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| Content Provider | IET Digital Library |
|---|---|
| Author | Yan, Sen Soh, Ping Jack Mercuri, Marco Schreurs, Dominique M. M. P. Vandenbosch, Guy A. E. |
| Abstract | A dual-band antenna is designed for a fall-detection radar and telemetry system. The radar is designed based on the stepped frequency continuous wave (SFCW) concept, which requires Ultra Wideband (UWB) operation, low inter-element coupling and a directive radiation pattern with low backlobe. The telemetry system uses the 2.45 GHz band to enable signal transmission/reception in an indoor environment and the 6–7.5 GHz band for radar sensing part. A main dual-band radiator with a slotted patch is used as the basis for the antenna design: the patch resonates at 2.45 GHz whereas the antenna slot enables a wide band operation for the radar system. To enable a low-profile, an artificial magnetic conductor (AMC) structure is integrated into the antenna. It works as a perfect magnetic conductor (PMC) plane from 6 to 7.5 GHz and can be located close to the slot antenna functioning as a reflector. Both numerical and experimental results indicate a satisfactory antenna performance in terms of reflection coefficient and radiation pattern. The antenna was also integrated into the radar system and tested in a real environment on three subjects at fixed distances. A fall-detection up to 6 meters was achieved. |
| Starting Page | 184 |
| Ending Page | 190 |
| Page Count | 7 |
| ISSN | 17518784 |
| Volume Number | 9 |
| e-ISSN | 17518792 |
| Issue Number | Issue 2, Feb (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rsn/9/2 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2014.0202 |
| Journal | IET Radar, Sonar & Navigation |
| Publisher Date | 2015-01-13 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Antenna Radiation Pattern Artificial Magnetic Conductor Biomedical Communication Biomedical Imaging/measurement Biomedical Telemetry CW Radar Directive Antenna Directive Radiation Pattern Dual-band Radiator Fall-detection Radar Frequency 2.45 GHz Frequency 6 GHz to 7.5 GHz Front-to-back Ratio Indoor Radar System Low Profile Dual-band Antenna Microstrip Antenna MicroWave And Other Electromagnetic Wave Multifrequency Antenna Radar Antenna Radar Equipment Radar Sensing Radio Link And Equipment Radiotelemetry Reflection Coefficient Reflector Antenna SFCW Radar Signal Reception Signal Transmission Single Antenna Slot Antenna Slotted Patch Antenna Stepped Frequency Continuous Wave Radar System And Application Telemetry Telemetry System UHF Antenna Ultra Wideband Antenna Ultra Wideband Operation Ultra Wideband Radar UWB Operation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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