Patent ID: 6304755
Filing Date: 2001-10-16
Classification: H04W,Y02D

Abstract:
In a wireless communication system wherein a mobile station is moving from the coverage area of an origination system operating at a first frequency into the coverage area of a destination system operating at a second frequency, a method for providing handoff from said origination system to said destination system, the method comprising:predicting at least one PN offset associated with the destination system;transmitting, at the first frequency, from said origination system to said mobile station a set of search parameter data associated with the at least one PN offset;determining at said mobile station the availability of said destination system in accordance with said set of search parameter data;transmitting from said mobile station to said origination system a message indicative of the received strength of signals associated with the at least one PN offset measured at the mobile station;generating at said origination system a set of acquisition parameters in accordance with said message from said mobile station; andattempting at said mobile station to acquire said destination system in accordance with said set of acquisition parameters.