Resource configuration method and communication apparatus
In one example method, an access network device sends a plurality of pieces of time division multiplexing mode information to a terminal, where each of the plurality of pieces of time division multiplexing mode information indicates one time division multiplexing mode, and in the time division multiplexing mode, time division multiplexing is performed on a first uplink time domain resource and a second uplink time domain resource, the first uplink time domain resource is an uplink time domain resource of a first carrier, and the second uplink time domain resource is an uplink time domain resource of a second carrier. The access network device sends first information to the terminal, where the first information activates one of the plurality of time division multiplexing modes indicated by the plurality of pieces of time division multiplexing mode information.
1. A communication apparatus for an access network device, comprising:
at least one processor; and
a non-transitory storage medium coupled to the at least one processor and storing executable instructions that, when executed by the at least one processor, cause the access network device to:
send a plurality of pieces of time division multiplexing mode information indicating a plurality of time division multiplexing modes to a terminal, wherein each of the plurality of pieces of time division multiplexing mode information indicates one time division multiplexing mode of the plurality of time division multiplexing modes, in the time division multiplexing mode, time division multiplexing is performed on a first uplink time domain resource and a second uplink time domain resource, the first uplink time domain resource is an uplink time domain resource of a first carrier, the second uplink time domain resource is an uplink time domain resource of a second carrier, for each of the first carrier and the second carrier, the plurality of pieces of time division multiplexing mode information include a plurality of pieces of indication information and a plurality of slot identifiers, and the plurality of pieces of indication information correspond one-to-one to the plurality of slot identifiers; and
in response to sending the plurality of pieces of time division multiplexing mode information, send first information to the terminal, wherein the first information activates one of the plurality of time division multiplexing modes indicated by the plurality of pieces of time division multiplexing mode information.
2. The apparatus according to claim 1 , wherein the first uplink time domain resource is an uplink time domain resource initially configured on the first carrier, and the second uplink time domain resource is an uplink time domain resource initially configured on the second carrier.
3. The apparatus according to claim 1 , wherein the plurality of pieces of time division multiplexing mode information comprise first time division multiplexing mode information; and
the first time division multiplexing mode information indicates that a part of an uplink time domain resource initially configured on the first carrier is the first uplink time domain resource, and indicates that a part of an uplink time domain resource initially configured on the second carrier is the second uplink time domain resource, and the uplink time domain resource initially configured on the first carrier overlaps the uplink time domain resource initially configured on the second carrier.
4. The apparatus according to claim 1 , wherein the plurality of pieces of time division multiplexing mode information are carried by using a radio resource control (RRC) message, and the first information is carried by using downlink control information (DCI).
5. The apparatus according to claim 1 , wherein the first information comprises an index of one time division multiplexing mode.
6. The apparatus according to claim 1 , wherein:
the first carrier is a primary cell uplink carrier, and the second carrier is a secondary cell uplink carrier.
7. The apparatus according to claim 1 , wherein the executable instructions, when executed by the at least one processor, cause the access network device to:
configure the plurality of time division multiplexing modes for the terminal, wherein the plurality of time division multiplexing modes are configured with a plurality of different indexes.
8. The apparatus according to claim 7 , wherein in each configured time division multiplexing mode, time domain resources of a plurality of uplink carriers do not overlap.
9. A communication apparatus for a terminal, comprising:
at least one processor; and
a non-transitory storage medium coupled to the at least one processor and storing executable instructions that, when executed by the at least one processor, cause the terminal to:
receive a plurality of pieces of time division multiplexing mode information indicating a plurality of time division multiplexing modes from an access network device, wherein each of the plurality of pieces of time division multiplexing mode information indicates one time division multiplexing mode of the plurality of time division multiplexing modes, in the time division multiplexing mode, time division multiplexing is performed on a first uplink time domain resource and a second uplink time domain resource, the first uplink time domain resource is an uplink time domain resource of a first carrier, the second uplink time domain resource is an uplink time domain resource of a second carrier, for each of the first carrier and the second carrier, the plurality of pieces of time division multiplexing mode information include a plurality of pieces of indication information and a plurality of slot identifiers, and the plurality of pieces of indication information correspond one-to-one to the plurality of slot identifiers; and
in response to receiving the plurality of pieces of time division multiplexing mode information, receive first information from the access network device, wherein the first information indicates one of the plurality of time division multiplexing modes indicated by the plurality of pieces of time division multiplexing mode information.
