METHOD AND APPARATUS FOR GROUPING ANTENNAS IN MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM

摘要

The present invention relates to an antenna grouping method and system in a multiple input and multiple output system. The method includes the steps of: measuring a channel vector for a plurality of antennas in a base station; grouping channel coefficients of the channel vector according to a plurality of antenna grouping patterns; determining grouped codebook vectors corresponding to the grouped channel coefficients; selecting one antenna grouping pattern among the antenna grouping patterns by using the grouped codebook vectors for the antenna grouping patterns; and feeding back to the base station a pattern index indicating the selected antenna grouping pattern and a codebook index indicating the grouped codebook vector corresponding to the selected antenna grouping pattern.