Tone-Based Access Scheme with Repetitive Contention in Contention-Based Medium Access Control 


Vol. 32,  No. 5, pp. 460-466, May  2007


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  Abstract

There are two coordination functions in IEEE 802.11 standard. One is PCF, polling based function, and the other is DCF, contention based function. DCF is simpler than PCF but the performance is similar with the latter. That's the reason why DCF is more popular than PCF. However, DCF has a risk of collision with other nodes in the network because the function is a distributed contention based one. CSMA/CA of DCF has collision avoidance algorithm in it, but the performance of avoidance algorithm has limitations. In this paper we proposed a new scheme called TAR(Tone-based Access scheme with Repetitive conention). In TAR, there is narrow contention-only channel other than original data transmitting channel, so that both a data transmission and the contention can be performed simultaneously. The TAR uses the same contention concept with the CSMA/CA, but it has the originality for the narrow contention channel and the repetitive contention scheme which greatly reduce the collision probability. We proved the performance of TAR by some simulations, and it showed good results.

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  Cite this article

[IEEE Style]

J. Ahn, J. Yun, S. Bahk, "Tone-Based Access Scheme with Repetitive Contention in Contention-Based Medium Access Control," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 5, pp. 460-466, 2007. DOI: .

[ACM Style]

Jaehyun Ahn, Jeongkyun Yun, and Saewoong Bahk. 2007. Tone-Based Access Scheme with Repetitive Contention in Contention-Based Medium Access Control. The Journal of Korean Institute of Communications and Information Sciences, 32, 5, (2007), 460-466. DOI: .

[KICS Style]

Jaehyun Ahn, Jeongkyun Yun, Saewoong Bahk, "Tone-Based Access Scheme with Repetitive Contention in Contention-Based Medium Access Control," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 5, pp. 460-466, 5. 2007.