| 摘要 |
The present invention discloses a downlink control channel transmission method, characterized by comprising: user equipment (UE) receives a first downlink control information (DCI) and a second DCI, wherein, the first DCI and the second DCI are used for jointly indicating scheduling information carried by a downlink control channel; the UE determines the first DCI as a primary DCI and the second DCI as a secondary DCI; and the UE acquires the scheduling information carried by the downlink control channel according to the primary DCI and the secondary DCI. Also disclosed in the present invention are a communication device and a system. According to the solution provided by the present invention, the transmission of the downlink control channel corresponding to an extended resource is indicated, and the backward compatibility of the control channel is ensured. |
