Výsledky vyhledávání - "Rasmus Hjorth Nielsen"

End-to-End Reliability and Optimization of Intra and Inter-Domain IMS-based Communication Networks

Autor: Rasmus Hjorth Nielsen, Chayapol Kamyod, Nattapol Aunsri, Ramjee Prasad, Neeli R. Prasad

Publikováno v: Journal of Cyber Security and Mobility. 5:233-256

End-to-end system reliability and availability of different IMS-based network communication scenarios have been simulated and analyzed by using the combination of effective stochastic processes and models. Besides, both system reliability and availab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dfe68ed351227c2f7627ef6963ab0bf
https://doi.org/10.13052/jcsm2245-1439.533

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The accuracy of weather radar in heavy rain: a comparative study for Denmark, the Netherlands, Finland and Sweden

Autor: Jesper Ellerbæk Nielsen, Denica Bozhinova, Tero Niemi, Seppo Pulkkinen, Søren Liedtke Thorndahl, Teemu Kokkonen, Jonas Olsson, Peter Berg, Marc Schleiss, Rasmus Hjorth Nielsen

Publikováno v: Hydrology and Earth System Sciences, 24(6)
Schleiss, M, Olsson, J, Bjerg, P, Niemi, T, Kokkonen, T, Thorndahl, S L, Nielsen, R, Nielsen, J E, Bozhinova, D & Pulkkinen, S 2020, ' The accuracy of weather radar in heavy rain : a comparative study for Denmark, the Netherlands, Finland and Sweden ', Hydrology and Earth System Sciences, vol. 24, no. 6, pp. 3157–3188 . https://doi.org/10.5194/hess-24-3157-2020
Hydrology and Earth System Sciences, Vol 24, Pp 3157-3188 (2020)

Weather radar has become an invaluable tool for monitoring rainfall and studying its link to hydrological response. However, when it comes to accurately measuring small-scale rainfall extremes responsible for urban flooding, many challenges remain. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1937fe7acfb36258e5b09169aa72c300
https://doi.org/10.5194/hess-2019-427

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Sensitivity Analysis of an Integrated Urban Flood Model

Autor: Søren Liedtke Thorndahl, Rasmus Hjorth Nielsen

Publikováno v: New Trends in Urban Drainage Modelling ISBN: 9783319998664

In this paper, the model parameter sensitivity of an integrated urban flood model, including groundwater system, overland flow, sewer network, and river network, is investigated. The sensitivity analysis quantifies how influential the individual and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::398fc0fdb4c8adbcd78ba009e3eba789
https://doi.org/10.1007/978-3-319-99867-1_125

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GSHMAC:Green and Secure Hybrid Medium Access Control for Wireless Sensor Network

Autor: Pranav M. Pawar, Ramjee Prasad, Neeli R. Prasad, Rasmus Hjorth Nielsen

Publikováno v: Pawar, P M, Nielsen, R H, Prasad, N R & Prasad, R 2018, ' GSHMAC : Green and Secure Hybrid Medium Access Control for Wireless Sensor Network ', Wireless Personal Communications, vol. 100, no. 2, pp. 267-281 . https://doi.org/10.1007/s11277-017-5065-7

The cost efficiency of wireless platforms and their easy deployment enable the applicability of it in widespread application domains. Wireless sensor networks (WSNs) are not excluded from it. Their application domains vary from industrial monitoring

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39850b01493b9cae7365e83098a57912
https://pure.au.dk/portal/da/publications/gshmac(cca1185e-6b62-4bd9-a371-b180cc484209).html

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Periodicity effects of axial waves in elastic compound rods

Autor: Rasmus Hjorth Nielsen, Sergey Sorokin

Publikováno v: Nielsen, R B & Sorokin, S V 2015, ' Periodicity effects of axial waves in elastic compound rods ', Journal of Sound and Vibration, vol. 353, pp. 135-149 . https://doi.org/10.1016/j.jsv.2015.05.013

