FIELD: physics.
SUBSTANCE: invention relates to wireless communication and can be used for accurate frequency synchronization in a downlink during communication with a base station. User device comprises transceiver, processor and memory. User device may be configured to obtain a demodulation reference signal (DMRS) configuration. Determination of the DMRS configuration on the phase noise phase tracking reference signal (PNT-RS) is determined. Channel is estimated using DMRS configuration. PNT-RS based phase noise is estimated and compensated using channel display and estimation.
EFFECT: technical result is improved receiver characteristics.
93 cl, 13 dwg
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