Abstract

The degree of diversity and thereby the minimum Hamming distance (HD) of a code is known to be the most important design parameter in a perfectly interleaved nonfrequencyselective slowly-fading channel. The concatenation of an inner multilevel block modulation code with an outer nonbinary single parity check (SPC) code yields a doubling of the HD. Simulation results for Rayleigh and Rician fading channels show considerable coding gains compared to uncoded 4-PSK.

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