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학술대회 Transmission Scheme over MAC for Energy Consumption Reduction in Wireless Sensor Networks based on IEEE 802.15.4
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저자
임선화, 김영일, 이용태, 류원
발행일
201410
출처
International Conference on Information and Communication Technology Convergence (ICTC) 2014, pp.756-759
DOI
https://dx.doi.org/10.1109/ICTC.2014.6983279
초록
Recently, a lot of studies have been done in wireless sensor networks (WSNs) based on IEEE 802.15.4. While a sensor device transmits data to a PAN coordinator via a coordinator, the failure of radio communications may be occurred between a coordinator and a PAN coordinator. A coordinator may conclude that it has been orphaned and then perform the orphan scan procedure which is specified in IEEE 802.15.4. However, because a sensor device does not know the orphaned state of a coordinator, a sensor device transmits data to a coordinator continuously. In this case, the Tx energy of a sensor and Rx energy of a coordinator may be wasted unnecessarily. In this paper, we propose an efficient scheme by which a coordinator rapidly notifies a sensor device that a coordinator can't receive data from a sensor device any longer. Therefore, we can reduce energy consumption required for transmission of a sensor device and reception of a coordinator.
키워드
Coordinator, Data Transmission, Energy consumption reduction, IEEE 802.15.4, Orphan
KSP 제안 키워드
Data transmission, Energy consumption reduction, IEEE 802.15.4, Radio communication, Reduce energy consumption, Sensor device, Transmission scheme, Wireless sensor networks(WSNs)