A generalized rake receiver for DS-CDMA systems

被引：0
|
作者：
Bottomley, GE [1 ]
Ottosson, T [1 ]
Wang, YPE [1 ]
机构：
[1] Ericsson Inc, Res Triangle Pk, NC 27709 USA
来源：
2000 IEEE 51ST VEHICULAR TECHNOLOGY CONFERENCE, PROCEEDINGS, VOLS 1-3 | 2000年
关键词：
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, a generalized RAKE receiver for interference suppression and multipath mitigation is proposed. The receiver exploits the fact that time dispersion significantly distorts the interference spectrum from each base station in the downlink of a CDMA system. Compared to the conventional RAKE receiver, this generalized RAKE receiver may have more fingers and has different combining weights. The weights are derived from a maximum likelihood formulation, modeling the intracell interference as colored Gaussian noise. For a Wideband CDMA (W-CDMA) system and a realistic mobile: radio channel, capacity gains on the order of 100% are shown.
引用
收藏
页码：941 / 945
页数：5
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