Journal of KIISE:Information Networking (한국정보과학회논문지:정보통신)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
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Multi-Channel/Radio based CAC Mechanism for Wireless Ad-hoc Networks

무선 애드혹 통신망용 멀티 채널/라디오 기반 호접속 제어 메저니즘

  • Published : 2007.10.15
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Abstract

In this paper, an Ad-hoc Routing Protocol which works in wireless Ad-hoc communication networks with multiple radios and multiple channels, and controls call admission based on bandwidth measurement is proposed. Unlike the conventional Ad-hoc node with a single radio using a single channel, an Ad-hoc node of the protocol proposed, MCQosR(Multiple Channel Quality of Service Routing), has multiple radios and uses multiple channels, which makes full duplex transmission between wireless Ad-hoc nodes, and reduces the intra interference on a route. Also, a fixed channel only for reception at each node enables the measurement of the available bandwidth, which is used to control the call admission for QoS provision. The performance of MCQosR is verified by simulation.

본 논문에서는 다수의 라디오와 채널을 사용하는 무선 애드혹 통신망에서 대역폭 측정을 기반으로 호 접속 제어와 연동되는 애드혹 라우팅 프로토콜을 제안한다. 단일 라디오에 단일 채널을 사용하는 기존 애드혹 노드와 달리 제안한 MCQosR(Multiple Channel Quality of Service Routing) 프로토콜에서는 각 노드가 다수의 채널과 라디오를 사용하여 노드사이에 전이중 통신을 가능하게 하고 경로의 내부 간섭을 감소시켰다. 또한 각 노드마다 수신전용의 고정된 채널을 갖도록 하였으며, 대역폭 측정을 기반으로 새로운 호에 대한 수락제어를 수행함으로써 QoS 제공을 가능하도록 하였다 제안된 프로토콜은 시뮬레이션을 통하여 성능을 검증하였다.

Keywords

References

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