Method for data transmission through scheduling a carrier, user equipment, and control node
A data transmission method includes: transmitting, in a carrier aggregation scenario based on scheduling information, sidelink data on a data carrier and feedback data on a feedback carrier. The scheduling information is used to schedule the data carrier and/or the feedback carrier, and the feedback data is used to indicate a transmission result of the sidelink data.
1. A method for data transmission through scheduling a carrier, comprising:
transmitting, by a user equipment (UE) in a carrier aggregation scenario based on scheduling information, sidelink data on a data carrier and feedback data on a feedback carrier, wherein
the scheduling information is used to schedule at least one of the data carrier or the feedback carrier, and the feedback data is used to indicate a transmission result of the sidelink data; wherein
a scheduling carrier carrying the scheduling information is different from a part of or all of data carriers, or the scheduling carrier is same as the data carrier; or
the scheduling carrier carrying the scheduling information is same as the feedback carrier, or the scheduling carrier is different from a part of or all of feedback carriers;
wherein the scheduling carrier carrying the scheduling information comprises at least one of: a primary component carrier of the UE, a carrier used to perform radio link monitoring (RLM), a carrier used to transmit sidelink radio resource control (RRC) signaling, a carrier associated with a preset quality of service (QoS), a carrier used to transmit a synchronizing signal, a carrier used to transmit a discovery signal or channel, or a carrier used for radio resource management (RRM).
2. The method according to claim 1 , wherein before the transmitting, by UE in a carrier aggregation scenario based on scheduling information, sidelink data on a data carrier, and transmitting feedback data on a feedback carrier, the method further comprises:
receiving, by the UE, the scheduling information from a control node.
3. The method according to claim 1 , wherein before the transmitting, by UE in a carrier aggregation scenario based on scheduling information, sidelink data on a data carrier, and transmitting feedback data on a feedback carrier, the method further comprises:
obtaining, by the UE, configuration information, wherein
the configuration information is used to configure at least one of: the feedback carrier, the data carrier, or a scheduling carrier carrying the scheduling information.
4. The method according to claim 3 , wherein the configuration information is pre-configured, specified in a protocol, received from a control node, or configured based on a negotiation between UEs.
5. The method according to claim 1 , wherein the scheduling information comprises first scheduling information, and the first scheduling information is used to schedule the feedback carrier, wherein
the first scheduling information is used to indicate at least one of: second scheduling information, a resource location of the second scheduling information, a resource location of the sidelink data, first carrier indication information, second carrier indication information, third carrier indication information, a subcarrier spacing (SCS) of the data carrier, an SCS of the feedback carrier, an SCS of a scheduling carrier carrying the scheduling information, an extensible parameter set of the data carrier, an extensible parameter set of the feedback carrier, or an extensible parameter set of the scheduling carrier, wherein the second scheduling information is used to schedule the data carrier; the first carrier indication information is used to indicate the data carrier; the second carrier indication information is used to indicate the feedback carrier; and the third carrier indication information is used to indicate the scheduling carrier.
6. The method according to claim 1 , wherein the scheduling information comprises second scheduling information, and the second scheduling information is used to schedule the data carrier; and
the second scheduling information comprises at least one of: first carrier indication information, sidelink assignment index information, carrier total quantity information, carrier occupation information, indication information used to indicate a feedback channel carrying the feedback data, or information about offset between the feedback channel and a reference channel, wherein
the first carrier indication information is used to indicate the data carrier; the sidelink assignment index information is used to indicate an index of each of at least one scheduling parameter; one scheduling parameter is used to schedule sidelink data on a part of or all of data carriers; the carrier total quantity information is used to indicate a carrier quantity of the data carrier; and the carrier occupation information is used to indicate whether data is transmitted on each data carrier.
7. The method according to claim 1 , wherein the feedback carrier comprises at least one of: a primary component carrier of the UE, a carrier used to perform radio link monitoring (RLM), a carrier used to transmit sidelink radio resource control (RRC) signaling, a carrier associated with a preset quality of service (QOS), a carrier used to transmit a synchronizing signal, a carrier used to transmit a discovery signal or channel, or a carrier used for radio resource management (RRM).
8. A user equipment, comprising a processor, a memory, and a computer program stored in the memory and executable on the processor, wherein the computer program, when executed by the processor, causes the user equipment (UE) to perform:
transmitting, in a carrier aggregation scenario based on scheduling information, sidelink data on a data carrier and feedback data on a feedback carrier, wherein
the scheduling information is used to schedule at least one of the data carrier or the feedback carrier, and the feedback data is used to indicate a transmission result of the sidelink data; wherein
a scheduling carrier carrying the scheduling information is different from a part of or all of data carriers, or the scheduling carrier is same as the data carrier; or
the scheduling carrier carrying the scheduling information is same as the feedback carrier, or the scheduling carrier is different from a part of or all of feedback carriers;
wherein the scheduling carrier carrying the scheduling information comprises at least one of: a primary component carrier of the UE, a carrier used to perform radio link monitoring (RLM), a carrier used to transmit sidelink radio resource control (RRC) signaling, a carrier associated with a preset quality of service (QOS), a carrier used to transmit a synchronizing signal, a carrier used to transmit a discovery signal or channel, or a carrier used for radio resource management (RRM).
9. The user equipment according to claim 8 , wherein the computer program, when executed by the processor, causes the UE to further perform:
receiving the scheduling information from a control node.
10. The user equipment according to claim 8 , wherein the computer program, when executed by the processor, causes the UE to further perform:
obtaining configuration information, wherein
the configuration information is used to configure at least one of: the feedback carrier, the data carrier, or a scheduling carrier carrying the scheduling information.
