Enhanced MIMO cooperative communication based on signal space diversity

被引:0
作者
Gao, Xiang [1 ]
Wu, Zhanji [1 ]
He, Sheng [1 ]
Shi, Yongtao [1 ]
Zhou, Xiaoping [2 ]
机构
[1] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing, Peoples R China
[2] Chinese Acad Sci, Inst Microelect, Beijing, Peoples R China
来源
2014 9TH INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND NETWORKING IN CHINA (CHINACOM) | 2014年
关键词
virtual MIMO; signal space diversity; channel coding; cooperative diversity;
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
Cooperative communication enables collaborate mobile terminals to share each other's antennas to construct a virtual multiple-input multiple-output (MIMO) system. Through partitioning a user's code word into two parts, coded cooperation (CC) method integrates cooperation with channel coding and significantly improves the performance. In this paper, CC method is extended to spatial-multiplexing-based MIMO system that terminals and base station (BS) are all equipped with multiple antennas. On the basis of MIMO CC scheme, an enhanced cooperative communication scheme based on signal space diversity (SSD) is proposed. Through jointly using the components interleaver in spatial-multiplexing-based MIMO and mechanism of user collaboration, it can increase the diversity order and achieve impressive gains compared to non-cooperative system and MIMO CC scheme in slow fading channel while maintaining the same information rate, transmit power and bandwidth.
引用
收藏
页码:432 / 437
页数:6
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