BER criterion, for transmit beamforming in MISO-OFDM with limited feedback

被引：0
作者：
Zhang, Lei [1 ]
Wu, Gang [1 ]
Li, Shaoqian [1 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Key Lab Commun, Chengdu, Peoples R China
来源：
PROCEEDINGS OF FUTURE GENERATION COMMUNICATION AND NETWORKING, WORKSHOP PAPERS, VOL 2 | 2007年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, we propose a new beamforming vector selection criterion for transmit beamforming in multiple-input single-output (MISO) orthogonal frequency division multiplexing (OFDM systems with codebook-based limited feedback. By dividing the total subcarriers into a series of clusters, from the codebook we choose the "proper" one, which directly minimizes the average bit error rate (BER) of the considered cluster, as the beamforming vector for this cluster. The simulation results show that the proposed beamforming vector selection criterion surpasses other approaches based on indirect performance indicators in [5-7] in terms of the uncoded BER performance.
引用
收藏
页码：177 / 180
页数：4
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