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

页码：827 / 831

页数：5

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