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  • Performance evaluation and enhancement of VLAN via wireless networks using OPNET modeler
    arXiv.cs.NI Pub Date : 2020-07-14
    Tareq Al-Khraishi; Muhannad Quwaider

    A VLAN is a logical connection that allows hosts to be grouped together in the same broadcast domain, so that packets are delivered only to ports that are combined to the same VLAN. We can improve wireless network performance and save bandwidth through the characteristic VLAN network. In addition, the implementation of VLAN greatly improves wireless network security by reducing the number of hosts

    更新日期:2020-07-15
  • Measuring the Performance of Encrypted DNS Protocols from Broadband Access Networks
    arXiv.cs.NI Pub Date : 2020-07-14
    Austin Hounsel; Paul Schmitt; Kevin Borgolte; Nick Feamster

    Until recently, DNS traffic was unencrypted, leaving users vulnerable to eavesdropping and tampering. In response to these privacy concerns, two protocols have been proposed: DNS-over-TLS (DoT) and DNS-over-HTTPS (DoH). Previous work has demonstrated that, in general, response times with popular DoT and DoH resolvers are marginally slower than conventional DNS, but sometimes faster on emulated lossy

    更新日期:2020-07-15
  • Joint Device Scheduling and Resource Allocation for Latency Constrained Wireless Federated Learning
    arXiv.cs.NI Pub Date : 2020-07-14
    Wenqi Shi; Sheng Zhou; Zhisheng Niu; Miao Jiang; Lu Geng

    In federated learning (FL), devices contribute to the global training by uploading their local model updates via wireless channels. Due to limited computation and communication resources, device scheduling is crucial to the convergence rate of FL. In this paper, we propose a joint device scheduling and resource allocation policy to maximize the model accuracy within a given total training time budget

    更新日期:2020-07-15
  • A Deep Learning Approach for Low-Latency Packet Loss Concealment of Audio Signals in Networked Music Performance Applications
    arXiv.cs.NI Pub Date : 2020-07-14
    Prateek Verma; Alessandro Ilic Mezza; Chris Chafe; Cristina Rottondi

    Networked Music Performance (NMP) is envisioned as a potential game changer among Internet applications: it aims at revolutionizing the traditional concept of musical interaction by enabling remote musicians to interact and perform together through a telecommunication network. Ensuring realistic conditions for music performance, however, constitutes a significant engineering challenge due to extremely

    更新日期:2020-07-15
  • Accuracy vs. Complexity for mmWave Ray-Tracing: A Full Stack Perspective
    arXiv.cs.NI Pub Date : 2020-07-14
    Mattia Lecci; Paolo Testolina; Michele Polese; Marco Giordani; Michele Zorzi

    The millimeter wave (mmWave) band will provide multi-gigabits-per-second connectivity in the radio access of future wireless systems. The high propagation loss in this portion of the spectrum calls for the deployment of large antenna arrays to compensate for the loss through high directional gain, thus introducing a spatial dimension in the channel model to accurately represent the performance of a

    更新日期:2020-07-15
  • Efficient Power-Splitting and Resource Allocation for Cellular V2X Communications
    arXiv.cs.NI Pub Date : 2020-07-14
    Furqan Jameel; Wali Ullah Khan; Neeraj Kumar; Riku Jantti

    The research efforts on cellular vehicle-to-everything (V2X) communications are gaining momentum with each passing year. It is considered as a paradigm-altering approach to connect a large number of vehicles with minimal cost of deployment and maintenance. This article aims to further push the state-of-the-art of cellular V2X communications by providing an optimization framework for wireless charging

    更新日期:2020-07-15
  • Robin: A Web Security Tool
    arXiv.cs.NI Pub Date : 2020-07-13
    Guilherme Girotto; Avelino Francisco Zorzo

    Thanks to the advance of technology, all kinds of applications are becoming more complete and capable of performing complex tasks that save much of our time. But to perform these tasks, applications require that some personal information are shared, for example credit card, bank accounts, email addresses, etc. All these data must be transferred securely between the final user and the institution application

    更新日期:2020-07-15
  • Joint Auction-Coalition Formation Framework for Communication-Efficient Federated Learning in UAV-Enabled Internet of Vehicles
    arXiv.cs.NI Pub Date : 2020-07-13
    Jer Shyuan Ng; Wei Yang Bryan Lim; Hong-Ning Dai; Zehui Xiong; Jianqiang Huang; Dusit Niyato; Xian-Sheng Hua; Cyril Leung; Chunyan Miao