11. The user equipment according to claim 10 , wherein the configuration information is pre-configured, specified in a protocol, received from a control node, or configured based on a negotiation between UEs.
12. The user equipment according to claim 8 , wherein the scheduling information comprises first scheduling information, and the first scheduling information is used to schedule the feedback carrier, wherein
the first scheduling information is used to indicate at least one of: second scheduling information, a resource location of the second scheduling information, a resource location of the sidelink data, first carrier indication information, second carrier indication information, third carrier indication information, a subcarrier spacing (SCS) of the data carrier, an SCS of the feedback carrier, an SCS of a scheduling carrier carrying the scheduling information, an extensible parameter set of the data carrier, an extensible parameter set of the feedback carrier, or an extensible parameter set of the scheduling carrier, wherein the second scheduling information is used to schedule the data carrier; the first carrier indication information is used to indicate the data carrier; the second carrier indication information is used to indicate the feedback carrier; and the third carrier indication information is used to indicate the scheduling carrier.
13. The user equipment according to claim 8 , wherein the scheduling information comprises second scheduling information, and the second scheduling information is used to schedule the data carrier; and
the second scheduling information comprises at least one of: first carrier indication information, sidelink assignment index information, carrier total quantity information, carrier occupation information, indication information used to indicate a feedback channel carrying the feedback data, or information about offset between the feedback channel and a reference channel, wherein
the first carrier indication information is used to indicate the data carrier; the sidelink assignment index information is used to indicate an index of each of at least one scheduling parameter; one scheduling parameter is used to schedule sidelink data on a part of or all of data carriers; the carrier total quantity information is used to indicate a carrier quantity of the data carrier; and the carrier occupation information is used to indicate whether data is transmitted on each data carrier.
14. The user equipment according to claim 8 , wherein the feedback carrier comprises at least one of: a primary component carrier of the UE, a carrier used to perform radio link monitoring (RLM), a carrier used to transmit sidelink radio resource control (RRC) signaling, a carrier associated with a preset quality of service (QOS), a carrier used to transmit a synchronizing signal, a carrier used to transmit a discovery signal or channel, or a carrier used for radio resource management (RRM).
15. A control node, comprising a processor, a memory, and a computer program stored in the memory and executable on the processor, wherein the computer program, when executed by the processor, causes the control node to perform:
sending scheduling information to user equipment (UE), wherein
the scheduling information is used to schedule at least one of a data carrier in a carrier aggregation scenario to transmit sidelink data or a feedback carrier to transmit feedback data; and the feedback data is used to indicate a transmission result of the sidelink data; wherein
a scheduling carrier carrying the scheduling information is different from a part of or all of data carriers, or the scheduling carrier is same as the data carrier; or
the scheduling carrier carrying the scheduling information is same as the feedback carrier, or the scheduling carrier is different from a part of or all of feedback carriers;
wherein the scheduling carrier carrying the scheduling information comprises at least one of: a primary component carrier of the UE, a carrier used to perform radio link monitoring (RLM), a carrier used to transmit sidelink radio resource control (RRC) signaling, a carrier associated with a preset quality of service (QOS), a carrier used to transmit a synchronizing signal, a carrier used to transmit a discovery signal or channel, or a carrier used for radio resource management (RRM).
16. The control node according to claim 15 , wherein the computer program, when executed by the processor, causes the control node to further perform:
sending configuration information to the UE, wherein
the configuration information is used to indicate at least one of: the feedback carrier, the data carrier, or a scheduling carrier carrying the scheduling information.
17. The control node according to claim 15 , wherein the scheduling information comprises first scheduling information, and the first scheduling information is used to schedule the feedback carrier, wherein
the first scheduling information is used to indicate at least one of: second scheduling information, a resource location of the second scheduling information, a resource location of the sidelink data, first carrier indication information, second carrier indication information, third carrier indication information, an subcarrier spacing (SCS) of the data carrier, an SCS of the feedback carrier, an SCS of a scheduling carrier carrying the scheduling information, an extensible parameter set of the data carrier, an extensible parameter set of the feedback carrier, or an extensible parameter set of the scheduling carrier, wherein the second scheduling information is used to schedule the data carrier; the first carrier indication information is used to indicate the data carrier; the second carrier indication information is used to indicate the feedback carrier; and the third carrier indication information is used to indicate the scheduling carrier.
18. The control node according to claim 15 , wherein the scheduling information comprises second scheduling information, and the second scheduling information is used to schedule the data carrier; and
the second scheduling information comprises at least one of: first carrier indication information, sidelink assignment index information, carrier total quantity information, carrier occupation information, indication information used to indicate a feedback channel carrying the feedback data, or information about offset between the feedback channel and a reference channel, wherein
the first carrier indication information is used to indicate the data carrier; the sidelink assignment index information is used to indicate an index of each of at least one scheduling parameter; one scheduling parameter is used to schedule sidelink data on a part of or all of data carriers; the carrier total quantity information is used to indicate a carrier quantity of the data carrier; and the carrier occupation information is used to indicate whether data is transmitted on each data carrier.
19. The control node according to claim 15 , wherein the feedback carrier comprises at least one of: a primary component carrier of the UE, a carrier used to perform radio link monitoring (RLM), a carrier used to transmit sidelink radio resource control (RRC) signaling, a carrier associated with a preset quality of service (QOS), a carrier used to transmit a synchronizing signal, a carrier used to transmit a discovery signal or channel, or a carrier used for radio resource management (RRM).