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SIMPLIFIED DYNAMIC SC-FLIP POLAR DECODING

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Citation Author(s):
Furkan Ercan, Thibaud Tonnellier, Nghia Doan, Warren J. Gross
Submitted by:
Furkan ERCAN
Last updated:
13 May 2020 - 8:23pm
Document Type:
Presentation Slides
Document Year:
2020
Event:
Presenters Name:
Furkan Ercan
Paper Code:
1510

Abstract 

Abstract: 

SC-Flip (SCF) decoding is a low-complexity polar code decoding algorithm alternative to SC-List (SCL) algorithm with small list sizes. To achieve the performance of the SCL algorithm with large list sizes, the Dynamic SC-Flip (DSCF) algorithm was proposed. However, DSCF involves logarithmic and exponential computations that are not suitable for practical hardware implementations. In this work, we propose a simple approximation that replaces the transcendental computations of DSCF decoding. Moreover, we show how to incorporate fast decoding techniques with the DSCF algorithm. With proposed approaches, the computational complexity of DSCF decoding is remarkably reduced while maintaining equivalent decoding performance.

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