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

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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SB-MAC : Energy efficient Sink node Based MAC protocol for Wireless Sensor Networks

무선 센서 네트워크 에서 에너지 효율적인 싱크노드 기반 MAC 프로토콜

  • Received : 2013.09.13
  • Accepted : 2013.10.11
  • Published : 2014.01.31
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Abstract

In this paper, we propose an energy efficient sink node based MAC protocol for Wireless Sensor Networks (WSNs). The proposed sink node-based MAC (SB-MAC) protocol uses a RB(rapid beacon) frame to save sender's energy consumption and to reduce transmission delay. The RB frame is a modified IEEE 802.15.4 beacon frame. The RB frame contains the length of the sender nodes data. Using this information other nodes except sender and receiver nodes can be stay sleep mode long time to reduce energy consumption. Results have shown that the SB-MAC protocol outperformed other protocols like X-MAC and RI-MAC in terms of packet delivery delay and energy consumption. The SB-MAC protocol is especially energy efficient for the networks with one sink node and many senders.

본 논문에서는 무선 센서 네트워크에서 에너지 효율적인 싱크노드 기반의 MAC 프로토콜을 제안한다. 본 논문에서 제안되는 싱크 노드 기반 MAC 프로토콜(Sink node-Based MAC: SB-MAC)은 송신자 노드의 에너지 소모를 줄이고 전송 지연을 감소시키기 위해 RB (rapid beacon) 프레임이 사용된다. RB 프레임은 IEEE 802.15.4의 비콘 프레임의 수정된 형태이다. RB 프레임에 포함된 전송 노드의 데이터 길이 정보를 이용하여, 데이터 전송에 참여하지 않는 다른 노드들이 오랫동안 sleep 모드에 머물게 함으로써 에너지 소모를 줄일 수 있다. 이를 통하여 기존의 X-MAC 및 RI-MAC 프로토콜들에 비해 데이터 전송 지연 및 에너지 소모 면에서 더 좋은 성능을 가진다. SB-MAC 프로토콜은 하나의 싱크노드와 다수의 송신 노드들로 구성되어 있는 네트워크 환경에 에너지 효율적인 프로토콜이다.

Keywords

References

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