Data communication method, terminal device, and network device

1. A data communication method, comprising:

receiving, by a terminal device, first indication information in a first time period, wherein a duration of the first time period is a first time unit, and the first indication information is used to trigger the terminal device to transmit first information in a second time period; and

transmitting, by the terminal device, the first information in the second time period according to the first indication information, wherein a duration of the second time period is a second time unit, and a duration of the second time unit is a duration of one timeslot, and a duration of the first time unit is less than a duration of one timeslot;

wherein an interval of K first time units exists between the second time period and the first time period, K is a positive integer;

wherein before the transmitting, by the terminal device, the first information in the second time period according to the first indication information, the method further comprises:

receiving, by the terminal device, second indication information,

wherein the second indication information is used to trigger the terminal device to transmit second information in a third time period,

wherein a duration of the third time period is the first time unit, and

wherein at least one part or an entirety of the third time period overlaps the second time period.

2. The method according to claim 1 , wherein a start position of a first symbol of the second time period is the same as a start position of a first symbol of a first subframe, and the first subframe is one of: (1) a subframe adjacent to a subframe comprising the first time period, (2) a subframe comprising a first time period which has an interval of K first time units with the first time period, or (3) a subframe adjacent to a subframe comprising a first time period which has an interval of K first time units with the first time period.

3. The method according to claim 2 , wherein the method further comprises:

transmitting, by the terminal device, first notification information, wherein the first notification information is used to notify a network device that the terminal device is capable of simultaneously transmitting information in a time period whose duration is the first time unit and a time period whose duration is the second time unit.

4. The method according to claim 1 , wherein the method further comprises:

transmitting, by the terminal device, second notification information, wherein the second notification information is used to notify a network device that the terminal device is incapable of simultaneously transmitting information in a time period whose duration is the first time unit and a time period whose duration is the second time unit.

5. The method according to claim 1 , wherein the method further comprises:

transmitting, by the terminal device, third notification information, wherein the third notification information is used to notify the network device that the terminal device is capable of transmitting information in a time period whose duration is the second time unit and capable of receiving information in a time period whose duration is the first time unit.

6. The method according to claim 1 , wherein the method further comprises:

receiving, by the terminal device, second configuration information, wherein the second configuration information is used to configure the terminal device to be capable of transmitting information in a time period whose duration is the second time unit and capable of receiving information in a time period whose duration is the first time unit.

7. A terminal device, comprising:

a receiver, configured to receive first indication information in a first time period, wherein a duration of the first time period is a first time unit; and

a processor, configured to trigger, according to the first indication information, a transmitter to transmit first information in a second time period;

wherein the transmitter is configured to transmit the first information in the second time period;

wherein a duration of the second time period is a second time unit, and a duration of the second time unit is a duration of one timeslot, and a duration of the first time unit is less than a duration of one timeslot;

wherein an interval of K first time units exists between the second time period and the first time period, K is a positive integer;

wherein the receiver is further configured to receive second indication information; and

wherein the processor is further configured to trigger the transmitter to transmit second information in a third time period, wherein a duration of the third time period is the first time unit, and at least one part or an entirety of the third time period overlaps the second time period.

8. The terminal device according to claim 7 , wherein a start position of a first symbol of the second time period is the same as a start position of a first symbol of a first subframe, and the first subframe is one of: (1) a subframe adjacent to a subframe comprising the first time period, (2) a subframe comprising a first time period which has an interval of K first time units with the first time period, or (3) a subframe adjacent to a subframe comprising a first time period which has an interval of K first time units with the first time period.

9. The terminal device according to claim 7 , wherein the transmitter is further configured to:

transmit first notification information to a network device, wherein the first notification information is used to notify the network device that the terminal device is capable of simultaneously transmitting information in a time period whose duration is the first time unit and a time period whose duration is the second time unit.

10. The terminal device according to claim 7 , wherein the transmitter is further configured to:

transmit second notification information to a network device, wherein the second notification information is used to notify the network device that the terminal device is incapable of simultaneously transmitting information in a time period whose duration is the first time unit and a time period whose duration is the second time unit.

11. The terminal device according to claim 7 , wherein the transmitter is further configured to:

transmit third notification information to the network device, wherein the third notification information is used to notify the network device that the terminal device is capable of transmitting information in a time period whose duration is the second time unit and capable of receiving information in a time period whose duration is the first time unit.

12. The terminal device according to claim 7 , wherein the receiver is further configured to receive second configuration information; and

wherein the processor is further configured to configure, according to the second configuration information, the terminal device to be capable of transmitting information in a time period whose duration is the second time unit and capable of receiving information in a time period whose duration is the first time unit.

13. A network device, comprising:

a processor, configured to determine first indication information; and

a transmitter, configured to transmit the first indication information to a terminal device in a first time period, wherein a duration of the first time period is a first time unit, the first indication information is used to trigger the terminal device to transmit first information in a second time period, a duration of the second time period is a second time unit, and a duration of the second time unit is a duration of one timeslot, and a duration of the first time unit is less than a duration of one timeslot;

wherein an interval of K first time units exists between the second time period and the first time period, K is a positive integer;

wherein the transmitter is further configured to:

transmit second indication information to the terminal device, wherein the second indication information is used to trigger the terminal device to transmit second information in a third time period, a duration of the third time period is the first time unit, and at least one part or an entirety of the third time period overlaps the second time period; and

wherein the receiver is further configured to:

receive the second information transmitted by the terminal device in the third time period according to the second indication information.

14. The network device according to claim 13 , wherein a start position of a first symbol of the second time period is the same as a start position of a first symbol of a first subframe, and the first subframe is one of: (1) a subframe adjacent to a subframe comprising the first time period, (2) a subframe comprising a first time period which has an interval of K first time units with the first time period, or (3) a subframe adjacent to a subframe comprising a first time period which has an interval of K first time units with the first time period.

15. The network device according to claim 13 , further comprising a receiver, configured to receive the first information transmitted by the terminal device in the second time period.

16. The network device according to claim 13 , further comprising the receiver, configured to receive first notification information transmitted by the terminal device;

wherein the processor is further configured to determine, according to the first notification information, that the terminal device is capable of simultaneously transmitting information in a time period whose duration is the first time unit and a time period whose duration is the second time unit.

17. The network device according to claim 13 , further comprising a receiver, configured to receive second notification information transmitted by the terminal device;

wherein the processor is further configured to determine, according to the second notification information, that the terminal device is incapable of simultaneously transmitting information in a time period whose duration is the first time unit and a time period whose duration is the second time unit.