An SNR dependent model for the CDMA FLL

James T. Curran; Gérard Lachapelle; Colin C. Murphy

doi:10.1109/TSP.2011.2178840

An SNR dependent model for the CDMA FLL

James T. Curran
, Gérard Lachapelle
, Colin C. Murphy

School of Engineering and Architecture

Research output: Contribution to journal › Article › peer-review

Abstract

The tracking bandwidth and variance of the code-division multiple-access (CDMA) frequency-lock loop (FLL) are considered in this correspondence. It is shown that the behavior of the discriminator can vary significantly with varying SNR _c with corresponding variations in loop performance. A model is presented which reflects this signal-to-noise ration (SNR)-sensitivity and, thus, facilitates accurate loop design.

Original language	English
Article number	6099641
Pages (from-to)	1522-1527
Number of pages	6
Journal	IEEE Transactions on Signal Processing
Volume	60
Issue number	3
DOIs	https://doi.org/10.1109/TSP.2011.2178840
Publication status	Published - Mar 2012

Keywords

Code-division multiple access (CDMA)
frequency discriminator
frequency estimation
frequency-lock loop (FLL)
Global Navigation Satellite System (GNSS)

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10.1109/TSP.2011.2178840

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abstract = "The tracking bandwidth and variance of the code-division multiple-access (CDMA) frequency-lock loop (FLL) are considered in this correspondence. It is shown that the behavior of the discriminator can vary significantly with varying SNR c with corresponding variations in loop performance. A model is presented which reflects this signal-to-noise ration (SNR)-sensitivity and, thus, facilitates accurate loop design.",

keywords = "Code-division multiple access (CDMA), frequency discriminator, frequency estimation, frequency-lock loop (FLL), Global Navigation Satellite System (GNSS)",

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KW - Code-division multiple access (CDMA)

KW - frequency discriminator

KW - frequency estimation

KW - frequency-lock loop (FLL)

KW - Global Navigation Satellite System (GNSS)

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An SNR dependent model for the CDMA FLL

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Keywords

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