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Publication Detailed Description
Journal Title
IEEE Wireless Communications Letters
Year (definitive publication)
2021
Language
English
Country
United States of America
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Abstract
Wireless energy transfer (WET) is a green enabler of low-power Internet of Things (IoT). Therein, traditional optimization schemes relying on full channel state information (CSI) are often too costly to implement due to excessive energy consumption and high processing complexity. This letter proposes a simple, yet effective, energy beamforming scheme that allows a multi-antenna power beacon (PB) to fairly power a set of IoT devices by only relying on the first-order statistics of the channels. In addition to low complexity, the proposed scheme performs favorably as compared to benchmarking schemes and its performance improves as the number of PB’s antennas increases. Finally, it is shown that further performance improvement can be achieved through proper angular rotations of the PB.
Acknowledgements
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Keywords
WET,Statistical CSI,First-order statistics,Energy beamforming,IoT,Antenna rotation
Fields of Science and Technology Classification
- Electrical Engineering, Electronic Engineering, Information Engineering - Engineering and Technology
Funding Records
| Funding Reference | Funding Entity |
|---|---|
| 307492 | Finnish Funding Agency for Technology and Innovation (TEKES) |
| UIDB/50008/2020 | Fundação para a Ciência e a Tecnologia |
| 319008 | Finnish Funding Agency for Technology andInnovation (TEKES) |
| 318927 | Finnish Funding Agency for Technology andInnovation (TEKES) |
Contributions to the Sustainable Development Goals of the United Nations
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