BEST PRACTICES FOR ACHIEVING SERVICE ASSURANCE EXCELLENCE CLIMBING THE OPERATIONALMATURITY LADDER

  • Leadley J.
  • Oliver Mosquera C.

This paper covers the most effective way to turn your network-focused assurance operations into a successful service assurance operation. To achieve this operational transformation, Communication Service Providers need to climb the operations maturity ladder. By moving from a technology or network focus to a service-oriented delivery model, they can gain ...

Load Balancing in Heterogeneous Networks using Grammatical Evolution

  • Claussen H.
  • David Lynch
  • Kucera S.
  • Michael Fenton
  • Michael O’Neill

Grammatical Evolution (GE) is applied to the problem of load balancing in heterogeneous cellular network deployments (HetNets). HetNets are multi-tiered cellular networks for which load balancing is a scalable heuristic to maximise network capacity, assuming similar traffic from all users. This paper describes a proof of concept study in which ...

Malicious-Client Security in Blind Seer: A Scalable Private DBMS

  • Bellovin S.
  • Fisch B.
  • Kolesnikov V.
  • Krell F.
  • Kumarasubramanian A.
  • Malkin T.
  • Vo B.

The Blind Seer system (Oakland 2014) is an efficient and scalable DBMS that affords both client query privacy and server data protection. It also provides the ability to enforce authorization policies on the system, restricting client's queries while maintaining the privacy of both query and policy. Blind Seer supports a ...

Virtex-7 Platform for Optical Coherent Receivers at 100G and Beyond

  • Chen Y.
  • Kaneda N.
  • Pfau T.

Bell Labs is Alcatel-Lucent's research organization. Researchers collaborate closely with the company's customers and product development teams to create the technologies that are transforming the way people connect with each other and with the information around them. Examples of these technoliges are Alcatel-Lucent's 100G and 200G long-haul wavelength division multiplex ...

Few-Mode Optical Amplifier for LP01, LP11, LP21 and LP02 Mode Groups

  • Bigot L.
  • Charlet G.
  • Genevaux P.
  • Le Cocq G.
  • Morizur J.
  • Quiquempois Y.
  • Simonneau C.

We report and fully characterize an optical amplifier capable of six-mode amplification, with erbium concentration profile adjusted for low gain excursion across the modes. We also measure Q²-factor after our amplifier for several input configurations.

Remotely and Automatically Identify Long-Shining Rogue ONU in PON System

  • Chang Q.
  • Gao Z.
  • Sun X.
  • Xiao S.
  • Ye C.
  • Zhang K.

This paper proposed a cost-effective solution for remotely and automatically identifying long-shining rogue ONU in PON system based on low-frequency RF pilot tone signal from the ONU transmitter.

Extending Cut-and-Choose Oblivious Transfer

  • Kolesnikov V.
  • Kumaresan R.

Motivated by the recent rapid progress in improving efficiency of secure computation, we study cut-and-choose oblivious transfer - a basic building block of state-of-the-art constant round two-party secure computation protocols. In particular, we study the question of realizing cut-and-choose oblivious transfer and its variants in an OT-hybrid model. Towards this, ...

Field Demonstration of 100-Gb/s Real-Time Coherent Optical OFDM Detection

  • Chandrasekhar S.
  • Chen Y.
  • Kaneda N.
  • Kwon Y.
  • Lee S.
  • Num E.
  • Pfau T.
  • Youn C.
  • Zhang H.

We report the field demonstration of 100-Gb/s real-time CO-OFDM detection using polarization division multiplexed QPSK modulation per subcarrier. The paper includes the lowest BER ever reported for a CO-OFDM back-back transmission experiment at 5x10-9 and the successful 495.2-km transmission over mixed types of field installed fiber. The field trial is ...

Few-Mode Optical Amplifier for LP01, LP11, LP21 and LP02 Mode Groups

  • Bigot L.
  • Charlet G.
  • Denolle B.
  • Genevaux P.
  • Jian P.
  • Labroille G.
  • Le Cocq G.
  • Morizur J.
  • Pinel O.
  • Quiquempois Y.
  • Simonneau C.

