Dynamic quantizer design for hidden Markov state estimation via multiple sensors with fusion center feedback

被引:29
作者
Huang, Minyi [1 ]
Dey, Subhrakanti [1 ]
机构
[1] Univ Melbourne, Dept Elect & Elect Engn, Parkville, Vic 3010, Australia
基金
澳大利亚研究理事会;
关键词
dynamic programming equation; dynamic quantization; hidden Markov models; sensor networks; state estimation;
D O I
10.1109/TSP.2006.874809
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper considers the state estimation of hidden Markov models by sensor networks. The objective is to minimize the long term average of the mean square estimation error for the underlying finite state Markov chain. By employing feedback from the fusion center, a dynamic quantization scheme for the sensor nodes is proposed and analyzed by a stochastic control approach. Dynamic rate allocation is also considered when the sensor nodes generate mode dependent measurements.
引用
收藏
页码:2887 / 2896
页数:10
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