IDEAS home Printed from https://ideas.repec.org/a/spr/telsys/v75y2020i4d10.1007_s11235-020-00690-w.html
   My bibliography  Save this article

Handoff in WLAN/cellular systems based on a hybrid of WLAN bandwidth and ad hoc relaying strategies

Author

Listed:
  • M. Shiri

    (Iran University of Science and Technology)

  • R. Berangi

    (Iran University of Science and Technology)

Abstract

The seamless vertical handoff from a wireless local area network (WLAN) to a cellular system yet poses a big challenge. While serving by a WLAN, a mobile node (MN) may enter a region with a low data rate before completing a handoff towards a cellular network. To maintain quality of service, a large amount of WLAN bandwidth must be allocated to compensate for the weakness of MN link. However, this mechanism does not work properly in dense hotspots because of the lack of WLAN bandwidth. An alternative is to employ relay nodes (RN) to remain connected to the AP. This scheme also does not operate well in a low-density hotspot because the chance of finding a suitable RN is low. In this paper, a hybrid solution that uses both WLAN bandwidth and potential RNs is proposed. It uses the trade-off between the WLAN bandwidth and the potential RNs to reach an optimum handoff performance in terms of call dropping probability. Initially, the probability of call dropping in relay mode is theoretically evaluated and compared with the simulation results. Next, the proposed Hybrid approach is modelled by assuming 5% and 10% of nods as the relay nodes. The results show the proposed method can significantly reduce call dropping probability in both low and high-density hotspots when compared with a relay or bandwidth-based approach. It also reduces new call blocking probability of the bandwidth only but slightly worse than the relay only methods.

Suggested Citation

  • M. Shiri & R. Berangi, 2020. "Handoff in WLAN/cellular systems based on a hybrid of WLAN bandwidth and ad hoc relaying strategies," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 75(4), pages 401-410, December.
    • Handle: RePEc:spr:telsys:v:75:y:2020:i:4:d:10.1007_s11235-020-00690-w
    DOI: 10.1007/s11235-020-00690-w
    as

    Download full text from publisher

    File URL: http://link.springer.com/10.1007/s11235-020-00690-w
    File Function: Abstract
    Download Restriction: Access to the full text of the articles in this series is restricted.
    File URL: https://libkey.io/10.1007/s11235-020-00690-w?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    References listed on IDEAS

    as
    1. Rami Ahmad & Elankovan A. Sundararajan & Nor E. Othman & Mahamod Ismail, 2018. "An efficient handover decision in heterogeneous LTE-A networks under the assistance of users’ profile," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 68(1), pages 27-45, May.
    2. Radhwan M. Abdullah & Zuriati Ahmad Zukarnain, 2017. "Erratum to: Improved fast handover method for multiple node by using mobile nodes guide," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 66(2), pages 343-343, October.
    3. Radhwan M. Abdullah & Zuriati Ahmad Zukarnain & Rizwan Iqbal, 2017. "RETRACTED ARTICLE: Improved fast handover method for multiple node by using mobile nodes guide," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 64(3), pages 429-438, March.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.

      Corrections

      All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:spr:telsys:v:75:y:2020:i:4:d:10.1007_s11235-020-00690-w. See general information about how to correct material in RePEc.

      If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

      If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

      If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

      For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.springer.com .

      Please note that corrections may take a couple of weeks to filter through the various RePEc services.

      IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.