Optimisation of Decision-Directed Maximum - Likelihood Feedback Carrier Phase Error Synchronisation Loop

Danesfahani, R.; Montazeri, Ali; Malek, N.R.

doi:10.1109/eurcon.2005.1629954

EUROCON 2005 - The International Conference on "Computer as a Tool" 2005

DOI: 10.1109/eurcon.2005.1629954

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Optimisation of Decision-Directed Maximum - Likelihood Feedback Carrier Phase Error Synchronisation Loop

R. Danesfahani

Ali Montazeri

N.R. Malek

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Cited by 2 publications

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“…In [6] a smart filter was introduced to improve the tracking performance of the Gardner AFC loop [13]. This smart filter was further employed in a phase synchronization loop to make the tracking performance almost jitter free [8].…”

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confidence: 99%

See 1 more Smart Citation

Enhanced Acquisition and Tracking in All Digital Phase-Locked Loops

Danesfahani

Moghaddasi

Mahlouji

2008

Circuits Syst Signal Process

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This paper presents a technique to substantially mitigate the tracking jitter of all digital phase-locked loops and, hence, enhance the overall performance of the loop. This has been achieved by a structure utilizing a notch filter in a cascade arrangement with the loop filter to suppress the undesired frequency components and preserve the DC value at the output of the loop filter, which represents the trial value of the carrier phase error. A rapid acquisition of the error and a bit error rate (BER) performance close to theoretical results have been achieved.

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confidence: 99%

“…(1) Estimation of the jitter [21,29] (2) Selection of the loop design parameters [5,23] (3) Modification of the detector [7,20] (4) Dynamic modification of the loop gain [2] (5) Modification of the loop filter [6,8].…”

mentioning

confidence: 99%

Enhanced Acquisition and Tracking in All Digital Phase-Locked Loops

Danesfahani

Moghaddasi

Mahlouji

2008

Circuits Syst Signal Process

View full text Add to dashboard Cite

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Enhanced Carrier Phase Synchronization Performance

Danesfahani

2006

IEEJ Trans.EIS

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A general technique is introduced to enhance the performance of carrier phase error synchronization loops. This technique employs a notch filter inserted in a structure cascaded with the loop filter. Computer simulations of some well-known carrier phase synchronization loops enhanced with the proposed technique show that an approximately jitter free tracking and a great improvement in bit error rate (BER) results have been achieved.

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Optimisation of Decision-Directed Maximum - Likelihood Feedback Carrier Phase Error Synchronisation Loop

Cited by 2 publications

References 6 publications

Enhanced Acquisition and Tracking in All Digital Phase-Locked Loops

Enhanced Acquisition and Tracking in All Digital Phase-Locked Loops

Enhanced Carrier Phase Synchronization Performance

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