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Elimination of false-locking in long loop phase-locked receivers

Research output: Contribution to journalArticle

Original languageEnglish
Pages2391 - 2397
Number of pages7
JournalIEEE Transactions on Communications
Journal publication dateOct 1982
Journal issue10
Volume30
StatePublished

Abstract

Although long-loop phase-locked techniques are finding increasing application in the fields of mobile radio and satellite communications, their use has several drawbacks. Time delay associated with filtering processes within the loop gives rise to a degradation in acquisition capability, and information components entering the control loop cause a reduction in adjacent channel performance. In this paper, a split-loop technique is described, which eliminates false-locking, substantially improves the acquisition characteristics to that associated with a loop with zero time delay, and "cleans up" the first local oscillator spectrum. Furthermore, the technique is simple to implement.

Additional information

Publisher: Institute of Electrical and Electronics Engineers, Inc. (IEEE) Rose publication type: Journal article Sponsorship: J Sladen is grateful to the UK Science and Engineering Research Council for the award of a research studentship. Terms of use: Copyright © 1982 IEEE. Reprinted from IEEE Transactions on Communications. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

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Research areas

  • Phase-locked loop (PLL)

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