Ask
Login
0
1.4kviews
Why is the uplink is more than downlink frequency in satellite communication ?
written 5.3 years ago by gravatar for teamques10 teamques10 ★ 64k •   modified 4.1 years ago
advanced communication system
ADD COMMENT EDIT
1 Answer
0
121views
written 5.2 years ago by gravatar for teamques10 teamques10 ★ 64k •   modified 5.2 years ago
  • The uplink frequency is the frequency which is used for transmission of signals from earth station transmitter to the satellite.
  • At higher frequency attenuation is more hence more power will be required for signal transmission to ensure that it reaches the destination with the required minimum power.
  • Higher power requirements involve the use of high power amplifiers with high ratings and heat sinks.
  • This will increase the weight and power supply ratings will not make any difference.
  • However for the satellite this will result in higher power consumption, which results in avoidable inefficiency.
ADD COMMENT EDIT
Please log in to add an answer.