Low-Complexity Optimal Detection for Hybrid Space-Time Block Coding and Spatial Multiplexing

被引：0
|
作者：
Wu, Yue [1 ]
Tellambura, Chintha [1 ]
机构：
[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2V4, Canada
来源：
2006 IEEE 64TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6 | 2006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 space-time block codes (STBQ and spatial multiplexing (SM) schemes has the advantages of diversity gain and high data rate. For such STBC/SM hybrid systems, we propose a new detector based on the block structure of STBC and the sphere decoder (SD). By employing the SD, optimal detection is performed with computational complexity much less than the brute-force maximum likelihood (ML) search. Simulation results show that the new decoder significantly outperforms the previously developed zero-forcing (ZF) group/STBC detector, the minimum mean square error (MMSE) group/STBC detector, and the MMSE and ML detectors for equivalent SM systems.
引用
收藏
页码：237 / 240
页数：4
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