Patent ID: 6243372
Filing Date: 2001-06-05
Classification: H04J,H04L

Abstract:
A communication network, comprising:a base station, said base station comprisingan adjustable base station oscillator circuit outputting a base station clock signal,base station clock circuitry for adjusting said base station oscillator circuit, andbase station transmission circuitry for transmitting over the air, based on the base station clock signal, a preamble; anda mobile station, said mobile station comprisingan antenna for receiving the preamble transmitted by said base station,mobile station circuitry for detecting the preamble and generating a base station timing signal upon detection of the preamble,an adjustable mobile station oscillator circuit outputting a mobile station clock signal,a mobile station controller outputting a controller signal comprising a timing count based on the mobile station clock signal; andmobile station clock circuitry for generating an adjustment signal to adjust said mobile station controller, the adjustment signal determined by the base station timing signal and the controller signal.