Patent ID: 7630733
Filing Date: 2009-12-08
Classification: H04L,H04W

Abstract:
1. A transmission rate control method for controlling a transmission rate of uplink user data, comprising: controlling, at a mobile station, the transmission rate of the uplink user data based on a maximum allowable transmission rate notified by an absolute rate grant channel and/or a command notified by a relative rate grant channel, when the mobile station is not in a soft handover; notifying, at a radio network controller, the mobile station of a maximum allowable transmission rate, by a soft handover setting request; controlling, at the mobile station, the transmission rate of the uplink user data based on the maximum allowable transmission rate notified by the soft handover setting request, after the mobile station starts a soft handover and before the mobile station receives at least one of: a maximum allowable transmission rate via an absolute rate grant channel from a serving cell for the mobile station, and a command notified by a relative rate grant channel; and controlling, at the mobile station, the transmission rate of the uplink user data based on at least one of: the maximum allowable transmission rate notified by the absolute rate grant channel, and the command notified by the relative rate grant channel from the serving cell, when the mobile station is in a soft handover.