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Distributed radio resource usage optimization of WLANs based on IEEE 1900.4 architecture

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2 Author(s)
Eng Hwee Ong ; Sch. of Electr. Eng. & Comput. Sci., Univ. of Newcastle, Newcastle, NSW, Australia ; Khan, J.Y.

IEEE 1900.4 is the recently approved standard which specify a policy-based radio resource management (RRM) framework where the decision-making process is distributed between the network-terminal entities. By exploiting the cooperative exchange of context information between the network-terminal entities, the standard aims to facilitate the optimization of radio resource usage to improve the overall composite capacity and QoS of wireless networks in a multiple radio access technologies (multi-RAT) landscape. In this paper, we demonstrate how IEEE 1900.4 standard can be employed to legacy radio access network, in particular, a multiple access point (multi-AP) based WLAN to effectuate distributed radio resources usage optimization, corresponding to one of the three use cases defined in the standard through a load adaptation policy (LAP). Through simulations, we show that overall composite capacity and QoS in terms of QoS balance can be improved by 15% and 23% respectively and the total number of handover can be reduced by 72% with IEEE 1900.4 RRM as compared to a network-distributed RRM architecture.

Published in:

Wireless Days (WD), 2009 2nd IFIP

Date of Conference:

15-17 Dec. 2009