Kabushiki Kaisha Toshiba

Hidetsugu Aoki

Yuji Tohzaka

A first extended base station that forms a first cell and a second extended base station that forms a second cell operate for a cooperative communication of transmitting same data to a user terminal located in the first cell. A second signal processor that corresponds to the second extended base station generates a training signal specific to the first extended base station and the first extended base station and the second extended base station transmit same data and same training signals. Thus, a cooperative communication can be realized in a system that uses a training signal specific to a base station.

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Kanagawa-ken, Japan

Hidetsugu Aoki