Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/34833
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dc.titleDownlink beamforming method in FDD wireless communication systems
dc.contributorNATIONAL UNIVERSITY OF SINGAPORE
dc.contributor.authorLIANG, YING-CHANG
dc.contributor.authorCHIN, FRANCOIS P.S
dc.date.accessioned2012-10-05T06:01:01Z
dc.date.available2012-10-05T06:01:01Z
dc.date.issued2004-05-12
dc.identifier.citationLIANG, YING-CHANG,CHIN, FRANCOIS P.S (2004-05-12). Downlink beamforming method in FDD wireless communication systems. ScholarBank@NUS Repository.
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/34833
dc.description.abstractA method for downlink beamforming in a frequency-division-duplex wireless communications system comprising a base station with an antenna array and terminals that are physically remote from said base station, the method comprising the steps of: receiving at said base station antenna array combinations of arriving uplink signals from said plurality of remote terminals, estimating an uplink beamforming weight vector for each of said terminals from said combinations of arriving uplink signal; identifying uplink nulls and an uplink main beam position from said uplink beamforming weight vector; transforming each of said uplink nulls to form a corresponding downlink null; generating a downlink beamforming weight vector from all downlink nulls; and transmitting a set of information signals from said base station antenna array according to said downlink. beamforming weights.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/http://analytics.patsnap.com/patent_view/view?pn=EP1191706A3
dc.sourcePatSnap
dc.typePatent
dc.contributor.departmentCENTRE FOR WIRELESS COMMUNICATIONS
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.identifier.isiutNOT_IN_WOS
dc.description.patentnoEP1191706A3
dc.description.patenttypePublished Application
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