Patent ID: 8274961
Filing Date: 2012-09-25
Classification: H04W

Abstract:
1. A wireless communication system providing random access communication, concomitantly using the RTS/CTS method, comprising: a sending communication station, serving as an origin of data transmission, to transmit a frame including request to send (RTS) information, and initiate data transmission responsive to a reception of a frame including clear to send (CTS) information, the sending communication station describing in the frame including RTS information a lapse of time that starts and ends before the reception of an entirety of the frame including CTS information, transmitted by a destination communication station in response to a reception of the frame including RTS information, as medium reservation time information, wherein other communication stations which receive the frame including RTS information set a NAV (Network Allocation Vector) to prohibit transmission by the other communication stations only during the lapse of time defined by the medium reservation time information.