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Wi-fi backscatter: internet connectivity for RF-powered devices
Abstract
RF-powered computers are small devices that compute and communicate using only the power that they harvest from RF signals. While existing technologies have harvested power from ambient RF sources (e.g., TV broadcasts), they require a dedicated gateway (like an RFID reader) for Internet connectivity. We present Wi-Fi Backscatter, a novel communication system that bridges RF-powered devices with the Internet. Specifically, we show that it is possible to reuse existing Wi-Fi infrastructure to provide Internet connectivity to RF-powered devices. To show Wi-Fi Backscatter's feasibility, we build a hardware prototype and demonstrate the first communication link between an RF-powered device and commodity Wi-Fi devices. We use off-the-shelf Wi-Fi devices including Intel Wi-Fi cards, Linksys Routers, and our organization's Wi-Fi infrastructure, and achieve communication rates of up to 1 kbps and ranges of up to 2.1 meters. We believe that this new capability can pave the way for the rapid deployment and adoption of RF-powered devices and achieve ubiquitous connectivity via nearby mobile devices that are Wi-Fi enabled.
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Cited by
Understanding and Modeling of WiFi Signal Based Human Activity Recognition
Wang, W., Liu, A. X., Shahzad, M., Ling, K., & Lu, S. (2015) · Proceedings of the 21st Annual International Conference on Mobile Computing and Networking · doi:10.1145/2789168.2790093 · Cited by 1,110
Ambient Backscatter Communications: A Contemporary Survey
Van Huynh, N., Hoang, D. T., Lu, X., Niyato, D., Wang, P., & Kim, D. I. (2018) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2018.2841964 · Cited by 932
Inter-Technology Backscatter: Towards Internet Connectivity for Implanted Devices
Iyer, V., Talla, V., Kellogg, B., Gollakota, S., & Smith, J. (2016) · Proceedings of the 2016 ACM SIGCOMM Conference · doi:10.1145/2934872.2934894 · Cited by 367
Self-citationBackFi: High Throughput WiFi Backscatter
Bharadia, D., Joshi, K. R., Kotaru, M., & Katti, S. (2015) · Proceedings of the 2015 ACM Conference on Special Interest Group on Data Communication · doi:10.1145/2785956.2787490 · Cited by 337
Cloud-Aided Cognitive Ambient Backscatter Wireless Sensor Networks
Darsena, D., Gelli, G., & Verde, F. (2019) · IEEE Access · doi:10.1109/access.2019.2914001 · Cited by 36
Metadata
- Authors
- Kellogg, B., Parks, A., Gollakota, S., Smith, J. R., & Wetherall, D.
- Venue
- Proceedings of the 2014 ACM conference on SIGCOMM
- Publisher
- ACM
- Published
- 2014-08-17
- Pages
- 607-618
- OpenAlex
- W2109520672
- Cited by
- 568
- References
- 0
- FWCI
- 54.04
- Type
- conference paper
- Language
- en
- Open access
- closed
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- Kellogg, B., Parks, A., Gollakota, S., Smith, J. R., & Wetherall, D. (2014). Wi-fi backscatter: internet connectivity for RF-powered devices. Proceedings of the 2014 ACM conference on SIGCOMM. https://doi.org/10.1145/2619239.2626319
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