DCI transmission method and apparatus, and communication device and storage medium

1 . A method for transmitting downlink control information (DCI), comprising:

receiving, by a terminal, configuration information of a DCI, wherein the configuration information comprises: information for indicating a mapping relation between a type of the DCI and resource location information of a physical resource block which sends the DCI;

after receiving the configuration information, receiving, by the terminal, the DCI, the DCI being transmitted on one cell of a base station in response to the base station scheduling the terminal to perform data transmission in at least two cells, wherein

the type of the DCI comprises a second type; and the DCI of the second type carries a control instruction for scheduling data transmission in the at least two cells; and

wherein receiving the DCI sent on the one cell comprises:

receiving the DCI of the second type sent on the one cell according to the configuration information; and

receiving high-layer signaling or physical layer signaling, wherein the high-layer signaling or the physical layer signaling carries the configuration information of the DCI of the second type;

wherein receiving the DCI of the second type sent on the one cell according to the configuration information further comprises:

receiving, on a corresponding physical resource block, the DCI of the second type sent on the one cell according to the mapping relation.

2 . The method according to claim 1 , further comprising:

receiving an activation instruction of the configuration information, wherein

receiving the DCI sent on the one cell comprises:

receiving the DCI sent on the one cell according to the configuration information activated by the activation instruction after receiving the activation instruction.

3 . The method according to claim 2 , wherein

receiving the DCI sent on the one cell according to the configuration information activated by the activation instruction comprises:

receiving the DCI of the second type sent on the one cell according to the configuration information of the DCI of the second type in response to determining that the activation instruction activates the configuration information of the DCI of the second type.

4 . The method according to claim 2 , wherein the configuration information is stored in a configuration repository, and the activation instruction is configured for extracting the configuration information from an inactive configuration repository and transferring it into a memory to run so as to activate the configuration information.

5 . The method according to claim 1 , further comprising:

descrambling the received DCI; and

determining the type of the DCI as the second type in response to determining that the DCI is successfully descrambled by using a second descrambling sequence.

6 . The method according to claim 1 , further comprising:

obtaining a radio network temporary identity (RNTI) carried by the DCI; and

determining the type of the DCI as the second type in response to determining that the RNTI is a second RNTI.

7 . The method according to claim 1 , wherein the DCI comprises identification information of a cell where data transmission is performed, and the data transmission is performed in the cell indicated by the identification information.

8 . The method according to claim 1 , wherein the configuration information comprises indication information of the DCI types needing to be detected, the indication information is configured for indicating the terminal what type of DCI detection is performed, and in response to determining that the indication information is the indication information which supports scheduling for data transmission in the plurality of cells, the DCI of the second type is detected.

9 . A method for transmitting downlink control information (DCI), comprising:

scheduling, by a base station, a terminal to perform data transmission in at least two cells;

sending configuration information of a DCI, wherein the configuration information allows a terminal to receive the DCI of the second type, and the configuration information comprises: information for indicating a mapping relation between a type of the DCI and resource location information of a physical resource block which sends the DCI;

after sending the configuration information, sending, by the base station, the DCI on one cell in response to scheduling the terminal to perform data transmission in at least two cells, wherein

the type of the DCI comprises a second type; and the DCI of the second type carries a control instruction for scheduling data transmission in the at least two cells;

sending high-layer signaling or physical layer signaling, wherein the high-layer signaling or the physical layer signaling carries the configuration information of the DCI of the second type;

wherein the mapping relation allows the terminal to receive the DCI of the second type on a corresponding physical resource block.

10 . The method according to claim 9 , further comprising:

sending an activation instruction of the configuration information, wherein the activation instruction allows the terminal to receive the DCI according to the configuration information activated by the activation instruction.

11 . The method according to claim 10 , further comprising:

sending an activation instruction for activating configuration information of the DCI of the second type in response to determining that scheduling for data transmission in more than one cells is supported.

12 . The method according to claim 10 , wherein the configuration information is stored in a configuration repository, and the activation instruction is configured for extracting the configuration information from an inactive configuration repository and transferring it into a memory for execution so as to activate the configuration information.

13 . The method according to claim 9 , further comprising:

scrambling the DCI by using a second scrambling sequence in response to determining that the type of the DCI is the second type.

14 . The method according to claim 9 , wherein the DCI carries a radio network temporary identity (RNTI), and the method further comprises:

configuring the RNTI as a second RNTI in response to determining that the type of the DCI is the second type.

15 . The method according to claim 9 , wherein the DCI comprises identification information of a cell where data transmission is performed, and the data transmission is performed in the cell indicated by the identification information.

16 . The method according to claim 9 , wherein the configuration information comprises indication information of the DCI types needing to be detected, the indication information is configured for indicating the terminal what type of DCI detection is performed, and in response to determining that the indication information is the indication information which supports scheduling for data transmission in the plurality of cells, the DCI of the second type is detected.

17 . A communication device, comprising:

an antenna;

a memory; and

a processor, connected with the antenna and the memory respectively and configured to, by executing a computer executable instruction stored on the memory, control receiving and sending of the antenna, so as to:

receive configuration information of a downlink control information (DCI), wherein the configuration information comprises: information for indicating a mapping relation between a type of the DCI and resource location information of a physical resource block which sends the DCI;

after receiving the configuration information, receive the DCI sent on one cell of a base station in response to the base station scheduling a terminal to perform data transmission in at least two cells, wherein the type of the DCI comprises a second type; and the DCI of the second type carries a control instruction for scheduling data transmission in the at least two cells; and

wherein receiving the DCI sent on the one cell comprises:

receiving the DCI of the second type sent on the one cell according to the configuration information;

receiving high-layer signaling or physical layer signaling, wherein the high-layer signaling or the physical layer signaling carries the configuration information of the DCI of the second type;

wherein receiving the DCI of the second type sent on the one cell according to the configuration information further comprises:

receiving, on a corresponding physical resource block, the DCI of the second type sent on the one cell according to the mapping relation.

18 . A non-transitory computer storage medium, wherein the non-transitory computer storage medium stores a computer executable instruction, wherein the computer executable instruction, when executed by a processor, implements the method provided by claim 1 .

19 . A communication device, comprising:

an antenna;

a memory; and

a processor, connected with the antenna and the memory respectively and configured to, by executing a computer executable instruction stored on the memory, control receiving and sending of the antenna, such that the method provided by claim 9 can be implemented.

20 . A non-transitory computer storage medium, wherein the non-transitory computer storage medium stores a computer executable instruction, wherein the computer executable instruction, after executed by a processor, can implement the method provided by claim 9 .