Patent ID: 6594247
Filing Date: 2003-07-15
Classification: H04W

Abstract:
A method for contention resolution in a radio system having a plurality of radios, at least one radio designated as a group leader, and one radio from amongst the plurality of radios is designated a master radio, the method comprising the steps of:(a) detecting at the master radio that a channel contention has occurred between at least two radios in the radio system; (b) broadcasting to the plurality of radios, by the master radio, a message for contention assistance; (c) transmitting by the at least one group-leader radio to the master radio the radio-identification information it was able to receive from at least one of the two radios that is in contention; (d) transmitting a channel-access grant message to one of the contending radios by the master radio based on the radio-identification information transmitted by the at least one group leader radio; and comprising the further step of: (b1) disabling transmissions in all of the plurality of radios except for the at least one group leader for a predetermined period of time upon the plurality of radios receiving the transmission in step (b).