FIELD: communication equipment.
SUBSTANCE: invention relates to communication. Data transmission method comprises receiving information transmitted by a destination node by a relay node relative to the SCMA code table for use by this relay node, and receiving two or more source signals transmitted by two or more source nodes; network coding of the received two or more source signals; performing mapping of the SCMA code table to a signal obtained after network coding in order to obtain at least two modulation symbols; and transmitting to the destination node at least two of these modulation symbols obtained after displaying the SCMA.
EFFECT: technical result of the invention consists in improvement of transmissions efficiency.
15 cl, 12 dwg
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