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Dynamic Target Wireless Network Selection Technique Using Fuzzy Linguistic Variables

Kaleem, F. ; Mehbodniya, A. ; Islam, A. ; Yen, K. K. ; Adachi, F.

China communications, 2013, Vol.10 (1), p.1-16 [Periódico revisado por pares]

China Communications Magazine Co. Ltd

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  • Título:
    Dynamic Target Wireless Network Selection Technique Using Fuzzy Linguistic Variables
  • Autor: Kaleem, F. ; Mehbodniya, A. ; Islam, A. ; Yen, K. K. ; Adachi, F.
  • Assuntos: Algorithm design and analysis ; Fuzzy logic ; heterogeneous networks ; Mobile communication ; Mobile computing ; network access selection ; Quality of service ; Techniques for Order Preference by Similarity to Ideal Solution ; Telecommunication network management ; VHO ; Wireless LAN ; Wireless networks ; WLAN ; WMAN ; WWAN ; 异构无线网络 ; 无线接入技术 ; 无线网络技术 ; 无线网络接入技术 ; 模糊语言变量 ; 目标选择 ; 移动用户 ; 设计问题
  • É parte de: China communications, 2013, Vol.10 (1), p.1-16
  • Notas: Faisal Kaleem1, Abolfazl Mehbodniya2, Arif Islaml, Kang K. Yen1, Fumiyuki Adachi2 1Florida International University, Miami, FL, USA 2Tohoku University, Sendai, Japan
    network access selection; VHO;heterogeneous networks; WLAN; WMAN;WWAN; Techniques for Order Preference bySimilarity to Ideal Solution
    11-5439/TN
    Even though various wireless Net- work Access Technologies （NATs） with dif- ferent specifications and applications have been developed in the recent years, no single wireless technology alone can satisfy the any- time, anywhere, and any service wire- less-access needs of mobile users. A real seamless wireless mobile environment is only realized by considering vertical and horizontal handoffs together. One of the major design issues in heterogeneous wireless networks is the support of Vertical Handoff （VHO）. VHO occurs when a multi-interface enabled mobile terminal changes its Point of Attachment （PoA） from one type of wireless access technology to another, while maintaining an active session. In this paper we present a novel multi-criteria VHO algorithm, which chooses the target NAT based on several factors such as user preferences, system parameters, and traf- tic-types with varying Quality of Service （QoS） requirements. Two modules i.e., VHO Neces- sity Estimation （VHONE） module and target NAT selection module, are designed. Both modules utilize several ＂weighted＂ users＇ and system＇s parameters. To improve the robust- ness of the proposed algorithm, the weighting system is designed based on the concept of fuzzy linguistic variables.
  • Descrição: Even though various wireless Net- work Access Technologies （NATs） with dif- ferent specifications and applications have been developed in the recent years, no single wireless technology alone can satisfy the any- time, anywhere, and any service wire- less-access needs of mobile users. A real seamless wireless mobile environment is only realized by considering vertical and horizontal handoffs together. One of the major design issues in heterogeneous wireless networks is the support of Vertical Handoff （VHO）. VHO occurs when a multi-interface enabled mobile terminal changes its Point of Attachment （PoA） from one type of wireless access technology to another, while maintaining an active session. In this paper we present a novel multi-criteria VHO algorithm, which chooses the target NAT based on several factors such as user preferences, system parameters, and traf- tic-types with varying Quality of Service （QoS） requirements. Two modules i.e., VHO Neces- sity Estimation （VHONE） module and target NAT selection module, are designed. Both modules utilize several ＂weighted＂ users＇ and system＇s parameters. To improve the robust- ness of the proposed algorithm, the weighting system is designed based on the concept of fuzzy linguistic variables.
  • Editor: China Communications Magazine Co. Ltd
  • Idioma: Chinês;Inglês
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