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Proceedings Paper

Performance measures for coupled digital phase-locked loops for the separation of cochannel signals
Author(s): Brad A. Hedstrom; R. Lynn Kirlin
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Paper Abstract

Coupled digital phase-locked loops (CDPLLs), derived from extended Kalman filter theory, have been shown to suppress adjacent and co-channel interferers. This paper addresses the ability of these CDPLLs to separate co-channel signals. State observability criteria are defined and examined for non-linear state observations which model phase modulation. These metrics can then be used to address signal separation and tracking behavior of CDPLLs.

Paper Details

Date Published: 30 November 1992
PDF: 10 pages
Proc. SPIE 1770, Advanced Signal Processing Algorithms, Architectures, and Implementations III, (30 November 1992); doi: 10.1117/12.130929
Show Author Affiliations
Brad A. Hedstrom, Univ. of Victoria (Canada)
R. Lynn Kirlin, Univ. of Victoria (Canada)


Published in SPIE Proceedings Vol. 1770:
Advanced Signal Processing Algorithms, Architectures, and Implementations III
Franklin T. Luk, Editor(s)

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