Network-Initiated Fast Handover Scheme Using Virtual Connection over All-IP-Based Wireless Systems

  • SungHo Kim
  • JaeJoon Cho
  • Yong Kim
  • Sunshin An
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3961)


Most of mobility protocols use mobile host (MH)-initiated schemes. However they may cause excessive signaling traffic and long latency for packet delivery. We propose cross-layer, i.e., layer-2 (L2) and layer-3 (L3), handover mechanism with network-initiated handover. It makes virtual connection between the home agent (HA) and the next neighboring Access Control Routers (ACRs), called candidate ACRs, which the MH is predicted to be attached to, with information such as required bandwidth, Quality-of-Service (QoS), and estimated handover delay. Proposed scheme searches candidate ACRs using predicted traveling distance of MH for L3 handover and makes virtual connection prior to L2 handover. In this paper, our goals are to decrease packet loss rate and packet delivery latency which occur due to frequent handover over all-IP-based wireless systems. We have evaluated the performance of our scheme through a series of simulations using the Network Simulator 2 (ns-2).


Medium Access Control Packet Delivery Ratio Packet Loss Rate Mobility Management Home Agent 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • SungHo Kim
    • 1
  • JaeJoon Cho
    • 1
  • Yong Kim
    • 2
  • Sunshin An
    • 1
  1. 1.Computer Network Lab., Dep. Of Electronics EngineeringKorea UniversitySeoulKorea
  2. 2.KT Convergence Research Lab 

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