An enhanced-TOPSIS based network selection technique for next generation wireless networks

The concept “Always Best connected“ (ABC) is one of the main challenges in heterogeneous wireless networks. Based on the functionality of ABC, the users can be always connected to different services anywhere at anytime with multi-interfaces devices. The vertical handover decision is an efficient solution that can used to ensure the ABC paradigm. Thisenhanced vertical handover decision technique paper proposes an enhanced vertical handover decision technique which combines two multi attribute decision making (MADM) methods, the analytic network process (ANP) and the enhanced technique for order preference by similarity to an ideal solution (E-TOPSIS). The ANP method is applied to weigh the criteria and the E-TOPSIS method is used to rank the alternatives. The simulation results show that the proposed technique can effectively reduce the reversal phenomenon and the number of handoffs.