What Is the Difference Between Uplink and Downlink?
In Satellite Telecommunication, a Downlink Is the Link from a Satellite Down to One or More Ground Stations or Receivers, and an Uplink Is the Link from a...
In satellite telecommunication, a downlink is the link from a satellite down to one or more ground stations or receivers, and an uplink is the link from a ground station up to a satellite. Some companies sell uplink and downlink services to television stations, corporations, and to other telecommunication carriers.
The frequency with which, the signal is sent into the space is called as Uplink frequency. Similarly, the frequency with which, the signal is sent by the transponder is called as Downlink frequency. Uplink frequency is the frequency at which, the first earth station is communicating with satellite.
Why is uplink higher than downlink?
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In satellite communication, the uplink frequency is higher than the downlink frequency because the attenuation level increase with an increase in frequency. The power at the ground station (Base Station) is more than compared to the power available at the satellite.
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