FIELD: communication technique.
SUBSTANCE: invention relates to methods, devices and systems for communication between a base station (BS) and user equipment (UE), which enable time-domain channel estimation limiting for downlink transmission. Method for communication with user equipment implemented by a base station comprises: setting possible values of time interval parameter of channel estimation performed by UE using a demodulation reference signal (DMRS) for receiving a physical downlink shared channel (PDSCH), within which absence of change of precoder applied to PDSCH transmission is expected, and, using the downlink control information (DCI) signalling, transmitting to the UE an indication of the scheduled PDSCH transmission and an indication of the parameter to be applied of the possible parameter values; and performing scheduled PDSCH transmission to UE.
EFFECT: enabling a base station to allocate time domain resources more flexibly without adversely affecting the demodulation procedure at the user side.
35 cl, 12 dwg, 3 tbl
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