SNR of THz links (300GHz and 500GHz)

SNRs of THz links with the following specifications.

Carrier frequency: 300 GHz or 500 GHz  

Antenna gain: 50 dBi (both for the transmitter and receiver). 

Transmission power: 20 dBm.

Noise floor: Thermal noise of 288.15 K .

Bandwidth: 2GHz or 100GHz

Other parameters are based on the following ITU-R recommendations.

[1]     Recommendation ITU-R P.676-11, Attenuation by atmospheric gases and related effects

[2]     Recommendation ITU-R P.835-5, Reference Standard Atmospheres

[3]     Recommendation ITU-R F.699-8, Reference radiation patterns for fixed wireless system antennas for use in coordination studies and interference assessment in the frequency range from 100 MHz to 86 GHz

[4]     Recommendation ITU-R P.838-3, Specific attenuation model for rain for use in prediction methods.