| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce the probability of dropped calls during inter-system hard handoff in a radio communication system. <P>SOLUTION: When a hard handoff attempt is unsuccessful, the mobile station M3 will return to the original system S1 with information which the communication system uses to assist in the performance of future handoff attempts. Alternatively, with no handoff attempt made, the mobile station M3 monitors the destination system S2 then returns to the original system S1 with information used to assist in subsequent handoff attempts. The information returned from monitoring consists of results of a search for one or more pilots given at offsets in a specific list provided to the mobile station by the base station or a set of offsets based on a predetermined search algorithm. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
