Radio communication method, terminal device, and network device

1. A wireless communication method, comprising:

determining, by a terminal device, a first transmission format for sending data to be sent; and

sending, by the terminal device according to the first transmission format, the data to a network device;

wherein determining, by the terminal device, the first transmission format for sending the data to be sent comprises:

determining at least one transport block size (TBS) according to pre-configured multiple TBSs and a data amount of the data to be sent, wherein the at least one TBS comprises a TBS, more than the data amount of the data to be sent, in the multiple TBSs; and

determining a minimum TBS of the at least one TBS as a first TBS comprised in the first transmission format.

2. The method of claim 1 , wherein the first transmission format further comprises at least one of the followings:

a first modulation manner, a first code rate, a first modulation coding level, or a first physical resource block (PRB) size.

3. The method of claim 1 , further comprising:

sending, by the terminal device, first indication information to the network device, wherein the first indication information is used to indicate the first transmission format.

4. The method of claim 1 , wherein determining, by the terminal device, the first transmission format for sending the data to be sent further comprises:

determining, by the terminal device, the first transmission format according to at least one of the following:

pre-configured multiple transmission formats;

a present downlink quality;

a quality of service (QoS) requirement of the data to be sent;

a bearer of the data to be sent;

a data stream of the data to be sent;

a pre-configured position of an uplink available resource;

a pre-configured size of an uplink available resource, a pre-configured reference code rate, and a number of bits capable of being carried by a unit uplink resource; or

a maximum available transmit power of the terminal device for transmission of the data to be sent.

5. The method of claim 1 , wherein determining, by the terminal device, the first transmission format for sending the data to be sent further comprises:

determining the first TBS comprised in the first transmission format according to a pre-configured size of an uplink available resource, a pre-configured reference code rate and a number of bits capable of being carried by a unit uplink resource.

6. The method of claim 1 , wherein determining, by the terminal device, the first transmission format for sending the data to be sent further comprises:

determining the first TBS comprised in the first transmission format;

calculating, according to the first TBS, a transmit power corresponding to each of pre-configured multiple modulation manners; and

determining, according to the transmit power corresponding to each modulation manner, a first modulation manner or a first modulation coding level comprised in the first transmission format.

7. The method of claim 1 , wherein determining, by the terminal device, the first transmission format for sending the data to be sent further comprises:

determining at least one TBS according to the pre-configured multiple TBSs and the data amount of the data to be sent, wherein the at least one TBS comprises a TBS, less than the data amount of the data to be sent, in the multiple TBSs; and

determining a maximum TBS of the at least one TBS as the first TBS comprised in the first transmission format.

8. A terminal device, comprising:

a processor, configured to determine a first transmission format for sending data to be sent; and

a transceiver, configured to send the data to a network device according to the first transmission format;

wherein the processor is further configured to:

determine at least one transport block size (TBS) according to pre-configured multiple TBSs and a data amount of the data to be sent, wherein the at least one TBS comprises a TBS, more than the data amount of the data to be sent, in the multiple TBSs; and

determine a minimum TBS of the at least one TBS as a first TBS comprised in the first transmission format.

9. The terminal device of claim 8 , wherein the first transmission format further comprises at least one of the followings:

a first modulation manner, a first code rate, a first modulation coding level, or a first physical resource block (PRB) size.

10. The terminal device of claim 8 , wherein the transceiver is further configured to:

send first indication information to the network device, wherein the first indication information is to indicate the first transmission format.

11. The terminal device of claim 8 , wherein the processor is further configured to:

determine the first transmission format according to at least one of the followings:

pre-configured multiple transmission formats;

a present downlink quality;

a Quality of Service (QoS) requirement of the data to be sent;

a bearer of the data to be sent;

a data stream of the data to be sent;

a pre-configured position of an uplink available resource;

a pre-configured size of an uplink available resource, a pre-configured reference code rate, and a number of bits capable of being carried by a unit uplink resource; and

a maximum available transmit power of the terminal device for transmission of the data to be sent.

12. The terminal device of claim 11 , wherein the transceiver is further configured to:

receive configuration information of the network device, wherein the configuration information is to indicate at least one of the followings:

the pre-configured multiple transmission formats;

the pre-configured position of the uplink available resource;

the pre-configured size of the uplink available resource; or

the pre-configured reference code rate of the uplink data.

13. The terminal device of claim 8 , wherein the processor is further configured to:

determine at least one TBS according to the pre-configured multiple TBSs and the data amount of the data to be sent, wherein the at least one TBS comprises a TBS, less than the data amount of the data to be sent, in the multiple TBSs; and

determine a maximum TBS of the at least one TBS as the first TBS comprised in the first transmission format.

14. The terminal device of claim 8 , wherein the processor is further configured to:

determine, according to a pre-configured size of an uplink available resource, a pre-configured reference code rate, and a number of bits capable of being carried by a unit uplink resource, the first TBS comprised in the first transmission format.

15. The terminal device of claim 8 , wherein the processor is further configured to:

determine the first TBS comprised in the first transmission format;

calculate, according to the first TBS, a transmit power corresponding to each of the pre-configured multiple modulation manners; and

determine, according to the transmit power corresponding to each modulation manner, a first modulation manner or a first modulation coding level comprised in the first transmission format.

16. The terminal device of claim 8 , wherein the processor is further configured to:

determine the first transmission format according to a data stream of the data to be sent and a second correspondence, wherein the second correspondence is to indicate a correspondence between multiple transmission formats and multiple data streams.

17. The terminal device of claim 8 , wherein the processor is further configured to:

determine the first transmission format according to a bearer of the data to be sent and a third correspondence, wherein the third correspondence is to indicate a correspondence between multiple transmission formats and multiple bearers.

18. The terminal device of claim 8 , wherein the processor is further configured to:

determine the first transmission format according to a pre-configured position of an available resource for transmitting uplink data and a fourth correspondence, wherein the fourth correspondence is to indicate a correspondence between multiple transmission formats and multiple position ranges of uplink resources.

19. The terminal device of claim 8 , wherein the processor is further configured to:

determine the first transmission format according to a QoS requirement of the data to be sent and a QoS requirement capable of being met by each of the multiple transmission formats.