An Optimal Switching-off eNB Selection Algorithm in LTE Hyper-dense Networks

IF 0.4 Q4 TELECOMMUNICATIONS

International Journal of Interdisciplinary Telecommunications and Networking Pub Date : 2015-10-01 DOI:10.4018/IJITN.2015100105

Ding Fei, T. En, Zhiwen Pan, Xiaohu You, Song Aigu

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引用次数: 1

Abstract

Although the application of the exhaustive search ES algorithm in the energy conservation strategy can realize the simultaneous switching off of multiple eNBs in the existing eNB-based Evolved Node B networks, it fails to satisfy the practical requirement of network deployment with the heavy computation burden. On account of this, this paper proposes an optimal switching-off eNB selection OSS algorithm in homogeneous networks. By selecting a certain cell within the coverage of multiple eNBs, the OSS algorithm can make an evaluation of the increment of network load caused by the switching off of various eNBs in the coverage area. Then it can sort one by one all of the eNBs that are to be switched off under the condition that the QoS Quality of service requirement of all of the users has been met. Afterwards, the OSS algorithm will switch the users according to the principle of least network load increment and eventually find an eNB that shows the optimal energy saving effect in sleep mode. The simulation results reveal that the OSS algorithm can satisfy the requirement of efficient energy conservation in wireless networks. Additionally, with low computational complexity, it also will facilitate network deployment.

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LTE超密集网络中最优关闭eNB选择算法

虽然在节能策略中应用穷举搜索ES算法可以实现现有基于enb的进化节点B网络中多个enb的同时关闭，但由于计算量大，无法满足网络部署的实际需求。基于此，本文提出了一种同构网络中最优关闭eNB选择OSS算法。OSS算法通过选择多个enb覆盖范围内的某一个小区，对覆盖区域内各enb关闭所造成的网络负荷增量进行评估。然后，在满足所有用户的QoS服务质量要求的情况下，对所有要关闭的enb逐一排序。之后，OSS算法会根据网络负载增量最小的原则进行用户切换，最终找到一个在休眠模式下节能效果最优的eNB。仿真结果表明，OSS算法能够满足无线网络中高效节能的要求。此外，由于计算复杂度低，它也将有利于网络部署。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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International Journal of Interdisciplinary Telecommunications and Networking TELECOMMUNICATIONS-

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期刊介绍： The International Journal of Interdisciplinary Telecommunications and Networking (IJITN) examines timely and important telecommunications and networking issues, problems, and solutions from a multidimensional, interdisciplinary perspective for researchers and practitioners. IJITN emphasizes the cross-disciplinary viewpoints of electrical engineering, computer science, information technology, operations research, business administration, economics, sociology, and law. The journal publishes theoretical and empirical research findings, case studies, and surveys, as well as the opinions of leaders and experts in the field. The journal''s coverage of telecommunications and networking is broad, ranging from cutting edge research to practical implementations. Published articles must be from an interdisciplinary, rather than a narrow, discipline-specific viewpoint. The context may be industry-wide, organizational, individual user, or societal. Topics Covered: -Emerging telecommunications and networking technologies -Global telecommunications industry business modeling and analysis -Network management and security -New telecommunications applications, products, and services -Social and societal aspects of telecommunications and networking -Standards and standardization issues for telecommunications and networking -Strategic telecommunications management -Telecommunications and networking cultural issues and education -Telecommunications and networking hardware and software design -Telecommunications investments and new ventures -Telecommunications network modeling and design -Telecommunications regulation and policy issues -Telecommunications systems economics