FIELD: electrical communication engineering.
SUBSTANCE: invention relates to communication engineering, particularly to receivers for wireless data transmission in energy efficient networks of long range. Invention discloses a system on a chip (CNC) for receiving telemetric information messages over a radio frequency (RF) channel. CNC includes at least one RF module; at least one analogue to digital conversion signal conversion module; at least one digital input signal processing unit for filtering the signal from the RF module and at least one memory unit. CNC also includes at least one computer for performing signal shifts in time and frequency. Computer is designed to process each received with time shift and signal frequency by successive Fourier transforms, wherein the first time element of each next transformation is located immediately after the last previous transformation element. Computer is also designed to receive a signal, during transmission of which a carrier frequency changes, wherein the signal has transmission frequencies lying within at least two processed sections of the spectrum.
EFFECT: technical result consists in expansion of range of communication when transmitting from concentrator to subscriber devices.
9 cl, 4 dwg
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Authors
Dates
2020-11-19—Published
2019-12-19—Filed