Patent ID: 8094733
Filing Date: 2012-01-10
Classification: H04B,H04L,H04W

Abstract:
1. A method for feeding back channel quality information (CQI), at a mobile station, in a wireless communication system based on Orthogonal Frequency Division Multiple Access (OFDMA), the method comprising: calculating, at the mobile station, a wideband CQI for an entire band, the entire band including a plurality of sub-bands; calculating, at the mobile station, a sub-band CQI for at least one sub-band; transmitting, at the mobile station, the sub-band CQI and the wideband CQI at different time intervals for periodic CQI transmission; and transmitting the sub-band CQI and the wideband CQI at a same time interval for aperiodic CQI transmission.