Patent ID: 8428633
Filing Date: 2013-04-23
Classification: H04L,H04W

Abstract:
1. A method comprising: receiving a first frame by a wireless transmission; estimating a channel state information (CSI) and a channel quality indicator (CQI) of the first frame; determining a combined CSI of the first frame based at least in part on: the CSI of the first frame and a CSI of a second frame that was received prior to receiving the first frame; and an estimation of a Doppler spread of a communication channel between a base station and a user equipment; determining a combined CQI of the first frame based at least in part on the CQI of the first frame and the combined CSI, wherein said determining the combined CQI includes: determining an angle between the combined CSI and the CSI of the first frame; and determining the combined CQI as a ratio of the CQI of the first frame and a square of a cosine of the determined angle; and transmitting the CSI of the first frame and the combined CQI.