A prototype system of the MAD-SS wide area sensor network using a weather balloon

Authors:
Norihisa Segawa;Jun Sawamoto;Masato Yazawa;Haruo Tamaki;Hidetoshi Mino;Takaki Hanada;Takeshi Yatsuo
Affiliations:
Iwate Prefectural University, Takizawa, Iwate, Japan;Iwate Prefectural University, Takizawa, Iwate, Japan;Mathematical Assist Design Laboratory, Gunma, Japan;Mathematical Assist Design Laboratory, Gunma, Japan;University of Yamanashi, Kofu, Yamanashi, Japan;Kikyu.org;Kikyu.org
Venue:
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
Year:
2013

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Abstract

In this study, we conducted long-distance radio propagation experiments at 1mW/145 MHz to realize low-power long-distance communication for wildlife research and disaster prevention telemetry [1]. We successfully realized long-distance communications from a weather balloon (elevation: ~14,000 m) with 1 mW radio power. Furthermore, we demonstrated that our method can achieve such long-distance communication at 10 BPS/1mW with battery cell operation in the SSB mode and that the SNR in the SSB bandwidth is better than -10 dB.