A data decoder using a dynamically indexed channel state metric to decode symbols recovered from a channel that provides an index value corresponding to a signal strength indication less an average signal strength for a symbol time period, selects a channel metric, corresponding to the index value, from...http://www.google.ca/patents/US5363413?utm_source=gb-gplus-sharePatent US5363413 - Data decoder and method for use therein using a dynamically indexed channel state metric
