Efficient Application of Rateless Codes for Satellite Communication Systems 


Vol. 44,  No. 3, pp. 484-489, Mar.  2019
10.7840/kics.2019.44.3.484


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  Abstract

This paper proposes efficient techniques to countermeasure rain fading in the satellite systems by utilizing rateless codes. In the proposed scheme, rateless codes are designed for the LDPC codes defined in the DVB-S2(X) system which is a technical standard for digital satellite broadcasting services. By taking the codewords of the LDPC code as the systematic parts, the encoder of the rateless code generates their parities in two different ways in order to compensate rain fading. The first one is to transmit a given length of parities at every retransmission until the decoding is succeeded, while the second one is to transmit adaptive length of parity which is suitable for the predicted fading value and retransmission is made only once. Simulations are performed by using a satellite rain-fading channel model in Ka frequency band, and the results demonstrates that the proposed scheme can be effectively utilized to compensate rain fading.

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  Cite this article

[IEEE Style]

S. Chan and S. Kim, "Efficient Application of Rateless Codes for Satellite Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 3, pp. 484-489, 2019. DOI: 10.7840/kics.2019.44.3.484.

[ACM Style]

Satya Chan and Sooyoung Kim. 2019. Efficient Application of Rateless Codes for Satellite Communication Systems. The Journal of Korean Institute of Communications and Information Sciences, 44, 3, (2019), 484-489. DOI: 10.7840/kics.2019.44.3.484.

[KICS Style]

Satya Chan and Sooyoung Kim, "Efficient Application of Rateless Codes for Satellite Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 3, pp. 484-489, 3. 2019. (https://doi.org/10.7840/kics.2019.44.3.484)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880