    Due to the advanced capabilities of the Internet of Vehicles (IoV) components such as vehicles, Roadside Units (RSUs) and smart devices as well as the increasing amount of data generated, Federated Learning (FL) becomes a promising tool given that it enables privacy-preserving machine learning that can be implemented in the IoV. However, the performance of the FL suffers from the failure of communication

    更新日期:2020-07-14
  • Sensor-Aided Learning for Wi-Fi Positioning with Beacon Channel State Information
    arXiv.cs.NI Pub Date : 2020-07-13
    Jeongsik Choi

    Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique that autonomously investigates the characteristics of the surrounding environment using sensor data accumulated while users use a positioning application. Using the

    更新日期:2020-07-14
  • Recent Results on Proportional Fair Scheduling for mmWave-based Industrial Wireless Networks
    arXiv.cs.NI Pub Date : 2020-07-11
    Jiteng Ma; Adnan Aijaz; Mark Beach

    Millimeter wave (mmWave) communication has recently attracted significant attention from both industrial and academic communities. The large bandwidth availability as well as low interference nature of mmWave spectrum is particularly attractive for industrial communication. However, inherent challenges such as coverage and blockage of mmWave communication cause highly fluctuated channel quality. This

    更新日期:2020-07-14
  • iRDRC: An Intelligent Real-time Dual-functional Radar-Communication System for Automotive Vehicles
    arXiv.cs.NI Pub Date : 2020-07-11
    Nguyen Quang Hieu; Dinh Thai Hoang; Nguyen Cong Luong; Dusit Niyato

    This letter introduces an intelligent Real-time Dual-functional Radar-Communication (iRDRC) system for autonomous vehicles (AVs). This system enables an AV to perform both radar and data communications functions to maximize bandwidth utilization as well as significantly enhance safety. In particular, the data communications function allows the AV to transmit data, e.g., of current traffic, to edge

    更新日期:2020-07-14
  • Blockchain for the Internet of Vehicles towards Intelligent Transportation Systems: A Survey
    arXiv.cs.NI Pub Date : 2020-07-12
    Muhammad Baqer Mollah; Jun Zhao; Dusit Niyato; Yong Liang Guan; Chau Yuen; Sumei Sun; Kwok-Yan Lam; Leong Hai Koh

    Internet of Vehicles (IoV) is an emerging concept that is believed to help realise the vision of intelligent transportation systems (ITS). IoV has become an important research area of impactful applications in recent years due to the rapid advancements in vehicular technologies, high throughput satellite communication, Internet of Things and cyber-physical systems. IoV enables the integration of smart

    更新日期:2020-07-14
  • Meta Distribution of Downlink $\tt SIR$ in a Poisson Cluster Process-based HetNet Model
    arXiv.cs.NI Pub Date : 2020-07-12
    Chiranjib Saha; Mehrnaz Afshang; Harpreet S. Dhillon

    The performance analysis of heterogeneous cellular networks (HetNets), that relied mostly on the homogeneous Poisson point process (PPP) for the spatial distribution of the users and base stations (BSs), has seen a major transition with the emergence of the Poisson cluster process (PCP)-based models. With the combination of PPP and PCP, it is possible to construct a general HetNet model which can capture

    更新日期:2020-07-14
  • Prediction of Traffic Flow via Connected Vehicles
    arXiv.cs.NI Pub Date : 2020-07-10
    Ranwa Al Mallah; Bilal Farooq; Alejandro Quintero

    We propose a Short-term Traffic flow Prediction (STP) framework so that transportation authorities take early actions to control flow and prevent congestion. We anticipate flow at future time frames on a target road segment based on historical flow data and innovative features such as real time feeds and trajectory data provided by Connected Vehicles (CV) technology. To cope with the fact that existing

    更新日期:2020-07-13
  • Information Freshness of Updates Sent over LEO Satellite Multi-Hop Networks
    arXiv.cs.NI Pub Date : 2020-07-10
    Federico Chiariotti; Olga Vikhrova; Beatriz Soret; Petar Popovski

    Low Earth Orbit (LEO) satellite constellations are bringing the Internet of Things (IoT) to the space arena, also known as non-terrestrial networks. Several IoT satellite applications for tracking ships and cargo can be seen as exemplary cases of intermittent transmission of updates whose main performance parameter is the information freshness. This paper analyzes the Age of Information (AoI) of a

    更新日期:2020-07-13
  • Improving Software Defined Cognitive and Secure Networking
    arXiv.cs.NI Pub Date : 2020-07-10
    Ijaz Ahmad

