NDLI: Trigger Mechanism of Context Transfers in Seamless Handovers for Multimedia Applications

Content Provider	IEEE Xplore Digital Library
Author	Yonghui Zhang Xinhua Jiang Lijun Luo
Copyright Year	2006
Description	Author affiliation: Inf. Sci. & Eng. Sch., Central-South Univ., Changsha (Yonghui Zhang; Xinhua Jiang)
Abstract	RSVP faces challenges from resource-engross and switching or thrashing when in handover process, especially when in group mobility and for multimedia applications. This paper proposed a scheme on seamless handover, developed a context transfer mechanism that can keep access routers and home agent informed of handover, AAA and QoS messages before anticipated handover. And a simplification to the HO sequencing with AAA process was made. The context transfer triggered by positioning information approaching cell edge. Constraint condition of mobile node's path probability is introduced from traffic management system to enhance path predicting precision of high-speed mobile nodes. Path attaching is introduced to deduce the whole overhead. Simulation showed that the scheme lessens resource possession, enhances QoS and smoothes handover procedure. The simulation data also showed that time setforward of context transfer is critical to the performance.
Starting Page	1
Ending Page	4
File Size	5225548
Page Count	4
File Format	PDF
ISBN	1424408008
DOI	10.1109/ICCT.2006.341755
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bandwidth Multimedia systems WiMAX Joining processes Switches Uncertainty Home automation Context Books Information science WiMax Context transfer RSVP QoS Handover Mobile IP Path attaching Motion Prediction
Content Type	Text
Resource Type	Article

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