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AR# 24894

LogiCORE Viterbi Decoder v6.0 - Errors on low-noise data when DC offset is present on a Viterbi decoder

Description

Keywords: BER

When the data input to the decoder has a DC offset, this can result in a degradation of the BER performance.

Solution

To resolve this issue, remove the DC bias in the soft-input data before entering the data into the Viterbi decoder and use the BEST STATE option to improve performance.

Please see (Xilinx Answer 29448) for a detailed list of LogiCORE Viterbi Decoder Release Notes and Known Issues.

AR# 24894
Date Created 09/04/2007
Last Updated 09/23/2009
Status Archive
Type General Article