Complex Structured Lattice Reduction Aided Linear Detection with Lower Complexity for STBC Two-user Uplink MIMO Systems

被引：0
|
作者：
An, Chan-ho [1 ]
Chae, Hyukjin [1 ]
Yang, Janghoon [2 ]
Ran, Rong [3 ]
Kim, Dong Ku [1 ]
机构：
[1] Yonsei Univ, Sch Elect & Elect Engn, Seoul 120749, South Korea
[2] Korean German Inst Technol, Seoul, South Korea
[3] Soongsil Univ Seoul, Sch Elect Engn, Seoul, South Korea
来源：
2012 IEEE CONSUMER COMMUNICATIONS AND NETWORKING CONFERENCE (CCNC) | 2012年
关键词：
TIME BLOCK-CODES; LIMITED FEEDBACK; 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：
In this paper, we propose a simple but effective lattice reduction (LR) scheme for an uplink with two antennas at the base station and two-users, each employing the Alamouti space-time block coding (STBC). By exploiting the inherent STBC structure of transmitted symbols from users, the proposed scheme computes the LLL-reduced channel matrix with low complexity. Simulation results reveal that the proposed scheme can achieve the same performance as a conventional lattice reduction schemes while saving about 70% computational complexity in terms of floating-point operations (flops).
引用
收藏
页码：827 / 831
页数：5
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