NDLI: Pattern-Flipping Chase-Type Decoders with Error Pattern Extracting Viterbi Algorithm over Partial Response Channels

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IEEE Journal on Selected Areas in Communications - Front cover

IEEE Communications Society - Staff

Guest Editorial Data Communication Techniques for Storage Channels and Networks

An Analytical Approach for Performance Evaluation of Bit-Patterned Media Channels

Channel Modeling and Signal Processing for Probe Storage Channels

Analysis of Nonlinear Transition Shift and Write Precompensation in Perpendicular Recording Systems

Iterative Soft Decision Feedback Zig-Zag Equalizer for 2D Intersymbol Interference Channels

Pattern-Flipping Chase-Type Decoders with Error Pattern Extracting Viterbi Algorithm over Partial Response Channels

Very Efficient Balanced Codes

Construction of Constrained Codes for State-Independent Decoding

Construction of Maximum Run-Length Limited Codes Using Sequence Replacement Techniques

Distance-Enhancing Constrained Codes with Parity-Check Constraints for Data Storage Channels

Convolutional Decoding in the Presence of Synchronization Errors

An Iteratively Decodable Tensor Product Code with Application to Data Storage

List Decoding Techniques for Intersymbol Interference Channels Using Ordered Statistics

Low-Floor Detection/Decoding of LDPC-Coded Partial Response Channels

Decentralized Coding Algorithms for Distributed Storage in Wireless Sensor Networks

Cooperative Recovery of Distributed Storage Systems from Multiple Losses with Network Coding

Existence and Construction of Capacity-Achieving Network Codes for Distributed Storage

T-Code: 3-Erasure Longest Lowest-Density MDS Codes

IEEE Communications Society 2010 Board of Governors

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Pattern-Flipping Chase-Type Decoders with Error Pattern Extracting Viterbi Algorithm over Partial Response Channels

Content Provider	IEEE Xplore Digital Library
Author	Soo-Woong Lee Kumar, B.V.K.V.
Copyright Year	1983
Abstract	Towards the goal of achieving better error correction performance in data storage systems, iterative soft decoding of low density parity check (LDPC) codes and soft-decision decoding of Reed-Solomon (RS) codes have started receiving increasing research attention. However, even with increased computing power, complexities of soft-decision decoding algorithms are still too high for real products which require high throughput and small hardware area. Another problem is that the performance gains of those approaches are smaller for magnetic recording channels than they are for memoryless additive white Gaussian noise (AWGN) channels. We propose a new soft-decision decoding algorithm (based on the Chase algorithm), which takes advantage of pattern reliability instead of symbol reliability or bit reliability. We also present a modified Viterbi algorithm that provides probable error patterns with corresponding reliabilities. Simulation results of the proposed algorithms over the partial response (PR) channel show attractive performance gains. The proposed algorithm dramatically reduces the number of iterations compared to the conventional Chase2 algorithm over the PR channel.
File Size	424388
File Format	PDF
ISSN	07338716
Volume Number	28
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Viterbi algorithm Partial response channels Iterative decoding Parity check codes Performance gain AWGN Data mining Error correction codes Data storage systems Reed-Solomon codes Reed-Solomon codes, Chase2 algorithm, pattern flipping, soft-decision decoding, Viterbi algorithm, error event, partial response channel
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Electrical and Electronic Engineering

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