Patent ID: 6411808
Filing Date: 2002-06-25
Classification: H04B,H04M,H04W,Y02D

Abstract:
A portable terminal equipment for use in conjunction with a cell station that transmits a control channel, the portable terminal equipment comprising:a control channel receiving moans having a control channel receiving state for receiving the control channel, an out-of-synchronism detecting means for detecting that the equipment is not synchronized with the control channel, an out-of-synchronism occurrence counting means responsive to the out-of-synchronism detecting means for counting number of times that the out-of-synchronism detecting means has detected that the equipment is not synchronized with the control channel during a preceding time period of predetermined duration, and a reception controlling means responsive to the out-of-synchronism occurrence counting means for intermittently placing the control channel receiving means at a rate of occurrence such that, when the out-of-synchronism with the control channel is detected by the out-of-synchronism detecting means, the more the number of times of out-of-synchronism during the preceding time period of predetermined duration, the higher the rate of occurrence is made, the number of times being provided by the out-of-synchronism occurrence counting means.