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A Robust Route Maintenance Scheme Considering Node Mobility in Wireless Ad-hoc Networks  

Kim, Kwan-Woong (원광대학교 전기전자정보공학부)
Bae, Sung-Hwan (한려대학교 멀티미디어정보통신공학과)
Kim, Dae-Ik (전남대학교 전기전자통신컴퓨터공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.4A, 2009 , pp. 309-315 More about this Journal
Abstract
Wireless Ad-hoc networks are dynamic networks that consist of mobile nodes. Nodes in Ad-hoc networks are usually laptops, PDAs or mobile phones. These devices feature Bluetooth and/or IEEE 802.11 (WiFi) network interfaces and communicate in a decentralized manner. Due to characteristics of Ad-hoc networks, Mobility is a key feature of routing protocol design. In this paper, we present an enhanced routing maintenance scheme that cope with topology changes pre-actively. The key feature of the proposed scheme is to switch next-hop node to alternative neighbor node before link breakage for preventing route failure. From extensive experiments by using NS2, the performance of the proposed scheme has been improved by comparison to AODV protocol.
Keywords
Wireless Ad-hoc Networks; Routing Protocols; Nobility; AODV;
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