Network selection algorithm based on AHP and similarity

doi:10. 19682/ j. cnki. 1005-8885. 2018. 1008

中国邮电高校学报(英文) ›› 2018, Vol. 25 ›› Issue (2): 77-88.doi: 10. 19682/ j. cnki. 1005-8885. 2018. 1008

Network selection algorithm based on AHP and similarity

Li Wanghong, Zhu Qi

Jiangsu Key Lab of Wireless Communications, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

收稿日期:2017-10-31 修回日期:2018-03-28 出版日期:2018-04-30 发布日期:2018-07-02
通讯作者: Li Wanghong, E-mail: 2391519868@ qq. com E-mail:2391519868@qq.com
作者简介:Li Wanghong, E-mail: 2391519868@ qq. com
基金资助:
This work was supported by National Natural Science Foundation of China (61571234, 61631020).

Network selection algorithm based on AHP and similarity

Li Wanghong, Zhu Qi

Jiangsu Key Lab of Wireless Communications, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

Received:2017-10-31 Revised:2018-03-28 Online:2018-04-30 Published:2018-07-02
Contact: Li Wanghong, E-mail: 2391519868@ qq. com E-mail:2391519868@qq.com
About author:Li Wanghong, E-mail: 2391519868@ qq. com
Supported by:
This work was supported by National Natural Science Foundation of China (61571234, 61631020).

摘要/Abstract

摘要： In heterogeneous wireless networks, there are various kinds of service demands from the users. A network selection algorithm based onthe analytic hierarchy process (AHP) and Similarity is proposed to solve this problem. The services are divided into three classes: Conversational Class, Streaming Class and Interactive Class. According to the characteristics of each service, a different judgment matrix is assigned and then the AHP method is used to
calculate the network attribute weights. Taking the dynamic changes in user demands and network environment into account, a formula based on Lance distance for computing the attributes similarity is derived to evaluate the degree of conformity between user requirements and network attributes, from which the similarity between the user requirements and network attributes is calculated and then the total similarity by weighting. The network with the largest total similarity is the best choice. Simulation results demonstrate the effectiveness of the proposed scheme in improving the quality of service (QoS) according to the user requirements under three kinds of services.

关键词: AHP, attributes similarity, service type, network selection

Abstract: In heterogeneous wireless networks, there are various kinds of service demands from the users. A network selection algorithm based onthe analytic hierarchy process (AHP) and Similarity is proposed to solve this problem. The services are divided into three classes: Conversational Class, Streaming Class and Interactive Class. According to the characteristics of each service, a different judgment matrix is assigned and then the AHP method is used to
calculate the network attribute weights. Taking the dynamic changes in user demands and network environment into account, a formula based on Lance distance for computing the attributes similarity is derived to evaluate the degree of conformity between user requirements and network attributes, from which the similarity between the user requirements and network attributes is calculated and then the total similarity by weighting. The network with the largest total similarity is the best choice. Simulation results demonstrate the effectiveness of the proposed scheme in improving the quality of service (QoS) according to the user requirements under three kinds of services.

Key words: AHP, attributes similarity, service type, network selection

中图分类号:

TN929.5

Li Wanghong, Zhu Qi. Network selection algorithm based on AHP and similarity[J]. JOURNAL OF CHINA UNIVERSITIES OF POSTS AND TELECOM, 2018, 25(2): 77-88.

参考文献

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Network selection algorithm based on AHP and similarity

Network selection algorithm based on AHP and similarity

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