10. The apparatus according to claim 9 , wherein the first uplink time domain resource is an uplink time domain resource initially configured on the first carrier, and the second uplink time domain resource is an uplink time domain resource initially configured on the second carrier.
11. The apparatus according to claim 9 , wherein the plurality of pieces of time division multiplexing mode information comprise first time division multiplexing mode information; and
the first time division multiplexing mode information indicates that a part of an uplink time domain resource initially configured on the first carrier is the first uplink time domain resource, and indicates that a part of an uplink time domain resource initially configured on the second carrier is the second uplink time domain resource, and the uplink time domain resource initially configured on the first carrier overlaps the uplink time domain resource initially configured on the second carrier.
12. The apparatus according to claim 9 , wherein the plurality of pieces of time division multiplexing mode information are carried by using a radio resource control (RRC) message, and the first information is carried by using downlink control information (DCI).
13. The apparatus according to claim 9 , wherein:
the first carrier and the second carrier support carrier aggregation (CA);
the first carrier is a normal uplink (NUL) carrier, and the second carrier is a supplementary uplink (SUL) carrier; or
the first carrier is a primary cell uplink carrier, and the second carrier is a secondary cell uplink carrier.
14. The apparatus according to claim 9 , wherein:
the first carrier is a frequency division duplexing (FDD) duplex mode, and the second carrier is a time division duplexing (TDD) duplex mode;
the first carrier is an FDD duplex mode, and the second carrier is an FDD duplex mode;
the first carrier is a TDD duplex mode, and the second carrier is an FDD duplex mode; or
the first carrier is a TDD duplex mode, and the second carrier is a TDD duplex mode.
15. A time division multiplexing mode configuration method, comprising:
receiving, by a terminal, a plurality of pieces of time division multiplexing mode information indicating a plurality of time division multiplexing modes from an access network device, wherein each of the plurality of pieces of time division multiplexing mode information indicates one time division multiplexing mode of the plurality of time division multiplexing modes, in the time division multiplexing mode, time division multiplexing is performed on a first uplink time domain resource and a second uplink time domain resource, the first uplink time domain resource is an uplink time domain resource of a first carrier, the second uplink time domain resource is an uplink time domain resource of a second carrier, for each of the first carrier and the second carrier, the plurality of pieces of time division multiplexing mode information include a plurality of pieces of indication information and a plurality of slot identifiers, and the plurality of pieces of indication information correspond one-to-one to the plurality of slot identifiers; and
in response to receiving the plurality of pieces of time division multiplexing mode information, receiving, by the terminal, first information from the access network device, wherein the first information indicates one of the plurality of time division multiplexing modes indicated by the plurality of pieces of time division multiplexing mode information.
16. The method according to claim 15 , wherein the first uplink time domain resource is an uplink time domain resource initially configured on the first carrier, and the second uplink time domain resource is an uplink time domain resource initially configured on the second carrier.
17. The method according to claim 15 , wherein the plurality of pieces of time division multiplexing mode information comprise first time division multiplexing mode information; and
the first time division multiplexing mode information indicates that a part of an uplink time domain resource initially configured on the first carrier is the first uplink time domain resource, and indicates that a part of an uplink time domain resource initially configured on the second carrier is the second uplink time domain resource, and the uplink time domain resource initially configured on the first carrier overlaps the uplink time domain resource initially configured on the second carrier.
18. The method according to claim 15 , wherein the plurality of pieces of time division multiplexing mode information are carried by using a radio resource control (RRC) message, and the first information is carried by using downlink control information (DCI).
19. The method according to claim 15 , wherein:
the first carrier and the second carrier support carrier aggregation (CA);
the first carrier is a normal uplink (NUL) carrier, and the second carrier is a supplementary uplink (SUL) carrier; or
the first carrier is a primary cell uplink carrier, and the second carrier is a secondary cell uplink carrier.
20. The method according to claim 15 , wherein:
the first carrier is a frequency division duplexing (FDD) duplex mode, and the second carrier is a time division duplexing (TDD) duplex mode;
the first carrier is an FDD duplex mode, and the second carrier is an FDD duplex mode;
the first carrier is a TDD duplex mode, and the second carrier is an FDD duplex mode; or
the first carrier is a TDD duplex mode, and the second carrier is a TDD duplex mode.