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Institutional Repository [SANDBOX]
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/938FBC36-8279-4384-9DA6-0EAB678180B7 | ||
| Year | 2021 | ||
| Type of Item | Conference Full Paper | ||
| License |
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| Bibliographic Citation | G. Vougioukas and A. Bletsas, "DoA estimation of a hidden RF source exploiting simple backscatter radio tags," in ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Toronto, ON, Canada, 2021, pp. 4355-4359, doi: 10.1109/ICASSP39728.2021.9414918. https://doi.org/10.1109/ICASSP39728.2021.9414918 | ||
| Appears in Collections |
Conventional direction of arrival (DoA) techniques employ multi-antenna receivers with increased complexity and cost. This work emulates a multi-antenna system using a singleantenna receiver and exploiting the beauty and simplicity of backscatter radio. More specifically, a number of simple backscatter radio tags offer copies of the hidden RF source, relayed in space and shifted in frequency, while requiring minimal time-synchronisation. DoA of a hidden RF source was estimated with an error of less than 5 degrees, exploiting a small number of simple, ultra-low-cost backscattering tags.
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