Patent ID: 7995672

Claim:
A transceiver for use in a multi-input-multi-output (MIMO) Orthogonal Frequency Domain Multiplexing (OFDM) wireless communication system, the transceiver operative to transmit and receive information in the form of fields, the fields including signal fields and comprising: a decoder block of a MIMO OFDM wireless communication system responsive to a first signal field of a preamble of a packet transmitted in a communication channel, the first signal field having been modulated prior to being received by the first decoder, the first decoder block configured to decode the first signal field and operative to generate a first decoded preamble field, said decoder block responsive to a second signal field of a preamble of a packet transmitted in a communication channel, the second signal field having been modulated prior to being received by a second decoder, the decoder block configured to decode the second signal field and operative to generate a second decoded preamble field; a first remodulator of a MIMO OFDM wireless communication system responsive to the first decoded preamble field and operative to generate first remodulated encoded preamble field; a frequency equalizer update block operative to update coefficients of a frequency equalizer (FEQ) using the first remodulated encoded preamble bits, the FEQ update block causing the FEQ to generate equalized preamble field output, which are applied to at least one signal field, and the transceiver further comprising a second remodulator, wherein said decoder block is operative to decode a third signal field of the preamble and to generate a third decoded preamble field, the second remodulator operative to generated third remodulated encoded preamble field, based on the third decoded preamble field, for use by the FEQ update block to further update the coefficients of the FEQ and to apply the same to the at least one data field.