Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2007-02-27
2007-02-27
Lamarre, Guy J. (Department: 2133)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C714S018000, C714S749000, C714S750000, C714S748000
Reexamination Certificate
active
09885408
ABSTRACT:
A communication system and method includes the steps of: a) transmitting an ACK signal indicating a received packet includes no error or a NACK signal indicating the received packet includes error from a reception end to a transmission end, and performing automatic repeat request; b) obtaining reliability of the received packet when demodulating it at the reception end; and c) reporting from the reception end to the transmission end the reliability of the received packet utilizing the ACK/NACK signal by using not less than three levels.
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Abeta Sadayuki
Atarashi Hiroyuki
Miki Nobuhiko
Sawahashi Mamoru
Lamarre Guy J.
NTT DoCoMo Inc.
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