| 摘要 |
Of the antenna group composed of multiple ones of the transmission antennas and multiple ones of the reception antennas, the present method selects an antenna group which satisfies a first criterion relating to communication quality. Out of combinations of transmission antennas and reception antennas included in the selected antenna group, combinations which satisfy a second criterion relating to communication quality are selected. Using a part of or all of the selected combinations of transmission antennas and reception antennas, the above-mentioned communication is performed. As a result, selection of optimal transmission antennas and reception antennas according to radio communication environment can be performed with high speed with a smaller amount of operation amount than the previous art.
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