Performance Test for the SIGMA Communication System

Performance Test for the SIGMA Communication System

Scientific CubeSat with Instruments for Global Magnetic Fields and Radiations (SIGMA) is a 3-U size CubeSat that will be operated in low earth orbit (LEO). The SIGMA communication system uses a very high frequency (VHF) band for uplink and an ultra high frequency (UHF) band for downlink. Both freque...

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Veröffentlicht in:Journal of astronomy and space sciences 2016, Vol.33 (4), p.335-344
Hauptverfasser: Jeong, Seonyeong, Lee, Hyojeong, Lee, Seongwhan, Shin, Jehyuck, Lee, Jungkyu, Jin, Ho
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container_end_page 344
container_issue 4
container_start_page 335
container_title Journal of astronomy and space sciences
container_volume 33
creator Jeong, Seonyeong
Lee, Hyojeong
Lee, Seongwhan
Shin, Jehyuck
Lee, Jungkyu
Jin, Ho
description Scientific CubeSat with Instruments for Global Magnetic Fields and Radiations (SIGMA) is a 3-U size CubeSat that will be operated in low earth orbit (LEO). The SIGMA communication system uses a very high frequency (VHF) band for uplink and an ultra high frequency (UHF) band for downlink. Both frequencies belong to an amateur band. The ground station that communicates with SIGMA is located at Kyung Hee Astronomical Observatory (KHAO). For reliable communication, we carried out a laboratory (LAB) test and far-field tests between the CubeSat and a ground station. In the field test, we considered test parameters such as attenuation, antenna deployment, CubeSat body attitude, and Doppler frequency shift in transmitting commands and receiving data. In this paper, we present a communication performance test of SIGMA, a link budget analysis, and a field test process. We also compare the link budget with the field test results of transmitting commands and receiving data.
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title Performance Test for the SIGMA Communication System
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