Radio Resource Management with Utility and Pricing for Wireless LAN Hot-Spots

Authors:
Leonardo Badia;Michele Zorzi
Affiliations:
Department of Engineering, Universitá degli Studi di Ferrara, Ferrara, Italy 44100;Department of Information Engineering, Universitá degli Studi di Padova, Padova, Italy 35131
Venue:
Wireless Personal Communications: An International Journal
Year:
2005

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Abstract

We investigate Wireless LAN hot-spots based on the IEEE 802.11b protocol, considering technical and economic issues of the Radio Resource Allocation. Firstly, we discuss how to model the trade-off between perceived QoS and paid price in the users' request, so as to represent the users as choosing the most satisfactory allocation, determined by service requirements and willingness to pay. After the setup of the users' requests, the multiple medium access mechanism is considered and the network performance is evaluated and discussed. Thus, we investigate the provider's task of having a suitable price policy which gives a satisfactory income and efficiently exploit network capacity. This is also dependent on a price setting that is accepted by the users and optimises resource usage. Finally, we study how the multiple access scheme specified in the IEEE 802.11b protocol combines users' requests to a final allocation, and identify possibilities of improvement for the inherent inefficiencies arising from overload.