NDLI: An improved puncturing method for rate-compatible LDPC codes

Content Provider	IEEE Xplore Digital Library
Author	Deka, K. Rajesh, A. Bora, P.K.
Copyright Year	2014
Description	Author affiliation: Dept. of Electron. & Electr. Eng., Indian Inst. of Technol. Guwahati, Guwahati, India (Deka, K.; Rajesh, A.; Bora, P.K.)
Abstract	This paper presents an improvement of a puncturing technique for rate-compatible low density parity check (LDPC) codes originally proposed by Asvadi and Banihashemi. In the original technique, the puncturing bits are selected by progressively reducing the search space according to a certain sequence of criteria. The last criterion is based on the ACE (approximate cycle extrinsic message degree) values of the short cycles present in the Tanner graph of the code. In this paper, we propose to substitute the last criterion with one which is based on the absorbing sets of the code. Simulation results show that this scheme improves the performance compared to the original and some other scheme available in the literature.
Starting Page	1
Ending Page	6
File Size	114766
Page Count	6
File Format	PDF
ISBN	9781479923618
DOI	10.1109/NCC.2014.6811346
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-02-28
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rate-compatible Cycles ACE Absorbing sets Trapping sets Decoding Iterative decoding AWGN channels Simulation Fully absorbing sets Charge carrier processes Low density parity check (LDPC) codes EMD Signal to noise ratio
Content Type	Text
Resource Type	Article

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