Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/34830
Title: Downlink beamforming method
Authors: LIANG, YING CHANG 
CHIN, FRANCOIS PO SHIN 
Issue Date: 28-Mar-2001
Source: LIANG, YING CHANG,CHIN, FRANCOIS PO SHIN (2001-03-28). Downlink beamforming method. ScholarBank@NUS Repository.
Abstract: A method for downlink capacity enhancement in a wireless communications system comprising a base station with antenna array and terminals that are physically remote from said base station, the method comprising steps of: receiving at said base station antenna array combinations of arriving signals from said plurality of remote terminals; estimating an uplink channel covariance matrix (UCCM) for each of said terminals from said combinations of arriving signals; constructing from each of said UCCM a downlink channel covariance matrix (DCCM); calculating from all said DCCM a downlink weight vector for each of said terminals; and transmitting a set of information signals from said base station antenna array according to said downlink weight vectors.
URI: http://scholarbank.nus.edu.sg/handle/10635/34830
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