    Traditional communication networks consist of large sets of vendor-specific manually configurable devices which are hardwired with specific control logic or algorithms. The resulting networks comprise distributed control plane architectures that are complex in nature, difficult to integrate and operate, and are least efficient in terms of resource usage. However, the rapid increase in data traffic

    更新日期:2020-07-13
  • Web View: A Measurement Platform for Depicting Web Browsing Performance and Delivery
    arXiv.cs.NI Pub Date : 2020-07-10
    Antoine SaverimoutouIMT Atlantique - INFO, UMR CNRS; Bertrand MathieuIMT Atlantique - INFO, UMR CNRS; Sandrine VatonIMT Atlantique - INFO, UMR CNRS

    Web browsing is the main Internet Service and every customer wants the minimum web page loading times. To satisfy this perpetual need, web browsers offer new processing engines and increased functionalities. Web developers make use of new programming languages and paradigms, new transport protocols have been introduced, network operators offer increased bandwidth and Content Delivery Networks (CDN)

    更新日期:2020-07-13
  • Quantum Secured Internet Transport
    arXiv.cs.NI Pub Date : 2020-07-10
    Bernardo Huberman; Bob Lund; Jing Wang

    Quantum computing represents an emerging threat to the public key infrastructure underlying transport layer security (TLS) widely used in the Internet. This paper describes how QKD symmetric keys can be used with TLS to provide quantum computing resistant security for existing Internet applications. We also implement and test a general hybrid key delivery architecture with QKD over long distance fibers

    更新日期:2020-07-13
  • Towards Fast, Flexible and Sensor-Free Control of Standalone PVDG Systems
    arXiv.cs.NI Pub Date : 2020-07-10
    Meher Preetam Korukonda

    In this thesis, the problem of fast, effective and low cost control of a Standalone Photovoltaic Distributed Generation (SPVDG) system is considered . On-site generation from these systems is more efficient when the power is transmitted via DC due to elimination of transmission losses and needless energy conversions. The inherent low-inertia of these systems added with fluctuation of output power and

    更新日期:2020-07-13
  • Self-healing Dilemmas in Distributed Systems: Fault-correction vs. Fault-tolerance
    arXiv.cs.NI Pub Date : 2020-07-10
    Jovan Nikolic; Nursultan Jubatyrov; Evangelos Pournaras

    Large-scale decentralized systems of autonomous agents interacting via asynchronous communication often experience the following self-healing dilemma: Fault-detection inherits network uncertainties making a faulty process indistinguishable from a slow process. The implications can be dramatic: Self-healing mechanisms become biased and cost-ineffective. In particular, triggering an undesirable fault-correction

    更新日期:2020-07-13
  • Challenges of AI in Wireless Networks for IoT
    arXiv.cs.NI Pub Date : 2020-07-09
    Ijaz Ahmad; Shahriar Shahabuddin; Tanesh Kumar; Erkki Harjula; Marcus Meisel; Markku Juntti; Thilo Sauter; Mika Ylianttila

    The Internet of Things (IoT), hailed as the enabler of the next industrial revolution, will require ubiquitous connectivity, context-aware and dynamic service mobility, and extreme security through the wireless network infrastructure. Artificial Intelligence (AI), thus, will play a major role in the underlying network infrastructure. However, a number of challenges will surface while using the concepts

    更新日期:2020-07-10
  • Spores: Stateless Predictive Onion Routing for E-Squads
    arXiv.cs.NI Pub Date : 2020-07-02
    Daniel BoskKTH; Yérom-David BrombergWIDE, IRISA; Sonja BucheggerKTH; Adrien LuxeyWIDE, IRISA; François TaïaniWIDE, IRISA

    Mass surveillance of the population by state agencies and corporate parties is now a well-known fact. Journalists and whistle-blowers still lack means to circumvent global spying for the sake of their investigations. With Spores, we propose a way for journalists and their sources to plan a posteriori file exchanges when they physically meet. We leverage on the multiplication of personal devices per

    更新日期:2020-07-10
  • Epidemic Exposure Notification with Smartwatch: A Proximity-Based Privacy-Preserving Approach
    arXiv.cs.NI Pub Date : 2020-07-08
    Pai Chet Ng; Petros Spachos; Stefano Gregori; Konstantinos Plataniotis

    Businesses planning for the post-pandemic world are looking for innovative ways to protect the health and welfare of their employees and customers. Wireless technologies can play a key role in assisting contact tracing to quickly halt a local infection outbreak and prevent further spread. In this work, we present a wearable proximity and exposure notification solution based on a smartwatch that also