We report and fully characterize an optical amplifier capable of six-mode amplification, with erbium concentration profile adjusted for low gain excursion across the modes. We also measure Q²- factor after our amplifier for several input configurations.

6-mode Spatial Multiplexer with low loss and high selectivity for transmission over Few Mode Fiber

  • Charlet G.
  • Denolle B.
  • Genevaux P.
  • Jian P.
  • Labroille G.
  • Morizur J.
  • Pinel O.
  • Simonneau C.

We present a spatial mode multiplexer for 6 LP modes with low loss and high mode selectivity. We demonstrate 100 Gbit/s error-free transmission over 20 km for 6 modes and over 40 km bi-directional transmission with 3 modes in each direction.

An analytical model for pending interest table dimensioning in Named Data Networking

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

Named Data Networking (NDN) has emerged as a promising candidate for shifting Internet communication model from host-centric to content-centric. A core component of NDN is its stateful forwarding plane: Content Routers keep track of pending requests (Interests) storing them in dedicated tables at routers (Pending Interest Tables). A thorough analysis ...

Vplus gets more out of VDSL2 vectoring

  • Russell K.
  • Spruyt P.
  • Vanhastel S.

Vplus delivers speeds exceeding 200Mbps on a single copper pair It offers unmatched throughput, density and cost on 200-500m copper loops Vplus is a simple extension of existing VDSL2 vectoring technology Vplus is a perfect match for operators who need to deliver the highest possible speeds in a cost-effective way.

Why we need a new air interface for 5G

  • Berna S.
  • Schaich F.
  • Schubert M.

Wireless communications has been renewed about every decade since the introduction of 2G (GSM - Global System for Mobile Communications [1]) - the first digital wireless communication system. Around 1990 GSM became widespread and offered voice services around the globe. With the rising success of the world wide web the ...

EFFECT OF HYDROCARBON ADSORPTION ON THE WETTING OF RARE EARTH OXIDES

  • Enright R.
  • Miljkovic N.
  • Preston D.
  • Queeney J.
  • Sack J.
  • Wang E.

Water vapor condensation is a familiar phenomenon in everyday life and is routinely used in industry as an effective means of transferring heat. In typical industrial systems, condensed water forms a thin liquid film due to the high surface energy associated with many industrial materials. If condensation occurs on a ...

ELECTRIC-FIELD-ENHANCED JUMPING-DROPLET CONDENSATION

  • Enright R.
  • Miljkovic N.
  • Preston D.
  • Wang E.

When condensed droplets coalesce on a superhydrophobic nanostructured surface, the resulting droplet can jump due to the conversion of excess surface energy into kinetic energy. This phenomenon has been shown to enhance condensation heat transfer by up to 30% compared to state-of-the-art dropwise condensing surfaces. However, after the droplets jump ...

Optimal Multipath Congestion Control and Request Forwarding in Information-Centric Networks: Protocol Design and Experimentation

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

The evolution of the Internet into a distributed Information access system calls for a paradigm shift to enable an evolvable future network architecture. Information-Centric Networking (ICN) proposals rethink the communication model around named data, in contrast with the host-centric transport view of TCP/IP. Information retrieval is natively pull-based, driven by ...

Vectoring and G.fast the ultra-broadband access technology for copper

  • Dai L.
  • Li M.
  • Lv X.

Abstract: Under the background of replacement of copper cables with optical fiber, it is beneficial for operators to fully make use of the existing copper cables for ultra-broadband access, with low construction cost and smooth evolution. This paper describes the principle of Vectoring and the performance improvement to VDSL2, as ...

Safety and Comfort Services for Intelligent Traffic Systems Based on 3GPP Femtocell Technology Connected to Locally Deployed Application Logic

  • Dobbelaere P.

IP mobility workshop talk about how we used the Sensetale ADEP platform and femtocells with local breakout and LIPA functionality to connect cars, traffic lights and detection cameras with to a traffic management system installed at crossroads with the intention to offer real-time safety and comfort services.

Battling Googost, the Bandwidth-Stealing Bot

  • Mcnamee K.

Service providers build their businesses around their networks. Eliminating bandwidth-stealing bots such as Googost and NotCompatible , a similar web proxy bot that infects Android™ phones, is key to keeping network performance and customer satisfaction high.