An overview on wireless sensor networks technology and evolution.

An overview on wireless sensor networks technology and evolution.
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DOI:
10.3390/s90906869
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发表时间:
2009
期刊:
Sensors (Basel, Switzerland)
影响因子:
--
通讯作者:
Verdone R
Verdone R
中科院分区:
其他
文献类型:
--
作者:
Buratti C;Conti A;Dardari D;Verdone R

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无线传感器网络(WSNs)使新的应用,并要求非传统的范例,由于一些限制的协议设计。由于对低器件复杂性以及低能耗的要求(即,网络寿命长),必须在通信和信号/数据处理能力之间找到一个适当的平衡。这激发了过去十年来在该领域的研究活动、标准化过程和工业投资方面的巨大努力。本文综述了无线传感器网络技术、主要应用和标准、无线传感器网络设计的特点以及发展趋势。特别是,一些特殊的应用程序,如环境监测的基础上,进行了讨论,并强调设计策略;一个真实的实施的基础上的案例研究也报告。跟踪趋势和可能的演变。重点是IEEE 802.15.4技术,它使许多应用的无线传感器网络。基于802.15.4的网络的性能特征的一些例子示出和讨论的WSN的大小和节点之间交换的数据类型的函数。
Wireless sensor networks (WSNs) enable new applications and require non-conventional paradigms for protocol design due to several constraints. Owing to the requirement for low device complexity together with low energy consumption (i.e., long network lifetime), a proper balance between communication and signal/data processing capabilities must be found. This motivates a huge effort in research activities, standardization process, and industrial investments on this field since the last decade. This survey paper aims at reporting an overview of WSNs technologies, main applications and standards, features in WSNs design, and evolutions. In particular, some peculiar applications, such as those based on environmental monitoring, are discussed and design strategies highlighted; a case study based on a real implementation is also reported. Trends and possible evolutions are traced. Emphasis is given to the IEEE 802.15.4 technology, which enables many applications of WSNs. Some example of performance characteristics of 802.15.4-based networks are shown and discussed as a function of the size of the WSN and the data type to be exchanged among nodes.
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