Performance study of delay tolerant networks
Delay tolerant networks are mobile wireless networks where most of the time there does not exist a complete path from the source to the destination, or such a path is highly unstable. Such networks can be formed among moving vehicles equipped with wireless devices in cities like Singapore. There...
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| Format: | Final Year Project |
| Language: | English |
| Published: |
2010
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/40591 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | Delay tolerant networks are mobile wireless networks where most of the time there
does not exist a complete path from the source to the destination, or such a path is
highly unstable. Such networks can be formed among moving vehicles equipped
with wireless devices in cities like Singapore. There are always buses and cars
moving around in the city. While due to uncertain traffic condition, in the night or in
sparse areas, where traffic density becomes low, it is likely that the network is
disconnected. In order to utilize this kind of bus networks as backbone network
infrastructure, we proposed a delay tolerant network routing protocol that is able to
achieve relatively high delivery rate as required by SMS messaging or email sending.
Our algorithm integrates epidemic routing and mobile assist delivery approaches so
as to assure data delivery in both congested and sparse traffic conditions. |
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