A Study on a Reliable Cooperative MAC Protocol for Ad Hoc Networks 


Vol. 35,  No. 6, pp. 577-584, Jun.  2010


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  Abstract

In this paper, a cooperative MAC protocol that is reliable over bad wireless channel environments and thus can enhance the system performance much more is proposed. Its performance is evaluated with the computer simulation. The system throughput and average waiting delay are used as performance measures. According to numerical results, the proposed MAC protocol provides better system throughput by 24% than the traditional rDCF scheme. From the average waiting delay point of view, when the number of terminals is small, the proposed MAC protocol has the better performance in an average view-point than the rDCF scheme. However, when the number of terminals is large, the proposed MAC protocol provides a little worse performance than the rDCF scheme. That is because, when the number of terminals is large, the dominant factor affecting the system performance is channel contention procedure, which results in lots of collisions. However, if the queuing delays in the waiting buffers are included for calculating the average waiting delay, then the total system delay will be smaller than the rDCF scheme.

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  Cite this article

[IEEE Style]

J. Jang, "A Study on a Reliable Cooperative MAC Protocol for Ad Hoc Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 6, pp. 577-584, 2010. DOI: .

[ACM Style]

Jaeshin Jang. 2010. A Study on a Reliable Cooperative MAC Protocol for Ad Hoc Networks. The Journal of Korean Institute of Communications and Information Sciences, 35, 6, (2010), 577-584. DOI: .

[KICS Style]

Jaeshin Jang, "A Study on a Reliable Cooperative MAC Protocol for Ad Hoc Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 6, pp. 577-584, 6. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880