NetCurator: Content Curation Made Passively

  • Ben Houidi Z.
  • Finamore A.
  • Mellia M.
  • Scavo G.
  • Teixeira R.
  • Traverso S.

The Internet today serves as a large content distribution platform. It carries a diversity of content types from traditional news, TV series, and movies to specialized blogs and family pictures shared over social networks. The recognition that the amount of information available online today overwhelms most users is giving rise ...

Experimental characterization of novel microdiffuser elements

  • Ehrlich L.
  • Jeffers N.
  • Punch J.
  • Stafford J.

Micropumps can play a significant role in thermal management applications, as a component of microfluidic cooling systems. For next-generation high density optical communication systems, in particular, heat flux levels are sufficiently high to require a microfluidic circuit for cooling. Valveless piezoelectrically-actuated micropumps are a particularly promising technology to be deployed ...

Benchmarking of a novel contactless characterisation method for micro thermoelectric modules

  • Hickey S.
  • Jeffers N.
  • Punch J.

Significant challenges exist in the thermal control of Photonics Integrated Circuits (PICs) for use in optical communications. Increasing component density coupled with greater functionality is leading to higher device-level heat fluxes, stretching the capabilities of conventional cooling methods using thermoelectric modules (TEMs). A tailored thermal control solution incorporating micro thermoelectric ...

Ethernet VPN for Next-Generation Services

  • Hankins G.
  • Rabadan J.

Ethernet VPN (EVPN) introduces a new model for Ethernet services delivery. With EVPN, service providers can meet evolving demands for higher speeds, sophisticated QoS and guaranteed SLAs. EVPN can support the requirements driven by new applications in a way that existing technologies can’t.

Calculating & Composing Elementary Risks: Novel Decision Support System for Cyber Defence

  • Dubus S.
  • Kanoun W.
  • Papillon S.

Since we started to rely more than ever on Information and Communications Technologies (ICT) in every aspect of modern life, we witness an accelerating growth in volume and complexity of drastic cyber attacks. In this cyber realm, where new vulnerabilities are daily discovered, organizations strive to manage risks dynamically & ...

Passive content curation based on HTTP logs

  • Ben Houidi Z.
  • Finamore A.
  • Mellia M.
  • Scavo G.
  • Teixeira R.
  • Traverso S.

Content curation refers to assisting users to identify relevant and interesting content in the overwhelming amount of online content available today. Existing content curation services rely either on experts or on the wisdom of the crowds to promote content. This paper designs HotNet, a passive, crowdsource-based content curation system. HotNet ...

5GNOW: Intermediate Transceiver and Frame Structure Concepts and Results

  • Chen Y.
  • Dryjanski M.
  • Gaspar I.
  • Kasparick M.
  • Ktenas D.
  • Michailow N.
  • Piertrcyk S.
  • Schaich F.
  • Wild T.
  • Wunder G.

This paper provides intermediate transceiver and frame structure concepts and corresponding results for the European FP7 research project 5GNOW. The Unified Frame Structure concept is presented which supports an integrated 5G air interface, capable of dealing both with broadband data services and small packet services within the same band. Waveforms ...

High fidelity phase locked PIV measurements analysing the flow fields surrounding an oscillating piezoelectric fan

  • Donnelly B.
  • Jeffers N.
  • Nolan K.
  • Stafford J.

Piezoelectric fans have been studied extensively and are seen as a promising technology for thermal management due to their ability to provide quiet, reliable cooling with low power consumption. The fluid mechanics of an unconfined piezoelectric fan are complex which is why the majority of the literature to date confines ...

Towards the METIS 5G concept

  • Bulakci Ömer
  • Fertl Peter
  • Gozalvez-Serrano David
  • Höglund Andreas
  • Li Zexian
  • Mange G.
  • Pawlak Krystian
  • Popovski Petar
  • Tullberg Hugo

METIS is developing a 5G system concept that meets the requirements of the beyond-2020 connected information society and supports new usage scenarios. To meet the objectives METIS uses Horizontal Topics (HT) that addresses a key new challenge, identifies necessary new functionalities and proposes HT-specific concepts. This paper presents an initial ...

