An RSVP based seamless resource reservation scheme for wireless mobile networks

Moonjeong Chang, Meejeong Lee, Hyunjeong Lee

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


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.

Original languageEnglish
Pages (from-to)81-92
Number of pages12
JournalComputer Communications
Issue number1
StatePublished - 15 Dec 2006

Bibliographical note

Funding Information:
This research was supported by the MIC (Ministry of Information and Communication), Korea, under the ITRC (Information Technology Research Center) support program supervised by the IITA (Institute of Information Technology Assessment).


  • Handover
  • QoS
  • Resource reservation
  • Wireless/Mobile networks


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