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Construction of Rate-Compatible Block-Type LDPC Codes using Extending and Puncturing

Hyung-Keun Yoon, Hyeong‐Gun Joo, Dong‐Joon Shin

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Abstract

In this paper, we propose a construction method of rate-compatible block-type low-density parity-check (RC B-LDPC) codes using extending and puncturing, which works well over a wide range of code rates by decreasing the amount of puncturing nodes to mitigate the performance degradation at high rate range. RC B-LDPC code constructed by the proposed scheme to achieve the target code rates from 1/3 to 4/5 results in good frame error rate (FER) performance, even better than the well- designed rate-1/3 code in the small number of iterations (say, < 20).

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What this paper is about

In this paper, we propose a construction method of rate-compatible block-type low-density parity-check (RC B-LDPC) codes using extending and puncturing, which works well over a wide range of code rates by decreasing the amount of puncturing nodes to mitigate the performance degradation at high rate range. RC B-LDPC code constructed by the proposed scheme to achieve the target code rates from 1/3 to 4/5 results in good frame error rate (FER) performance, even better than the well- designed rate-1/3 code in the small number of iterations (say, < 20).

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Available abstract

In this paper, we propose a construction method of rate-compatible block-type low-density parity-check (RC B-LDPC) codes using extending and puncturing, which works well over a wide range of code rates by decreasing the amount of puncturing nodes to mitigate the performance degradation at high rate range. RC B-LDPC code constructed by the proposed scheme to achieve the target code rates from 1/3 to 4/5 results in good frame error rate (FER) performance, even better than the well- designed rate-1/3 code in the small number of iterations (say, < 20).

Key concepts: Puncturing, Low-density parity-check code, Computer science, Code rate, Block (permutation group theory), Code (set theory), Block code, Algorithm

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