Publication: End-to-end QoS-aware handover in fast handovers for mobile IPv6 with DiffServ using IEEE802.11e/IEEE802.11k
Issued Date
2008-05-28
Resource Type
ISSN
17389445
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2-s2.0-44149109940
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Mahidol University
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SCOPUS
Bibliographic Citation
International Conference on Advanced Communication Technology, ICACT. Vol.3, (2008), 1548-1553
Suggested Citation
Vasaka Visoottiviseth, Siwaruk Siwamogsatham End-to-end QoS-aware handover in fast handovers for mobile IPv6 with DiffServ using IEEE802.11e/IEEE802.11k. International Conference on Advanced Communication Technology, ICACT. Vol.3, (2008), 1548-1553. doi:10.1109/ICACT.2008.4494074 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/19214
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Title
End-to-end QoS-aware handover in fast handovers for mobile IPv6 with DiffServ using IEEE802.11e/IEEE802.11k
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Abstract
In this paper, we propose a mechanism to provide a fine-grained end-to-end QoS guarantee for a mobile node handover in wireless environment. Other than selecting an access point to re-associate, we also consider the QoS status of the upper-link access router. We use information from IEEE 802.11e to obtain the current load of each access point, and information from IEEE 802.11k packets to obtain a list of neighbor access points to reduce latency in scanning process. For the network-layer QoS, we assume the Differentiated Service (DiffServ) functions on each access router. In order to reduce packet loss and latency in the network-layer handover, we consider the Fast Handovers for Mobile IPv6. We proposed a modification in router advertisement message to include DiffServ status of each AR The mobile node in our proposed model then calculates scores of each access point and selects a new access point that has the maximum scores based on both the network-layer status and the link-layer traffic load.