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A Fast Handoff Scheme for Multi-Connection Calls in Wireless ATM Networks
Sung Cheol CHANG Dan Keun SUNG
Publication
IEICE TRANSACTIONS on Communications
Vol.E85-B
No.10
pp.2002-2011 Publication Date: 2002/10/01 Online ISSN:
DOI: Print ISSN: 0916-8516 Type of Manuscript: Special Section PAPER (Special Issue on Mobile Multimedia Communications) Category: Keyword: dynamic pre-allocated connection, multi-connection, fast handoff,
Full Text: PDF>>
Summary:
A dynamic pre-allocated connection (DPC) scheme is proposed to support fast handoff and to effectively utilize wireline links in a multi-connection call environment. Handoff can be quickly executed in real-time with reduced connection overhead, since the proposed scheme uses pre-allocated switched virtual connections (PSVCs). This dynamic resource management scheme increases link utilization due to statistical multiplexing effects. A path-loop elimination algorithm can be applied to remove duplicate resource usages. The DPC scheme in an environment of multi-connection calls is analyzed to obtain three probabilities; 1) new multi-connection call blocking probability, 2) multi-connection handoff call blocking probability, and 3) fast handoff failure probability.
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