Chaos Controlled ZCDPLL for Carrier Recovery in Noisy Channels |
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| Authors: | Qassim Nasir |
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| Affiliation: | (1) Department of Electrical and Computer Engineering, University of Sharjah, 27272 Sharjah, UAE |
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| Abstract: | The objective of this work is to analyze the performance of the chaos controlled first order Zero Crossing Digital Phase Locked
Loop (ZCDPLL) in the presence of Additive White Gaussian Noise (AWGN). The nonlinear behaviour of ZCDPLL shows a period doubling
to its route to chaos. The amount of ZCDPLL divergency is measured and fed-back in a form of linear stabilization. The introduction
of the chaos control widens the lock range of a ZCDPLL and improves the loop’s operation in the presence of AWGN. |
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| Keywords: | Nonuniform sampling Digital phase locked loops Zero crossing DPLL Chaos control |
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