    更新日期:2020-07-10
  • On Optimal Placement of Hybrid Service Function Chains (SFCs) of Virtual Machines and Containers in a Generic Edge-Cloud Continuum
    arXiv.cs.NI Pub Date : 2020-07-08
    Francisco Carpio; Wolfgang Bziuk; Admela Jukan

    Traditionally, Network Function Virtualization (NFV) has been implemented to run on Virtual Machines (VMs) in form of Virtual Network Functions (VNFs). More recently, the so-called Serverless Computing has gained traction in cloud computing, offering Function-as-a-Service (FaaS) platforms that make use of containerization techniques to deploy services. In contrast to VM-based VNFs, where resources

    更新日期:2020-07-09
  • Energy Optimization in Ultra-Dense Radio Access Networks via Traffic-Aware Cell Switching
    arXiv.cs.NI Pub Date : 2020-07-08
    Metin Ozturk; Attai Ibrahim Abubakar; João Pedro Battistella Nadas; Rao Naveed Bin Rais; Sajjad Hussain; Muhammad Ali Imran

    Ultra-dense deployments in 5G, the next generation of cellular networks, are an alternative to provide ultra-high throughput by bringing the users closer to the base stations. On the other hand, 5G deployments must not incur a large increase in energy consumption in order to keep them cost-effective and most importantly to reduce the carbon footprint of cellular networks. We propose a reinforcement

    更新日期:2020-07-09
  • Power-saving Asynchronous Quorum-based Protocols for Maximal Neighbour Discovery
    arXiv.cs.NI Pub Date : 2020-07-08
    Mehdi Imani; Maaruf Ali; Hamid Reza Arabnia

    The discovery of neighbouring active nodes is one of the most challenging problems in asynchronous ad hoc networks. Since time synchronization is extremely costly in these networks, application of asynchronous methods like quorum-based protocols have attracted increased interest for their suitability. This is because Quorum-based protocols can guarantee that two nodes with differing clock times have

    更新日期:2020-07-09
  • Energy Efficient Cross Layer Time Synchronization in Cognitive Radio Networks
    arXiv.cs.NI Pub Date : 2020-07-08
    S. M. Usman Hashmi; Muntazir Hussain; S. M. Nashit Arshad; Kashif Inayat; Seong Oun Hwang

    Time synchronization is a vital concern for any Cognitive Radio Network (CRN) to perform dynamic spectrum management. Each Cognitive Radio (CR) node has to be environment aware and self adaptive and must have the ability to switch between multiple modulation schemes and frequencies. Achieving same notion of time within these CR nodes is essential to fulfill the requirements for simultaneous quiet periods

    更新日期:2020-07-09
  • High-Performance Routing with Multipathing and Path Diversity in Supercomputers and Data Centers
    arXiv.cs.NI Pub Date : 2020-07-07
    Maciej Besta; Jens Domke; Marcel Schneider; Marek Konieczny; Salvatore Di Girolamo; Timo Schneider; Ankit Singla; Torsten Hoefler

    The recent line of research into topology design focuses on lowering network diameter. Many low-diameter topologies such as Slim Fly or Jellyfish that substantially reduce cost, power consumption, and latency have been proposed. A key challenge in realizing the benefits of these topologies is routing. On one hand, these networks provide shorter path lengths than established topologies such as Clos

    更新日期:2020-07-09
  • PINT: Probabilistic In-band Network Telemetry
    arXiv.cs.NI Pub Date : 2020-07-07
    Ran Ben Basat; Sivaramakrishnan Ramanathan; Yuliang Li; Gianni Antichi; Minlan Yu; Michael Mitzenmacher

    Commodity network devices support adding in-band telemetry measurements into data packets, enabling a wide range of applications, including network troubleshooting, congestion control, and path tracing. However, including such information on packets adds significant overhead that impacts both flow completion times and application-level performance. We introduce PINT, an in-band telemetry framework

    更新日期:2020-07-09
  • DRIVE: A Digital Network Oracle for Cooperative Intelligent Transportation Systems
    arXiv.cs.NI Pub Date : 2020-07-07
    Ioannis Mavromatis; Robert J. Piechocki; Mahesh Sooriyabandara; Arjun Parekh

    In a world where Artificial Intelligence revolutionizes inference, prediction and decision-making tasks, Digital Twins emerge as game-changing tools. A case in point is the development and optimization of Cooperative Intelligent Transportation Systems (C-ITSs): a confluence of cyber-physical digital infrastructure and (semi)automated mobility. Herein we introduce Digital Twin for self-dRiving Intelligent

