On non-parametric models for detecting outages in the mobile network

  • Camino R.
  • Falk E.
  • Gurbani V.
  • State R.

The wireless/cellular communications network is composed of a complex set of interconnected computation units that form the mobile core network. The mobile core network is engineered to be fault tolerant and redundant; small errors that manifest themselves in the network are usually resolved automatically. However, some errors remain latent, and ...

SDN-based transparent flow scheduling for heterogeneous wireless LANs

  • Bosch P.
  • De Schepper K.
  • De Schepper T.
  • Famaey J.
  • Hawinkel C.
  • Latre S.
  • Zeljkovic E.

The current local area networks (LANs) are occupied by a large variety of heterogeneous consumer devices, equipped with the ability to connect to the Internet using a variety of different network technologies (e.g., Ethernet, 2.4 and 5GHz Wi-Fi). Nevertheless, devices generally opt to statically connect using a single technology, based ...

Online Mobile User Speed Estimation: Performance and Tradeoff Considerations

  • Capdevielle V.
  • Chen C.
  • Eitan Altman
  • Herculea D.
  • Majed Haddad

This paper presents an online algorithm for mobile user speed estimation in 3GPP Long Term Evolution (LTE)/LTE-Advanced (LTE-A) networks. The proposed method leverages on uplink (UL) sounding reference signal (SRS) power measurements performed at the base station, also known as eNodeB (eNB), and remains effective even under large sampling period. ...

On wireless networks for the era of mixed reality

  • Bouwen J.
  • Doppler K.
  • Torkildson E.

Mixed reality services promise to enhance our lives by providing us with real-time immersive media and contextual information delivered through lightweight wireless head mounted displays. We introduce a perception based mixed reality video streaming platform that reduces the data rate requirements for such services from several Gbps to 100 Mbps ...

5G E-band backhaul system evaluations: Focus on moving objects and outdoor to indoor transmission

  • Aronkyto K.
  • Du Z.
  • Kapanen J.
  • Ohlmer E.
  • Putkonen J.
  • Swist D.

It is expected that small cells will carry more than half of the total traffic in 5G, resulting in a huge increase of wireless backhaul traffic. To successfully design and deploy the mmW backhaul system, it is essential to evaluate the performance in different scenarios, also links installed in low ...

5G NORMA: System architecture for programmable & multi-tenant 5G mobile networks

  • Breitbach M.
  • Doll M.
  • Droste H.
  • Mannweiler C.
  • Pavon I.
  • Sanchez J.
  • Schneider P.
  • Ucar I.

This paper describes the status of the 5G NORMA architecture after the second design iteration. It integrates the control and data layer functions developed in the project into a harmonized mobile network architecture, applying the paradigms of adaptive (de-) composition and allocation of network functions (NFs), programmable network control, and ...

Multi-service SDN controlled reconfigurable long-reach optical access network

  • Blumm C.
  • Bonk R.
  • Brandonisio N.
  • Carey D.
  • Hill A.
  • Mcgettrick S.
  • Naughton A.
  • Ossieur P.
  • Parsons N.
  • Payne D.
  • Pfeiffer T.
  • Porto S.
  • Ruffini M.
  • Slyne F.
  • Talli G.
  • Townsend P.

The convergence of multiple service demands and different user types on a single physical layer can be enabled by dynamically reconfigurable time-division multiplexing (TDM) dense wavelength division multiplexing (DWDM) long-reach passive optical networks (PONs). In this paper we demonstrate two TDM-DWDM PON designs, the first one for densely populated urban ...

Vehicle clustering for improving enhanced LTE-V2X network performance

  • Bennis M.
  • Horneman K.
  • Latva-Aho M.
  • Luoto P.
  • Pirinen P.
  • Samarakoon S.

Vehicle-to-Everything (V2X) communication holds the promise for improving road safety and reducing road accidents by enabling reliable and low latency services for vehicles. Vehicles are among the fastest growing type of connected devices. Therefore, there is a need for V2X communication, i.e., passing of information from Vehicle-to-Vehicle (V2V) or Vehicle-to-Infrastructure ...

Coordinated multi-cell resource allocation for 5G ultra-reliable low latency communications

  • Hytonen V.
  • Li Z.
  • Nurmela V.
  • Soret B.

The coming 5G cellular communication system is envisioned to support a wide range of new use cases on top of regular cellular mobile broadband services. One of the 5G usage scenarios is ultra-reliable low-latency communications (URLLC). It has been predicted that URLLC will play an essential role in enabling wireless ...

The 5D approach to control and manage smart spaces

  • Flinck H.
  • Hatonen S.
  • Mineraud J.
  • Rao A.
  • Tarkoma S.

Our homes, offices, and other spaces are expected to evolve into smart spaces served by devices having varying requirements and capabilities. To efficiently control and manage these devices, their controllers needs to be designed using the correct abstraction for the devices. In this paper, we present an abstraction for the ...

Hybrid paging and location tracking scheme for inactive 5G UEs

  • Hailu S.
  • Saily M.

User Equipment (UE) paging and location tracking are influenced by the underling state handling model. There are recent proposals to introduce a new RRC state called RRC Inactive as a main state for inactive UEs in 5th Generation (5G) cellular systems. One of the characteristics of the new state is ...

Configurable 5G air interface for high speed scenario

  • Hulkkonen J.
  • Karjalainen J.
  • Kinnunen P.
  • Latva-Aho M.
  • Luoto P.
  • Pajukoski K.
  • Rikkinen K.

In fifth generation (5G) networks one target is to provide very high capacity wireless access for the places where a lot of people consume a lot of data. Wireless communication is needed to provide access to high moving vehicles, however, extreme velocities must be taken into account in the design. ...

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 ...

Outdoor-indoor angular power spectrum prediction

  • Chizhik D.
  • Valenzuela R.

Theory of normal mode propagation in a LOS street scenario is extended to include propagation into buildings through coupling to a diffuse indoor field. Previous work reported the approach led to close agreement with signal strength measurements. Here it is found that the method reproduces signal directions for direct and ...

Low-frequency illumination by an E wave of infinitely long, parallel, perfect conductors

  • De Smedt R.

The low-frequency illumination by an E wave of one or more perfectly conducting cylinders of arbitrary shape is studied. The induced current, the radiation pattern and the scattering cross section exhibit a frequency dependent logarithmic and the complete, frequency independent part in their low frequency behavior. They can be derived ...

A measurement study on Skype voice and video calls in LTE networks on high speed rails

  • Li L.
  • Mijumbi R.
  • Peng C.
  • Wang H.
  • Wang D.
  • Xiangxiang Wang
  • Xu K.
  • Zheng K.

Recent advances in high speed rails (HSRs), coupled with user demands for communication on the move, are propelling the need for acceptable quality of communication services in high speed mobility scenarios. This calls for an evaluation of how well popular voice/video call applications, such as Skype, can perform in such ...

Guest Editorial on the Special Issue of Optical Interconnects

  • Dong P.
  • Huang R.
  • Plant D.
  • Shekhar S.

The papers in this special section are devoted to the topic of optical interconnections. These papers represent both the best of the conference as well as the leading edge technologies and research of the field. The performance scaling of digital systems demands for better interconnects with larger bandwidth, higher density, ...