Asymptotic Gain of Network-Coded Retransmission in Wireless Networks 


Vol. 37,  No. 6, pp. 464-473, Jun.  2012


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  Abstract

In this paper, we derive the gain of network coding when it is utilized for retransmission in wireless networks. To the end, we derive the outage probability of the network-coded transmission and express the diversity order as a function of the number of nodes and the node’s listening probability. From the outage probability, we formulate the ?-outage capacity. The network-coding gain is the ratio of the ?-outage capacities between network-coded and non-coded transmissions. Under our system model, we find that the network-coding gain is a function of the diversity order. Moreover, when there are infinitely many nodes, we show that the network coding gain approaches 0.25<SUB>In this paper, we derive the gain of network coding when it is utilized for retransmission in wireless networks. To the end, we derive the outage probability of the network-coded transmission and express the diversity order as a function of the number of nodes and the node’s listening probability. From the outage probability, we formulate the ?-outage capacity. The network-coding gain is the ratio of the ?-outage capacities between network-coded and non-coded transmissions. Under our system model, we find that the network-coding gain is a function of the diversity order. Moreover, when there are infinitely many nodes, we show that the network coding gain approaches 0.25<SUB>?</SUB><SUP>-1</SUP> 

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  Cite this article

[IEEE Style]

S. Ko and S. Kim, "Asymptotic Gain of Network-Coded Retransmission in Wireless Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 6, pp. 464-473, 2012. DOI: .

[ACM Style]

Seung-Woo Ko and Seong-Lyun Kim. 2012. Asymptotic Gain of Network-Coded Retransmission in Wireless Networks. The Journal of Korean Institute of Communications and Information Sciences, 37, 6, (2012), 464-473. DOI: .

[KICS Style]

Seung-Woo Ko and Seong-Lyun Kim, "Asymptotic Gain of Network-Coded Retransmission in Wireless Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 6, pp. 464-473, 6. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880