A novel semi-folded parallel successive cancellation-based polar decoder for optimal-register allocation

Efficient compression and reliable data transmission are the major areas in the information theory that governs various applications in mobile communication, Internets and modern digital technology. The exploitation of data patterns and redundancies offers better compression without loss of user inf...

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Published inThe Journal of supercomputing Vol. 75; no. 11; pp. 7037 - 7052
Main Authors Indumathi, G., Aarthi, V. P. M. B., Ramesh, M.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.11.2019
Springer Nature B.V
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ISSN0920-8542
1573-0484
DOI10.1007/s11227-018-2519-y

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Abstract Efficient compression and reliable data transmission are the major areas in the information theory that governs various applications in mobile communication, Internets and modern digital technology. The exploitation of data patterns and redundancies offers better compression without loss of user information. The trade-off between the storage and the quality is the major requirement to apply the coding scheme in very large-scale integration. Alternatively, the reliable transmission in the presence of noise requires the prior addition of redundancy to the data. Polar codes are the practical codes suitable for channel coding and optimal performance achievement under lossy compression and complexity-based communication environment. This paper focuses on the novel architecture of successive cancellation (SC)-based polar decoding for an effective communication. The coefficient weight computation during the register update consumes a number of components in traditional SC decoding architectures. This paper proposes the semi-folded parallel successive cancellation (SFPSC) algorithm that modifies the coefficient weight computation process for register update resulting in a 4-folded polar decoding architecture to retrieve the information from the transmitted symbols with reduced resource utilization. The performance characteristics of SFPSC algorithm based on FPGA implementation are presented. The decoder architecture based on SFPSC algorithm achieves an efficient resource utilization. The reduction in a number of components efficiently reduces the time consumption. The comparative analysis between the SFPSC-based decoder with the existing SC schemes regarding the number of look up tables, FFs and memory assures the effectiveness of SFPSC in resource utilization.
AbstractList Efficient compression and reliable data transmission are the major areas in the information theory that governs various applications in mobile communication, Internets and modern digital technology. The exploitation of data patterns and redundancies offers better compression without loss of user information. The trade-off between the storage and the quality is the major requirement to apply the coding scheme in very large-scale integration. Alternatively, the reliable transmission in the presence of noise requires the prior addition of redundancy to the data. Polar codes are the practical codes suitable for channel coding and optimal performance achievement under lossy compression and complexity-based communication environment. This paper focuses on the novel architecture of successive cancellation (SC)-based polar decoding for an effective communication. The coefficient weight computation during the register update consumes a number of components in traditional SC decoding architectures. This paper proposes the semi-folded parallel successive cancellation (SFPSC) algorithm that modifies the coefficient weight computation process for register update resulting in a 4-folded polar decoding architecture to retrieve the information from the transmitted symbols with reduced resource utilization. The performance characteristics of SFPSC algorithm based on FPGA implementation are presented. The decoder architecture based on SFPSC algorithm achieves an efficient resource utilization. The reduction in a number of components efficiently reduces the time consumption. The comparative analysis between the SFPSC-based decoder with the existing SC schemes regarding the number of look up tables, FFs and memory assures the effectiveness of SFPSC in resource utilization.
Author Aarthi, V. P. M. B.
Ramesh, M.
Indumathi, G.
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Issue 11
Keywords Resource utilization
Very large-scale integration
Polar coder
Semi-folded
Successive cancellation
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Snippet Efficient compression and reliable data transmission are the major areas in the information theory that governs various applications in mobile communication,...
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SubjectTerms Algorithms
Architecture
Cancellation
Coding
Communication
Compilers
Computation
Computer Science
Data compression
Data transmission
Decoding
Information retrieval
Information theory
Interpreters
Lookup tables
Mobile communication systems
Processor Architectures
Programming Languages
Redundancy
Register allocation
Resource utilization
Very large scale integration
Weight
Title A novel semi-folded parallel successive cancellation-based polar decoder for optimal-register allocation
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