Patent ID: 7236782
Filing Date: 2007-06-26
Classification: H04W

Abstract:
1. A wireless communication apparatus for performing wireless communication using one first-channel of two first-channels each having a first-frequency-bandwidth, and performing wireless communication using a second-channel having a second-frequency-bandwidth which is wider than the first-frequency-bandwidth, the second-channel overlapping the two first-channels, the two first-channels and the second-channel being accessed in accordance with Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) in a Basic Service Set (BSS), comprising: a channel search device configured to execute a first channel search for an idle channel having the first-frequency-bandwidth and a second channel search for a an idle channel having the second-frequency-bandwidth, and obtain a search result indicating the idle channel having the first-frequency-bandwidth or the idle channel having the second-frequency-bandwidth; and a determination device configured to determine a channel to be used for the wireless communication using the one first-channel or the wireless communication using the second-channel, on the basis of the search result obtained by the channel search device.