    更新日期:2020-07-09
  • Mobility driven Cloud-Fog-Edge Framework for Location-aware Services: A Comprehensive Review
    arXiv.cs.NI Pub Date : 2020-07-05
    Shreya Ghosh; Soumya Ghosh

    With the pervasiveness of IoT devices, smart-phones and improvement of location-tracking technologies huge volume of heterogeneous geo-tagged (location specific) data is generated which facilitates several location-aware services. The analytics with this spatio-temporal (having location and time dimensions) datasets provide varied important services such as, smart transportation, emergency services

    更新日期:2020-07-09
  • Agile Approach for IT Forensics Management
    arXiv.cs.NI Pub Date : 2020-07-08
    Matthias Schopp; Peter Hillmann

    The forensic investigation of cyber attacks and IT incidents is becoming increasingly difficult due to increasing complexity and intensify networking. Especially with Advanced Attacks (AT) like the increasing Advanced Persistent Threats an agile approach is indispensable. Several systems are involved in an attack (multi-host attacks). Current forensic models and procedures show considerable deficits

    更新日期:2020-07-09
  • Optimizing Information Freshness via Multiuser Scheduling with Adaptive NOMA/OMA
    arXiv.cs.NI Pub Date : 2020-07-07
    Qian Wang; He Chen; Changhong Zhao; Yonghui Li; Petar Popovski; Branka Vucetic

    This paper considers a wireless network with a base station (BS) conducting timely status updates to multiple clients via adaptive non-orthogonal multiple access (NOMA)/orthogonal multiple access (OMA). Specifically, the BS is able to adaptively switch between NOMA and OMA for the downlink transmission to optimize the information freshness of the network, characterized by the Age of Information (AoI)

    更新日期:2020-07-09
  • Graph Neural Networks-based Clustering for Social Internet of Things
    arXiv.cs.NI Pub Date : 2020-07-08
    Abdullah KhanforSchool of Systems & Enterprises, Stevens Institute of Technology, Hoboken, NJ, USA; Amal NammouchiSchool of Systems & Enterprises, Stevens Institute of Technology, Hoboken, NJ, USA; Hakim GhazzaiSchool of Systems & Enterprises, Stevens Institute of Technology, Hoboken, NJ, USA; Ye YangSchool of Systems & Enterprises, Stevens Institute of Technology, Hoboken, NJ, USA; Mohammad R. HaiderUniversity

    In this paper, we propose a machine learning process for clustering large-scale social Internet-of-things (SIoT) devices into several groups of related devices sharing strong relations. To this end, we generate undirected weighted graphs based on the historical dataset of IoT devices and their social relations. Using the adjacency matrices of these graphs and the IoT devices' features, we embed the

    更新日期:2020-07-09
  • 5G Network Slicing with QKD and Quantum-Safe Security
    arXiv.cs.NI Pub Date : 2020-07-07
    Paul Wright; Catherine White; Ryan C. Parker; Jean-Sébastien Pegon; Marco Menchetti; Joseph Pearse; Arash Bahrami; Anastasia Moroz; Adrian Wonfor; Richard V. Penty; Timothy P. Spiller; Andrew Lord

    We demonstrate how the 5G network slicing model can be extended to address data security requirements. In this work we demonstrate two different slice configurations, with different encryption requirements, representing two diverse use-cases for 5G networking: namely, an enterprise application hosted at a metro network site, and a content delivery network. We create a modified software-defined networking

    更新日期:2020-07-08
  • CrossCount: A Deep Learning System for Device-free Human Counting using WiFi
    arXiv.cs.NI Pub Date : 2020-07-07
    Osama T. Ibrahim; Walid Gomaa; Moustafa Youssef

    Counting humans is an essential part of many people-centric applications. In this paper, we propose CrossCount: an accurate deep-learning-based human count estimator that uses a single WiFi link to estimate the human count in an area of interest. The main idea is to depend on the temporal link-blockage pattern as a discriminant feature that is more robust to wireless channel noise than the signal strength

    更新日期:2020-07-08
  • Remote Estimation in Decentralized Random Access Channels
    arXiv.cs.NI Pub Date : 2020-07-07
    Xingran Chen; Xinyu Liao; Shirin Saeedi Bidokhti

    Efficient sampling and remote estimation is critical for a plethora of wireless-empowered applications in the Internet of Things and cyber-physical systems. Motivated by such applications, this work proposes decentralized policies for the real-time monitoring and estimation of autoregressive processes over random access channels. Two classes of policies are investigated: (i) oblivious schemes in which

