Retransmission ordering method, wireless communication...

Details Retransmission ordering method, wireless communication... Retransmission ordering method, wireless communication...

2005-03-21

2008-10-07

Perveen, Rehana (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S758000, C714S751000

Reexamination Certificate

active

07434137

ABSTRACT:
A wireless communication system wherein frame data is encoded with an outer code and then divided into predetermined number of blocks which are encoded with an inner code into transmission data. In a receiver, a decoder decodes the received transmission data in accordance with the inner code, a retransmission order determining unit determines whether to perform a retransmission order in units of blocks based on the likelihood information (decoded soft-decision value). At this time, the retransmission order determining unit inhibits the retransmission order for the block if the number of inner-code errors in a frame consisting of predetermined number of blocks stays within a limit of what the outer code can correct at a decoder and determines that a retransmission is necessary if the number of inner-code errors in the frame exceeds the limit.

REFERENCES:
patent: 5983382 (1999-11-01), Pauls
patent: 7191384 (2007-03-01), Wei et al.
patent: 7275198 (2007-09-01), Kim et al.
patent: 2003/0112870 (2003-06-01), Fukuda et al.

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