Method for capability and resource allocation, terminal device, and control device
This disclosure provides a method for capability and resource allocation for a sidelink, a terminal device, and a control device. The method includes: obtaining information related to sidelink transmission, where the related information includes information about maximum processing capabilities and/or information about maximum allocable resources of a terminal device; and performing transmission configuration.
1 . A method for capability and resource allocation for a sidelink, wherein the method is performed by a terminal device and comprises:
obtaining information related to sidelink transmission; wherein the related information comprises at least one of the following:
a quantity of sidelink control information (SCI) to be monitored or detected within a unit time;
a quantity of a control channel to be monitored or detected within a unit time; or,
a quantity of a control channel candidate to be monitored or detected within a unit time;
wherein the related information is information about maximum processing capabilities of the terminal device; and
performing transmission configuration;
wherein the performing transmission configuration comprises:
when establishing a connection for the sidelink transmission, negotiating, with a peer device, related information used for the sidelink transmission;
wherein the negotiating, with a peer device, related information used for the sidelink transmission comprises:
receiving, from the peer device, request information used for establishing a sidelink connection for the sidelink transmission, wherein the request information comprises a quantity of the SCI, a quantity of the control channel and/or, a quantity of the control channel candidate to be monitored or detected within the unit time that a peer device suggests for the sidelink transmission; and
establishing, or refusing to establish, a sidelink connection to the peer device based on the information about maximum processing capabilities of the terminal device;
wherein establishing the sidelink connection to the peer device, comprises:
establishing the sidelink connection to the peer device in accordance with the quantity of SCI, the quantity of the control channel and/or, the quantity of the control channel candidate to be monitored or detected within the unit time that the peer device suggests for the sidelink transmission complying with the information about maximum processing capabilities of the terminal device;
wherein refusing to establish the sidelink connection to the peer device, comprises:
refusing to establish the sidelink connection to the peer device in accordance with that the quantity of SCI, the quantity of the control channel and/or, the quantity of the control channel candidate to be monitored or detected within the unit time that the peer device suggests for the sidelink transmission does not comply with the information about maximum processing capabilities of the terminal device.
2 . The method according to claim 1 , wherein the related information further comprises at least one of the following:
a quantity of hybrid automatic repeat request (HARQ) entities;
a quantity of HARQ processes;
a buffer size;
a supported data rate;
transmit power;
a supported quantity of transmit/receive carriers;
a supported quantity of transmit/receive antennas;
a supported quantity of transmit/receive beams;
a supported quantity of transmit/receive resource pools;
a supported transmission mode; wherein supported transmission mode comprises an LTE sidelink and/or an NR sidelink supported by the terminal device;
a quantity of sidelink connections; or
a quantity of monitored or demodulated subcarrier spacings (SCSs).
3 . The method according to claim 1 , wherein the performing transmission configuration further comprises at least one of the following:
performing transmission configuration between different transmission modes of the sidelink transmission;
performing transmission configuration between different transmit/receive beams of the sidelink transmission;
performing transmission configuration between different transmission types of the sidelink transmission;
performing transmission configuration between different resource pools of the sidelink transmission;
performing transmission configuration between different services of the sidelink transmission; or
performing transmission configuration in different connection statuses of the sidelink transmission.
4 . The method according to claim 1 , wherein the performing transmission configuration further comprises at least one of the following:
when transmitting data on the sidelink, allocating related information used for the sidelink transmission; or
in a connection process of the sidelink transmission, managing related information used for the sidelink transmission.
5 . The method according to claim 1 , further comprising:
transmitting the related information to a network device, so that the network device performs transmission configuration or scheduling; or
transmitting the related information to a target terminal device, so that the target terminal device performs transmission configuration or scheduling.
6 . The method according to claim 1 , wherein the negotiating, with a peer device, related information used for the sidelink transmission comprises:
transmitting the related information used for the sidelink transmission.
7 . The method according to claim 1 , wherein the performing transmission configuration comprises:
when establishing a connection for the sidelink transmission, or when transmitting data on the sidelink, determining, based on first target quality of service information and/or radio resource information, related information used for the sidelink transmission.
8 . The method according to claim 4 , wherein the managing related information used for the sidelink transmission comprises:
activating or deactivating all the related information used for the sidelink transmission; or
activating or deactivating a part of the related information used for the sidelink transmission; or
reallocating or renegotiating related information used for the sidelink transmission.
9 . The method according to claim 8 , wherein the reallocating or renegotiating related information used for the sidelink transmission comprises:
reallocating or renegotiating, based on at least one of service requirement information or second target quality of service information, the related information used for the sidelink transmission.
10 . The method according to claim 3 , wherein
the processing capabilities and resources in related information used for transmission under different transmission types and/or different connection statuses are not beyond the maximum processing capabilities and the maximum allocable resources of the terminal device.
