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| IP Flow Mobility Trigger Mechanism in Heterogeneous Wireless Networks |
| Qing Wang, Wenjing Li, Peng Yu, Luoming Meng |
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Abstract With the Multi Access Packet Data Network Connectivity and IP flow
mobility introduced by 3GPP, mobile devices with multiple wireless
interfaces can connect to multiple access networks simultaneously,
meanwhile allowing dynamic allocation of different IP flows to
different access systems corresponding to their requirements. In
order to enable IP flow mobility, an effective IP flow mobility
trigger mechanism is indispensible. However, among the existing
technical standard and current literatures in IP flow mobility,
almost no research involves the trigger mechanism and decision
algorithm. This paper proposes a mechanism for network-based IP flow
mobility, which includes a trigger process and a network selection
decision algorithm based on each IP flow. Simulation results
validate the flexibility and efficiency of our proposed mechanism,
which can achieve a better network load balancing as well as a
higher user satisfaction.
DOI: 10.12733/jics20101697
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