EFFECTS OF BANDPASS LIMITERS ON Mth PHASE TRACKING SYSTEMS IN THE PRESENCE OF SINUSOIDAL INTERFERENCE AND NOISE.

Iwao Sasase, Shinsaku Mori

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The effects of bandpass limiters on Mth phase tracking systems in the presence of multiple sinusoidal interferences and additive Gaussian noise are considered. The authors derive general expressions for the ratio of the output to the input SNR (the SNR ratio) for an Mth-power tracking loop with and without a bandpass limiter. The numerical calculations for the squaring limited and fourth-power limited Phased Locked Loops (PLL's) in the presence of multiple sinusoidal interferences and noise are carried out, and the results are compared to those for similar loops without limiters. It is found that sinusoidal interference causes the limit of the SNR ratio for infinite carrier-to-noise ratio (CNR) to be no longer consistent with that for only Gaussian noise. The SNR ratio is degraded more as the carrier-to-interference ratio (CIR) decreases and the number of sinusoidal interferences increases. Furthermore, it is found that for the fourth-power PLL, the limiter does not always enhance the output SNR at moderate to strong input SNRs in the presence of sinusoidal interference.

Original languageEnglish
Title of host publicationIEEE Transactions on Communications
Pages1842-1847
Number of pages6
VolumeCom-30
Edition8
Publication statusPublished - 1982 Aug

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Cite this

Sasase, I., & Mori, S. (1982). EFFECTS OF BANDPASS LIMITERS ON Mth PHASE TRACKING SYSTEMS IN THE PRESENCE OF SINUSOIDAL INTERFERENCE AND NOISE. In IEEE Transactions on Communications (8 ed., Vol. Com-30, pp. 1842-1847)

EFFECTS OF BANDPASS LIMITERS ON Mth PHASE TRACKING SYSTEMS IN THE PRESENCE OF SINUSOIDAL INTERFERENCE AND NOISE. / Sasase, Iwao; Mori, Shinsaku.

IEEE Transactions on Communications. Vol. Com-30 8. ed. 1982. p. 1842-1847.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sasase, I & Mori, S 1982, EFFECTS OF BANDPASS LIMITERS ON Mth PHASE TRACKING SYSTEMS IN THE PRESENCE OF SINUSOIDAL INTERFERENCE AND NOISE. in IEEE Transactions on Communications. 8 edn, vol. Com-30, pp. 1842-1847.
Sasase I, Mori S. EFFECTS OF BANDPASS LIMITERS ON Mth PHASE TRACKING SYSTEMS IN THE PRESENCE OF SINUSOIDAL INTERFERENCE AND NOISE. In IEEE Transactions on Communications. 8 ed. Vol. Com-30. 1982. p. 1842-1847
Sasase, Iwao ; Mori, Shinsaku. / EFFECTS OF BANDPASS LIMITERS ON Mth PHASE TRACKING SYSTEMS IN THE PRESENCE OF SINUSOIDAL INTERFERENCE AND NOISE. IEEE Transactions on Communications. Vol. Com-30 8. ed. 1982. pp. 1842-1847
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