Patent ID: 6212371
Filing Date: 2001-04-03
Classification: H04W,Y02D

Abstract:
A mobile wireless terminal, comprising:RF receiving means for receiving a transmission radio wave received from a base station on a designated channel;a waveform equalizer for equalizing waveform distortion of a signal received by said RF receiving means;a unique word detector for detecting a unique word from a reception signal sequence whose waveform distortion has been equalized by said waveform equalizer;channel switching controlling means for switching the current reception channel of said RF receiving means to another reception channel corresponding to a channel switch request;carrier detector for detecting whether or not a transmission radio wave has been received by said RF receiving means and supplying a channel switch request to said channel switching controlling means when the transmission radio wave has not been received for a predetermined time period; andsliding controlling means for performing an on/off control for the power of said waveform equalizer at predetermined intervals for a predetermined time period when a transmission radio wave has been detected by said carrier detector, for turning off the power of said waveform equalizer and supplying a channel switch request to said channel switching controlling means if a unique word has not been detected by said unique word detector when the on/off control had been performed, and for performing the on/off control for the power of said waveform equalizer in synchronization with a frame period of the reception signal sequence corresponding to a detection timing of the unique word when the unique word has been detected.