Energy efficient in-network RFID data filtering scheme in wireless sensor networks.

Energy efficient in-network RFID data filtering scheme in wireless sensor networks.
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DOI:
10.3390/s110707004
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发表时间:
2011
期刊:
Sensors (Basel, Switzerland)
影响因子:
--
通讯作者:
Park MS
Park MS
中科院分区:
其他
文献类型:
--
作者:
Bashir AK;Lim SJ;Hussain CS;Park MS

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射频识别(RFID)和无线传感器网络是普适环境下的骨干技术。在RFID与无线传感器网络的集成中,RFID数据使用无线传感器网络协议进行多跳通信。能量是无线传感器网络中的关键问题;然而,RFID数据包含大量重复。这些重复可以在基站处被消除,但是在网络内仍然发生重复数据的不必要的传输,这消耗节点的能量并且影响网络寿命。在本文中,我们提出了一个网络中的RFID数据过滤方案,有效地消除重复数据。为此,我们使用了一个集群机制,其中簇头消除重复数据和转发过滤后的数据向基站。仿真结果证明,我们的方法节省了大量的能源方面的通信和计算成本,相比现有的过滤方案。
RFID (Radio frequency identification) and wireless sensor networks are backbone technologies for pervasive environments. In integration of RFID and WSN, RFID data uses WSN protocols for multi-hop communications. Energy is a critical issue in WSNs; however, RFID data contains a lot of duplication. These duplications can be eliminated at the base station, but unnecessary transmissions of duplicate data within the network still occurs, which consumes nodes’ energy and affects network lifetime. In this paper, we propose an in-network RFID data filtering scheme that efficiently eliminates the duplicate data. For this we use a clustering mechanism where cluster heads eliminate duplicate data and forward filtered data towards the base station. Simulation results prove that our approach saves considerable amounts of energy in terms of communication and computational cost, compared to existing filtering schemes.
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