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http://dx.doi.org/10.7840/kics.2015.40.8.1500

Efficient Broadcast Scheme Based on Ergodic Index Coding  

Choi, Sang Won (ICT Convergence Research Team, Korea railroad research institute (KRRI))
Kim, Juyeop (ICT Convergence Research Team, Korea railroad research institute (KRRI))
Kim, Yong-Kyu (ICT Convergence Research Team, Korea railroad research institute (KRRI))
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.40, no.8, 2015 , pp. 1500-1506 More about this Journal
Abstract
In this paper, en efficient broadcast scheme with acknowledged mode is proposed. Specifically, based on stochastic pattern of ACK/NACK across all users and index coding, adaptive coding scheme with XOR operation is used at the transmitter. At each receiver, packets are decoded using layered decoding method with already successfully decoded packets. From numerical results, proposed index coded broadcast scheme is shown to be more efficient than naive broadcast scheme in the sense of average total number of transmitted packets.
Keywords
Index coding; broadcast; ergodicity; ACK/NACK;
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