An Overview of Vertical Handoff Decision Policies for Next Generation Wireless Networks

被引：0
|
作者：
Rizvi, Safdar [1 ]
Aziz, Asif [1 ]
Saad, N. M. [1 ]
机构：
[1] Univ Teknol PETRONAS, Dept Elect & Elect Engn, Tronoh 31750, Perak, Malaysia
来源：
PROCEEDINGS OF THE 2010 IEEE ASIA PACIFIC CONFERENCE ON CIRCUIT AND SYSTEM (APCCAS) | 2010年
关键词：
4G networks; heterogeneous network; vertical hanoff;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Future wireless networks will allow users to seamlessly roam among heterogeneous wireless networks. To provide services anywhere and anytime in such a diverse networking environment, vertical handoff is still a crucial target. In this paper we propose non-real time services vertical handoff decision algorithm NRS-VDA. NRS-VDA is an intelligent vertical handoff decision algorithm that can manage efficient vertical handoff initiation and decision procedure between UMTS and WLAN networks. NRS-VDA ensures the avoidance of unnecessary and detrimental vertical handoffs and provides high throughput and low blocking probability. NRS-VDA is defined for upward and downward vertical handoff scenarios. The proposed algorithm takes several metrics into account such as velocity of mobile terminal, bandwidth, and Received Signal Strength (RSS) of the network. It is suggested that NRS-VDA will improve the overall efficiency of vertical handoff in Next Generation Networks (NGN).
引用
收藏
页码：88 / 91
页数：4
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