Receiving device, receiving method, and program

Details Receiving device, receiving method, and program Receiving device, receiving method, and program

2007-12-25

2007-12-25

Payne, David C. (Department: 2611)

Pulse or digital communications

Equalizers

Reexamination Certificate

active

10789672

ABSTRACT:
A receiving unit of a receiving device receives a signal arriving thereto through a transmission path as a reception signal. A delay unit outputs a delay signal obtained by delaying the reception signal by a predetermined delay time. An estimation unit estimates a transmission path characteristic. An equalizer/demodulator compensates for the delay signal with the transmission path characteristic, demodulates the compensation result, and outputs the demodulation result as a transmission signal. A replica unit compensates for the reception signal with the transmission path characteristic, demodulates the compensation result, modulates the demodulation result, and outputs the modulation result as a replica signal. The estimation unit estimates a transmission path characteristic by comparing the reception signal with the replica signal. The predetermined delay time is equal to or smaller than a time required for the processes by the replica unit and the estimation unit.

REFERENCES:
patent: 6169751 (2001-01-01), Shirakata et al.
patent: 6959052 (2005-10-01), Harada et al.
patent: 2002/0018528 (2002-02-01), Harada et al.
patent: 2002/0126774 (2002-09-01), Harada et al.
patent: 2002/0141495 (2002-10-01), Hatamian
patent: 2003/0108123 (2003-06-01), Kroeger et al.

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