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Power versus stabilization for laser satellite communication.

S Arnon1

  • 1Department of Electrical and Computer Engineering, Ben Gurion University of the Negev, Post Office Box 653, Beer Sheva 84105, Israel. shlomi@lids.mit.edu

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Summary
This summary is machine-generated.

Satellite vibrations disrupt optical communication by increasing bit error rate (BER). This study derives adaptive transmitter power to maintain constant BER, crucial for high-quality satellite networks.

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Area of Science:

  • Optical communication
  • Satellite systems engineering
  • Signal processing

Background:

  • Satellite pointing and tracking systems are essential for optical communication alignment.
  • Vibrations from various sources (thrusters, mechanisms, noise) degrade link performance by increasing bit error rate (BER).
  • Maintaining a consistent BER is vital for future high-quality-of-service satellite communication networks.

Purpose of the Study:

  • To develop an adaptive transmitter power control method for heterodyne laser satellite links.
  • To compensate for the detrimental effects of vibrations on optical communication link performance.
  • To ensure constant bit error rate (BER) despite varying vibration amplitudes.

Main Methods:

  • Derivation of an analytical expression for adaptive transmitter power.
  • Modeling of vibration effects on heterodyne laser satellite communication.
  • Simulation of a two-low-Earth-orbit satellite communication link scenario.

Main Results:

  • The proposed adaptive power compensation effectively maintains a constant BER under vibration.
  • An almost exponential increase in required transmitter power is observed for a linear increase in vibration amplitude.
  • The derived expression enables BER performance stabilization in the presence of dynamic satellite vibrations.

Conclusions:

  • Adaptive transmitter power control is a viable strategy to mitigate vibration-induced BER degradation in satellite optical links.
  • The findings highlight the significant power requirements to maintain communication quality as vibration levels increase.
  • This research contributes to ensuring reliable and high-quality communication services in future satellite networks.