Patent ID: 6608824
Filing Date: 2003-08-19
Classification: H04L,H04W

Abstract:
A transmission controlling method for renewing control information in a communication system where an access for transmission between a plurality of communicating stations of the communication system is executed based on the control information transmitted from a control station of the communication system, comprising the steps of:causing said control station to transmit renewal control information and to transmit timing information relating to a time of occurrence of renewal prior to the time of occurrence of the renewal, and causing said plurality of communicating stations to renew said control information based on received renewal control information at the time of occurrence set by the received timing information, wherein said timing information transmitted by said control station is count value information, and further comprising the step of: causing said communicating station which receives the count value information to count down or to count up from a count value specified by said count value information and to renew said control information with the renewal control information when the counted-down or counted-up value becomes a predetermined value.