Patent ID: 7391789
Filing Date: 2008-06-24
Classification: H04W

Abstract:
1. An ad-hoc network wireless communication system that transmits data packets from one hop to another hop in a relay manner, the communication system comprising: a transmitting node operable to transmit a request-to-send (RTS) message in order to transmit the data packets; and a receiving node, existing in a next hop of the transmitting node, operable to transmit a responsive clear-to-send (CTS) message in response to the RTS message transmitted from the transmitting, node, and operable to transmit a responsive CTS message in response to a CTS message transmitted from another receiving node successively connected to the receiving node, the receiving node comprising: wherein the receiving node transmits the responsive CTS message to another receiving node successively connected to the receiving node in response to the transmitted CTS message, and the transmitting node transmits the data packets to the receiving node in the case that responsive CTS messages transmitted by the receiving node of the next hop are received over a predetermined number of times.