Multistage multiuser detection for CDMA with space-time coding

被引：0
|
作者：
Zhang, YM [1 ]
Blum, RS [1 ]
机构：
[1] Lehigh Univ, Dept EECS, Bethlehem, PA 18015 USA
来源：
PROCEEDINGS OF THE TENTH IEEE WORKSHOP ON STATISTICAL SIGNAL AND ARRAY PROCESSING | 2000年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The combination of Turbo codes and space-time block codes is studied for use in CDMA systems. Each user's data are first encoded by a Turbo code. The Turbo coded data are next seat to a space-time block encoder which employs a BPSK constellation. The space-time encoder output symbols are transmitted through the fading channel using multiple antennas. A multistage receiver is proposed using non-linear MMSE estimation and a parallel interference cancellation scheme. Simulations show that with reasonable levels of multiple access interference (rho less than or equal to 0.3), near single user performance is achieved. The receiver structure is generalized to decode CDMA signals with space-time convolutional coding and similar performance is observed.
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页码：1 / 5
页数：5
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