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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Speicher, S. |
| Copyright Year | 2006 |
| Description | Author affiliation: Inf. & Commun. Services Group, Rostock Univ., Rostock (Speicher, S.) |
| Abstract | Wireless mesh networks (WMNs) are a promising networking concept to extend the range of wireless gateways by leveraging fixed relays as packet forwarders for nodes further away. WMNs use ad-hoc routing protocols such as AODV or OLSR to route packets between wireless gateways, fixed relays, and mobile nodes (MNs). This paper focuses on handoff-related delays specific to WMNs: delays due to re-discovery and setup of multihop routes after handoffs. Since in case of OLSR routing information is only sent periodically to reduce routing overhead, route discovery can take up to a few seconds, which is far too long for delay-sensitive applications like Voice over IP. Therefore, we propose the FastSync extension for OLSR, which enables MNs to obtain all topology and gateway information immediately after handoff from a fixed relay of the handoff-target WMN. As a result, the long waiting phase for the first regular routing update after handoff is avoided. We implemented our concept and performed extensive simulations. The results show that OLSR-FastSync reduces handoff-related route setup delays significantly. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 249100 |
| Page Count | 5 |
| File Format | |
| ISBN | 1424400627 |
| DOI | 10.1109/VTCF.2006.539 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-09-25 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Wireless mesh networks Relays Delay Routing protocols Internet telephony Network topology Computer science Electronic mail Costs Spine |
| Content Type | Text |
| Resource Type | Article |
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