FIELD: data transmission.
SUBSTANCE: invention relates to data transmission. To achieve the effect, the network side method includes: configuring a plurality of different frequency domain resources, and configuring the same time domain resource for a plurality of different frequency domain resources; and transmitting, through a plurality of different frequency domain resources, the same downlink control signalling with multiple beam directions using one time domain resource.
EFFECT: invention provides the possibility of retransmission of the same downlink control signalling.
20 cl, 11 dwg, 1 tbl
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