A robust digital timing recovery with asymmetry compensator for high speed optical drive systems

This paper presents a new four-sampled zero crossing asymmetry compensation algorithm for high-speed DVD/CD applications. Simulations show 34% improvement of jitter performances, 50% reduction of compensation time and 2.0 dB gain of bit error rate (BER) compared with other algorithms. Simultaneously...

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Published in:IEEE transactions on consumer electronics 2001-11, Vol.47 (4), p.821-830
Main Authors: Ko, Seok Jun, Kim, Pan Soo, Choi, Hyung Jin, Lee, Jae-Wook, Lee, Junghyun
Format: Article
Language:English
Subjects:
Algorithms
Asymmetry
Bit error rate
Compensation
Computer simulation
Detectors
Frequency synchronization
High speed optical techniques
Jitter
Noise levels
Optical receivers
Optical transmitters
Recovery
Robustness
Time measurements
Timing
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creator Ko, Seok Jun
Kim, Pan Soo
Choi, Hyung Jin
Lee, Jae-Wook
Lee, Junghyun
description This paper presents a new four-sampled zero crossing asymmetry compensation algorithm for high-speed DVD/CD applications. Simulations show 34% improvement of jitter performances, 50% reduction of compensation time and 2.0 dB gain of bit error rate (BER) compared with other algorithms. Simultaneously, a new digital timing recovery scheme for the optical drive system is presented. By comparative simulations using DVD patterns with marginal input conditions, the proposed timing recovery algorithm shows enhanced performances in jitter variance and SNR margin by 4 times and 3 dB respectively.
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subjects Algorithms
Asymmetry
Bit error rate
Compensation
Computer simulation
Detectors
Frequency synchronization
High speed optical techniques
Jitter
Noise levels
Optical receivers
Optical transmitters
Recovery
Robustness
Time measurements
Timing
title A robust digital timing recovery with asymmetry compensator for high speed optical drive systems
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