| 摘要 |
<p>A data communication equipment equalizer (10) which minimizes the total training time delay (RTS-CTS) is disclosed. The total RTS-CTS delay of the provided equalizer (10) consists of a delay due to a minimal training sequence required for the equalizer coefficients (25a, 25b...25n) to converge given a low distortion channel. The equalizer (10) comprises: first and second FIRs (20, 30) each having a plurality of taps (22a, 22b...22n) for storing data signal samples over time, a plurality of tap gain (24a, 24b...24n) for multiplying the equalizer coefficients (25a, 25b...25n) with the stored data samples, a coefficient update (28) for comparing the sum of the tap gain products (26) to an ideal value and for changing equalizer coefficients (25a, 25b...25n) accordingly, and a processor (50) for processing the communications data according to the adapted equalizer coefficients; a buffer delay (40) for receiving and storing the communications data transmitted after the completion of the training sequence and before the equalizer coefficients (25a, 25b...25n) have been sufficiently adapted to allow substantially error free transmission; and a data decision for deciding what ideal data value to assign a processed data sample.</p> |
