Patent ID: 7430168
Filing Date: 2008-09-30
Classification: H04B,H04W,Y02D

Abstract:
1. A wireless communication apparatus for performing packet communication using a plurality of transmission channels formed by spatial multiplexing, the wireless communication apparatus comprising: a plurality of reception branches configured to receive a spatially multiplexed wireless signal; a signal processor configured to process a signal received at each reception branch; and a controller configured to enable and disable each reception branch in accordance with a reception operation state, the controller performing packet detection using a part of the plurality of reception branches in a reception standby state and disabling reception operation of the remaining reception branches that do not perform packet detection; and in response to detection of a packet, the controller transitioning from the reception standby state to a packet reception state, enabling reception branches that are disabled in the reception standby state, and allowing the reception branches to receive a spatially multiplexed signal.