An efficient power supply system using phase control in 2D communication

  • Authors:

  • Bing Zhang;Azman Osman Lim;Youiti Kado;Hiroto Itai;Hiroyuki Shinoda

  • Affiliations:

  • National Institute of Information Communications Technology, Kyoto, Japan;National Institute of Information Communications Technology, Kyoto, Japan;National Institute of Information Communications Technology, Kyoto, Japan;Cellcross Co. Ltd., Tokyo, Japan;The University of Tokyo, Tokyo, Japan

  • Venue:
  • INSS'09 Proceedings of the 6th international conference on Networked sensing systems
  • Year:
  • 2009

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Abstract

The two-dimensional (2D) communication is a novel physical form of communication that utilizes the surface as a communication medium to provide data communication and power supply services to the devices placed on top of it. In the previous works, we have developed 2D communication systems that allow the devices to simultaneously perform both data and power transmission wherever it is placed on the 2D sheet. Instead of spreading the microwave thoroughly in the thin 2D sheet, we can also concentrate it only on the place where the device is put, by adjusting the phase of the multiple input signals. To largely strengthen the efficiency of power supply in the 2D communication, in this paper, we build up an efficient power supply system by using phase control to converge the microwave on a specific area in the 2D sheet, and evaluate its performance by measuring the output power over the developed 2D communication system.