the development and concurrent implementation of algorithms for channel estimation and data detection in a multiuser environment. The objective is to find computationally efficient algorithms that are near-far resistant, are capable of tracking slowly varying channels, and can be extended to systems with antenna arrays. An integral part of the project is the implementation of these algorithms. The mapping of the algorithms onto parallel architectures, particularly using standard DSP processors in combination with custom VLSI co-processors will be studied. The project combines developments in multiuser communications with developments in DSP and VLSI to provide practical solutions for problems in CDMA communications. ***************************************************************************** Aubrey M. BushProgram Director, Acting Deputy Divison DirectorDivision of Networking and Communications Research and InfrastructureNational Science Foundation