Cluster-based AAA architecture for wireless sensor and WiMax networks

Authors:
Usman Mansoor;Taekkyeun Lee;Usman Mehmood;Ki-Hyung Kim
Affiliations:
Ajou University, Suwon, Korea;Ajou University, Suwon, Korea;Ajou University, Sanhak Hall, Suwon, Korea;Ajou University, Suwon. Korea
Venue:
Proceedings of the 6th International Conference on Ubiquitous Information Management and Communication
Year:
2012

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Abstract

Machine to Machine (M2M) is considered the next frontier in the domain of communication industry. Wireless Network Operators are gearing up extensive efforts to support M2M Services in their networks to diversify their revenue base. WiMax is one of the 4G broadband wireless access technologies which have tremendous potential to play market driver role in realization of M2M concept. Its' relatively low licensing and deployment costs make it a strong contender. Numerous architectural design upgrades are being proposed to accommodate large and diverse Sensor Deployments in WiMax backhauled sensor networks. One of the design problems is the functionality of AAA in this scenario. AAA is incumbent to WiMax Operator for revenue generation and subscriber profile management. This paper provides a functional architecture to accommodate AAA functionality for large sensor networks containing hundreds of thousands of nodes. The scheme is based on Cluster Based Authentication of sensor nodes. The use of this scheme reduces the signaling load at authentication entities in the network. The solution is aimed to be economical with minimal modifications in already deployed WiMax Cores. The architecture is proposed with the core aim of keeping the modification cost low for already deployed WiMax Networks. The solution is also designed to be fail-safe to minimize the risk of network outage to conventional commercial WiMax subscribers. The contribution of this paper is to provide functional architecture and roadmap for WiMax Operators to add WSN Functionality to deployed WiMax Networks.