Hybrid-selection/optimum combining

被引:0
|
作者
Winters, JH [1 ]
Win, MZ [1 ]
机构
[1] AT&T Labs Res, Middletown, NJ 07748 USA
来源
IEEE VTC 53RD VEHICULAR TECHNOLOGY CONFERENCE, SPRING 2001, VOLS 1-4, PROCEEDINGS | 2001年
关键词
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper we propose and study hybrid-selection/optimum combining (H-S/OC). With this technique, L out of M diversity branches are weighted and combined to maximize the output signal-to-interference-plus-noise ratio. We first present computer simulation results for L=1, showing that selecting the antenna with the largest signal-to-interference power ratio (S/I), rather than the largest signal power, can significantly improve performance when a few strong interferers are present. Our results with equal-power interferers show that H-S/OC can greatly suppress more than L interferers when M > L. Finally, we present computer simulation results for an ANSI-136 TDMA cellular system which show a 7-fold increase in capacity for H-S/OC with L=1,M= 12 or L=2,M=4. Thus, H-S/OC offers the potential for systems to operate with multiple strong cochannel interferers and obtain diversity gain with only a few receiver chains.
引用
收藏
页码:113 / 117
页数:5
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