On-Site Wireless Power Generation

Y. Ra'di, B. Chowkwale, C. A. Valagiannopoulos, F. Liu, A. Alu, C. R. Simovski, S. A. Tretyakov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Conventional wireless power transfer systems consist of a microwave power generator and a microwave power receiver separated by some distance. To realize efficient power transfer, the system is typically brought to resonance, and the coupled-antenna mode is optimized to reduce radiation into the surrounding space. In this scheme, any modification of the receiver position or of its electromagnetic properties results in the necessity of dynamically tuning the whole system to restore the resonant matching condition. It implies poor robustness to the receiver location and load impedance, as well as additional energy consumption in the control network. In this study, we introduce a new paradigm for wireless power delivery based on which the whole system, including transmitter and receiver and the space in between, forms a unified microwave power generator. In our proposed scenario the load itself becomes part of the generator. Microwave oscillations are created directly at the receiver location, eliminating the need for dynamical tuning of the system within the range of the self-oscillation regime. The proposed concept has relevant connections with the recent interest in parity-time symmetric systems, in which balanced loss and gain distributions enable unusual electromagnetic responses.

Original languageEnglish
JournalIEEE Transactions on Antennas and Propagation
DOIs
Publication statusAccepted/In press - May 11 2018

Fingerprint

Power generation
Microwaves
Tuning
Transmitters
Energy utilization
Antennas
Radiation

Keywords

  • Generators
  • Microwave antennas
  • Microwave circuits
  • Microwave oscillators
  • parity-time symmetry reflection
  • Receivers
  • Resistance
  • resonance
  • transmission
  • Wireless communication
  • Wireless power transfer

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Ra'di, Y., Chowkwale, B., Valagiannopoulos, C. A., Liu, F., Alu, A., Simovski, C. R., & Tretyakov, S. A. (Accepted/In press). On-Site Wireless Power Generation. IEEE Transactions on Antennas and Propagation. https://doi.org/10.1109/TAP.2018.2835560

On-Site Wireless Power Generation. / Ra'di, Y.; Chowkwale, B.; Valagiannopoulos, C. A.; Liu, F.; Alu, A.; Simovski, C. R.; Tretyakov, S. A.

In: IEEE Transactions on Antennas and Propagation, 11.05.2018.

Research output: Contribution to journalArticle

Ra'di, Y. ; Chowkwale, B. ; Valagiannopoulos, C. A. ; Liu, F. ; Alu, A. ; Simovski, C. R. ; Tretyakov, S. A. / On-Site Wireless Power Generation. In: IEEE Transactions on Antennas and Propagation. 2018.
@article{acb195f0361046d3b4ea5037dd8cbcdc,
title = "On-Site Wireless Power Generation",
abstract = "Conventional wireless power transfer systems consist of a microwave power generator and a microwave power receiver separated by some distance. To realize efficient power transfer, the system is typically brought to resonance, and the coupled-antenna mode is optimized to reduce radiation into the surrounding space. In this scheme, any modification of the receiver position or of its electromagnetic properties results in the necessity of dynamically tuning the whole system to restore the resonant matching condition. It implies poor robustness to the receiver location and load impedance, as well as additional energy consumption in the control network. In this study, we introduce a new paradigm for wireless power delivery based on which the whole system, including transmitter and receiver and the space in between, forms a unified microwave power generator. In our proposed scenario the load itself becomes part of the generator. Microwave oscillations are created directly at the receiver location, eliminating the need for dynamical tuning of the system within the range of the self-oscillation regime. The proposed concept has relevant connections with the recent interest in parity-time symmetric systems, in which balanced loss and gain distributions enable unusual electromagnetic responses.",
keywords = "Generators, Microwave antennas, Microwave circuits, Microwave oscillators, parity-time symmetry reflection, Receivers, Resistance, resonance, transmission, Wireless communication, Wireless power transfer",
author = "Y. Ra'di and B. Chowkwale and Valagiannopoulos, {C. A.} and F. Liu and A. Alu and Simovski, {C. R.} and Tretyakov, {S. A.}",
year = "2018",
month = "5",
day = "11",
doi = "10.1109/TAP.2018.2835560",
language = "English",
journal = "IEEE Transactions on Antennas and Propagation",
issn = "0018-926X",
publisher = "Institute of Electrical and Electronics Engineers Inc.",

}

TY - JOUR

T1 - On-Site Wireless Power Generation

AU - Ra'di, Y.

AU - Chowkwale, B.

AU - Valagiannopoulos, C. A.

AU - Liu, F.

AU - Alu, A.

AU - Simovski, C. R.

AU - Tretyakov, S. A.

PY - 2018/5/11

Y1 - 2018/5/11

N2 - Conventional wireless power transfer systems consist of a microwave power generator and a microwave power receiver separated by some distance. To realize efficient power transfer, the system is typically brought to resonance, and the coupled-antenna mode is optimized to reduce radiation into the surrounding space. In this scheme, any modification of the receiver position or of its electromagnetic properties results in the necessity of dynamically tuning the whole system to restore the resonant matching condition. It implies poor robustness to the receiver location and load impedance, as well as additional energy consumption in the control network. In this study, we introduce a new paradigm for wireless power delivery based on which the whole system, including transmitter and receiver and the space in between, forms a unified microwave power generator. In our proposed scenario the load itself becomes part of the generator. Microwave oscillations are created directly at the receiver location, eliminating the need for dynamical tuning of the system within the range of the self-oscillation regime. The proposed concept has relevant connections with the recent interest in parity-time symmetric systems, in which balanced loss and gain distributions enable unusual electromagnetic responses.

AB - Conventional wireless power transfer systems consist of a microwave power generator and a microwave power receiver separated by some distance. To realize efficient power transfer, the system is typically brought to resonance, and the coupled-antenna mode is optimized to reduce radiation into the surrounding space. In this scheme, any modification of the receiver position or of its electromagnetic properties results in the necessity of dynamically tuning the whole system to restore the resonant matching condition. It implies poor robustness to the receiver location and load impedance, as well as additional energy consumption in the control network. In this study, we introduce a new paradigm for wireless power delivery based on which the whole system, including transmitter and receiver and the space in between, forms a unified microwave power generator. In our proposed scenario the load itself becomes part of the generator. Microwave oscillations are created directly at the receiver location, eliminating the need for dynamical tuning of the system within the range of the self-oscillation regime. The proposed concept has relevant connections with the recent interest in parity-time symmetric systems, in which balanced loss and gain distributions enable unusual electromagnetic responses.

KW - Generators

KW - Microwave antennas

KW - Microwave circuits

KW - Microwave oscillators

KW - parity-time symmetry reflection

KW - Receivers

KW - Resistance

KW - resonance

KW - transmission

KW - Wireless communication

KW - Wireless power transfer

UR - http://www.scopus.com/inward/record.url?scp=85046822188&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85046822188&partnerID=8YFLogxK

U2 - 10.1109/TAP.2018.2835560

DO - 10.1109/TAP.2018.2835560

M3 - Article

AN - SCOPUS:85046822188

JO - IEEE Transactions on Antennas and Propagation

JF - IEEE Transactions on Antennas and Propagation

SN - 0018-926X

ER -