DOWNLINK MBER BEAMFORMING TRANSMITTER BASED ON UPLINK MBER BEAMFORMING RECEIVER FOR TDD-SDMA MIMO SYSTEMS

被引：0
|
作者：
Chen, Sheng [1 ]
Yang, Lie-Liang [1 ]
机构：
[1] Univ Southampton, Sch ECS, Southampton SO17 1BJ, Hants, England
来源：
2009 IEEE/SP 15TH WORKSHOP ON STATISTICAL SIGNAL PROCESSING, VOLS 1 AND 2 | 2009年
关键词：
Minimum bit error rate; time division duplex; transmit beamforming; space-division multiple-access; SINR CONSTRAINTS; WIRELESS; DUALITY;
D O I：
10.1109/SSP.2009.5278545
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 downlink minimum bit error rate (MBER) transmit beamforming is directly derived based on the uplink MBER receive beamforming for time division duplex (TDD) space-division multiple-access (SDMA) multiple-input multiple-output systems, where the base station (BS) is equipped with multiple antennas to support multiple single-antenna mobile terminals (MTs). It is shown that the relationship between multiuser detection and multiuser transmission can still be applied for the rank-deficient system where the number of users supported is more than the number of transmit antennas available at the BS, if the MBER design is adopted. The proposed MBER transmit beamforming scheme is capable of achieving good performance for rank-deficient TDD-SDMA systems with the support of low-complexity and high power-efficient MTs, and its robustness to the downlink and uplink noise or channel mismatch is verified using simulation.
引用
收藏
页码：433 / 436
页数：4
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