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- W2544367090 abstract "Low Density Parity Check (LDPC) codes have excellent error correcting performance. LDPC codes are one of the block coding techniques and it performs near Shannon limit and recommended for many practical applications. Non-binary LDPC codes extension of binary LDPC in error correcting property especially for short and moderate block length. In many digital communication systems these codes have strong competitors of turbo codes for error control. Low Density Parity Check as it name is suggests that in a parity check matrix (H) consists of very small number of non-zero elements comparing with zero elements. The strength of the LDPC code defines Parity Check Matrix (PCM). LDPC code contains two types of decoding algorithms hard and soft decision algorithm. By comparing with other traditional decoding algorithm FFT based sum product algorithm reduced computation complexity with better decoding performance. In this paper, LDPC codes for FFT based sum product decoding algorithm performances are analysed for various order of Galois Field GF(q) using AWGN channel. Decoding performance measured in terms of symbol error rate which improve with increasing order of Galois field." @default.
- W2544367090 created "2016-11-04" @default.
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- W2544367090 date "2014-12-01" @default.
- W2544367090 modified "2023-09-26" @default.
- W2544367090 title "FFT based sum product decoding algorithm of LDPC coder for GF(q)" @default.
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- W2544367090 doi "https://doi.org/10.1109/et2ecn.2014.7044980" @default.
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