Information transmission method and device and storage medium

1. An information transmission method, comprising:

receiving, by a first terminal device, a second sidelink channel sent by a second terminal device, and obtaining, by the first terminal device, Acknowledgement (ACK)/Non-Acknowledgement (NACK) information according to information of the second sidelink channel; and

sending, by the first terminal device, the ACK/NACK information to a network device,

wherein the ACK/NACK information is used for indicating whether sidelink data sent by the first terminal device to the second terminal device is correctly received by the second terminal device,

wherein the second sidelink channel comprises a sidelink feedback channel;

wherein the method further comprises:

receiving, by the first terminal device, downlink control information, wherein the downlink control information carries second indication information, and the second indication information is used for determining a transmission resource for the ACK/NACK information;

wherein sending, by the first terminal device, the ACK/NACK information to the network device comprises:

sending, by the first terminal device, an uplink control channel PUCCH to the network device, wherein the PUCCH carries the ACK/NACK information;

wherein the second indication information is used for determining a transmission resource of the PUCCH.

2. The method of claim 1 , wherein that the second indication information is used for determining the transmission resource of the PUCCH comprises:

the second indication information comprises index information which is used for determining a transmission resource from a plurality of PUCCH transmission resources configured by the network device.

3. The method of claim 1 , wherein the downlink control information is used for allocating a sidelink transmission resource to the first terminal device.

4. The method of claim 1 , wherein sending, by the first terminal device, the ACK/NACK information to the network device comprises:

sending, by the first terminal device, an uplink data channel PUSCH to the network device, wherein the PUSCH carries the ACK/NACK information.

5. A network device comprising: a processor and a memory configured to store a computer program that is runnable on the processor, wherein when the computer program is run, the processor is configured to control the network device to:

receive Acknowledgement (ACK)/Non-Acknowledgement (NACK) information sent by a first terminal device, wherein the ACK/NACK information is obtained by the first terminal device according to information of a second sidelink channel sent by a second terminal device and received by the first terminal device, and the ACK/NACK information is used for the network device to perform transmission parameter configuration or resource allocation; the ACK/NACK information comprises:

Acknowledgement (ACK)/Non-Acknowledgement (NACK) information;

wherein the ACK/NACK information is used for indicating whether sidelink data sent by the first terminal device to the second terminal device is correctly received by the second terminal device,

wherein the second sidelink channel comprises a sidelink feedback channel;

wherein the processor is configured to control the network device to send downlink control information to the first terminal device, wherein the downlink control information carries second indication information, and the second indication information is used for determining a transmission resource for the ACK/NACK information;

wherein receiving, by the network device, the ACK/NACK information comprises:

receiving, by the network device, an uplink control channel PUCCH sent by the first terminal device, wherein the PUCCH carries the ACK/NACK information;

wherein the second indication information is used for determining a transmission resource of the PUCCH.

6. The network device of claim 5 , wherein that the second indication information is used for determining the transmission resource of the PUCCH comprises:

the second indication information comprises index information which is used for determining a transmission resource from a plurality of PUCCH transmission resources configured by the network device.

7. The network device of claim 5 , wherein the downlink control information is used for allocating a sidelink transmission resource to the first terminal device.

8. The network device of claim 5 , wherein receiving, by the network device, the ACK/NACK information comprises:

receiving, by the network device, an uplink data channel PUSCH sent by the first terminal device, wherein the PUSCH carries the ACK/NACK information.

9. A first terminal device comprising: a processor and a memory configured to store a computer program that is runnable on the processor;

wherein when the computer program is run, the processor is configured to control the first terminal device to:

receive a second sidelink channel sent by a second terminal device,

obtain Acknowledgement (ACK)/Non-Acknowledgement (NACK) information according to information of the second sidelink channel, and

send the ACK/NACK information to a network device, wherein the ACK/NACK information comprises:

Acknowledgement (ACK)/Non-Acknowledgement (NACK) information;

wherein the Acknowledgement (ACK)/Non-Acknowledgement (NACK) information is used for indicating whether sidelink data sent by the first terminal device to the second terminal device is correctly received by the second terminal device,

wherein the second sidelink channel comprises a sidelink feedback channel; and

wherein the processor is further configured to receive downlink control information, wherein the downlink control information carries second indication information, and the second indication information is used for determining a transmission resource for the ACK/NACK information;

wherein the processor is configured to control the first terminal device to send an uplink control channel PUCCH to the network device, wherein the PUCCH carries the ACK/NACK information;

wherein the second indication information is used for determining a transmission resource of the PUCCH.

10. The first terminal device of claim 9 , wherein that the second indication information is used for determining the transmission resource of the PUCCH comprises:

the second indication information comprises index information which is used for determining a transmission resource from a plurality of PUCCH transmission resources configured by the network device.

11. The first terminal device of claim 9 , wherein the downlink control information is used for allocating a sidelink transmission resource to the first terminal device.

12. The first terminal device of claim 9 , wherein the processor is configured to control the first terminal to send an uplink data channel PUSCH to the network device, wherein the PUSCH carries the ACK/NACK information.

13. The method of claim 1 , wherein if the number of bits included in the ACK/NACK information is less than or equal to 2, the ACK/NACK information is carried in a first PUCCH format; and if the number of bits included in the ACK/NACK information is greater than 2, the ACK/NACK information is carried in a second PUCCH format.

14. The network device of claim 5 , wherein if the number of bits included in the ACK/NACK information is less than or equal to 2, the ACK/NACK information is carried in a first PUCCH format; and if the number of bits included in the ACK/NACK information is greater than 2, the ACK/NACK information is carried in a second PUCCH format.

15. The network device of claim 9 , wherein if the number of bits included in the ACK/NACK information is less than or equal to 2, the ACK/NACK information is carried in a first PUCCH format; and if the number of bits included in the ACK/NACK information is greater than 2, the ACK/NACK information is carried in a second PUCCH format.