Network selection in wireless heterogeneous environment based on available bandwidth estimation

被引：0
作者：
Ahuja K. [1 ]
Singh B. [2 ]
Khanna R. [3 ]
机构：
[1] Department of Electronics and Communication Engineering, DAV Institute of Engineering and Technology, Jalandhar, Punjab
[2] Department of Electronics and Communication Engineering, National Institute of Technology, Kurukshetra, Haryana
[3] Electronics and Communication Engineering Department, Thapar University, Patiala, Punjab
来源：
Recent Advances in Computer Science and Communications | 2021年 / 14卷 / 04期
关键词：
Available bandwidth estimation; Bootstrap approximation method; Estimation time; Network selection algorithm; Quality of service (QoS); Wireless heterogeneous environment;
D O I：
10.2174/2213275912666191018112959
中图分类号：
学科分类号：
摘要：
Background: With the availability of multiple options in wireless network simultaneously, Always Best Connected (ABC) requires dynamic selection of the best network and access technologies. Objective: In this paper, a novel dynamic access network selection algorithm based on the real time is proposed. The Available BandWidth (ABW) of each network is required to be estimated to solve the network selection problem. Methods: Proposed algorithm estimates available bandwidth by taking averages, peaks, low points and bootstrap approximation for network selection. It monitors real-time internet connection and resolves the selection issue in internet connection. The proposed algorithm is capable of adapting to prevailing network conditions in heterogeneous environment of 2G, 3G and WLAN networks without user intervention. It is implemented in temporal and spatial domains to check its robustness. Estimation error, overhead, estimation time with the varying size of traffic and reliability are used as the performance metrics. Results: Through numerical results, it is shown that the proposed algorithm’s ABW estimation based on bootstrap approximation gives improved performance in terms of estimation error (less than 20%), overhead (varies from 0.03% to 83%) and reliability (approx. 99%) with respect to existing techniques. Conclusion: Our proposed methodology of network selection criterion estimates the available bandwidth by taking averages, peaks, and low points and bootstrap approximation method (standard deviation) for the selection of network in the wireless heterogeneous environment. It monitors realtime internet connection and resolves internet connections selection issue. All the real-time usage and test results demonstrate the productivity and adequacy of available bandwidth estimation with bootstrap approximation as a practical solution for consistent correspondence among heterogeneous wireless networks by precise network selection for multimedia services. © 2021 Bentham Science Publishers.
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页码：1030 / 1039
页数：9
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