JAXA's DRTS Space Network Experiment System Overview

Uejima, Hiroko; Tezuka, Y.; Nakahara, T.; Takinomi, Akira; Ichino, Hiroyuki; Wakao, M.; Takeuchi, Hiroaki; Mukai, Tatsuya; Joudoi, Daisuke; Saitoh, Y.; Suzuki, Ken; Satoh, Isao; Shinohara, Koichi; Ohashi, Satoshi

doi:10.2514/6.2007-3111

Cited by 4 publications

(2 citation statements)

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“…TDRS M, the third satellite of the third generation, was launched in August 2017. The Japan Aerospace Exploration Agency (JAXA) commissioned the experimental data relay test satellite (DRTS) in 2002 . Optical and Ka‐band ISLs were verified, including an experiment with a Ka‐band ISL between DRTS and Envisat .…”

Section: Introductionmentioning

confidence: 99%

“…The Japan Aerospace Exploration Agency (JAXA) commissioned the experimental data relay test satellite (DRTS) in 2002. 4 Optical and Ka-band ISLs were verified, including an experiment with a Ka-band ISL between DRTS and Envisat. 5 Both TDRSS and DRTS have steerable Ka-band receive antennas limiting the maximum number of simultaneous ISLs to the number of on-board antennas (plus optical transceivers).…”

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confidence: 99%

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A flexible LEO satellite modem with Ka‐band RF frontend for a data relay satellite system

Katona

Gräßlin

Donner

et al. 2020

Satell Commun Network

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Summary From a geostationary Earth orbit (GEO) satellite's perspective, a low Earth orbit (LEO) satellite is visible on more than half of its orbit. Albeit the free‐space loss of an inter‐satellite link is much higher than the one of a direct ground link, considerable data rates and download volumes can be achieved. In this paper, we describe the system architecture of an integrated approach for a data relay satellite system and the development of LEO satellite and ground station modems. The approach allows serving several small and inexpensive LEO satellites at the same time both with low rate telemetry/telecommand links and with high rate download of sensor data.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%