Patent ID: 7116653
Filing Date: 2006-10-03
Classification: H04L

Abstract:
1. A method for adapting the operating mode of a multi-mode codec to changing transmission conditions in a CDMA mobile transmission network, comprising: whichever of two mobile stations (MS 1 ; MS 2 ) encounters a change in the transmission quality on its air interface, which causes it to change its codec operating mode, induces the other mobile station (MS 1 ; MS 2 ) in the case of a transmission between two mobile stations, or a transcoder in the case of a transmission from a mobile station to a public switching telephone network, to likewise change the codec operating mode; and having a radio network controller RNC instruct a mobile station MS via a signaling channel between the radio network controller RNC and the mobile station MS to use a different codec operating mode and to specify the time of change, once the radio network controller RNC has decided to change the codec operating mode.