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  • Conference Proceeding  (5)
Type of Medium
  • Conference Proceeding  (5)
Language
Year
  • 1
    Language: English
    In: 2011 4th IFIP International Conference on New Technologies, Mobility and Security, February 2011, pp.1-8
    Description: Keeping a mobile device always up-do-date about the k nearest neighbor (kNN) points of interest (PoIs) is a common challenge of location based services. The challenge lies in the fact that the set of PoIs available at the device needs to always remain correct and fresh while the mobile user may be constantly moving about. To this end, in a very simple approach, the position of the device could be continuously updated with the server- side, whenever it changes. Since this simple approach creates a potential communication overhead, several optimizations have been proposed in literature, all of which significantly reduce the amount of messages sent over the air. However, location based service (LBS) developers have been left clueless until today about whether deploying those complex strategies into their systems actually improves battery life sig- nificantly - which is arguably the most important aspect for the end user. As a way to remedy, this paper critically examines optimized kNN tracking, based on real-life data sets and in the light of actual battery drainage.
    Keywords: Servers ; Cities and Towns ; Batteries ; Nearest Neighbor Searches ; Internet ; Encyclopedias ; Trajectory
    ISBN: 9781424487059
    ISBN: 1424487056
    ISSN: 21574952
    E-ISSN: 21574952
    Source: IEEE Conference Publications
    Source: IEEE Xplore
    Source: IEEE Journals & Magazines 
    Source: IEEE eBooks
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  • 2
    Language: English
    In: 2018 IEEE Globecom Workshops (GC Wkshps), December 2018, pp.1-6
    Description: With the emergence of self-driving technology and the ever-increasing demand of bandwidth-hungry applications, providing the required latency, security and computational capabilities is becoming a challenging task. Although being evolving, traditional vehicular radio access technologies, namely WLAN/IEEE 802.11p and cellular networks cannot meet all the requirements of future Cooperative, Connected and Automated Mobility (CCAM). In addition, current vehicular architectures are not sufficiently flexible to support the highly heterogeneous landscape of emerging communication technologies, such as mmWave, Cellular Vehicle-to-Everything (C-V2X), and Visible Light Communication (VLC). To this aim, Multi-access Edge Computing (MEC) has been recently proposed to enhance the quality of passengers experience in delay-sensitive applications. In this paper, we discuss the in-premises features of MEC and the need of supporting technologies, such as Software Defined Networking (SDN) and Network Function Virtualization (NFV), to fulfil the requirements in terms of responsiveness, reliability and resiliency. The latter is of paramount importance for automated services, which are supposed to be always-on and always-available. We outline possible solutions for mobility-aware computation offloading, dynamic spectrum sharing, and interference mitigation. Also, by revealing MEC-inherent security vulnerabilities, we argue for the need of adequate security and privacy-preserving schemes in MEC-enabled vehicular architectures.
    Keywords: Computer Architecture ; Servers ; Vehicle-to-Everything ; 5g Mobile Communication ; Reliability ; Security ; Safety ; Mec ; Urllc ; V2x ; Sdn/Nfv ; Security ; Privacy
    Source: IEEE Conference Publications
    Source: IEEE Xplore
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  • 3
    Language: English
    In: Proceedings of the 11th ACM Conference on security & privacy in wireless and mobile networks, 18 June 2018, pp.277-278
    Description: As of IEEE 802.11n, a wireless Network Interface Card (NIC) uses Channel State Information (CSI) to optimize the transmission over multiple antennas. CSI contain radio-metrics such as amplitude and phase. Due to scattering during hardware production these metrics exhibit unique properties....
    Keywords: Amplitude ; Schnittstellenkarte ; Schelf ; Fingerabdruck ; Wireless-Netzwerk ; Ieee 802.11 ; Smartphone;
    ISBN: 9781450357319
    ISBN: 1450357318
    Source: ACM Digital Library (Association for Computing Machinery)
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  • 4
    Language: English
    In: 2018 IEEE Vehicular Networking Conference (VNC), December 2018, pp.1-2
    Description: Automotive Ethernet (AE) is becoming more and more relevant to the automotive industry due to its support of emerging in-car applications, which have high bandwidth demands and stringent requirements in terms of latency and time synchronization. One of the standards under consideration for AE is IEEE 802.1 Audio Video Bridging (AVB)/Time Sensitive Networking (TSN) that provides deterministic data link layer and bounded latency to real-time traffic classes. So far, this protocol stack has only been evaluated using either simulations or proprietary and expensive platforms. In this paper, we design a real testbed system for AE using general-purpose single-board computers and conduct experiments to assess the real-time performance of an open-source AVB/TSN implementation. Our preliminary results show that even under heavy load, AVB/TSN can fulfil the latency requirements of AE while keeping a constant latency variation.
    Keywords: Ethernet ; Delays ; Jitter ; Open Source Software ; Conferences ; Automotive Engineering ; Standards ; Engineering
    E-ISSN: 2157-9865
    Source: IEEE Conference Publications
    Source: IEEE Xplore
    Source: IEEE Journals & Magazines 
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  • 5
    Language: English
    In: 16 April 2008, Vol.6962, pp.69620L-69620L-9
    Description: Mobile manipulation in many respects represents the next generation of robot applications. An important part of design of such systems is the integration of techniques for navigation, recognition, control, and planning to achieve a robust solution. To study this problem three different approaches to mobile manipulation have been designed and implemented. A prototypical application that requires navigation and manipulation has been chosen as a target for the systems. In this paper we present the basic design of the three systems and draw some general lessons on design and implementation.
    Keywords: Engineering
    ISBN: 9780819471536
    ISBN: 0819471534
    ISSN: 0277786X
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