Method and transceiving device for retransmitting erroneous...

Details Method and transceiving device for retransmitting erroneous... Method and transceiving device for retransmitting erroneous...

2007-04-03

2007-04-03

Dildine, R. Stephen (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S748000

Reexamination Certificate

active

10483527

ABSTRACT:
The present invention is related to an error handling in transmission of information units in radio links and in particular it is related to an error handling using automatic repeat request (ARQ) and transmission of information units in mobile communication. To reduce the access delay of packet data services, the present invention uses different code ratings according to type II hybrid ARQ for different erroneous information units selected from a formatted block of information units before retransmission. Therefore erroneous information units of a block of information units, that have been transmitted, are selected and the set of selected erroneous information units is divided into a set of n subsets encoded with n code ratings. Advantageously, the retransmission of portions of the formatted block with different code ratings enhances the reliability of the retransmission.

REFERENCES:
patent: 4701923 (1987-10-01), Fukasawa et al.
patent: 1 073 228 (2001-01-01), None
patent: WO 00/27064 (2000-05-01), None
patent: WO 2003007534 (2003-01-01), None
P. Decker, “An Adaptive Type-II Hybrid ARQ/FEC Protocol Suitable for GSM,” Vehicular Technology Conference, 1994 IEEE 44thStockholm, Sweden, Jun. 8-10, 1994, pp. 330-333.

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