Patent ID: 8619751
Filing Date: 2013-12-31
Classification: H04W

Abstract:
1. A communication apparatus comprising: a wireless communication unit configured to perform directional wireless communication in accordance with a communication scheme that uses a predetermined high-frequency band, wherein when a transmission stop request frame that requests that a predetermined transmission stop period be set is received, a direction of a transmission source from which the transmission stop request frame is transmitted is stored, and the transmission stop period is set, wherein within the transmission stop period, transmission of frames is controlled in accordance with the direction of the transmission source, wherein within the transmission stop period, a transmission start request frame (RTS: Request To Send) is transmitted by directing a transmission beam of the wireless communication unit in a separation direction that is separate from the direction of the transmission source, wherein, an acknowledgement frame (CTS: Clear To Send) received in response to the transmitted transmission start request frame (RTS: Request To Send) from a device located in the separation direction indicates that the device is located in a direction that is sufficiently separate from the direction of the transmission source so as to avoid obstruction of transmission, and data frames are transmitted in response to the received acknowledgement frame (CTS: Clear To Send) by directing a transmission beam of the wireless communication unit toward the device located in the separation direction, and wherein when a direction of a frame transmission destination corresponding to the separation direction is separate from the direction of the transmission source, within the transmission stop period, transmission of frames is performed by directing a transmission beam of the wireless communication unit toward the device located in the direction of the frame transmission destination.