Patent ID: 8731039

Claim:
A method of channel tracking, the method comprising: computing, with a transceiver device, an estimate of a multiple input, multiple output (MIMO) channel based on a training signals transmitted in a preamble portion of a packet; computing, with a matrix equalizer computational device of the transceiver device when the matrix equalizer computational device is not needed for equalization, an equalizer to be applied to a received Orthogonal Frequency Division Modulation (OFDM) signal corresponding to the packet, wherein the equalizer is initialized based on the estimate of the MIMO channel; applying, with the matrix equalizer computational device, the equalizer to the received OFDM signal; demodulating, with the transceiver device, the received OFDM signal to generate a demodulated signal; decoding, with the transceiver device, the demodulated signal according to an error correction code to generate decoded data; re-encoding, with the transceiver device, the decoded data according to the error correction code to generate re-encoded data; re-modulating, with the transceiver device, the re-encoded data to generate a re-modulated signal; comparing, with the transceiver device, the received OFDM signal to the re-modulated signal; updating, with the-transceiver device, the equalizer based on comparing the received OFDM signal to the re-modulated signal; and after updating the equalizer, applying, with the matrix equalizer computational device, the equalizer to the received OFDM signal corresponding to the packet.