Patent ID: 7127247
Filing Date: 2006-10-24
Classification: H04W

Abstract:
1. A radio communication system comprising: a primary station, a plurality of secondary stations, a communication channel between the primary station and a secondary station, the communication channel comprising an uplink control channel and a downlink control channel for the transmission of control information between the primary and secondary stations, and a data channel for the transmission of data packets, each of the primary and secondary stations having traffic reduction means for reducing traffic in the uplink and downlink control channels, and control means for activating the traffic reduction means, the control means activating the traffic reduction means after a first data transmission on the data channel to cause the uplink and downlink control channels to enter into a dormant state during which control information is transmitted on the uplink and downlink control channels, the traffic reduction means being arranged to cause transmission of a reduced amount of control information on the uplink and downlink control channels while the uplink and downlink control channels are in the dormant state than the amount of control information transmitted on the uplink and downlink control channels during transmission of data packets on the data channel.