Patent ID: 9072085
Filing Date: 2015-06-30
Classification: H04W

Abstract:
1. A method for enhancing Slow Associated Control Channel (SACCH) performance, the method comprising: if a user on a Voice services over Adaptive Multi-user channels on One Slot (VAMOS) sub-channel, that uses a half-rate Traffic Channel (TCH), is contained in a paired user group, receiving, from a base station, instruction information to alternately use a half-rate sub-channel if the 26-multiframe is numbered even in the SACCH period, transmitting by the user, a TCH frame and a SACCH frame over an originally allocated half-rate sub-channel among the half-rate sub-channel if the 26-multiframe is numbered odd in the SACCH period, swapping the originally allocated half-rate sub-channel to another half-rate sub-channel among the half-rate sub-channel wherein the half-rate sub-channel wherein the SACCH period is composed of 4 continuous 26-multiframes.