標題: A beamspace-time blind RAKE receiver for sectored CDMA systems
作者: Lee, TS
Tsai, TC
Chen, CH
電信工程研究所
友訊交大聯合研發中心
Institute of Communications Engineering
D Link NCTU Joint Res Ctr
關鍵字: CDMA;RAKE receiver;array beamforming;interference cancellation
公開日期: 1-Apr-2001
摘要: A beamspace-time (BT) RAKE receiver is proposed for multiple access interference (MAT) suppression and multipath diversity reception in sectored wireless CDMA communications. The scheme involves three stages. First, a set of adaptive beamformers encompassing a prescribed angular sector is constructed on an antenna array, each providing effective suppression of out-of-sector MAI and reception of in-sector signal. Second, a set of adaptive correlators is attached to each beam to combat in-sector MAI. Finally, the beamspace correlator output data are combined to capture the signal multipaths coherently. The above three-stage operation is performed in a blind mode in that no training signal is needed. The only information required is the signature, timing and a rough estimate of the angle of arrival (AOA) of the desired signal.
URI: http://dx.doi.org/10.1023/A:1008969622024
http://hdl.handle.net/11536/29755
ISSN: 0929-6212
DOI: 10.1023/A:1008969622024
期刊: WIRELESS PERSONAL COMMUNICATIONS
Volume: 17
Issue: 1
起始頁: 65
結束頁: 83
Appears in Collections:Conferences Paper


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