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A Network Selection Scheme Based on TOPSIS in Heterogeneous Network Environment

本站小编 哈尔滨工业大学/2019-10-23

A Network Selection Scheme Based on TOPSIS in Heterogeneous Network Environment

Long Xu, Yi Li

(School of Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China)



Abstract:

This paper deals with network selection problem for users in heterogeneous network environment. The main context is to improve the TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) network scheme by combining the network properties and the users’ requirement accurately and decrease ping-pong effect. The method of entropy and FAHP (Fuzzy Analytic Hierarchy Process) are used to calculate weight value and the sojourn time calculation is used to avoid ping-pang effect. The simulation results show that the improved scheme enhances the more accuracy of network selection than the existing methods and reduces the number of ping-pang effect.

Key words:  network selection  sojourn time  FAHP  entropy  TOPSIS

DOI:10.11916/j.issn.1005-9113.2014.01.006

Clc Number:TN91

Fund:


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