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Automated secured handoff delay reduction by minimising authentication cost in mobile WiMAX network entry process

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  • B. Sridevi
  • S. Rajaram

Abstract

Augmentation of WiMAX is incredible because of its substantial bandwidth and high speed over large distances. But the crucial challenge it faces is handoff delay, which is considered to be the key factor in the present scenario. Handling the authorised user to avoid security threats plays a vital role in handoff which in turn increases the handoff delay. Equalising the significance of both authentication and handoff, an adaptation is required to reduce the authentication cost without security compromise. This paper proposes three different mechanisms to automatically reduce authentication cost during handoff depending upon its users and hence enhances the mobility of users. The automation technique proposes three types of key caching which is suitable for users frequently moving to the already visited base station (BS) and it saves maximum of 58.64% of authentication cost. Further, it is dedicated for ping-pong users travelling in the border and moves between two BSs repeatedly which minimises authentication cost up to 88.57% and a controlled architecture in which users can be authenticated prior to their handoff to BS saving 69.25% authentication cost. Simulation results show the contribution of the proposed methods in the reduction of handoff delay.

Suggested Citation

  • B. Sridevi & S. Rajaram, 2015. "Automated secured handoff delay reduction by minimising authentication cost in mobile WiMAX network entry process," International Journal of Information Technology and Management, Inderscience Enterprises Ltd, vol. 14(1), pages 43-59.
  • Handle: RePEc:ids:ijitma:v:14:y:2015:i:1:p:43-59
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