NDLI: Carrier Recovery for Data Communication Systems with Adaptive Equalization

Content Provider	IEEE Xplore Digital Library
Author	Chang, R. Srinivasagopalan, R.
Copyright Year	1972
Abstract	This paper describes the problem of carrier recovery for adaptively equalized data communication receivers. A conventional receiver structure that employs baseband equalizers is considered first, and a practical method for jointly adjusting the demodulating carrier and the equalizer is briefly described. The reader is then introduced to an equalizer time delay problem critical to the system's performance. The first remedy for this problem involves the use of dual-mode carrier control loops. A method for designing such loops is presented and its use is illustrated by a conceptual design and a numerical example. The second remedy is to adopt a passband equalizer receiver structure. A tutorial introduction to this concept and a summary of the basic principles involved are presented. This paper concludes by reviewing related timing recovery problems. Joint design approaches such as the maximum likelihood estimate approach and the minimum mean-square error approach will be described and compared.
Starting Page	1142
Ending Page	1153
Page Count	12
File Size	982251
File Format	PDF
ISSN	00906778
Volume Number	28
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1980-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data communication Adaptive systems Adaptive equalizers Baseband Delay effects System performance Design methodology Passband Timing Maximum likelihood estimation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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