An enhanced information server for seamless vertical handover in IEEE 802.21 MIH networks
نویسندگان
چکیده
1389-1286/$ see front matter 2010 Elsevier B.V doi:10.1016/j.comnet.2010.08.005 q A preliminary version of this paper was prese Symposium on Communication and Information Tec September 2009. ⇑ Corresponding author. Tel.: +82 2 3290 4825; fa E-mail address: [email protected] (S. Pack). Seamless vertical handover is a key requirement in heterogeneous wireless networks where different networks are integrated. In this paper, we introduce an enhanced information server (EIS) to accelerate vertical handover procedures in IEEE 802.21 media independent handover (MIH) networks. Based on the EIS, we propose an improved vertical handover procedure in which wireless channel conditions are estimated by exploiting spatial and temporal locality at the EIS, and therefore time consuming channel scanning procedures can be skipped. Simulation results demonstrate that the proposed scheme can reduce the vertical handover latency under diverse environments. 2010 Elsevier B.V. All rights reserved.
منابع مشابه
Development of Vertical Handover (VHO) Protocol Based on MIH (IEEE 802.21 standard) In UMTS-WIMAX Heterogeneous Network
The wireless industry has rapidly moving from the simple voice and text messaging to next generation of services, devices and applications. Voice, data and multimedia at high reliable speeds have become today’s norm and the user’s expectations on these services are higher than ever before. So, with increasing demand and popularity of the wireless communication, various mechanisms has been propo...
متن کاملA survey on applications of IEEE 802.21 Media Independent Handover framework in next generation wireless networks
Integration of various wireless access technologies is one of the major concerns in recent wireless systems in which multi-technology mobile devices are provided to users to roam between different access networks. Being an essential part in heterogeneous wireless systems, vertical handover is more complex than conventional horizontal handover. As IEEE 802.21 Media Independent Handover (MIH) is ...
متن کاملAn Optimized Vertical Inter-map Handover Scheme for Hmipv6 in Heterogeneous Wireless Networks
An optimized fast vertical inter-mobility anchor point (MAP) handover scheme for Hierarchical Mobile IPv6 (HMIPv6) is proposed for heterogeneous wireless access networks. Two existing non-optimized vertical handover schemes – the simple vertical inter-MAP handover for HMIPv6 (SVH6) and fast vertical inter-MAP handover for HMIPv6 (FVH6) – assisted by existing hierarchical handover and fast hando...
متن کاملSimulation of Performance Execution Procedure to Improve Seamless Vertical Handover in Heterogeneous Networks
One challenge of wireless networks integration is the ubiquitous wireless access abilities which provide the seamless handover for any moving communication device between different types of technologies (3GPP and non-3GPP) such as Global System for Mobile Communication (GSM), Wireless Fidelity (Wi-Fi), Worldwide Interoperability for Microwave Access (WiMAX), Universal Mobile Telecommunications ...
متن کاملIEEE 802.21 Buffer Predicting Seamless Handoff (BPSH) Scheme for WAVE-WiMAX Heterogenous Handoff
Since Wireless Access in Vehicular Environment (WAVE) is a draft amendment to the IEEE 802.11 standard, the integration of WAVE (IEEE 802.11p) and Wireless Metropolitan Area Network (IEEE 802.16) becomes a concerned issue to mobile network users. During the roaming between the two heterogeneous wireless networks, the quality of multimedia services for users depends heavily on seamless handover,...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Computer Networks
دوره 55 شماره
صفحات -
تاریخ انتشار 2011