Adaptive method and arrangement for implementing incremental...

Details Adaptive method and arrangement for implementing incremental... Adaptive method and arrangement for implementing incremental...

2005-12-27

2005-12-27

Tse, Young T. (Department: 2637)

Pulse or digital communications

Equalizers

C375S232000, C375S340000, C375S346000, C714S758000, C714S774000

Reexamination Certificate

active

06980591

ABSTRACT:
A method and an arrangement are presented for processing received data blocks in a digital radio receiver. Received data blocks are equalized (306) and channel decoded, (309) after which they are checked (310) for errors. Additionally there is monitored (303) the amount of received but not yet equalized and channel decoded data. As a response to a finding indicating that an equalized and channel decoded data block contains errors (310), it is checked (313) whether the amount of received but not yet equalized and channel decoded data is below a certain threshold. As a response to a finding indicating that the amount of received but not yet equalized and channel decoded data is below said threshold, the data block which was found to contain errors is iteratively equalized and channel decoded. By adaptively allowing iterative equalization and channel decoding, retransmissions may be avoided.

REFERENCES:
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patent: 6182261 (2001-01-01), Haller et al.
patent: 6266360 (2001-07-01), Okamoto
patent: 6658071 (2003-12-01), Cheng
patent: WO 00/27037 (2000-05-01), None
“Turbo-Detection: A New Approach To Combat Channel Frequency Selectivity”, Picart et al., ICC 97.
“Iterative Equalization And Decoding For The GSM System”, Bauch et al., Vehicular Technology Conference (VTC), IEEE 1998.

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