FIELD: information technology.;SUBSTANCE: invention relates to communication system and the method comprises the steps of: numbering the plurality of extended PUCCH resources for the ACK/NACK, wherein each of the plurality of extended PUCCH resources corresponds to one user equipment; numbering the eCCEs used by all the EPDCCHs; numbering the eCCEs used by all the EPDCCHs; sharing with the user equipment the linkage and information associated with the numbering of the extended PUCCH resources; transmitting number information associated with the eCCEs to the user equipment.;EFFECT: faster data transmission in a network is provided.;16 cl, 4 dwg
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