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Toward Predictive Handover Mechanism in Software-Defined Enterprise Wi-Fi Networks 软件定义企业Wi-Fi网络的预测切换机制研究
2019 IEEE Sustainability through ICT Summit (StICT) Pub Date : 2019-06-01 DOI: 10.1109/STICT.2019.8789369
Sadegh Aghabozorgi, A. Bayati, K. Nguyen, C. Despins, M. Cheriet
{"title":"Toward Predictive Handover Mechanism in Software-Defined Enterprise Wi-Fi Networks","authors":"Sadegh Aghabozorgi, A. Bayati, K. Nguyen, C. Despins, M. Cheriet","doi":"10.1109/STICT.2019.8789369","DOIUrl":"https://doi.org/10.1109/STICT.2019.8789369","url":null,"abstract":"In an enterprise Wi-Fi network, Mobile users may be covered by multiple enterprise access points (APs). To optimize resource allocation, a soft handover is require in which the user's device is seamlessly transferred from one AP to another, and this decision made centrally by a Wi-Fi network controller. Unfortunately, state-of-the-art soft handover mechanisms are often designed to optimize resources from the network provider's point of view and do not take into account user's real-time behaviours, which may affect user's Quality of Experience (QoE). In this paper, a new machine learning (ML)-based method presented to find an optimal handover mechanism. This method allows to predict whether the handover that is going to happen will maintain QoE when users are moving inside a building. Our proposed method improves 34% of user throughput compared to state-of-the-art algorithms.","PeriodicalId":209175,"journal":{"name":"2019 IEEE Sustainability through ICT Summit (StICT)","volume":"2012 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121421166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
PMU Placement for Maximal Power System Observability Using Topology Transformation 基于拓扑变换的电力系统最大可观测性PMU布置
2019 IEEE Sustainability through ICT Summit (StICT) Pub Date : 2019-06-01 DOI: 10.1109/STICT.2019.8789378
Haneen Bawayan, Mohamed Younis
{"title":"PMU Placement for Maximal Power System Observability Using Topology Transformation","authors":"Haneen Bawayan, Mohamed Younis","doi":"10.1109/STICT.2019.8789378","DOIUrl":"https://doi.org/10.1109/STICT.2019.8789378","url":null,"abstract":"A power system is considered to be fully observed when all bus voltages and currents are known. Phasor Measurement Unit (PMUs) opt to achieve system's observability when placed at selected buses throughout the system. Optimal PMU placement is concerned with determining the least count and position of PMUs needed to fully observe the system. This paper considers such optimization problem in the presence of zero injection buses (ZIBs). A novel solution is proposed where the system observability is modeled as a graph. A special transformation is presented to reduce the complexity of the optimization while factoring in the contribution of a ZIB to the system's observability. The optimization problem is then formulated as an integer linear program. Validation is conducted using different IEEE bus systems and using randomly generated power grid topologies. The results confirm the performance advantage of the proposed approach over competing scheme in the literature.","PeriodicalId":209175,"journal":{"name":"2019 IEEE Sustainability through ICT Summit (StICT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125437734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
PReS: Power Peak Reduction by Real-time Scheduling for Urban Railway Transit PReS:基于实时调度的城市轨道交通功率降峰
2019 IEEE Sustainability through ICT Summit (StICT) Pub Date : 2019-02-21 DOI: 10.1109/STICT.2019.8789376
Zekun Yang, Yu Chen, N. Zhou, Shiqiong Tong
{"title":"PReS: Power Peak Reduction by Real-time Scheduling for Urban Railway Transit","authors":"Zekun Yang, Yu Chen, N. Zhou, Shiqiong Tong","doi":"10.1109/STICT.2019.8789376","DOIUrl":"https://doi.org/10.1109/STICT.2019.8789376","url":null,"abstract":"Railway transportation is one of the most popular options for Urban Massive Transportation Systems (UMTS) because of many attractive features. A robust electric power supply is essential to enable normal operation. However, the power peaks appearing at the start time of the vehicles put heavy pressure on the power grid. Reduction of the power peak is a key issue in improving urban railway transit's power efficiency. Researchers have tried to address this problem by making a delicate timetable, but this method often failed to serve the purpose because of the punctuality problem. In this work, taking advantage of real-time estimation of the single train's power consumption, an online Power peak Reduction by real-time Scheduling (PReS) solution for trains' departure is proposed. Particularly, a Binary Integer Programming (BIP) model is introduced that is able to avoid power consumption peak caused by multiple trains departure simultaneously. The simulation result verified that the proposed real-time scheduling approach can effectively reduce the occurrences of power peak without bringing in additional train travel delay.","PeriodicalId":209175,"journal":{"name":"2019 IEEE Sustainability through ICT Summit (StICT)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124607939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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