Preliminary Flight Tests for Stratospheric Platform Systems - mm-Wave Multi-Beam Hone (MBH) Antenna Systems Using Helicopter

Arakaki, Yoshiya; Oodo, Masayuki; Morishita, Yoji; Suzuki, Masatoshi; Ogawa, Takaya

doi:10.2514/6.2003-2270

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“…We have been developing stratospheric-platform wireless communication systems and have carried out a series of experiments using existing aerial vehicles helicopter, jet, and solar-powered aircraft to test the concept behind SPF-based wireless systems [5][6][7][8][9]. We have been particularly interested in the use of millimeter waves in communications because of the wide frequency band for broadband communications [10].…”

Section: Introductionmentioning

confidence: 99%

The Development of Intelligent Beamforming Antenna Systems for Stratospheric Platforms in the Millimeter-Wave Band

Tsuji

Oodo

Suzuki

2005

Wireless Pers Commun

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In this paper, we describe intelligent beamforming antenna systems that can be used in the millimeterwave band for High-altitude platform systems. We have developed two antenna systems for the millimeter-wave band and have designed experiments to test the efficiency of the developed systems. One is a multi-beam-horn antenna that enables high-speed transmission, and the other is an array antenna that digitally controls antenna beams. These antenna systems are also designed to work in the stratosphere. We also describe our solutions to the problems of low temperature and low pressure and show that the two antenna systems can function well in the stratosphere through tests conducted on the ground.

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Section: Introductionmentioning

confidence: 99%