Low density parity check (LDPC) code for OFDM transmission using bit flipping and sum product algorithm

Sahputra, Robby and Astharini, Dwi and Faisal (2017) Low density parity check (LDPC) code for OFDM transmission using bit flipping and sum product algorithm. Advanced Science Letters, 23 (4). pp. 3754-3757. ISSN 1936-6612

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Abstract

LDPC code is a powerful FEC coding scheme with good error performance under very low BER. For implementation in OFDMscheme, particular decoding algorithm is needed. The project is to implement FEC for OFDM and analyze the system performance with LDPC codes along with two decoding algorithm on OFDM over a AWGN channel. Bit flipping (BF) and sum product algorithm (SPA) are compared for their decoding performance. The parameter used for observation are BER over EbN0. The results obtained shows that the LDPC codes on OFDM can reduce error 1.5 % in average compared with without LDPC. Also that SPA decoding can perform better than the BF.

Item Type:	Article
Uncontrolled Keywords:	Electrical Engineering; Bit Flipping; LDPC; OFDM; Sum Product Algorithm
Subjects:	600 Applied sciences & technology > 620 Engineering > 621 Applied Physics
Divisions:	Universitas Al-Azhar Indonesia (UAI) > Fakultas Sains dan Teknologi (FST) > Teknik Elektro
Depositing User:	Rifda Jilan
Date Deposited:	01 Apr 2023 07:29
Last Modified:	01 Apr 2023 07:29
URI:	http://eprints.uai.ac.id/id/eprint/2120

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