通用多载波CDMA无线传输体制及其研究进展

黎海涛; 陆建华

通用多载波CDMA无线传输体制及其研究进展

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出版历程
- 收稿日期: 2003-01-03
- 修回日期: 2003-04-21
- 刊出日期: 2003-12-19

Overview of Generalized Multicarrier CDMA for Wireless Transmission

摘要

摘要: 为实现高速率无线多媒体信息传输，近年来提出了一种新的无线传输体制通用多载波码分多址(GMC CDMA)。在GMC CDMA中，通过把信息符号流转换成符号块后，在符号块级冗余扩频，消除了多用户间干扰和符号间干扰，从而具有对信道衰落不敏感、频谱效率高等优点，提高了系统误比特率性能和容量，是新一代无线通信系统中极具发展前景的技术体制。该文综述了GMC CDMA的原理、设计、性能特点以及研究进展等，并讨论了几个热点研究问题。
- 通用多载波; 预编码; 分块传输; 符号块扩频
Abstract: A novel Generalized MultiCarrier CDMA (GMC CDMA) transmission scheme has been proposed recently. With a block-wise transmission and spreading, GMC CDMA has been proven to be able to eliminate intersymbol interference and multiuser interference, while guaranteeing a good symbol recovery in multipath fading channel with improved bandwidth efficiency. This paper provides an intuition for the principle and design of GMC CDMA, summarizes research advancement in GMC CDMA and discusses several hot-spots of the research in the future.

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