Patent ID: 6775261
Filing Date: 2004-08-10
Classification: H04B

Abstract:
A method for use in acquiring/searching channels in a frequency division multiple access (FDMA) wireless system, said method comprising;(a) communicating with a base station via a digital wireless system that uses a trunking technique other than FDMA; (b) receiving a signal that includes a block of FDMA channels; (c) filtering the received signal so as to select a frequency band that includes the block of FDMA channels; (d) sampling the filtered signal to obtain a number of samples; (e) processing the samples to obtain a value for each of plural different frequency bins; (f) calculating a measure of power for a FDMA channel based on at least one of the values obtained in step (e), wherein step (b) is performed intermittently during short breaks in communicating in step (a).