Improved First-Order Time-Delay Tanlock Loop Architectures

This paper presents a study of the performance of the first-order time-delay digital tanlock loop (TDTL). It proposes a number of modified loop architectures that overcome some of the original TDTL design limitations. Simulation results indicate that the new architectures, which include delay switch...

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Veröffentlicht in:IEEE transactions on circuits and systems. 1, Fundamental theory and applications Fundamental theory and applications, 2006-09, Vol.53 (9), p.1896-1908
Hauptverfasser: Al-Qutayri, M.A., Al-Araji, S.R., Al-Moosa, N.I.
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Al-Araji, S.R.
Al-Moosa, N.I.
description This paper presents a study of the performance of the first-order time-delay digital tanlock loop (TDTL). It proposes a number of modified loop architectures that overcome some of the original TDTL design limitations. Simulation results indicate that the new architectures, which include delay switching, gain adaptation and a combination of both techniques, improve the TDTL performance in terms of acquisition speed, locking range and resilience to frequency disturbances. The first-order TDTL was also implemented on a field programmable gate array (FPGA). The real-time results from the FPGA implementation are in agreement with the ones obtained through simulation
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ispartof IEEE transactions on circuits and systems. 1, Fundamental theory and applications, 2006-09, Vol.53 (9), p.1896-1908
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1558-0806
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subjects Architecture
Circuits
Delay
Demodulation
Design engineering
Disturbances
Field programmable gate arrays
Frequency
Gain
loop
Mobile communication
Performance gain
Phase locked loops
Resilience
Sampling methods
Simulation
tanlock
title Improved First-Order Time-Delay Tanlock Loop Architectures
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