碩士 / 國立暨南國際大學 / 資訊工程學系 / 91 / A mobile ad hoc network (MANET) is a collection of wireless mobile hosts (nodes) that cooperatively form a network that operates without the support of any fixed infrastructure. MANET has been proposed for a variety of goals such as providing a communication infrastructure in hostile or disaster-stricken areas.
Existing wireless routing schemes can be classified into two categories according to their design philosophy: (a) proactive and (b) on-demand. Proactive schemes maintain routes all the time, independent of traffic demands. On the other hand, in on-demand schemes, a mobile node finds a route to the destination when the data traffic is generating. Other schemes that combining and taking advantages of both proactive and on-demand characteristics are called hybrid schemes in the literature.
In this thesis, we focus on an existing hybrid routing scheme called Zone Routing Protocol (ZRP) and propose an extension to improve the performance of ZRP. In ZRP, the active range of proactive scheme is called a zone. Studies had shown that a larger zone could increase efficiency in route finding but at the expense of larger maintenance overhead. In the proposed extension of ZRP, which is called Fisheye ZRP (FZRP), we try to enlarge the zone size but slightly increase the maintenance overhead by reducing the update rate of link state information in a zone. Simulation studies have demonstrated the improvement of performance by FZRP in terms of routing finding efficiency and maintenance overhead.
| Identifer | oai:union.ndltd.org:TW/091NCNU0392004 |
| Date | January 2003 |
| Creators | LiPin Tseng, 曾立斌 |
| Contributors | Chun-Chuan Yang, 楊峻權 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 42 |
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