A Soft Decision Decoding Method of LDPC-Coded M-ary Pulse Position Modulated Signals in Underwater Laser Communication 


Vol. 43,  No. 11, pp. 1798-1801, Nov.  2018
10.7840/kics.2018.43.11.1798


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  Abstract

In this letter, we propose the soft-decision algorithm for received M-ary PPM signal. Also, we analyze the performance between conventional hard-decision method and proposed soft-decision method by applying the LDPC coding for underwater laser communication. Simulation results show that the proposed soft-decision method has better performance than the hard-decision one in the range of 0.2 dB to 2.2 dB for different size of M.

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  Cite this article

[IEEE Style]

C. Baek, A. Lee, D. Lee, J. Jung, "A Soft Decision Decoding Method of LDPC-Coded M-ary Pulse Position Modulated Signals in Underwater Laser Communication," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 11, pp. 1798-1801, 2018. DOI: 10.7840/kics.2018.43.11.1798.

[ACM Style]

Chang-Uk Baek, A-Hyun Lee, Dong-Hun Lee, and Ji-Won Jung. 2018. A Soft Decision Decoding Method of LDPC-Coded M-ary Pulse Position Modulated Signals in Underwater Laser Communication. The Journal of Korean Institute of Communications and Information Sciences, 43, 11, (2018), 1798-1801. DOI: 10.7840/kics.2018.43.11.1798.

[KICS Style]

Chang-Uk Baek, A-Hyun Lee, Dong-Hun Lee, Ji-Won Jung, "A Soft Decision Decoding Method of LDPC-Coded M-ary Pulse Position Modulated Signals in Underwater Laser Communication," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 11, pp. 1798-1801, 11. 2018. (https://doi.org/10.7840/kics.2018.43.11.1798)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880