Cisco Technology, Inc.

Murat Azizoglu

Hongbin Zhang

A receiver configured to receive a plurality of symbols is disclosed. The receiver includes a hard decision decoder, a look-up table (LUT) coupled to the hard decision decoder, and a soft metric generator coupled to the LUT. The hard decision decoder is to receive a first set of symbols from the plurality of symbols and provide a set of hard coded neighboring symbols to the LUT. The first set of symbols comprises a center symbol with neighboring symbols. The LUT is to store a value representative of the center symbol that is addressable by the set of hard coded neighboring symbols. The soft metric generator is to calculate bit log likelihood ratio (LLR) values based on the center symbol and the value representative of the center symbol stored in the LUT.

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Maynard, NJ, United States of America

Murat Azizoglu