23 October 1998 Partial response equalization with nonlinearity-compensating signal asymmetry in DVD storage
Author Affiliations +
Proceedings Volume 3401, Optical Data Storage '98; (1998) https://doi.org/10.1117/12.327933
Event: Optical Data Storage '98, 1998, Aspen, CO, United States
We introduce an adaptive equalization technique that compensates for the channel nonlinearities causing asymmetric eye-patterns of RF signals in a digital versatile disk (DVD) system. Based on the observation that a DVD channel can be modeled as a cascade of modulation transfer function (MTF) and a zero-memory nonlinearity (ZNL), an adaptive maximum likelihhood sequence estimation (MLSE) receiver that estimates the nonlinearities and incorporates them in its metric calculation is developed. Computer simulation results demonstrate that the proposed receiver can outperform conventional MLSE when signal asymmetry is present.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
In Seok Hwang, In Seok Hwang, Yong Hoon Lee, Yong Hoon Lee, Pyong Yong Seong, Pyong Yong Seong, Jung-Wan Ko, Jung-Wan Ko, } "Partial response equalization with nonlinearity-compensating signal asymmetry in DVD storage", Proc. SPIE 3401, Optical Data Storage '98, (23 October 1998); doi: 10.1117/12.327933; https://doi.org/10.1117/12.327933


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