Patent ID: 6526028
Filing Date: 2003-02-25
Classification: H04B,H04J,H04W

Abstract:
A method of controlling communication in a code division multiple access (CDMA) mobile communication system comprising a plurality of base stations and a mobile station for making it possible to communicate with said base stations via respective communication channels by a soft handover, said method comprising the steps of:measuring, in said mobile station, magnitude of fading in said communication channels to produce a determined result indicative of whether or not the magnitude of the fading has a value which is larger than a predetermined threshold value; transmitting, from said mobile station to said base stations via a reverse link, as a forward transmission power information signal, at least a fading information signal indicative of the determined result in order to carry out said carrying out of said forward transmission; carrying out forward transmission between said mobile station and a particular base station when fading is small; and carrying out forward transmission between said mobile station and at least two base stations including said particular base station when the fading is large.