CHARACTERIZATION OF VALVELESS PIEZOELECTRICALLY- ACTUATED MICROPUMPS WITH NOVEL DIFFUSER ELEMENTS

  • Ehrlich L.
  • Jeffers N.
  • Punch J.
  • Stafford J.

Micropumps can play a significant role in thermal management applications, as a component of microfluidic cooling systems. For next-generation high density Photonics Integrated Circuits (PICs), in particular, heat flux levels are sufficiently high to require a microfluidic circuit for cooling. Valveless piezoelectrically- actuated micropumps are a particularly promising technology to ...

THE DESIGN & CHARACTERIZATION OF A MINIATURE SHAPE MEMORY ALLOY VALVE FOR PASSIVE THERMAL MANAGEMENT

  • Jeffers N.
  • Punch J.
  • Stafford J.
  • Waddell A.

Photonics Integrated Circuits (PICs) are being deployed by the telecommunications industry as transceivers for fibre optic networks. The core component of a typical PIC is the laser-array and the power density of these devices (102 W/cm2 ) now demands novel thermal management architectures including developments such as near-source liquid cooling. ...

HEAT TRANSFER AND FLUID MECHANICS FROM A PIEZOELECTRIC FAN OPERATING IN ITS SECOND RESONANT FREQUENCY MODE

  • Donnelly B.
  • Jeffers N.
  • Stafford J.

Piezoelectric fans are receiving increased interest for thermal management applications because of their reliability, minimal power consumption, and noise-free operation. These features are of particular interest to companies who have strict reliability constraints and have reached the thermal limit of conventionally used natural convection heat sinks. For a classical piezoelectric ...

Geometric structure of segmented flow networks

  • Jeffers N.
  • Stafford J.

Segmented flows consist of two immiscible fluids which travel along a channel in a segmented arrangement due to an imposed pressure difference. In this paper, the geometric structure of segmented flow networks is examined and fundamental design rules are established for two-phase flow without phase change. These rules provide a ...

BENCHMARK NUMERICAL SIMULATIONS OF SOLAR THERMOELECTRIC GENERATORS

  • Enright R.
  • Frizzell R.
  • Lei S.

In this paper, to simplify the design and optimization of thermoelectric generators (TEGs), a three-dimensional numerical model is implemented in a computational finite element simulation environment (COMSOL). The model can take into consideration the Peltier effect, Thomson effect and Seebeck effect inherent to TEGs. In terms of a p-element TEG, ...

Running large scale experimentation on Content-Centric Networking via the Grid’5000 platform

  • Carofiglio G.
  • Gallo M.
  • Muscariello L.

We present a novel tool to set, deploy, run and evaluate large scale experimentation on a novel networking paradigm called content-centric networking.

Filter Optimization for Carrier Frequency and Timing Offsets in Universal Filtered Multi-Carrier System

  • Schaich F.
  • Wang X.
  • Wild T.

Universal Filtered Multi-Carrier (UFMC) is a novel modulation technique which can be seen as a generalization of filtered OFDM and filter bank based multi-carrier (FBMCFMT). Being a candidate waveform technology for 5G wireless systems it combines the simplicity of OFDM with the advantages of FBMC. The FIR-filter, used in UFMC ...

DOCSIS® FOR LTE SMALL CELL BACKHAUL

  • Glapa M.

HFC/DOCSIS access networks are widely used to address the needs of residential and enterprise consumers for High Speed Internet (HSI), video, and voice services. The hot question these days is whether the HFC/DOCSIS networks can support the backhaul needs of LTE small cells? As the characteristics of the cable networks ...

A Choice of Future m2m Access Technologies for Mobile Network Operators

  • Saur S.

It has been predicted that by the early years of the next decade over 20 billion devices will be wirelessly connected in the Internet of Things. Many of these are set to be connected using short-range wireless systems such as Bluetooth LE, WiFi or Zigbee, but, if so, all of ...

Key Countermeasures Against Selective Fading

  • Valtolina R.

As the microwave industry adopts higher modulation schemes, effective countermeasures against selective fading become extremely important. Service providers are already deploying 1024 Quadrature Amplitude Modulation (1024 QAM) systems. And 4096 QAM is on the near horizon. These higher modulation schemes are much more sensitive to selective fading. This article provides ...