FIELD: radio engineering, communication.
SUBSTANCE: invention relates to radio communication engineering and can be used in data transmission systems for estimating link quality. A method of estimating a signal-to-noise ratio (SNR) using phase-modulated signals is based on restoring the probability density function of a random value, the parameter of which is a SNR, and estimating said parameter based on signal amplitude statistics, corresponding to the unit interval, available for measurement when receiving a useful information signal.
EFFECT: method enables to obtain a SNR estimate with continuous transmission of useful information and does not require introduction of redundancy or use of test signals.
2 dwg
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