Patent ID: 7646823

Claim:
A method comprising: determining, in a receiver, a sampling frequency offset (SFO) for symbols of a signal communicated across a multiple antenna communication channel, in which preambles to be utilized for channel estimation are communicated in the symbols over more than one time period, wherein SFO for a first symbol communicated during a first time period and a second symbol communicated during a second time period have a substantially linear phase response that is dependent on frequency and a SFO phase shift between the first symbol and the second symbol has a proportional shift based on the linear response that is dependent on frequency; modifying, in the receiver, a weighting matrix that is employed to perform channel estimation to determine an estimate of the communication channel, the weighting matrix modified to account for the SFO phase shift between the first and second symbols; and performing, in the receiver, channel estimation using the modified weighting matrix to correct for the SFO phase shift between the first and second time periods.