Methods and devices for transmitting data

1. A method for transmitting data, comprising:

receiving, by a user equipment, downlink data sent from a base station through downlink resources of a subframe;

determining, by the user equipment, a guard period level corresponding to the user equipment, wherein the guard period level corresponds to a round-trip time of the user equipment and indicates a length of an orthogonal frequency division multiplexing (OFDM) symbol in a guard period corresponding to the user equipment in the subframe;

determining, by the user equipment, according to the guard period level corresponding to the user equipment, a position of uplink resources corresponding to the user equipment in guard period resources of the subframe; and

sending, by the user equipment, uplink data to the base station through the uplink resources corresponding to the user equipment in the guard period resources of the subframe.

2. The method for transmitting data according to claim 1 , further comprising one of the following steps:

Step A1: receiving, by the user equipment, a notification regarding the guard period level corresponding to the user equipment, sent from the base station, and determining, by the user equipment, the guard period level corresponding to the user equipment, according to the notification;

Step A2: receiving, by the user equipment, a notification regarding a classifying manner of the guard period level, sent from the base station, and determining, by the user equipment, the guard period level corresponding to the user equipment, according to the classifying manner of the guard period level and the round-trip time of the user equipment; and

Step A3: determining, by the user equipment, the guard period level corresponding to the user equipment, according to a preset value.

3. The method for transmitting data according to claim 1 , wherein the uplink data sent from the user equipment comprise at least one of the following messages:

a physical random access channel (PRACH), a physical uplink shared channel (PUSCH), a physical uplink control channel (PUCCH) and a sounding reference signal (SRS).

4. A method for transmitting data, comprising:

sending, by a base station, downlink data through downlink resources of a subframe to a user equipment;

determining, by the base station, a guard period level corresponding to the user equipment, wherein the guard period level corresponds to a round-trip time of the user equipment and indicates a length of an orthogonal frequency division multiplexing (OFDM) symbol in a guard period corresponding to the user equipment in the subframe;

determining, by the base station, a position of uplink resources corresponding to the user equipment in guard period resources of the subframe, according to the guard period level corresponding to the user equipment; and

receiving, by the base station, uplink data sent from the user equipment through the uplink resources corresponding to the user equipment in the guard period resources of the subframe.

5. The method for transmitting data according to claim 4 , further comprising one of the following steps:

Step B1: acquiring, by the base station, the round-trip time of the user equipment, and determining, by the base station, the guard period level corresponding to the user equipment, according to the round-trip time of the user equipment; and

Step B2: determining, by the base station, the guard period level of the user equipment, according to a preset value.

6. The method for transmitting data according to claim 4 , further comprising:

sending, by the base station, one of a notification regarding the guard period level of the user equipment and a notification regarding a classifying manner of the guard period level to the user equipment.

7. The method for transmitting data according to claim 4 , wherein the uplink data received by the base station and sent from the user equipment comprise at least one of the following messages:

a physical random access channel (PRACH), a physical uplink shared channel (PUSCH), a physical uplink control channel (PUCCH) and a sounding reference signal (SRS).

8. A method for transmitting data, comprising:

determining, by a base station, a guard period level corresponding to a user equipment, wherein the guard period level corresponds to a round-trip time of the user equipment and indicates a length of an orthogonal frequency division multiplexing (OFDM) symbol in a guard period corresponding to the user equipment in a subframe;

determining, by the base station, a location of downlink resources corresponding to the user equipment in guard period resources of the subframe, according to the guard period level corresponding to the user equipment; and

sending, by the base station, downlink data through the downlink resources corresponding to the user equipment in the guard period resources of the subframe to the user equipment.

9. The method for transmitting data according to claim 8 , further comprising one of the following steps:

Step C1: acquiring, by the base station, the round-trip time of the user equipment, and determining, by the base station, the guard period level corresponding to the user equipment, according to the round-trip time of the user equipment; and

Step C2: determining, by the base station, the guard period level of the user equipment, according to a preset value.

10. The method for transmitting data according to claim 8 , further comprising:

sending, by the base station, one of a notification regarding the guard period level of the user equipment and a notification regarding a classifying manner of the guard period level to the user equipment.

11. The method for transmitting data according to claim 8 , wherein the downlink data sent from the base station to the user equipment comprise a physical downlink shared channel (PDSCH) message.

12. A method for transmitting data, comprising:

determining, by a user equipment, a guard period level corresponding to the user equipment, wherein the guard period level corresponds to a round-trip time of the user equipment and indicates a length of an orthogonal frequency division multiplexing (OFDM) symbol in a guard period corresponding to the user equipment in a subframe;

determining, by the user equipment, according to the guard period level corresponding to the user equipment, a location of downlink resources corresponding to the user equipment in guard period resources of the subframe; and

receiving, by the user equipment, downlink data sent from a base state to the user equipment through the downlink resources corresponding to the user equipment in the guard period resources of the subframe.

