Modulation code and PRML detection for multi-level run-length-limited DVD channels

Hua Hu; Duanyi Xu; Longfa Pan

doi:10.1117/12.685200

22 June 2006 Modulation code and PRML detection for multi-level run-length-limited DVD channels

Hua Hu, Duanyi Xu, Longfa Pan

Proceedings Volume 6282, Optical Data Storage 2006; 628228 (2006) https://doi.org/10.1117/12.685200
Event: Optical Data Storage 2006, 2006, Montréal, Canada

Abstract

Multi-level run-length-limited (ML-RLL) modulation on optical storage channels is a promising method to increase the recording density effectively. In this paper, some experimental results of 4-level RLL modulation on digital versatile disc (DVD) read-only discs are firstly presented. A new DC-free 4-ary RLL (2, 8) code with code rate of 8/10 (bits/symbol) is designed, and partial-response maximum-likelihood (PRML) detection is used to evaluate the bit error rate (BER) performance of multi-level readout signals. Experimental and simulation results show the feasibility of 4-level RLL modulation on DVD channels.

Citation Download Citation

Hua Hu, Duanyi Xu, and Longfa Pan "Modulation code and PRML detection for multi-level run-length-limited DVD channels", Proc. SPIE 6282, Optical Data Storage 2006, 628228 (22 June 2006); https://doi.org/10.1117/12.685200

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