Patent ID: 7701899
Filing Date: 2010-04-20
Classification: H04W

Abstract:
1. A method in a cellular mobile telecommunication system where multiple radio base stations, each having a corresponding cell coverage area, broadcast information to permit mobile radio stations in or near the cell coverage area corresponding to one of the base stations to identify that base station, comprising: broadcasting from the one base station on a broadcast radio channel for the one base station first information identifying the one base station along with other broadcast channel control information unrelated to identifying the one base station, when a predetermined condition is detected, broadcasting from the one base station on a radio channel different from the broadcast radio channel second control information identifying the one base station while still continuing the broadcast on the broadcast radio channel, and when the predetermined condition abates, discontinuing the broadcast on the different radio channel and continuing the broadcast on the broadcast radio channel, wherein the second control information does not contain the other broadcast channel control information, and wherein the predetermined condition includes another interfering base station sending the first control information on a same radio frequency that the radio station is transmitting on or with the same base station identifier.