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Wyszukujesz frazę "Mobile IP" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Adaptive handover control in IP-based mobility networks
    Autorzy:
    Park, T.
    Dadej, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/307727.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    mobile networking
    Mobile IP
    handover performance
    adaptive handover control
    Opis:
    In this paper, we propose framework for an adaptive handover control architecture (AHCA), which aims at enhancing overall IP handover performance while maximising utilisation of resources in wireless access networks. The IP handover procedures in the AHCA adapt dynamically to network conditions, as well as to a wide range of user profiles and application quality of service (QoS) requirements. To confirm our expectations that the AHCA will bring performance benefits in heterogeneous mobile IP networking environment, we have investigated basic performance characteristics of different handover mechanisms. The preliminary simulation results demonstrate that the AHCA will bring significant performance improvements as compared with non adaptive IP handovers.
    Źródło:
    Journal of Telecommunications and Information Technology; 2003, 2; 62-70
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seamless roaming between UMTS and IEEE 802.11 networks
    Autorzy:
    Matusz, P.
    Machań, P.
    Woźniak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/308300.pdf
    Data publikacji:
    2004
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    UMTS
    IEEE 802.11b
    handover
    roaming
    Mobile IP
    Opis:
    Mobile Internet access is currently available mainly using 2G/3G cellular telecommunication networks and wireless local area networks. WLANs are perceived as a local complement to slower, but widely available cellular networks, such as existing GSM/GPRS or future UMTS networks. To benefit from the advantages offered by both radio access networks, a mobile user should be able to seamlessly roam between them without the need to terminate already established Internet connections. The goal of this paper is to present an overview of the profitability of performing vertical handovers between UMTS and IEEE 802.11b using Mobile IP. Several simulations have been carried out using NS-2, which prove that handovers from IEEE 802.11b to UMTS can, under certain circumstances, be profitable not only when there is no more IEEE 802.11b coverage. Simulation results show that a mobile user should be able to roam between these networks depending on the current available channel bandwidth and quality, generated traffic type and number of users in both of them.
    Źródło:
    Journal of Telecommunications and Information Technology; 2004, 4; 21-27
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evolutionary paths in wireless communication systems
    Autorzy:
    Michalski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/309042.pdf
    Data publikacji:
    2005
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    cellular mobile radio systems
    wireless local area networks
    wireless personal networks
    wide area wireless packet data systems
    satellite-based mobile systems
    paging/messaging systems
    cordless telephones
    access points
    switches
    GPRS
    Mobile IP
    WLAN cellular integration
    Opis:
    The paper contains a review and analysis of evolutionary paths of seven most important, from network development strategy point of view, wireless communication systems, especially the WLAN operating according to the IEEE 802.11 standard. With respect to WLAN, trends related to evolution toward mobile network and self organizing network as well as toward integration of WLAN and GSM using GPRS are presented. Concerning WLAN architecture development, evolution paths toward distributed controlled network as well as centrally coordinated and controlled network are described. Moreover, analysis includes cellular mobile radio systems, wireless personal networks, wide area wireless packet data systems, satellite-based mobile systems, paging/messaging systems and cordless telephones. With respect to these systems, general evolution process and trends associated with this process are described.
    Źródło:
    Journal of Telecommunications and Information Technology; 2005, 3; 105-111
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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