The disclosed embodiments relate to a technique for selecting one of
several antennas or channels in a receiver based on the quality of the
channel response at each of the antennas in a multicarrier system
employing convolutional forward error-correction coding. Channel
estimates are computed for each subcarrier and monotonic weights are
assigned to each subcarrier based on the relative strength of the channel
response for that subcarrier. The monotonic weights are mapped to each
bit in a symbol for each subcarrier and bits are de-interleaved, if
needed. A sliding window evaluation is performed to determine an overall
channel quality metric for each channel. The antenna or channel having
the highest overall CQM is selected to receive data.