Polling Scheme Adapted to Unbalanced Traffic Load in IEEE 802.11x Wireless LAN


KIPS Transactions on Computer and Communication Systems, Vol. 12, No. 3, pp. 387-394, Jun. 2005
10.3745/KIPSTC.2005.12.3.387,   PDF Download:

Abstract

Every MAC (Medium Access Control) sub-layers of IEEE 802.11x, including IEEE 802.11e, defines Connection-based and CF (Contention Free)-based service functions in common. In this paper, a New-CF method is proposed. In the proposed method, conventional Round Robin method, which is used as a polling method by IEEE 802.11x PCF (Point Coordination Function) or IEEE 802.11e HCCA, is modified to give weights to channels with heavier traffic load and to provide those weighted channels with more services. Based on NS-2 simulations, it is verified the proposed method shows better throughput in general, particularly under unbalanced traffic load conditions.


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Cite this article
[IEEE Style]
S. Y. Shin and S. H. Park, "Polling Scheme Adapted to Unbalanced Traffic Load in IEEE 802.11x Wireless LAN," KIPS Journal C (2001 ~ 2012) , vol. 12, no. 3, pp. 387-394, 2005. DOI: 10.3745/KIPSTC.2005.12.3.387.

[ACM Style]
Soo Young Shin and Soo Hyun Park. 2005. Polling Scheme Adapted to Unbalanced Traffic Load in IEEE 802.11x Wireless LAN. KIPS Journal C (2001 ~ 2012) , 12, 3, (2005), 387-394. DOI: 10.3745/KIPSTC.2005.12.3.387.