NDLI: Common Phase Estimation in Coherent OFDM System Using Image Processing Technique

Content Provider	IEEE Xplore Digital Library
Author	Tianwai Bo Lingchen Huang Chun-Kit Chan
Copyright Year	1989
Abstract	In a coherent orthogonal frequency division multiplexing system, the possible rotation of the rectangular signal constellation, due to common phase error, is shown to be effectively compensated by applying an skew compensation technique adopted in image processing area. We further propose an improved technique to further reduce the complexity of the algorithm and investigate the effect of the number of required test phases, via numerical simulations. The proposed improved algorithm is also compared with the conventional blind phase searching algorithm. It is shown that by employing only two bits of overhead, it can achieve a comparable performance to that of the traditional pilot aided method.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	1597
Ending Page	1600
Page Count	4
File Size	702209
File Format	PDF
ISSN	10411135
Volume Number	27
Issue Number	15
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	OFDM Optical receivers Complexity theory Optical attenuators Optical noise Optical fibers Adaptive optics carrier phase recovery Coherent transmission
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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