ABC-PSO for vertical handover in heterogeneous wireless networks
ABC-PSO for vertical handover in heterogeneous wireless networks
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DOI：
10.1016/j.neucom.2016.08.136
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发表时间：
2017-09-20
期刊：
影响因子：
6
通讯作者：
Zareei, Mandi
中科院分区：
文献类型：
--
作者：
Goudarzi, Shidrokh;Hassan, Wan Haslina;Zareei, Mandi
云计算目前正在作为一种客户端-服务器技术结构迅速崛起，目前正在提供分布式服务应用程序。然而，考虑到各种无线接入技术的可用性，人们希望持续连接到最适合的技术，以匹配价格负担能力和性能目标。现代通信的主要挑战之一是使用移动设备访问无线网络，具有基于用户偏好的高服务质量(Qos)。过去的文献包含几种启发式方法，这些方法使用简化的规则来寻找可用的最佳网络。然而，移动设备的属性需要快速有效的算法，以便近乎实时地选择最佳可用网络。提出了一种基于人工蜂群和粒子群算法两种主要启发式算法的混合智能切换决策算法ABC-PSO，用于在垂直切换过程中选择最佳无线网络。考虑到不同可用的无线网络、应用需求和用户偏好，对ABC-PSO算法进行了优化，以实现使用IEEE 802.21标准供电的小代价函数，以提高服务质量。数值结果表明，与相关工作相比，ABC-PSO算法具有更低的代价和时延、更高的可用带宽和更少的切换次数。(C)2017爱思唯尔B.V.保留所有权利。
Cloud computing is currently emerging quickly as a client-server technology structure and, currently, providing distributed service applications. However, given the availability of a diverse range of wireless access technologies, people expect continuous connection to the most suitable technology that matches price affordability and performance goals. Among the main challenges of modern communication is the accessibility to wireless networks using mobile devices, with a high service quality (QoS) based on preferences of the users. Past literatures contain several heuristic approaches that use simplified rules to look for the best network that is available. Nevertheless, attributes of mobile devices need algorithms that are quick and effective in order to select best available network near real-time. This study proposes a hybrid intelligent handover decision algorithm primarily founded on two main heuristic algorithms: Artificial Bee Colony or ABC as well as Particle Swarm Optimization or PSO named ABC-PSO to select best wireless network during vertical handover process. The ABC-PSO algorithm has been optimized to achieve small cost function that are powered using the IEEE 802.21 standard taking into account different available wireless networks, the application requirements and the user preferences to improve QoS. Numerical results demonstrate that the ABC-PSO algorithm compared to the related work has lower cost and delay, higher available bandwidth and less number of handover. (C) 2017 Elsevier B.V. All rights reserved.