M. Plath, Constantin Blanck, Stefan Fischer, M. Allmaras, A. Pirsing, T. Schenk, A. Sohr
{"title":"Water cockpit: dashboards for decision support systems","authors":"M. Plath, Constantin Blanck, Stefan Fischer, M. Allmaras, A. Pirsing, T. Schenk, A. Sohr","doi":"10.4171/207-1/10","DOIUrl":"https://doi.org/10.4171/207-1/10","url":null,"abstract":"","PeriodicalId":427483,"journal":{"name":"Decision Support Systems for Water Supply Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128765945","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}
A. Sohr, Constantin Blanck, Stefan Fischer, M. Plath, M. Allmaras, T. Schenk, A. Pirsing
{"title":"Field test","authors":"A. Sohr, Constantin Blanck, Stefan Fischer, M. Plath, M. Allmaras, T. Schenk, A. Pirsing","doi":"10.4171/207-1/11","DOIUrl":"https://doi.org/10.4171/207-1/11","url":null,"abstract":"","PeriodicalId":427483,"journal":{"name":"Decision Support Systems for Water Supply Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128855304","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}
{"title":"Demand forecast","authors":"Patrick Hausmann","doi":"10.4171/207-1/3","DOIUrl":"https://doi.org/10.4171/207-1/3","url":null,"abstract":"","PeriodicalId":427483,"journal":{"name":"Decision Support Systems for Water Supply Systems","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133765932","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}
G. Steinebach, D. Dreistadt, Patrick Hausmann, Tim Jax
{"title":"Setup of simulation model and calibration","authors":"G. Steinebach, D. Dreistadt, Patrick Hausmann, Tim Jax","doi":"10.4171/207-1/7","DOIUrl":"https://doi.org/10.4171/207-1/7","url":null,"abstract":"","PeriodicalId":427483,"journal":{"name":"Decision Support Systems for Water Supply Systems","volume":"254 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114466655","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}
{"title":"Network aggregation","authors":"Tim Jax","doi":"10.4171/207-1/6","DOIUrl":"https://doi.org/10.4171/207-1/6","url":null,"abstract":"","PeriodicalId":427483,"journal":{"name":"Decision Support Systems for Water Supply Systems","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134052419","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}
B. Geißler, Alexander Martin, A. Morsi, Maximilian Walther, O. Kolb, Jens M. Lang, Lisa Wagner
—Mobile edge computing (MEC) has become a promising technology for real-time communications. Mobile devices can reduce the energy consumption and prolong the lifetime significantly via offloading the computing tasks to the MEC server. Moreover, physical layer security techniques can ensure the secure transmission of the offloading data. This paper investigates a MEC system that consists of an access point, multiple mobile devices and a malicious eavesdropper. The tasks allocation, local central processor’s frequency, offloading power, and offloading timeslots are optimized jointly to minimize the total energy consumption of the system. A difference of convex algorithm based scheme is proposed to solve the joint optimization problem. Moreover, a Karush Kuhn Tucker conditions based algorithm is also proposed to reduce the computational complexity. Numerical results show that the proposed algorithms are very effective. Moreover, the power consumption for secure offloading decreases with the increase of the distance between the mobile devices and the eavesdropper.
{"title":"Optimization","authors":"B. Geißler, Alexander Martin, A. Morsi, Maximilian Walther, O. Kolb, Jens M. Lang, Lisa Wagner","doi":"10.4171/207-1/5","DOIUrl":"https://doi.org/10.4171/207-1/5","url":null,"abstract":"—Mobile edge computing (MEC) has become a promising technology for real-time communications. Mobile devices can reduce the energy consumption and prolong the lifetime significantly via offloading the computing tasks to the MEC server. Moreover, physical layer security techniques can ensure the secure transmission of the offloading data. This paper investigates a MEC system that consists of an access point, multiple mobile devices and a malicious eavesdropper. The tasks allocation, local central processor’s frequency, offloading power, and offloading timeslots are optimized jointly to minimize the total energy consumption of the system. A difference of convex algorithm based scheme is proposed to solve the joint optimization problem. Moreover, a Karush Kuhn Tucker conditions based algorithm is also proposed to reduce the computational complexity. Numerical results show that the proposed algorithms are very effective. Moreover, the power consumption for secure offloading decreases with the increase of the distance between the mobile devices and the eavesdropper.","PeriodicalId":427483,"journal":{"name":"Decision Support Systems for Water Supply Systems","volume":"41 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141201809","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}
{"title":"New ICT architecture","authors":"T. Schenk, M. Allmaras, A. Pirsing, A. Sohr","doi":"10.4171/207-1/9","DOIUrl":"https://doi.org/10.4171/207-1/9","url":null,"abstract":"","PeriodicalId":427483,"journal":{"name":"Decision Support Systems for Water Supply Systems","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131959996","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}
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