11 . A terminal device, comprising a memory, a processor, and a program stored in the memory and capable of running on the processor, the program is executed by the processor to implement:
obtaining information related to sidelink transmission; wherein the related information comprises at least one of the following:
a quantity of sidelink control information (SCI) to be monitored or detected within a unit time;
a quantity of a control channel to be monitored or detected within a unit time; or, a quantity of a control channel candidate to be monitored or detected within a unit time;
wherein the related information is information about maximum processing capabilities of the terminal device; and
performing transmission configuration;
wherein the performing transmission configuration comprises at least one of the following:
when establishing a connection for the sidelink transmission, negotiating, with a peer device, used for the sidelink transmission;
wherein the negotiating, with a peer device, related information used for the sidelink transmission comprises:
receiving, from the peer device, request information used for establishing a sidelink connection for the sidelink transmission, wherein the request information comprises a quantity of the SCI, a quantity of the control channel and/or, a quantity of the control channel candidate to be monitored or detected within the unit time that a peer device suggests for the sidelink transmission; and
establishing, or refusing to establish, a sidelink connection to the peer device based on the information about maximum processing capabilities of the terminal device;
wherein establishing the sidelink connection to the peer device, comprises:
establishing the sidelink connection to the peer device in accordance with the quantity of SCI, the quantity of the control channel and/or, the quantity of the control channel candidate to be monitored or detected within the unit time that the peer device suggests for the sidelink transmission complying with the information about maximum processing capabilities of the terminal device;
wherein refusing to establish the sidelink connection to the peer device, comprises:
refusing to establish the sidelink connection to the peer device in accordance with that the quantity of SCI, the quantity of the control channel and/or, the quantity of the control channel candidate to be monitored or detected within the unit time that the peer device suggests for the sidelink transmission does not comply with the information about maximum processing capabilities of the terminal device.
12 . The terminal device according to claim 11 , wherein the related information further comprises at least one of the following:
a quantity of hybrid automatic repeat request (HARQ) entities;
a quantity of HARQ processes;
a buffer size;
a supported data rate;
transmit power;
a supported quantity of transmit/receive carriers;
a supported quantity of transmit/receive antennas;
a supported quantity of transmit/receive beams;
a supported quantity of transmit/receive resource pools;
a supported transmission mode; wherein supported transmission mode comprises an LTE sidelink and/or an NR sidelink supported by the terminal device;
a quantity of sidelink connections; or
a quantity of monitored or demodulated subcarrier spacings (SCSs).
13 . The terminal device according to claim 11 , wherein the performing transmission configuration further comprises at least one of the following:
when transmitting data on the sidelink, allocating related information used for the sidelink transmission; or
in a connection process of the sidelink transmission, managing related information used for the sidelink transmission.
14 . The terminal device according to claim 11 , the program is further executed by the processor to implement:
transmitting the related information to a network device, so that the network device performs transmission configuration or scheduling; or
transmitting the related information to a target terminal device, so that the target terminal device performs transmission configuration or scheduling.
15 . A non-transitory computer-readable storage medium, wherein the non-transitory computer-readable storage medium stores a program, and the program is executed by a processor to implement the method for capability and resource allocation for a sidelink according to claim 1 .
16 . The non-transitory computer-readable storage medium according to claim 15 , wherein the related information further comprises at least one of the following:
a quantity of hybrid automatic repeat request (HARQ) entities;
a quantity of HARQ processes;
a buffer size;
a supported data rate;
transmit power;
a supported quantity of transmit/receive carriers;
a supported quantity of transmit/receive antennas;
a supported quantity of transmit/receive beams;
a supported quantity of transmit/receive resource pools;
a supported transmission mode; wherein supported transmission mode comprises an LTE sidelink and/or an NR sidelink supported by the terminal device;
a quantity of sidelink connections; or
a quantity of monitored or demodulated subcarrier spacings (SCSs).
17 . The non-transitory computer-readable storage medium according to claim 15 , wherein the performing transmission configuration further comprises at least one of the following:
when transmitting data on the sidelink, allocating related information used for the sidelink transmission; or
in a connection process of the sidelink transmission, managing related information used for the sidelink transmission.
18 . The non-transitory computer-readable storage medium according to claim 15 , the program is further executed by a processor to implement:
transmitting the related information to a network device, so that the network device performs transmission configuration or scheduling; or
transmitting the related information to a target terminal device, so that the target terminal device performs transmission configuration or scheduling.
19 . A method for capability and resource allocation for a sidelink, wherein the method is performed by a terminal device and comprises:
obtaining information related to sidelink transmission; wherein the related information comprises information about maximum processing capabilities of the terminal device and information about maximum processing capabilities of a peer device; wherein the related information comprises at least one of the following:
a quantity of sidelink control information (SCI) to be monitored or detected within a unit time; a quantity of a control channel to be monitored or detected within a unit time; or, a quantity of a control channel candidate to be monitored or detected within a unit time; and
when establishing a connection for the sidelink transmission, negotiating, with the peer device, related information used for the sidelink transmission;
wherein the negotiating, with the peer device, related information used for the sidelink transmission comprises:
sending, to the peer device, request information used for establishing a sidelink connection for the sidelink transmission, wherein the request information comprises a quantity of the SCI, a quantity of the control channel and/or, a quantity of the control channel candidate to be monitored or detected within the unit time that the terminal device suggests for the sidelink transmission;
receiving, from the peer device, a quantity of the SCI, a quantity of the control channel and/or, a quantity of the control channel candidate to be monitored or detected within the unit time used for the sidelink transmission determined by the peer device; and
establishing the sidelink connection to the peer device.