Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Hybrid MAC(HMAC) Protocol Considering Throughput in Wireless Sensor Networks

전송 효율을 고려한 무선센서 네트워크에서의 Hybrid MAC(HMAC) 프로토콜

  • Published : 2007.07.31
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Abstract

In this paper we propose a Hybrid MAC(HMAC) to enhance the transmission throughput in Wireless Sensor Networks(WSNs). In the proposed HMAC, sender nodes send transmission request packets to the receiver nodes using CSMA/CA MAC protocol. And the receiver node assigns slots according to the network topology and the amount of traffics using TDMA. Using HMAC we get the enhanced throughput by lowering the duplicated slot assignment.

본 논문에서는 무선센서 네트워크에서 전송 효율을 높이기 위하여 CSMA/CA 방식과 TDMA 방식을 혼합한 HMAC 프로토콜을 제안한다. 제안된 HMAC에서는 패킷 전송을 원하는 송신 노드가 CSMA/CA 방식을 통하여 수신 노드에게 전송 요청을 하고, 수신 노드에서는 네트워크 토폴로지와 전송되어지는 트래픽 양에 따라 TDMA 방식으로 적절히 슬롯을 할당함으로 여러 수신 노드들 사이에 슬롯 중복 할당으로 인한 충돌을 낮춤으로 전송효율을 높일 수 있다.

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References

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