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Beijing, CN
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last 30 patents
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Patent Grant
Apparatus and method for monitoring in-band OSNR
Patent number
9,742,491
Issue date
Aug 22, 2017
Beijing University of Posts & Telecommunications
Jifang Qiu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Multi-carrrier optical communication method and system based on DAPSK
Patent number
8,718,160
Issue date
May 6, 2014
Beijing University of Posts & Telecommunications
Jian Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
APPARATUS AND METHOD FOR MONITORING IN-BAND OSNR
Publication number
20150349880
Publication date
Dec 3, 2015
Beijing University of Posts and Telecommunications
Jifang QIU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-carrier Optical Communication Method and System Based on DAPSK
Publication number
20130070866
Publication date
Mar 21, 2013
Jian WU
H04 - ELECTRIC COMMUNICATION TECHNIQUE