A generalized Viterbi algorithm for detection of partial response recording systems

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Title:	A generalized Viterbi algorithm for detection of partial response recording systems
Authors:	Lin,YY;Yeh,CY
Contributors:	電機工程研究所
Keywords:	PRML
Date:	1996
Issue Date:	2010-06-29 20:21:44 (UTC+8)
Publisher:	中央大學
Abstract:	In this work, we study a receiver for a high density recording system and compare it with the PRML recording system. In the receiver, the playback signal of a high density recording system is equalized to a higher-order partial response (PR) target. Also, a reduced-state Viterbi algorithm, called the generalized Viterbi algorithm (GVA), is used for detecting the PR system. In the GVA, the states are grouped into L subsets or lists and the best S paths in each list are selected for extension. Simulation results demonstrate that a coding gain over the PRML system can be obtained even for the receiver with less complexity than that of the PRML system.
Relation:	IEEE TRANSACTIONS ON MAGNETICS
Appears in Collections:	[Graduate Institute of Electrical Engineering] journal & Dissertation

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