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Define downlink frequency?
In the sense of a mobile communication: Downlink frequency is that used by a base station to communicate with the Mobile. In satellite communication also the same theory exists downlink is the return path.
What is the down link frequency to earth?
The downlink frequency to Earth, in the context of communication satellites or spacecraft, refers to the frequency at which data is transmitted from the satellite to Earth. The specific frequency used can vary depending on the satellite system and the communication protocol being employed. Generally, downlink frequencies for satellite communication are in the microwave frequency range, typically between 1 to 50 GHz. The choice of downlink frequency is influenced by factors such as transmission range, atmospheric absorption, and regulatory requirements.
What is uplink and downlink?
Uplink and downlink are frequencies Communication from earth station to satellite in uplink and communication from satellite to earth station is downlink Always uplink freq.>downlink freq.
How satellite communication is different from communication relay?
For communication satellites the range is much higher than that of communication relay. Communication Satellite can cover up to several thousands of kilometers. For communication relay, the uplink and the downlink frequency is the same. But for communication satellites the uplink and the downlink frequencies are different in order to avoid interference.
What is uplink frequency?
Uplink frequency is a frequency that goes from the ground to the satellite. Downlink frequency goes from the satellite to the ground.
What is the frequency range in satellite communication?
The satellite transponder typically works in either the C-band (4-8GHz) or the Ku-band (12-18GHz) and these are for the downlink (from the satellite to the earth station).
Why is the up link frequency higher than the down link frequency in satellite communication?
The uplink frequency is higher than the downlink frequency in satellite communication because higher frequencies can carry more information and are less affected by interference and noise. This setup allows for efficient communication between ground stations and satellites, ensuring a reliable transmission of data.
Why two separate frequencies are used for uplink and downlink transimission in case of satellite communication?
In satellite communication, two separate frequencies are used for uplink and downlink transmissions to avoid interference between the signals being sent to and received from the satellite. This frequency separation, known as frequency division duplexing (FDD), allows for simultaneous transmission and reception without signal overlap. Additionally, using different frequencies can help optimize signal quality and reduce the effects of noise, improving overall communication efficiency.
What describes a signal with a frequency of 20GHz in a satellite radio transmissions?
A downlink signal; a Ka Band signal
What describes a signal with a frequency of 20 GHz in satellite radio transmissions?
A downlink signal A Ka Band signal
Where you can get the frequency of bharathtv?
here is the satellite & frequency details of Bhaarath TV ================================================================ SATELLITE: Insat 2E at 83°E DOWNLINK FREQ: 4042 POLARISATION : Vertical SYMBOL RATE: 8000 FEC: 7/8
How do you calculate downlink frequency by uplink?
You would need to know the LO frequency from the satellite. Ex- C-band is 2200Mhz If you UL is 6.0GHz you DL would be 3.8GHz
