Patent ID: 7239875
Filing Date: 2007-07-03
Classification: H04W

Abstract:
1. A method of establishing or releasing a radio connection between a first mobile user station and a first cell for wireless telecommunications during a call with the first mobile user station whilst the call continues and dependent upon at least one predetermined criterion being met, in a network for wireless telecommunications handling calls with various data rates to mobile user stations such that some of the mobile user stations at a time have multiple radio connections to the network via multiple cells, the method comprising: sending a pilot signal between the first cell and the first mobile user station, detecting received signal quality of the pilot signal between the first cell and the first mobile user station, determining that said signal quality of the pilot signal meets said at least one predetermined criterion and so establishing or releasing said radio connection, and selecting at least one predetermined criterion, said at least one predetermined criterion being dependent upon data rate of the call, such that fewer multiple radio connections are made with the mobile user station when the data rate of the call is higher than when it is lower.