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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xiaojing Shen Yunmin Zhu Zhisheng You |
| Copyright Year | 2010 |
| Description | Author affiliation: Department of Mathematics, Sichuan University, Chengdu, 610064, China (Xiaojing Shen; Yunmin Zhu) || College of Computer Science, Sichuan University, Chengdu, 610064, China (Zhisheng You) |
| Abstract | In this paper, we consider the design problem of optimal sensor quantization rules (quantizers) and an optimal linear estimation fusion rule in bandwidth-constrained decentralized random signal estimation fusion systems. First, we derive a fixed point type necessary condition for both optimal sensor quantization rules and an optimal linear estimation fusion rule, which character the structure of the optimal solutions-a fixed point of a integral operation of sensor quantization rules and a linear estimation fusion rule. To facilitate computer implementation, we also present the discretized necessary condition for the both. Then, we can motivate an iterative Gauss-Seidel algorithm to simultaneously search for both optimal sensor quantization rules and an optimal linear estimation fusion rule. We then prove that the algorithm converges to an optimal solution of sensor quantization rules and a linear estimation fusion rule in the discretized scheme after a finite number of iterations. Finally, several numerical examples demonstrate the efficiency of our method, and provide some reasonable and meaningful observations how the estimation performance is influenced by the observation noise power and numbers of sensors or quantization levels. |
| Starting Page | 433 |
| Ending Page | 438 |
| File Size | 508513 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424470471 |
| e-ISBN | 9781424470501 |
| DOI | 10.1109/ICICIP.2010.5565321 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-08-13 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Algorithm design and analysis Noise Estimation Signal processing algorithms Bandwidth Quantization Nickel |
| Content Type | Text |
| Resource Type | Article |
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