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    Wyświetlanie 1-4 z 4
    Tytuł:
    Ɵ(1) Time Algorithm for Master Selection in Ad-hoc Wireless Networks
    Autorzy:
    Khattabi, Mohammed
    Elmesbahi, Jelloul
    Khaldoun, Mohammed
    Errami, Ahmed
    Bouattane, Omar
    Powiązania:
    https://bibliotekanauki.pl/articles/226674.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    cluster-based networks
    cluster head selection
    ad-hoc networks
    wireless sensors networks
    SDR
    USRP
    simulink
    Opis:
    This paper details a hardware implementation of a distributed Ɵ(1) time algorithm allows to select dynamically the master device in ad-hoc or cluster-based networks in a constant time regardless the number of devices in the same cluster. The algorithm allows each device to automatically detect its own status; master or slave; based on identifier without adding extra overheads or exchanging packets that slow down the network. We propose a baseband design that implements algorithm functions and we detail the hardware implementation using Matlab/Simulink and Ettus B210 USRP. Tests held in laboratory prove that algorithm works as expected.
    Źródło:
    International Journal of Electronics and Telecommunications; 2020, 66, 3; 521-527
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design and Analysis of An Improved AODV Protocol Based on Clustering Approach for Internet of Vehicles (AODV-CD)
    Autorzy:
    Ebadinezhad, Sahar
    Powiązania:
    https://bibliotekanauki.pl/articles/1844586.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ad hoc on-demand distance vector routing
    clustering
    internet of vehicles
    vehicular ad hoc networks
    quality of service
    5G wireless networks
    Opis:
    The Internet of Vehicles (IoVs) has become a vital research area in order to enhance passenger and road safety, increasing traffic efficiency and enhanced reliable connectivity. In this regard, for monitoring and controlling the communication between IoVs, routing protocols are deployed. Frequent changes that occur in the topology often leads to major challenges in IoVs, such as dynamic topology changes, shortest routing paths and also scalability. One of the best solutions for such challenges is “clustering”. This study focuses on IoVs’ stability and to create an efficient routing protocol in dynamic environment. In this context, we proposed a novel algorithm called Cluster-based enhanced AODV for IoVs (AODV-CD) to achieve stable and efficient clustering for simplifying routing and ensuring quality of service (QoS). Our proposed protocol enhances the overall network throughput and delivery ratio, with less routing load and less delay compared to AODV. Thus, extensive simulations are carried out in SUMO and NS2 for evaluating the efficiency of the AODV-CD that is superior to the classic AODV and other recent modified AODV algorithms.
    Źródło:
    International Journal of Electronics and Telecommunications; 2021, 67, 1; 13-22
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sensor-Actor Network Solution for Scalable Ad-hoc Sensor Networks
    Autorzy:
    Chaczko, Z.
    Chiu, C.
    Aslanzadeh, S.
    Dune, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/227214.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Sensor-Actor Networks (SANETS)
    Ad-hoc Wireless Sensor Networks (WSNS)
    middleware
    distributed software services
    Opis:
    Architects of ad-hoc wireless Sensor-Actor Networks (SANETS) face various problems and challenges. The main limitations relate to aspects such as the number of sensor nodes involved, low bandwidth, management of resources and issues related to energy management. In order for these networks to be functionally proficient, the underlying software system must be able to effectively handle unreliable and dynamic distributed communication, power constraints of wireless devices, failure of hardware devices in hostile environments and the remote allocation of distributed processing tasks throughout the wireless network. The solution must be solved in a highly scalable manner. This paper provides the requirements analysis and presents the design of a software system middleware that provides a scalable solution for ad-hoc sensor network infrastructure made of both stationary and mobile sensors and actuators.
    Źródło:
    International Journal of Electronics and Telecommunications; 2012, 58, 1; 55-62
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A reactive algorithm for deducing nodal forwarding behavior in a multihop ad-hoc wireless network in the presence of errors
    Autorzy:
    Rydzewski, Karol
    Konorski, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/225979.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ad hoc
    networks
    reputation
    errors
    Opis:
    A novel algorithm is presented to deduce individual nodal forwarding behavior from standard end-to-end acknowledgments. The algorithm is based on a well-established mathematical method and is robust to network related errors and nodal behavior changes. The proposed solution was verified in a network simulation, during which it achieved sound results in a challenging multihop ad-hoc network environment.
    Źródło:
    International Journal of Electronics and Telecommunications; 2020, 66, 1; 193-199
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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