Iterative decoding for layer coded OFDM communication systems

Details Iterative decoding for layer coded OFDM communication systems Iterative decoding for layer coded OFDM communication systems

2008-03-14

2011-11-22

Rizk, Sam (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S755000, C714S794000

Reexamination Certificate

active

08065596

ABSTRACT:
A modified classical Viterbi decoder which can take extrinsic information and output hard decisions. A modified Viterbi decoder is provided comprising a branch metric unit, the unit having a calculator; and a processor adapted to compute a revised branch metric by combining the initial branch metric and an additional weight parameter. The modified classical Viterbi decoder computes a branch metric by summing an initial branch metric and the additional weight parameter.

REFERENCES:
patent: 7464316 (2008-12-01), Bickerstaff et al.
patent: 2005/0172204 (2005-08-01), Lin

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