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An RSVP based seamless resource reservation scheme for wireless mobile networks

Title
An RSVP based seamless resource reservation scheme for wireless mobile networks
Authors
Chang M.Lee M.Lee H.
Ewha Authors
이미정
SCOPUS Author ID
이미정scopus
Issue Date
2006
Journal Title
Computer Communications
ISSN
0140-3664JCR Link
Citation
vol. 30, no. 1, pp. 81 - 92
Indexed
SCIE; SCOPUS WOS scopus
Abstract
In order to achieve continuous QoS provision to a mobile user, it is required to deploy a mechanism which reserves resources in advance at the locations to which the mobile user is expected to move. An important issue with regards to these mechanisms is to minimize the waste of resources caused by aforementioned reservations while keeping up the QoS guaranteed services to the user. In this paper, we propose a wireless network domain structure which deploys a special cell, called a gray cell. The boundaries of wireless network regions are surrounded by the gray cells that belong to all of its neighboring regions. Based on this wireless domain structure, we propose a mechanism which completely removes the waste of redundant resource reservation in the wireless network domain while greatly reducing the risk of reservation disruption caused by inter-region handovers. Using simulation, it is shown that the proposed mechanism can deal with inter-region handover as effectively as it does with intra-region handover. It is also presented that the proposed mechanism outperforms existing mechanisms with respect to reservation disruption time and packet losses caused by handovers for various mobility patterns of a mobile user. © 2006 Elsevier B.V. All rights reserved.
DOI
10.1016/j.comcom.2006.07.020
Appears in Collections:
엘텍공과대학 > 컴퓨터공학과 > Journal papers
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