A Fuzzy AHP Approach to Network Selection Improvement in Heterogeneous Wireless Networks

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• 关键词：Heterogeneous networks ; Vertical handover ; Network selection ; Always best connected ; Fuzzy analytic hierarchy process ; Multiple attribute decision making
• 刊名：Lecture Notes in Computer Science
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：9944
• 期：1
• 页码：169-182
• 全文大小：1,844 KB
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• 作者单位：Maroua Drissi (15)
  Mohammed Oumsis (15) (16)
  Driss Aboutajdine (15)
  
  15. LRIT, Associated Unit to CNRST URAC’29, Faculty of Sciences, Mohammed V University in Rabat, Rabat, Morocco
  16. High School of Technology, Mohammed V University in Rabat, Sale, Morocco
  
• 丛书名：Networked Systems
• ISBN：978-3-319-46140-3
• 刊物类别：Computer Science
• 刊物主题：Artificial Intelligence and Robotics
  Computer Communication Networks
  Software Engineering
  Data Encryption
  Database Management
  Computation by Abstract Devices
  Algorithm Analysis and Problem Complexity
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1611-3349
• 卷排序：9944

文摘

One of the most arduous topics for next-generation wireless networks - 4G and beyond - is the operation of vertical handover considering the fact that many wireless communication technologies have been deployed in order to handle mobile users any time, anywhere and anyhow. Furthermore, users are more and more captivated by multimedia applications such as audio, video and voice, which need strict Quality of Service (QoS) support. Thus, keeping the user Always Best Connected (ABC) with such constraints is a challenging task. In this paper, we propose an approach for network selection based on Fuzzy Analytic Hierarchy Process (FAHP), applied to determine the relative weights of the evaluation criteria. Afterwards Simple Additive Weighting (SAW) is used to rank the available networks. Implementation and simulation experiments with Network Simulator NS3 are presented in order to validate our proposed approach. The empirical results show that FAHP, compared with classic AHP, achieves a significant improvement up to 10 % in term of delay and 25 % in term of packet loss.