A Cloud Native Approach to 5G Network Slicing

  • Francini A.
  • Miller R.
  • Sharma S.

5G networks will have to support a set of very diverse and often extreme requirements. Network slicing offers an effective way to unlock the full potential of 5G networks and meet those requirements on a shared network infrastructure. This paper presents a cloud native approach to network slicing. The cloud ...

Chirp Management in Silicon-Graphene Electro Absorption Modulators

  • Asselbergs I.
  • Contestabile G.
  • D'Errico A.
  • Galli P.
  • Huyghebaerts C.
  • Midrio M.
  • Pantouvaki M.
  • Romagnoli M.
  • Sorianello V.
  • Van Campenhout J.

We study the frequency chirp properties of Graphene-on- Silicon electro-absorption modulators (EAMs). By experimentally measuring the chirp of a 100 um long single layer Graphene EAM, we show that the optoelectronic properties of Graphene induce a large positive linear chirp (up to 1.8 GHz) on the optical signal generated by ...

5G US Spectrum Development , Products and mmWave Testing Including Measurements of Fixed Satellite Service (FSS) Earth Station Spillover Emissions.

  • Majkowski W.

The 5G shared spectrum for mobile wireless above 24 GHz was authorized by the FCC. This paper traces the development of the shared spectrum authorization, testing issues, 5G goals and interference measurements of Fixed Satellite Service (FSS) Earth Station Spillover Emissions.

Wireless MIMO Base Station Near and Far Field Measurement Challenges

  • Moongilan D.

Wireless communication systems use Multiple Input Multiple Output-antenna techniques to increase coverage, data throughput and spectral efficiency. Often beam forming techniques are used to provide additional antenna gain relative to Single Input Single Output systems. Regulatory compliance radiated emissions tests for wireless devices are performed using a single measurement antenna ...

Modeling and simulation of RSOA with a dual-electrode configuration

  • De Valicourt G.
  • Liu Z.
  • Violas M.
  • Wang H.
  • Wu Q.

Based on the physical model of a bulk reflective semiconductor optical amplifier (RSOA) used as a modulator in radio over fiber (RoF) links, the distributions of carrier density, signal photon density, and amplified spontaneous emission photon density are demonstrated. One of limits in the use of RSOA is the lower ...

Localised Dynamics of Laminar Pulsatile Flow in a Rectangular Channel

  • Blythman R.
  • Jeffers N.
  • Murray D.
  • Persoons T.

The exploitation of flow pulsation in low-Reynolds number micro/minichannel flows is a potentially useful technique for enhancing cooling of high power photonics and electronics devices. Although the corresponding mechanical and thermal problems are inextricably linked, decoupling of the local instantaneous parameters provides insight into underlying mechanisms. Using two-dimensional, two-component particle ...

Virtualized environments, from connectivity to services

  • Barnaghi P.
  • Bertin E.
  • Hofmann M.

NFV: Security Threats and Best Practices

  • Dutta A.
  • Lal S.
  • Taleb T.

Network function virtualization (NFV) yields numerous benefits, particularly the possibility of a cost-efficient transition of telco hardware functionalities on the software platform to break the vendor lock-in problem. These benefits come at the price of some security flaws. Indeed, with NFV, virtual mobile networks become vulnerable to a number of ...

5G Network Slicing - Part 2: Algorithms and Practice

  • Banchs A.
  • Capone A.
  • Obana K.
  • Samdanis K.
  • Ulema M.
  • Wright S.

Effective Design of Multi-User Reception and Fronthaul Rate Allocation in 5G Cloud RAN

  • Boviz D.
  • Chen C.
  • Yang S.

Cloud Radio Access Network (C-RAN) is becoming more than ever timely in 5G for dense network deployments, but its design has to be adapted to 5G requirements. To ensure high uplink throughput in cell-edge regions affected by inter-cell interference, C-RAN enables multi-user reception techniques among cells. In this paper, we ...

TinySet-An Access Efficient Self Adjusting Bloom Filter Construction

  • Einziger G.
  • Friedman R.

