Patent ID: 6901121

Claim:
A method of compensating for DC offset impairment in a sequence of input samples received over a channel, said method comprising the steps of: calculating a DC offset impairment estimate k= p · u wherein p is a vector defined as p _ = 1 _ H ⁢ A H ⁢ A 1 _ H ⁢ A H ⁢ A ⁢ 1 _ , u is a vector representing uncompensated training sequence input samples, A is a vector defined as A=I−H·LS, I is the Identity matrix, H is a convolution matrix, LS is a Least Square matrix used to derive an estimate of the channel, k is the DC offset estimate; and subtracting said DC offset impairment estimate from each input sample so as to generate a sequence of compensated input samples.