MITRIS SYSTEM WITH COMBINED QUADRATURE-AMPLITUDE AND FREQUENCY MODULATION
DOI:
https://doi.org/10.20535/2411-2976.12011.%25pAbstract
The telecast and Internet distribution system, which use combined two-level modulation and intended for digital information transfer in frequency band 11,7─12,5 GHz was created on a base of the existing microwave integrated telecommunication system MІTRІS. In comparison with telecommunication system using 64-QAM modulation with one carrier, new system has significantly better power engineering, less hard requirements to the frequency stability, to the phase noise level and to the linearity of the amplitude-frequency and phase-frequency characteristics of communication channel.
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