Bloom filters are a very popular and efficient data structure for approximate set membership queries. However, Bloom filters have several key limitations as they require 44% more space than the lower bound, their operations access multiple memory words, and they do not support removals. This paper presents TinySet, an alternative ...

Radio Channel Modeling for UAV Communication Over Cellular Networks

The main goal of this letter is to obtain models for path loss exponents and shadowing for the radio channel between airborne unmanned aerial vehicles (UAVs) and cellular networks. In this pursuit, field measurements were conducted in live LTE networks at the 800 MHz frequency band, using a commercial UAV. ...

Outdoor-to-Indoor Empirical Path loss Models: Analysis for Pico and Femto Cells in Street Canyons

The applicability of COST231, WINNER+, ITU-R, and 3GPP urban microcell outdoor-to-indoor path loss prediction models is empirically tested in 100 m radius urban femtocells. The analysis is based on more than 500 link measurements. Considerations not specified in the models such as the inclusion of antenna gains and the effect ...

Queryable Kafka: An agile data analytic pipeline for mobile wireless networks

Owing to their promise of delivering real-time decisions, today's streaming analytics platforms are increasingly being used in the communications networks, where the impact of the decisions go beyond sentiment and trend analysis to include real-time detection of security attacks and prediction of network state (i.e., is the network transitioning towards ...

Compressive high-speed stereo imaging

  • Pang S.
  • Sun Y.
  • Yuan X.

A compressive high-speed stereo imaging system is reported. The system is capable of reconstructing 3D videos at a frame rate 10 times higher than the sampling rate of the imaging sensors. An asymmetric configuration of stereo imaging system has been implemented by including a high-speed spatial modulator in one of ...

Coordination of SON Functions in Multi-vendor Small Cell Networks

With the increase of network complexity, there is a high need for network management automation. This is achieved thanks to Self-Organizing Network (SON) principles that enable self-configuration, self-optimization and self-healing procedures. However, even though the SON functions are meant to be autonomous themselves, a high level of coordination among them ...

Optimal Resource Configuration of Complex Services in the Cloud

  • Abhinandan Sridhara Rao Prasad
  • Arjona Aroca J.
  • David Koll
  • Hilt V.
  • Omana Iglesias J.
  • Xiaoming Fu

Virtualization helps to deploy the functionality of expensive and rigid hardware appliances on scalable virtual resources running on commodity servers. However, optimal resource provisioning for non-trivial services is still an open problem. While there have been efforts to answer the questions of when to provision additional resources in a running ...

PrivApprox: Privacy-Preserving Stream Analytics

  • Chen R.
  • Christof Fetzer
  • Le D.
  • Martin Beck
  • Pramod Bhatotia
  • Thorsten Strufe

How to preserve users' privacy while supporting high-utility analytics for low-latency stream processing? To answer this question: we describe the design, implementation and evaluation of PRIVAPPROX, a data analytics system for privacy-preserving stream processing. PRIVAPPROX provides three properties: (i) Privacy: zero-knowledge privacy (ezk) guarantees for users, a privacy bound tighter ...

Statistical fingerprint-based intrusion detection system (SF-IDS)

  • Boero L.
  • Cello M.
  • Marchese M.
  • Mariconti E.
  • Naqash T.
  • Zappatore S.

Intrusion detection systems (IDS) are systems aimed at analyzing and detecting security problems. The IDS may be structured into misuse and anomaly detection. The former are often signature/rule IDS that detect malicious software by inspecting the content of packets or files looking for a ``signature{''} labeling malware. They are often ...

Well-posedness of the limiting equation of a noisy consensus model in opinion dynamics

  • Chazelle B.
  • Jiu Q.
  • Li Q.
  • Wang C.

This paper establishes the global well-posedness of the nonlinear Fokker-Planck equation for a noisy version of the Hegselmann-Krause model. The equation captures the mean-field behavior of a classic multi agent system for opinion dyrignics. We prove the global existence, uniqueness, nonnegativity and regularity of the weak solution. We also exhibit ...