    更新日期:2020-07-08
  • On the Efficiency of Decentralized File Storage for Personal Information Management Systems
    arXiv.cs.NI Pub Date : 2020-07-07
    Mirko Zichichi; Stefano Ferretti; Gabriele D'Angelo

    This paper presents an architecture, based on Distributed Ledger Technologies (DLTs) and Decentralized File Storage (DFS) systems, to support the use of Personal Information Management Systems (PIMS). DLT and DFS are used to manage data sensed by mobile users equipped with devices with sensing capability. DLTs guarantee the immutability, traceability and verifiability of references to personal data

    更新日期:2020-07-08
  • Cognitive Radio Network Throughput Maximization with Deep Reinforcement Learning
    arXiv.cs.NI Pub Date : 2020-07-07
    Kevin Shen Hoong Ong; Yang Zhang; Dusit Niyato

    Radio Frequency powered Cognitive Radio Networks (RF-CRN) are likely to be the eyes and ears of upcoming modern networks such as Internet of Things (IoT), requiring increased decentralization and autonomous operation. To be considered autonomous, the RF-powered network entities need to make decisions locally to maximize the network throughput under the uncertainty of any network environment. However

    更新日期:2020-07-08
  • Optimizing Information Freshness in Two-Hop Status Update Systems under a Resource Constraint
    arXiv.cs.NI Pub Date : 2020-07-06
    Yifan Gu; Qian Wang; He Chen; Yonghui Li; Branka Vucetic

    This paper considers a two-hop status update system, in which an information source aims for the timely delivery of status updates to the destination with the aid of a relay. The relay is assumed to be an energy-constraint device and our goal is to devise scheduling policies that adaptively switch between the information decoding and information forwarding to minimize the long-term average Age-of-Information

    更新日期:2020-07-08
  • GossipSub: Attack-Resilient Message Propagation in the Filecoin and ETH2.0 Networks
    arXiv.cs.NI Pub Date : 2020-07-06
    Dimitris Vyzovitis; Yusef Napora; Dirk McCormick; David Dias; Yiannis Psaras

    Permissionless blockchain environments necessitate the use of a fast and attack-resilient message propagation protocol for Block and Transaction messages to keep nodes synchronised and avoid forks. We present GossipSub, a gossip-based pubsub protocol, which, in contrast to past pubsub protocols, incorporates resilience against a wide spectrum of attacks. Firstly, GossipSub's mesh construction implements

    更新日期:2020-07-07
  • LFQ: Online Learning of Per-flow Queuing Policies using Deep Reinforcement Learning
    arXiv.cs.NI Pub Date : 2020-07-06
    Maximilian Bachl; Joachim Fabini; Tanja Zseby

    The increasing number of different, incompatible congestion control algorithms has led to an increased deployment of fair queuing. Fair queuing isolates each network flow and can thus guarantee fairness for each flow even if the flows' congestion controls are not inherently fair. So far, each queue in the fair queuing system either has a fixed, static maximum size or is managed by an Active Queue Management

    更新日期:2020-07-07
  • On Designing a Machine Learning Based Wireless Link Quality Classifier
    arXiv.cs.NI Pub Date : 2020-07-03
    Gregor Cerar; Halil Yetgin; Mihael Mohorčič; Carolina Fortuna

    Ensuring a reliable communication in wireless networks strictly depends on the effective estimation of the link quality, which is particularly challenging when propagation environment for radio signals significantly varies. In such environments, intelligent algorithms that can provide robust, resilient and adaptive links are being investigated to complement traditional algorithms in maintaining a reliable

    更新日期:2020-07-07
  • Providing In-network Support to Coflow Scheduling
    arXiv.cs.NI Pub Date : 2020-07-06
    Cristian Hernandez Benet; Andreas J. Kassler; Gianni Antichi; Theophilus A. Benson; Gergely Pongracz

    Many emerging distributed applications, including big data analytics, generate a number of flows that concurrently transport data across data center networks. To improve their performance, it is required to account for the behavior of a collection of flows, i.e., coflows, rather than individual. State-of-the-art solutions allow for a near-optimal completion time by continuously reordering the unfinished

    更新日期:2020-07-07
  • Optimal and Approximation Algorithms for Joint Routing and Scheduling in Millimeter-Wave Cellular Networks
    arXiv.cs.NI Pub Date : 2020-07-06
    Dingwen Yuan; Hsuan-Yin Lin; Jörg Widmer; Matthias Hollick

