Patent ID: 6195554
Filing Date: 2001-02-27
Classification: H04W

Abstract:
In a wireless communications network having a plurality of frequencies for providing service, a method of assigning transmission channels based on channel quality and interference measurement level comprising the steps of:discriminating said frequencies of said network to determine which transmission channels have an interference level less than a predetermined blocking threshold of interference;preassigning a transmission channel with an interference level less than said predetermined blocking threshold to an incoming call, wherein said transmission channel is available with the highest interference level less than the blocking threshold to said incoming call;monitoring the channel quality and interference levels of said preassigned transmission channel continuously, wherein said channel quality and interference levels include Bit Error Rate (BER) and Carrier to Interference (C/I) values of said transmission channels in said network;dividing the set of predetermined thresholds of channel quality into low, medium and high thresholds;dividing the set of predetermined thresholds of interference levels into low, medium and high thresholds; anddetermining whether to continue said call on said preassigned channel, drop said call, or reassign said call when the levels of channel quality and interference change beyond a set of predetermined thresholds.