Dynamic Inter Arrival Time Based Seamless Handoff for Mobile WIMAX Ping-Pong Calls Bypassing PKMv2 EAP Authentication

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B.Sridevi 1,* S.Rajaram 1

1. Department of ECE, Velammal College of Engineering and Technology, Department of ECE, Thiagarajar College of Engineering, India

* Corresponding author.

DOI: https://doi.org/10.5815/ijcnis.2012.06.08

Received: 26 Aug. 2011 / Revised: 9 Dec. 2011 / Accepted: 24 Feb. 2012 / Published: 8 Jun. 2012

Index Terms

IEEE802.16, WiMAX Handoff Delay, Authentication cost, Ping Pong, TEK utilization


The rapid growth of wireless communication and its persistent use influences all walks of life. Mobile WiMAX IEEE 802.16e standard enabled convergence of mobile and fixed broadband networks through a common wide-area radio-access technology and flexible network architecture. It aims to provide seamless support to its users but an inevitable is that the long delay which occurs during the handoff management in every network process. This paper proposes a Dynamic Interval based Processing Algorithm to separate ping-pong users from the pool of users and to process them separately thus reducing the overhead of network re-entry process. Incoming users are divided into three categories like new user, old user and ping pong user. New user should undergo all the phases of network entry process, old user is provided with authentication key which leads to skipping of steps in generation of keys. Proposed algorithm deals with identifying the ping pong users by calculating the inter arrival duration and rate with same base station. When assured authenticated ping-pong users enter the network next time within the allotted time they will be provided with last used Traffic Encryption Key (TEK) thus bypassing key generation phase . It is observed that the proposed work performs the authentication phase and cancels the key generation phase which leads to minimum network entry delay and it saves to the maximum of 80% processing time. The network model was developed using Network Simulator and the algorithm was implemented in MATLAB GUIDE which gets connected to the database developed in MYSQL.This approach is justified through its timing analysis result which proves the efficient swift in the handoff processes.

Cite This Paper

B.Sridevi, S.Rajaram, "Dynamic Inter Arrival Time Based Seamless Handoff for Mobile WIMAX Ping-Pong Calls Bypassing PKMv2 EAP Authentication", International Journal of Computer Network and Information Security(IJCNIS), vol.4, no.6, pp.56-64, 2012. DOI:10.5815/ijcnis.2012.06.08


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