    Millimeter-wave (mmWave) communication is a promising technology to cope with the exponential increase in 5G data traffic. Such networks typically require a very dense deployment of base stations. A subset of those, so-called macro base stations, feature high-bandwidth connection to the core network, while relay base stations are connected wirelessly. To reduce cost and increase flexibility, wireless

    更新日期:2020-07-07
  • A study of multistage interconnection networks operating with wormhole routing and equipped with multi-lane storage
    arXiv.cs.NI Pub Date : 2020-07-06
    Eleftherios Stergiou

    Multistage interconnection networks (MINs) provide critical communication resources between network components with an attractive cost/performance relation. In this paper, a novel architecture for a MIN is proposed. In contrast to other existing networks, this new architecture operates via wormhole routing using a multi-lane equivalent-weighted fair queuing system. Associating the lane storage with

    更新日期:2020-07-07
  • Compact Oblivious Routing in Weighted Graphs
    arXiv.cs.NI Pub Date : 2020-07-05
    Philipp CzernerDepartment of Informatics, TU München, Germany; Harald RäckeDepartment of Informatics, TU München, Germany

    The space-requirement for routing-tables is an important characteristic of routing schemes. For the cost-measure of minimizing the total network load there exist a variety of results that show tradeoffs between stretch and required size for the routing tables. This paper designs compact routing schemes for the cost-measure congestion, where the goal is to minimize the maximum relative load of a link

    更新日期:2020-07-07
  • Design and Implementation of SMARTHO -- A Network Initiated Handover mechanism in NG-RAN, on P4-based Xilinx NetFPGA switches
    arXiv.cs.NI Pub Date : 2020-07-04
    Phanindra Palagummi; Krishna M. Sivalingam

    This report deals with the design of handover schemes for radio access networks (RAN) in 5G networks, using programmable data plane switches. In 5G networks, the NG-RAN architecture splits the Base Band Unit (BBU) into Central and Distributed Units (CU and DU). This structure has created a mid-haul Network, connecting CUs and DUs. The recent advancements in dataplane programmability can be used to

    更新日期:2020-07-07
  • Intelligent Reflecting Surface Aided Wireless Communications: A Tutorial
    arXiv.cs.NI Pub Date : 2020-07-06
    Qingqing Wu; Shuowen Zhang; Beixiong Zheng; Changsheng You; Rui Zhang

    Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal prorogation in wireless networks. By smartly tuning the signal reflection via a large number of low-cost passive reflecting elements, IRS is capable of dynamically altering wireless channels to enhance the communication performance. It is thus expected that the new IRS-aided hybrid wireless network comprising

    更新日期:2020-07-07
  • RDP-GAN: A Rényi-Differential Privacy based Generative Adversarial Network
    arXiv.cs.NI Pub Date : 2020-07-04
    Chuan Ma; Jun Li; Ming Ding; Bo Liu; Kang Wei; Jian Weng; H. Vincent Poor

    Generative adversarial network (GAN) has attracted increasing attention recently owing to its impressive ability to generate realistic samples with high privacy protection. Without directly interactive with training examples, the generative model can be fully used to estimate the underlying distribution of an original dataset while the discriminative model can examine the quality of the generated samples

    更新日期:2020-07-07
  • An Edge Computing-based Photo Crowdsourcing Framework for Real-time 3D Reconstruction
    arXiv.cs.NI Pub Date : 2020-07-03
    Shuai Yu; Xu Chen; Shuai Wang; Lingjun Pu; Di Wu

    Image-based three-dimensional (3D) reconstruction utilizes a set of photos to build 3D model and can be widely used in many emerging applications such as augmented reality (AR) and disaster recovery. Most of existing 3D reconstruction methods require a mobile user to walk around the target area and reconstruct objectives with a hand-held camera, which is inefficient and time-consuming. To meet the

    更新日期:2020-07-06
  • Cross-layer Path Selection in Multi-path Transport Protocol for Mobile Devices
    arXiv.cs.NI Pub Date : 2020-07-03
    Binbin Liao; Guangxing Zhang; Qinghua Wu; Zhenyu Li; Gaogang Xie

    MPTCP is a new transport protocol that enables mobile devices to use multiple physical paths simultaneously through several network interfaces, such as WiFi and Cellular. However, wireless path capacities change frequently in the mobile environments, causing challenges for path selection. For example, WiFi associated paths often become poor as devices walk away, since WiFi has intermittent connectivity

    更新日期:2020-07-06
  • LSTFCoDel: CoDel with LSTF-Style Priority Queuing
    arXiv.cs.NI Pub Date : 2020-07-02
    Christen Ford

