Cyclic Contention Free Access Scheme for IEEE802.15.4 WPAN 


Vol. 32,  No. 7, pp. 455-462, Jul.  2007


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  Abstract

The GTS(Guaranteed Time Slot) of IEEE802.15.4 standard, which is the contention free access mechanism, has some problems such as the limited number of deployed devices, the low channel utilization and the service confirm delay. The proposed Cyclic-CFA(Contention Free Access) scheme is a modified polling algorithm that allows a large number of devices to be served Contention Free Access without polling packets. The Cyclic-CFA scheme improves the channel utilization dramatically and also reduces service delay time.

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  Cite this article

[IEEE Style]

W. Kwak and J. Lee, "Cyclic Contention Free Access Scheme for IEEE802.15.4 WPAN," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 7, pp. 455-462, 2007. DOI: .

[ACM Style]

Woon-geun Kwak and Jai-yong Lee. 2007. Cyclic Contention Free Access Scheme for IEEE802.15.4 WPAN. The Journal of Korean Institute of Communications and Information Sciences, 32, 7, (2007), 455-462. DOI: .

[KICS Style]

Woon-geun Kwak and Jai-yong Lee, "Cyclic Contention Free Access Scheme for IEEE802.15.4 WPAN," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 7, pp. 455-462, 7. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880