Joint detector for multiple coded digital signals

Details Joint detector for multiple coded digital signals Joint detector for multiple coded digital signals

H - Electricity

04

L

H04L 5/02 (2006.01) H03M 13/00 (2006.01) H04L 1/22 (2006.01)

Patent

CA 2201460

A method for the joint detection of multiple coded digital signals that share the same transmission medium in a manner that causes mutual interference. The method is comprised of two steps that are applied to preliminary estimates of each digital signal, one or more times. The first step is to obtain reliability estimates for each data element of each digital signal by combining the preliminary estimates, a statistical model for the interference, and any a priori information regarding the data elements. The second step is to revise these reliability estimates for each digital signal based on the forward error correction code used for that digital signal. When the steps are repeated, the revised reliability estimates from the second step are used as a priori information for the first step.

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