FIELD: radio engineering, communication.
SUBSTANCE: invention relates to systems for transmitting and receiving control information, downlink (DCI) in the same cell in order to support communications in a plurality of cells. DCI is transmitted via DCI formats transmitted through the physical channel of the downlink control (PDCCH) in the total search space for the UE (UE-CSS) in a dedicated search space for the UE (UE-DSS). Various UE-DSS defined in one cell for each of a plurality of cells. Each different UE-DSS has the same structure as the conventional UE-DSS, and the location is determined by the same parameters as the conventional location UE-DSS, and the corresponding cell identifier (Cell_ID).
EFFECT: increased bandwidth.
40 cl, 17 dwg
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