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Title: FDD DS-CDMA downlink beamforming by modifying uplink beamforming weights
Authors: Liang, Ying-Chang 
Chin, Francois P.S. 
Issue Date: 2000
Citation: Liang, Ying-Chang,Chin, Francois P.S. (2000). FDD DS-CDMA downlink beamforming by modifying uplink beamforming weights. IEEE Vehicular Technology Conference 1 (52 ND) : 170-174. ScholarBank@NUS Repository.
Abstract: Two new suboptimal algorithms are proposed for downlink beamforming in FDD DS-CDMA mobile radio by using uplink beamforming weights. One is null constraint (NC) method, which constrains same null positions for both uplink and downlink. The other is frequency calibration (FC) method, which constrains the same main beam positions for both links. Even though the new algorithms are simple, they may provide larger capacity enhancement as compared with the DOA methods which just direct the main beam toward the desired user.
Source Title: IEEE Vehicular Technology Conference
ISSN: 07400551
Appears in Collections:Staff Publications

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