Receiving device and receiving method

Details Receiving device and receiving method Receiving device and receiving method

2007-11-26

2011-11-22

Liu, Li (Department: 2613)

Optical communications

Receiver

Including postcompensation

C398S209000, C398S212000, C398S213000, C398S025000, C398S027000

Reexamination Certificate

active

08064780

ABSTRACT:
A demodulating unit demodulates a differential M-phase shift keying signal light by causing delay and interference. A phase-error detecting unit detects an error of a control phase amount of the delay and the interference caused by the demodulating unit. A control unit adjusts the control phase amount to a predetermined phase amount based on the error. A data processing unit monitors an error state of data signal that is demodulated by the demodulating unit. The control unit changes the control phase amount from the predetermined amount when the error state is in a predetermined state, and determines a reception state of the differential M-phase shift keying signal light based on an error that is detected after the control phase amount is changed.

REFERENCES:
patent: 2005/0105900 (2005-05-01), Akimoto et al.
patent: 2006/0067703 (2006-03-01), Haunstein et al.
patent: 2006/0193640 (2006-08-01), Katagiri et al.
patent: 2006/0200710 (2006-09-01), Webb et al.
patent: 2006/0209681 (2006-09-01), Yamamoto
patent: 2007/0058988 (2007-03-01), Yonenaga
patent: 3-79141 (1991-04-01), None

Affiliated with

Also associated with

Rating

Receiving device and receiving method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Receiving device and receiving method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Receiving device and receiving method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4310509