Floquet analysis is applied to the Bernoulli–Euler model for axial waves in a periodic rod. Explicit asymptotic formulae for the stop band borders are given and the topology of the stop band pattern is explained. Eigenfrequencies of the symmetric u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd8ce3cd388b524688b8ec0aae6959c7
https://doi.org/10.1016/j.jsv.2015.05.013

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Cost Benefit Analysis of Utilising Mobile Nodes in Wireless Sensor Networks

Autor: Rasmus Hjorth Nielsen, Neeli R. Prasad, Prateek Mathur, Ramjee Prasad

Publikováno v: Mathur, P, Nielsen, R H, Prasad, N R & Prasad, R 2015, ' Cost Benefit Analysis of Utilising Mobile Nodes in Wireless Sensor Networks ', Wireless Personal Communications, vol. 83, no. 3, pp. 2333-2346 . https://doi.org/10.1007/s11277-015-2529-5

Mobile nodes have been found useful for improving performanceof network parameters such as coverage, data latency and load balancing inwireless sensor networks (WSNs). In spite of the benets which mobile nodescould oer when used in WSNs, they have be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88664558007bd9e1c89962aeb9a0bbb6
https://doi.org/10.1007/s11277-015-2529-5

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Mobility Impact on Cluster Based MAC Layer Protocols in Wireless Sensor Networks

Autor: Ramjee Prasad, Neeli R. Prasad, Rasmus Hjorth Nielsen, Pranav M. Pawar

Publikováno v: Pawar, P M, Nielsen, R H, Prasad, N R & Prasad, R 2014, ' Mobility impact on cluster based MAC layer protocols in wireless sensor networks ', Wireless Personal Communications, vol. 74, no. 4, pp. 1213-1229 . https://doi.org/10.1007/s11277-013-1573-2

Wireless sensor networks (WSNs) enable a wide variety of applications resulting in still increasing requirements for the protocols supporting the operations. The medium access control (MAC) layer protocols are essential for improving the performance

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9661879bc1f991427830ca7e59861967
https://doi.org/10.1007/s11277-013-1573-2

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A Joint Allocation, Assignment and Admission Control (AAA) Framework for Next Generation Networks

Autor: Neeli R. Prasad, Rasmus Hjorth Nielsen, Ramjee Prasad, Andrei Lucian Stefan, M. V. Ramkumar

Publikováno v: Ramkumar, M V, Nielsen, R H, Stefan, A L, Prasad, N R & Prasad, R 2013, ' A joint allocation, assignment and admission control (AAA) framework for next generation networks ', Wireless Personal Communications, vol. 73, no. 3, pp. 1245-1267 . https://doi.org/10.1007/s11277-013-1276-8

In this paper, we propose a framework for performing allocation, assignment and admission control (AAA) in next generation cellular networks. A novel heuristic method for resource allocation is proposed. The allocation is done in a semi-distributed m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4ac436cbeb2aaae73770f0fcfe1d4f0
https://doi.org/10.1007/s11277-013-1276-8

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Data Collection using Miniature Aerial Vehicles in Wireless Sensor Networks

Autor: Neeli R. Prasad, Prateek Mathur, Ramjee Prasad, Rasmus Hjorth Nielsen

Publikováno v: Mathur, P, Nielsen, R H, Prasad, N R & Prasad, R 2016, ' Data Collection using Miniature Aerial Vehicles in Wireless Sensor Networks ', IET Wireless Sensor Systems, vol. 6, no. 1, pp. 17-25 . https://doi.org/10.1049/iet-wss.2014.0120

Energy constraints of sensor nodes in wireless sensor networks (WSNs) is a major challenge and minimising the overall data transmitted across a network using data aggregation, distributed source coding, and compressive sensing have been proposed as m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d24259a59bd61b6f43edafeea06e7b58
https://vbn.aau.dk/ws/files/223286778/WSS_2014_0120.pdf

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