Novel techniques to improve downlink multiple access capacity for Beyond 3G

Authors:
Shidong Zhou;Yunzhou Li;Ming Zhao;Xibin Xu;Jing Wang;Yan Yao
Affiliations:
Tsinghua Univ., Beijing, China;-;-;-;-;-
Venue:
IEEE Communications Magazine
Year:
2005

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Abstract

In future public mobile access with high data rates, one of the main challenges we face is spectral efficiency. In this article we will focus on the following new spectrally efficient downlink multiple access techniques that may be essential parts of China's Beyond 3G system development: dynamic code-division multiplexing, an adaptive multi-input multi-output technique in distributed wireless communications systems, and interleaver pattern division multi-access.