FIELD: radio engineering and communications.
SUBSTANCE: invention relates to radio engineering and communication and can be used in data transmission systems using multi-frequency signals with orthogonal frequency division multiplexing for estimating parameters of the communication channel. Technical result is achieved owing to that the proposed method involves measuring the amplitude of a mixture of a signal and noise at frequencies used to transmit an information signal and the amplitude of noise at frequencies unused for a data signal transmission, and using an analytical expression for density of a random value equal to the ratio of the measured values.
EFFECT: providing more accurate determination of parameters of the signal envelope fading model according to the Nakagami law by a multi-frequency information signal in case of presence at the receiving side of an automatic gain control unit; besides, this method does not require a test signal.
1 cl, 1 dwg
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