A link budget provides a detailed analysis of the power budget, accounting for the gains and losses at each stage of the transmission path and hence determines whether a communications link will perform successfully or not.

Link budget guides engineers in designing communication systems where the transmitted power, antenna gains, receiver sensitivity, and other parameters are appropriately chosen for reliable communication. Link budget accounts for all gains and losses to provide a quantitative assessment of the system’s performance, helping engineers estimate the achievable data rates, coverage range, and signal quality.

Link budgets also help ensure compliance with regulatory standards, such as maximum permissible transmit power levels, interference limits, and signal quality requirements.

Related Resources:
- Get Started with Satellite Link Budget Analyzer App: https://bit.ly/47R5DGy
- Satellite Link Budget Analyzer: https://bit.ly/47NsFye
- Optical Satellite Communication Link Budget Analysis: https://bit.ly/47PJbO4
- RF Propagation and Channel Models: https://bit.ly/3UeAXfp

Chapters:
00:00 ​Introduction
00:20 ​What is a link budget?
01:11 Agenda
01:38 ​Satellite Link Budget Analyzer App
02:00 ​App walkthrough
04:06 ​P.618 losses
04:50 Earth-space propagation losses
05:26 Gaseous attenuation
06:08 ​Optical Satellite Communication Link Budget Analysis
07:37 ​Next Steps and Conclusion

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