Method and device for calculating bit error rate of received...

Details Method and device for calculating bit error rate of received... Method and device for calculating bit error rate of received...

2003-12-30

2009-10-20

Chase, Shelly A (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error count or rate

C714S794000

Reexamination Certificate

active

07607053

ABSTRACT:
System and method of estimating radio channel bit error rate (BER) in a digital radio telecommunications system wherein the soft output of the turbo decoder is used as pointer or index to look-up-tables containing the bit-wise BER of a certain bit in the data field of the received frame. A quantizer quantizes the received data frame and the quantized bit operates on a switch which selects the appropriate look-up-table. By means of accumulation and scaling the average BER of a certain amount of bits are calculated. Decoding bit-errors may occur but as they are submitted to posterior probability estimation, systematic errors which normally happen at low SNR are avoided.

REFERENCES:
patent: 6141388 (2000-10-01), Johnson et al.
patent: 6163571 (2000-12-01), Asokan et al.
patent: 7065159 (2006-06-01), Rege et al.

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