Method of enhanced max-log-a posteriori probability processing

Details Method of enhanced max-log-a posteriori probability processing Method of enhanced max-log-a posteriori probability processing

1998-08-14

2000-11-07

Tu, Trinh L.

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

714752, 714802, 704200, H03M 1300, G06F 1100

Patent

active

061451142

ABSTRACT:
The invention comprises an enhancement to max-log-APP processing that significantly reduces performance degradation associated with introducing the "max" approximation into log-APP computations, while still maintaining lower computational complexity associated with max-log-APP processing. This enhancement is achieved by adjusting extrinsic information produced by a max-log-APP process where the magnitude of the extrinsic information is reduced, for example, by multiplying it with a scale factor between 0 and 1.

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