Unified viterbi/turbo decoder for mobile communication systems

Details Unified viterbi/turbo decoder for mobile communication systems Unified viterbi/turbo decoder for mobile communication systems

2007-07-17

2007-07-17

Lamarre, Guy (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S794000, C714S795000, C714S796000, C375S262000, C375S341000

Reexamination Certificate

active

10990929

ABSTRACT:
A Viterbi/Turbo unified decoder supports both voice and data streams due to the ability of performing Viterbi (convolutional) decoding and Turbo decoding. The Viterbi/Turbo unified decoder of an embodiment reduces the hardware cost by computing path metrics for both Viterbi and Turbo decoding using a single control circuit. The control circuit comprises a plurality of processors and memory banks, and the routing rule for the processors to read/write the path metric information from/to the memory banks are fixed for both Viterbi and Turbo coded inputs.

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patent: 2002217748 (2002-08-01), None
patent: 10-2002-0067769 (2002-08-01), None

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