Journal of Information Processing Systems

  • 제14권3호
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  • Pages.771-789
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  • 2018
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  • 1976-913X(pISSN)
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  • 2092-805X(eISSN)
한국정보처리학회 (Korea Information Processing Society)
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Maximizing Network Utilization in IEEE 802.21 Assisted Vertical Handover over Wireless Heterogeneous Networks

  • Pandey, Dinesh (Centre for Applied Informatics, Dept. of Engineering and science, Victoria University) ;
  • Kim, Beom Hun (Dept. of Information and Communication Engineering, Chosun University) ;
  • Gang, Hui-Seon (Dept. of Information and Communication Engineering, Chosun University) ;
  • Kwon, Goo-Rak (Dept. of Information and Communication Engineering, Chosun University) ;
  • Pyun, Jae-Young (Dept. of Information and Communication Engineering, Chosun University)
  • 투고 : 2015.09.01
  • 심사 : 2016.01.06
  • 발행 : 2018.06.30
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초록

In heterogeneous wireless networks supporting multi-access services, selecting the best network from among the possible heterogeneous connections and providing seamless service during handover for a higher Quality of Services (QoSs) is a big challenge. Thus, we need an intelligent vertical handover (VHO) decision using suitable network parameters. In the conventional VHOs, various network parameters (i.e., signal strength, bandwidth, dropping probability, monetary cost of service, and power consumption) have been used to measure network status and select the preferred network. Because of various parameter features defined in each wireless/mobile network, the parameter conversion between different networks is required for a handover decision. Therefore, the handover process is highly complex and the selection of parameters is always an issue. In this paper, we present how to maximize network utilization as more than one target network exists during VHO. Also, we show how network parameters can be imbedded into IEEE 802.21-based signaling procedures to provide seamless connectivity during a handover. The network simulation showed that QoS-effective target network selection could be achieved by choosing the suitable parameters from Layers 1 and 2 in each candidate network.

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참고문헌

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