Reception apparatus and reception method

Details Reception apparatus and reception method Reception apparatus and reception method

2007-02-06

2007-02-06

Decady, Albert (Department: 2138)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S749000, C714S751000

Reexamination Certificate

active

10477142

ABSTRACT:
Receiving a packet interleaved with an interleave pattern corresponding to the number of times of retransmission, reception apparatus (200) de-interleaves a pilot sequence contained in the packet with de-interleavers (205-1˜205-N). Correlators (206-1˜206-N) performs correlation calculation between the de-interleaved pilot sequence and a pilot pattern held in the reception apparatus. Maximum value detection section (207) detects the maximum correlation value among the correlation values to detect the number of times of retransmission. Decision section (209) controls combination circuit (213) and error detection section (217) based on the number of times of retransmission stored in storage section (208) and on the number of times of retransmission detected at maximum value detection section (207). This allows a decrease in throughput to be prevented from occurring even in a case where a reception side receives a packet which is different from one which is requested by the reception side.

REFERENCES:
patent: 6247150 (2001-06-01), Niemela
patent: 6308294 (2001-10-01), Ghosh et al.
patent: 6445717 (2002-09-01), Gibson et al.
patent: 1175055 (1999-03-01), None
patent: 2001-60934 (2001-03-01), None
patent: 200160934 (2001-03-01), None
patent: 2001197044 (2001-07-01), None
patent: 2002520904 (2002-07-01), None
International Search Report dated May 20, 2003.

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