An applicable 5.8 GHz wireless power transmission system with rough beamforming to Project Loon | Zendy

Chang-Jun Ahn | Zendy

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An applicable 5.8 GHz wireless power transmission system with rough beamforming to Project Loon

Author(s) -

Chang-Jun Ahn

Publication year - 2016

Publication title -

ict express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.733

H-Index - 22

ISSN - 2405-9595

DOI - 10.1016/j.icte.2016.02.011

Subject(s) - beamforming , antenna (radio) , transmission (telecommunications) , telecommunications , transmitter power output , wireless , electronic engineering , computer science , antenna array , electrical engineering , wsdma , phased array , engineering , mimo , precoding , transmitter , channel (broadcasting)

In recent, Google proposed the Project Loon being developed with the mission of providing internet access to rural and remote areas using high-altitude balloons. In this paper, we describe an applicable prototype of 5.8 GHz wireless power transmission system with rough beamforming method to Project Loon. From the measurement results, transmit beamforming phased array antenna can transmit power more efficiently compared to a horn antenna and array antenna without beamforming with increasing the transmission distance. For the transmission distance of 1000 mm, transmit beamforming phased array antenna can obtain higher received power about 1.46 times compared to array antenna without transmit beamforming

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