Blind transport format detection for transmission link

Details Blind transport format detection for transmission link Blind transport format detection for transmission link

2003-05-20

2010-02-16

Tabone, Jr., John J (Department: 2117)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S795000, C714S821000, C714S712000

Reexamination Certificate

active

07665010

ABSTRACT:
Receiver-side apparatus for a transmission link, the link using different transport formats for blocks of data, and using convolutional coding with additional error detection code information, for transmitting the blocks to the receiver side, the apparatus having a decoder for performing a trellis decode and tracebacks of one of the received coded blocks, to produce decoded data candidates, an error detection element for carrying out one or more speculative error detections on the candidates, assuming part of each candidate is the additional error detection code, and part is the block of data, and a format detector for determining a transport format based on a result of the speculative error detections, the apparatus being arranged to determine a probability of a candidate being valid, and prioritize carrying out the tracebacks or the speculative error detections according to the probabilities.

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International search report from corresponding International Application PCT/GB03/02174, filed May 20, 2003.
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