NDLI: Block decoding using the Dorsch Algorithm

Content Provider	IEEE Xplore Digital Library
Author	Rahman, H.A. Rahman, F.Y.A. Kadir, R.S.S.A. Khalid, M.F.A. Naim, N.F.
Copyright Year	2008
Description	Author affiliation: Fac. of Electr. Eng., MARA Univ. of Technol., Shah Alam (Rahman, H.A.; Rahman, F.Y.A.; Kadir, R.S.S.A.; Khalid, M.F.A.; Naim, N.F.)
Abstract	The aim of this research is to investigate the Dorsch algorithm performance in the decoding process of binary Hamming codes. The conventional decoding method is hard decision based whereby the message of the demodulator is quantized only to two levels. An important feature of the Dorsch algorithm is that it uses soft decision decoding. Soft decision occurs if the output of the demodulator is quantized to more than two levels. The algorithm uses soft decision information to rank the reliability of the received symbols. The high reliability symbols are treated as the soft decision of the information values whereas the low reliability symbols are treated as parity checks for the information values. The error performance of both the decoding methods were evaluated and concluded. It was observed that Dorsch Algorithm produces better performance compared to the conventional hard decision decoding.
Starting Page	427
Ending Page	430
File Size	212256
Page Count	4
File Format	PDF
ISBN	9781424428663
DOI	10.1109/RFM.2008.4897471
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-02
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Additive White Gaussian Noise AWGN Bit error rate Decoding Equations Soft Decision Decoding Gaussian noise Additive white noise Parity check codes Bit Error Rate Error correction Block codes Demodulation Block Codes
Content Type	Text
Resource Type	Article

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