Distributed CSMA/CA Medium Access Control for Incomplete Medium Sharing Systems with General Channel Access Constraints 


Vol. 31,  No. 5, pp. 365-377, May  2006


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  Abstract

We define the incomplete medium sharing system as a multi-channel shared medium communication system where any types of constraints are imposed to the set of channels that may be allocated to any transmitter-receiver node pair. A set of distributed MAC schemes are proposed, all of which are based on the CSMA/CA scheme employed in IEEE 802. 11 WLAN standards. Distributed MAC schemes are proposed in three different forms, which can be differentiated by the number and the location of back-off timers; that is, (1) one timer for all queues destined for different receiver nodes, (2) multiple timers at individual transmission queues, (3) multiple timers for individual channels. Through an extensive set of computer simulations, the performances of the proposed MAC schemes show that the MAC scheme with timers at individual transmission queues outperform the others in terms of throughput and delay for most cases considered. The complexity of the proposed schemes is also compared, and the first scheme obviously turned out to be the simplest, and the complexity of the second and third schemes depends on the number of receiver nodes and the number of channels, respectively.

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  Cite this article

[IEEE Style]

B. Lee, B. Jeon, J. Choe, "Distributed CSMA/CA Medium Access Control for Incomplete Medium Sharing Systems with General Channel Access Constraints," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 5, pp. 365-377, 2006. DOI: .

[ACM Style]

Byoungseok Lee, Byoungwook Jeon, and Jinwoo Choe. 2006. Distributed CSMA/CA Medium Access Control for Incomplete Medium Sharing Systems with General Channel Access Constraints. The Journal of Korean Institute of Communications and Information Sciences, 31, 5, (2006), 365-377. DOI: .

[KICS Style]

Byoungseok Lee, Byoungwook Jeon, Jinwoo Choe, "Distributed CSMA/CA Medium Access Control for Incomplete Medium Sharing Systems with General Channel Access Constraints," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 5, pp. 365-377, 5. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880