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METHOD AND APPARATUS TO SUPPORT SINGLE USER (SU) AND MULTIUSER (MU) BEAMFORMING WITH ANTENNA ARRAY GROUPS
METHOD AND APPARATUS TO SUPPORT SINGLE USER (SU) AND MULTIUSER (MU) BEAMFORMING WITH ANTENNA ARRAY GROUPS
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机译:天线阵列支持单用户(SU)和多用户(MU)波束成形的方法和装置
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摘要
A method and apparatus are used to support single user (SU) and multiuser (MU) beamforming with antenna array groups. The method and apparatus are used to precode a plurality of data streams, beamform each of the data streams, and provide each of the beamformed data streams to one of a plurality of antenna array groups. An alternate method and apparatus are used to select a beamforming vector from a codebook, transmit a common reference signal (RS) based on the selection, receive an antenna configuration responsive to the common RS, estimate channels based on the antenna configuration, determine beamforming vectors for a plurality of antenna array groups, and transmit the beamforming vectors.
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