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| Content Provider | IET Digital Library |
|---|---|
| Author | Wang, Kai Liu, Yulin Wan, Qun Jing, Xiaojun |
| Abstract | A novel Compressed sensing (CS) method based on two-dimensional measurements is proposed that can be effectively utilized in Impulse radio ultra-wideband wireless sensor networks (IR-UWB WSNs) to significantly reduce the energy consumption and sampling rate in sensor data transferring.We start by establishing the CS measurement model by taking both spatial and temporal correlations of Wireless sensor network (WSN) data into account. Since our model incorporates a new type of measurement matrix: the block quasi-Toeplitz structured matrix, we derive the Restricted isometry property (RIP) of the block quasi-Toeplitz structured matrix to ensure the performance of the two-dimensional recovery of WSNs data. We substantiate our mathematical analysis by numerical examples in the context of ideal spares vector and realWSN data, and results demonstrate that the approach achieves significantly saving of energy and sampling rate with small reconstruction error. |
| Starting Page | 627 |
| Ending Page | 632 |
| Page Count | 6 |
| ISSN | 10224653 |
| Volume Number | 24 |
| e-ISSN | 20755597 |
| Issue Number | Issue 3, Jul (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/cje/24/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/cje.2015.07.032 |
| Journal | Chinese Journal of Electronics |
| Publisher Date | 2015-07-01 |
| Access Restriction | Open |
| Rights Holder | © Chinese Institute of Electronics |
| Subject Keyword | Algebra Block QuasiToeplitz Structured Matrix Compressed Sensing Compressed Sensing Method Correlation Theory Energy Consumption Reduction Ideal Spares Vector Impulse Radio Ultrawideband Wireless Sensor Network IR-UWB WSN Data Mathematical Analysis Restricted Isometry Property RIP Sampling Rate Signal Processing And Detection Spatial Correlation Temporal Correlation Toeplitz Matrix Two-dimensional Measurement Ultra Wideband Communication Wireless Sensor Network |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Mathematics Electrical and Electronic Engineering |
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