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A re-route method for reliable data transport in Ad Hoc Networks  

한정안 (숭실대학교 대학원 컴퓨터학과)
백종근 (㈜베타리서치&컨설팅 모바일 리서치팀)
김병기 (숭실대학교 컴퓨터학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.3A, 2004 , pp. 276-287 More about this Journal
Abstract
An ad hoc network is infra(Base Sstation or Access Point) free wireless mobile communication technology. Mobile nodes function as routers and servers in ad hoc networks. Many routing protocols for ad hoc network have been proposed. If any route is broken owing to moving node, source must repair broken route again. But route repair technology after route collapses is not suitable to transmit real-time data packet for QoS guarantee. So this paper presents route repair technology that prevents route from breaking. If intermediate node moves to critical section, the node issues handoff packet and sends the packet to the next node. After next node receives handoff packet, the node broadcasts route request packet to the previous node for intermediate node. Finally, even if intermediate node moves out of the routing region, the source can continuously transmit data packets to the destination through the new path.
Keywords
Wireless Ad-hoc networks; Routing;
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