FIELD: communication equipment.
SUBSTANCE: invention relates to communication engineering and can be used in communication systems. Network node includes a processing circuit configured to: select a first set and a second set of reference signal resources in a subframe and aggregate a first set and a second set of reference signal resources in a subframe to form code division multiplexing (CDM) aggregation configuration. First set and the second set of reference signal resources in the subframe satisfy the time criterion such that any two resource elements in the first set and the second set of reference signal resources have up to maximum time division of the six OFDM symbols. First set and the second set of reference signal resources in the subframe satisfy the frequency criterion so that any two resource elements in the first set and second set of reference signal resources have up to maximum frequency division of six subcarriers.
EFFECT: technical result is increased transmission channel capacity.
56 cl, 22 dwg, 9 tbl
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