A multiple antennas Rake receiver with equalization in time-domain for UWB communications

被引：0
|
作者：
Ping'an, Li [1 ]
Ting, Chen [1 ]
Kewen, Liu [1 ]
机构：
[1] Wuhan Univ Technol, Sch Informat Engn, Wuhan 430070, Peoples R China
来源：
IEEE 2007 INTERNATIONAL SYMPOSIUM ON MICROWAVE, ANTENNA, PROPAGATION AND EMC TECHNOLOGIES FOR WIRELESS COMMUNICATIONS, VOLS I AND II | 2007年
关键词：
UWB rake receiver; MMSE-equalizer; MMSE-antenna diversity;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a new Rake receiver of the Ultra-wide band (UWB) system with multiple receive antennas is proposed. To economize the System resource, an antenna selection scheme is used. For each selected antenna, the maximal ratio RAKE combination is applied to the multi-path signals. The Outputs corresponding to all selected antennas are then combined according to the minimum mean square error (MMSE) criterion. Furthermore, we designed a MMSE equalizer in the time-domain to effectively eliminate the inter-symbol interference. The joint utilization of the antenna selection, RAKE and equalization schemes in the receiver gives the presented system superior performance compared with the existing UWB receivers. Simulation examples based on IEEE 802.15.3a channel model are given.
引用
收藏
页码：17 / 21
页数：5
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