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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/28125

Title: An Analytic Method to Improve the Performance of a Space-Time Block Codes RAKE Receiver with Channel Estimation Error
Authors: Chi-Min Li;Chi-Yuan Li;I-Tseng Tang;Yu-Yu Peng
Contributors: NTOU:Department of Communications Navigation and Control Engineering
國立臺灣海洋大學:通訊與導航工程學系
Keywords: W-CDMA;STBC;RAKE;LOS;NLOS
Date: 2006
Issue Date: 2011-10-21T02:35:57Z
Publisher: Vancouver, Canada, International Wireless Communications and Mobile Computing Conference (IWCMC)
Abstract: Abstract:The well-known diversity technique, space-time block codes (STBC) can be employed at both the transmitting and receiving ends to increase the system capacity. Besides, RAKE receiver is in wideband code division multiple access (WCDMA) system to combat the multipaths fading. RAKE receiver can co-phase the multipaths signals and add these signals to form the coherent output in the temporal domain. Because of the spatial and temporal diversity features, the combination of STBC and RAKE receiver is expected to have further system improvement when the channel estimation is perfect. In this paper, we will derive an analytical result on system degradation in terms of signal interference noise ratio (SINR) of the STBC-RAKE receiver when channel estimation is imperfect in real practice. Besides, we will also propose an easy and analytic method to improve this degradation. Experimental measured examples are presented to analyze the system degradation and verify the effectiveness of the proposed method.
Relation: pp.479-484
URI: http://ntour.ntou.edu.tw/handle/987654321/28125
Appears in Collections:[通訊與導航工程學系] 演講及研討會

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