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题名:
distributed fusion method under imperfect channel in wireless sensor networks
作者: Xu Fan Jiang ; Li Zhi Tang ; Li Wei Ming
答辩日期: 2009
关键词: Communication ; Estimation ; Mobile computing ; Random processes ; Sensor networks ; Sensor nodes ; Telecommunication equipment ; Wireless telecommunication systems
部门归属: (1) School of Computer, Huazhong University of Science and Technology, Wuhan, 430074, China; (2) Institute of Software, Chinese Academy of Sciences, Beijing 100080, China
英文摘要: Wireless Sensor Networks have been widely developed in modern surveillance systems since its complementary and overlapping coverage on targets. In order to track and estimate the path of target, the sensor data should to be fused. However, the information fusion performance is influenced largely due to the presence of disruptions and delays in communication channels between sensor nodes which are not sufficiently solved until now. A stochastic estimation function is proposed in this paper to predict the fusion performance by adopting the effects of network connectivity and message delay into the fusion equations. Compared with the traditional deterministic estimation function, the final equations produced by the method consist of some prior parameters which can be determined according to the specific communication environment where the sensor networks are deployed. The simulation results have shown that the stochastic method can reduce the fusion time markedly in addition to provide good estimation capabilities. © 2009 IEEE.
内容类型: 学位论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8428
Appears in Collections:综合信息系统技术国家级重点实验室 _学位论文

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Recommended Citation:
Xu Fan Jiang,Li Zhi Tang,Li Wei Ming. distributed fusion method under imperfect channel in wireless sensor networks[D]. 2009-01-01.
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