Performance measures for coupled digital phase-locked loops for the separation of cochannel signals

Brad A. Hedstrom; R. Lynn Kirlin

doi:10.1117/12.130929

30 November 1992 Performance measures for coupled digital phase-locked loops for the separation of cochannel signals

Brad A. Hedstrom, R. Lynn Kirlin

Proceedings Volume 1770, Advanced Signal Processing Algorithms, Architectures, and Implementations III; (1992) https://doi.org/10.1117/12.130929
Event: San Diego '92, 1992, San Diego, CA, United States

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.

Citation Download Citation

Brad A. Hedstrom and R. Lynn Kirlin "Performance measures for coupled digital phase-locked loops for the separation of cochannel signals", Proc. SPIE 1770, Advanced Signal Processing Algorithms, Architectures, and Implementations III, (30 November 1992); https://doi.org/10.1117/12.130929

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