NSIP Law
Method and apparatus for feedback in multi-user multiple-input multiple-output (MU-MIMO) communication system
Provided is a feedback method and apparatus in a multiple-input multiple-output (MIMO) communication system. A terminal may determine a preferred pre-coding matrix for a neighboring terminal, based on a reference rank determined by a base station and a preferred pre-coding matrix of the terminal. The terminal may calculate a channel quality indicator (CQI) based on the preferred precoding matrix for the neighboring terminal, and may feed the CQI back to the base station.
Samsung Electronics Co., Ltd.
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Ki Il Jun Il Bruno
Kim Choi Clerckx