Patent ID: 6912391
Filing Date: 2005-06-28
Classification: H04W

Abstract:
1. A method of controlling hand over in a mobile communication system comprising a mobile station, a plurality of base stations each communicating with the mobile station, and a base station controller controlling the plurality of base stations, said method comprising: each of the plurality of base stations transmitting a perch channel signal which decides a range of a cell (sector) to be covered by one base station to the mobile station; the mobile station measuring a received level of the perch channel signal when the signal is received from the plurality of base stations, and based on a result of the measurement, transmitting information on a hand over source cell (source sector), a hand over destination candidate cell (candidate sector) and on the received level of the perch channel signal associated with these cells (sectors) to each of the base stations; each of the base stations transmitting the information to the base station controller when the information is received from the mobile station; and when the base station controller receives the information from the mobile station through the plurality of base stations, the controller performing the steps of: