Volume 34 Issue 4
Jul.  2014
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Xiong Weiming, Cheng Xin, Ye Yunshang, Yao Ye. Payload Data Transmission Link Design for the Satellite with Attitude of Inertial Space Orientation[J]. Journal of Space Science, 2014, 34(4): 483-488. doi: 10.11728/cjss2014.04.483
Citation: Xiong Weiming, Cheng Xin, Ye Yunshang, Yao Ye. Payload Data Transmission Link Design for the Satellite with Attitude of Inertial Space Orientation[J]. Journal of Space Science, 2014, 34(4): 483-488. doi: 10.11728/cjss2014.04.483

Payload Data Transmission Link Design for the Satellite with Attitude of Inertial Space Orientation

doi: 10.11728/cjss2014.04.483
  • Received Date: 2013-09-10
  • Rev Recd Date: 2014-03-19
  • Publish Date: 2014-07-15
  • Satellites whose attitude is inertial space orientation cannot keep the transmitting antenna beam accurately pointing to the ground stations when the data transmitting device in the satellite is working. As a result, a new technical challenge of transmitting the payload data from the satellite to the ground stations in a high speed is brought forward. In this paper, a method using the transmitting antenna whose beam has proper width and pointing direction to resolve the problem is dedicated. For this aim, by simulating the satellite orbit with STK software, variation of the relative attitude of such satellites to the ground stations, as well as comparison on the data transmission time from the satellite to the ground stations at different beam width of the transmitting antenna, are researched. The key research is to develop an antenna whose gain is 0dBi in 140° angle of beam, and the link is designed to ensure a sufficient margin at the transmission rate of 85Mbit·s-1. As a result, under the constraint of space avionics miniaturization (10kg of mass, 80W of power consumption), the miniaturized antenna with wide beam and the solid-state power amplifier are designed to solve the problem of payload data transmission of satellites whose attitude is inertial space orientation.

     

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