MIMO communication system with user scheduling based on reduced channel state information (publication date 09-10-2008)

S.C. Borst (Inventor), P.A. Whiting (Inventor)

Research output: PatentPatent publication

27 Downloads (Pure)

Abstract

A multiple-input, multiple-output (MIMO) communication system is configured to perform user scheduling with reduced channel station information. The system includes multiple terminals and at least one base station configured to communicate with the terminals. The base station is operative to obtain channel vector magnitudes for respective ones of the terminals, to identify a subset of the terminals based on the channel vector magnitudes, to obtain channel vector phase information for the identified subset of terminals, and to utilize the channel vector phase information to control transmission to the identified subset of terminals. The system may be, for example, a multi-user MIMO system in which the multiple terminals comprise autonomous single-antenna terminals.
Original languageEnglish
Patent numberUS7801238
Publication statusPublished - 21 Sep 2010

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