An evolutionary approach to velocity and traffic sensitive call admission control

Authors:
Sanchita Ghosh;Amit Konar
Affiliations:
Department of Electronics and Tele-Communication Engineering, Jadavpur University, Kolkata, India;Department of Electronics and Tele-Communication Engineering, Jadavpur University, Kolkata, India
Venue:
Intelligent Decision Technologies
Year:
2011

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Abstract

The paper proposes a new approach to call admission control in a mobile cellular network using an evolutionary algorithm. Existing algorithms on call admission control either ignore both variation in traffic conditions or velocity of mobile devices, or at most consider one of them. This paper overcomes the above problems jointly by formulating call admission control as a constrained optimization problem, where the primary objective is to minimize the call drop under dynamic condition of the mobile stations, satisfying the constraints to maximize the channel assignment and minimize the dynamic traffic load in the network. The constrained objective function has been minimized using an evolutionary algorithm. Experimental results and computer simulations envisage that the proposed algorithm outperforms most of the existing approaches on call admission control, considering either of the two issues addressed above.