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Sarah Ruepp
Technical University of Denmark
111Publications
10H-index
377Citations
Publications 111
Newest
Sep 1, 2019 in VTC (Vehicular Technology Conference)
#1Krzysztof Mateusz Malarski (DTU: Technical University of Denmark)H-Index: 1
#2Jakob Thrane (DTU: Technical University of Denmark)H-Index: 3
Last.Sarah Ruepp (DTU: Technical University of Denmark)H-Index: 10
view all 7 authors...
Reliable connectivity over large distances is one of the main features characterising Low-Power Wide Area Network (LP-WAN) technologies, with Narrowband Internet of Things (NB-IoT) as the most promising one. The advent of such a family of communication standards has attracted attention of the industry, as excellent coverage of LP-WAN potentially enables new opportunities of automation, for instance remote metering or asset tracking. However, telecommunication standardisation bodies are still lac...
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#1Kamil Macheta (DTU: Technical University of Denmark)
#2Krzysztof Mateusz Malarski (DTU: Technical University of Denmark)H-Index: 1
Last.Sarah Ruepp (DTU: Technical University of Denmark)H-Index: 10
view all 4 authors...
The Internet of Things technology is vastly growing, and more and more applications are being linked to IoT. IoT is moving from a massive deployment and gadget-like applications to also include critical applications for industry, telemedicine or utilities. In this work, we present our plans for a simulation framework that can evaluate and provide end-to-end latency bound connectivity through network slicing.
Source
#1Florian Laurentiu Coman (DTU: Technical University of Denmark)
#2Krzysztof Mateusz Malarski (DTU: Technical University of Denmark)H-Index: 1
Last.Sarah Ruepp (DTU: Technical University of Denmark)H-Index: 10
view all 4 authors...
One of the key enablers of an increased Internet of Things (IoT) roll-out is Low-Power Wide Area Network (LP-WAN) - a family of technologies tailored for resilient and energy-efficient communication of thousands of devices over large distances (even up to 100km). Under the pressure from both the business and the society to provide ubiquitous connectivity as soon as possible, new IoT deployments are conducted with haste and often by inexperienced people. Consequently, the aspect of communication ...
Source
#1Line Pyndt Hansen (DTU: Technical University of Denmark)
#2Sarah Ruepp (DTU: Technical University of Denmark)H-Index: 10
Last.Henrik L. Christiansen (DTU: Technical University of Denmark)H-Index: 10
view all 3 authors...
Cloud-Radio Access Network (C-RAN) is seen as a promising mobile network architecture for both current and future Radio Access Technologies (RATs). However, commercial C-RAN deployments are not yet commonly seen and thus experience from operational networks is limited. This means that standard procedures and best practices for roll out are yet to be established. This work provides a case study, where a small but densely populated part of the network owned by the Danish mobile network operator, T...
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#1Artur Pilimon (DTU: Technical University of Denmark)H-Index: 1
#2Alexandra Zeimpeki (DTU: Technical University of Denmark)H-Index: 1
Last.Sarah Ruepp (DTU: Technical University of Denmark)H-Index: 10
view all 4 authors...
In this paper we analyze the impact of WDM-enhanced optical circuit switching on the power consumption of multiple Data Center Network (DCN) architectures. Traditional three-tier Tree, Fat-Tree and a ring-based structure are evaluated and optical switching is selectively introduced on different layers of the network topology. The analysis is based on network-level simulations using a transport network planning tool applied to small-scale setups of the considered DCNs. The obtained results show t...
1 CitationsSource
#2Line Pyndt Hansen (DTU: Technical University of Denmark)
Last.Sarah RueppH-Index: 10
view all 3 authors...
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#1Valerija Kamchevska (DTU: Technical University of Denmark)H-Index: 4
#2Ashenafi Kiros Medhin (DTU: Technical University of Denmark)H-Index: 4
Last.Michael Galili (DTU: Technical University of Denmark)H-Index: 23
view all 12 authors...
This paper reports on a novel ring-based data center architecture composed of multidimensional switching nodes. The nodes are interconnected with multicore fibers and can provide switching in three different physical, hierarchically overlaid dimensions (space, wavelength, and time). The proposed architecture allows for scaling in different dimensions while at the same time providing support for connections with different granularity. The ring topology reduces the number of different physical lin...
14 CitationsSource
Mar 1, 2016 in OFC (Optical Fiber Communication Conference)
#1Valerija Kamchevska (DTU: Technical University of Denmark)H-Index: 4
#2Valentina Cristofori (DTU: Technical University of Denmark)H-Index: 4
Last.Michael Galili (DTU: Technical University of Denmark)H-Index: 23
view all 13 authors...
We propose and demonstrate an algorithm that allows for automatic synchronization of SDN-controlled all-optical TDM switching nodes connected in a ring network. We experimentally show successful WDM-SDM transmission of data bursts between all ring nodes.
1 CitationsSource
#2Lars DittmannH-Index: 15
Last.Ying YanH-Index: 1
view all 4 authors...
#1Andrijana Popovska Avramova (DTU: Technical University of Denmark)H-Index: 4
#2Sarah Ruepp (DTU: Technical University of Denmark)H-Index: 10
Last.Lars Dittmann (DTU: Technical University of Denmark)H-Index: 15
view all 3 authors...
The vision of the Fifth generation (5G) of mobile communication is that it will be an umbrella for communications for various vertical industries that have different requirements for delay, data rates, reliability, availability, and security. 5G will not be a single technology — rather a convergence of not just new revolutionary technologies, but of the already existing, and evolving technologies as well. This paper analyses the impact of convergence and its importance to the evolution of critic...
4 CitationsSource
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