    Congestion control is vastly important in computer networks. Arising naturally from the bursty nature of Internet traffic, congestion plagues not only the network edge, but also the network core. Many remedies have been proposed to fight congestion; active queue management (AQM) is one such proposal. AQM seeks to prevent congestion by actively avoiding it. Some queuing disciplines such as Random Early

    更新日期:2020-07-06
  • Harnessing Wireless Channels for Scalable and Privacy-Preserving Federated Learning
    arXiv.cs.NI Pub Date : 2020-07-03
    Anis Elgabli; Jihong Park; Chaouki Ben Issaid; Mehdi Bennis

    Wireless connectivity is instrumental in enabling scalable federated learning (FL), yet wireless channels bring challenges for model training, in which channel randomness perturbs each worker's model update while multiple workers' updates incur significant interference under limited bandwidth. To address these challenges, in this work we formulate a novel constrained optimization problem, and propose

    更新日期:2020-07-06
  • Five-Layers SDP-Based Hierarchical Security Paradigm for Multi-access Edge Computing
    arXiv.cs.NI Pub Date : 2020-07-02
    Jaspreet Singh; Yahuza Bello; Ahmed Refaey; Amr Mohamed

    The rise in embedded and IoT device usage comes with an increase in LTE usage as well. About 70\% of an estimated 18 billion IoT devices will be using cellular LTE networks for efficient connections. This introduces several challenges such as security, latency, scalability, and quality of service, for which reason Edge Computing or Fog Computing has been introduced. The edge is capable of offloading

    更新日期:2020-07-03
  • MICN: a network coding protocol for ICN with multiple distinct interests per generation
    arXiv.cs.NI Pub Date : 2020-07-02
    H. MalikETIS, L2S; C. AdjihETIS, CY; C. WeidmannETIS, CY; M. KiefferL2S

    In Information-Centric Networking (ICN), consumers send interest packets to the network and receive data packets as a response to their request without taking care of the producers, which have provided the content, contrary to conventional IP networks. ICN supports the use of multiple paths; however, with multiple consumers and producers, coordination among the nodes is required to efficiently use

    更新日期:2020-07-03
  • Playback experience driven cross layer optimisation of APP, transport and MAC layer for video clients over long-term evolution system
    arXiv.cs.NI Pub Date : 2020-07-02
    Xinyu Huang; Lijun He

    In traditional communication system, information of APP (Application) layer, transport layer and MAC (Media Access Control)layer has not been fully interacted,which inevitably leads to inconsistencies among TCP congestion state, clients'requirements and resource allocation. To solve the problem, we propose a joint optimization framework, which consists of APP layer, transport layer and MAC layer, to

    更新日期:2020-07-03
  • Multi-Objective Energy Efficient Resource Allocation and User Association for In-band Full Duplex Small-Cells
    arXiv.cs.NI Pub Date : 2020-07-01
    Sheyda Zarandi; Ata Khalili; Mehdi Rasti; Hina Tabassum

    In this paper, we develop a framework to maximize the network energy efficiency (EE) by optimizing joint user-base station~(BS) association,~subchannel assignment, and power control considering an in-band full-duplex (IBFD)-enabled small-cell network. We maximize EE (ratio of network aggregate throughput and power consumption) while guaranteeing a minimum data rate requirement in both the uplink and

    更新日期:2020-07-03
  • Sorry, Shodan is not Enough! Assessing ICS Security via IXP Network Traffic Analysis
    arXiv.cs.NI Pub Date : 2020-07-02
    Giovanni Barbieri; Mauro Conti; Nils Ole Tippenhauer; Federico Turrin

    Modern Industrial Control Systems (ICSs) allow remote communication through the Internet using industrial protocols that were not designed to work with external networks. To understand security issues related to this practice, prior work usually relies on active scans by researchers or services such as Shodan. While such scans can identify public open ports, they are not able to provide details on

    更新日期:2020-07-03
  • Joint Passive Beamforming and User Association Optimization for IRS-assisted mmWave Systems
    arXiv.cs.NI Pub Date : 2020-07-02
    Dan Zhao; Hancheng Lu; Yazheng Wang; Huan Sun

    In this paper, we investigate an intelligent reflect surface (IRS) assisted multi-user millimeter wave (mmWave) downlink communication system, exploiting IRS to alleviate the blockage effect and enhance the performance of the mmWave system. Considering the impact of IRS on user association, we formulate a sum rate maximization problem by jointly optimizing the passive beamforming at IRS and user association

    更新日期:2020-07-03
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