Interference resistant receivers for WCDMA MIMO downlink

被引：0
|
作者：
Kiiskilä, K [1 ]
Hooli, K [1 ]
Ylioinas, J [1 ]
Juntti, M [1 ]
机构：
[1] Univ Oulu, Ctr Wireless Commun, FIN-90014 Oulu, Finland
来源：
VTC2005-SPRING: 2005 IEEE 61ST VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, PROCEEDINGS | 2005年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Optimal and suboptimal spatial maximum a posteriori (MAP) receivers in a concatenation of linear minimum mean square error (LMMSE) equalizer structure are presented for multiple-input-multiple-output (MIMO) wideband code division multiple access (WCDMA) systems. The performance of a list sphere detector is compared to that of the spatial MAP and LMMSE-MAP receivers. The complexity of the receivers is also discussed. Finally, the LMMSE-MAP based receivers are proposed for the frequency selective fading channels where LMMSE part mitigates the multiple access interference (MAI) and inter-antenna interference (IAI) is mitigated by the spatial MAP or its approximation. Remarkable performance gains compared to the conventional rake receiver are observed in computer simulations with realistic WCDMA system parameters.
引用
收藏
页码：836 / 840
页数：5
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