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인공지능대학
컴퓨터공학과
Journal papers
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An efficient resource reservation scheme based on gray-cell in wireless mobile networks
Title
An efficient resource reservation scheme based on gray-cell in wireless mobile networks
Authors
Chang M.
;
Lee M.
;
Lee H.
Ewha Authors
이미정
SCOPUS Author ID
이미정
Issue Date
2005
Journal Title
IEEE Wireless Communications and Networking Conference, WCNC
ISSN
1525-3511
Citation
IEEE Wireless Communications and Networking Conference, WCNC vol. 3, pp. 1311 - 1316
Indexed
SCOPUS
Document Type
Conference Paper
Abstract
In order to provide continuous QoS guarantees 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 redundant 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, and the gray cells are supposed to 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. © 2005 IEEE.
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