13. The method for transmitting data according to claim 12 , further comprising one of the following steps:

Step D1: receiving, by the user equipment, a notification regarding the guard period level corresponding to the user equipment, sent from the base station, and determining, by the user equipment, the guard period level corresponding to the user equipment, according to the notification;

Step D2: receiving, by the user equipment, a notification regarding a classifying manner of the guard period level, sent from the base station, and determining, by the user equipment, the guard period level corresponding to the user equipment, according to the classifying manner of the guard period level and the round-trip time of the user equipment; and

Step D3: determining, by the user equipment, the guard period level corresponding to the user equipment, according to a preset value.

14. The method for transmitting data according to claim 12 , wherein the downlink data, sent from the base station comprises a physical downlink shared channel (PDSCH) message.

15. A user equipment, comprising:

a receiver, configured to receive downlink data sent from a base station through downlink resources of a subframe;

a processor, configured to determine a guard period level corresponding to the user equipment and determine a position of uplink resources corresponding to the user equipment in guard period resources of the subframe, according to the guard period level corresponding to the user equipment, wherein the guard period level corresponds to a round-trip time of the user equipment and indicates a length of an orthogonal frequency division multiplexing (OFDM) symbol in a guard period corresponding to the user equipment in the subframe;

a transmitter, configured to send uplink data to the base station through the uplink resources corresponding to the user equipment in the guard period resources of the subframe.

16. The user equipment according to claim 15 , wherein,

the receiver is further configured to receive a notification regarding the guard period level corresponding to the user equipment, sent from the base station; and

the processor is further configured to determine the guard period level corresponding to the user equipment, according to the notification.

17. The user equipment according to claim 15 , wherein,

the receiver is further configured to receive a notification regarding a classifying manner of the guard period level, sent from the base station; and

the processor is further configured to determine the guard period level corresponding to the user equipment, according to the classifying manner of the guard period level and the round-trip time of the user equipment.

18. The user equipment according to claim 15 , wherein,

the processor is further configured to determine the guard period level corresponding to the user equipment, according to a preset value.

19. The user equipment according to claim 15 , wherein the uplink data sent from the sending unit comprise at least one of the following messages:

a physical random access channel (PRACH), a physical uplink shared channel (PUSCH), a physical uplink control channel (PUCCH) and a sounding reference signal (SRS).

20. A base station, comprising:

a transmitter, configured to send downlink data through downlink resources of a subframe to a user equipment;

a processor, configured to determine a guard period level corresponding to the user equipment and determine a position of uplink resources corresponding to the user equipment in guard period resources of the subframe, according to the guard period level corresponding to the user equipment, wherein the guard period level corresponds to a round-trip time of the user equipment and indicates a length of an orthogonal frequency division multiplexing (OFDM) symbol in a guard period corresponding to the user equipment in the subframe; and

a receiver, configured to receive uplink data sent from the user equipment through the uplink resources corresponding to the user equipment in the guard period resources of the subframe.

21. The base station according to claim 20 , wherein, the processor is further configured to implement one of the following steps:

Step E1: acquiring the round-trip time of the user equipment and determining the guard period level corresponding to the user equipment, according to the round-trip time of the user equipment; and

Step E2: determining the guard period level of the user equipment according to a preset value.

22. The base station according to claim 20 , wherein the transmitter is further configured to send one of a notification regarding the guard period level of the user equipment and a notification regarding a classifying manner of the guard period level to the user equipment.

23. The base station according to claim 20 , wherein the uplink data comprise at least one of the following messages:

a physical random access channel (PRACH), a physical uplink shared channel (PUSCH), a physical uplink control channel (PUCCH) and a sounding reference signal (SRS).

24. A base station, comprising:

a processor, configured to determine a guard period level corresponding to a user equipment and determine a location of downlink resources corresponding to the user equipment in guard period resources of a subframe, according to the guard period level corresponding to the user equipment, wherein the guard period level corresponds to a round-trip time of the user equipment and indicates a length of an orthogonal frequency division multiplexing (OFDM) symbol in a guard period corresponding to the user equipment in the subframe; and

a transmitter, configured to send downlink data through the downlink resources corresponding to the user equipment in the guard period resources of the subframe to the user equipment.

25. The base station according to claim 24 , wherein, the processor is further configured to implement one of the following steps:

Step F1: acquiring the round-trip time of the user equipment and determining the guard period level corresponding to the user equipment, according to the round-trip time of the user equipment; and

Step F2: determining the guard period level of the user equipment, according to a preset value.

26. The base station according to claim 24 , wherein the transmitter is further configured to:

send one of a notification regarding the guard period level of the user equipment and a notification regarding a classifying manner of the guard period level to the user equipment.

27. The base station according to claim 24 , wherein the downlink data comprise a physical downlink shared channel (PDSCH) message.

28. A user equipment, comprising:

a processor, configured to determine a guard period level corresponding to the user equipment and determine a location of downlink resources corresponding to the user equipment in guard period resources of a subframe, according to the guard period level corresponding to the user equipment, wherein the guard period level corresponds to a round-trip time of the user equipment and indicates a length of an orthogonal frequency division multiplexing (OFDM) symbol in a guard period corresponding to the user equipment in the subframe; and

a receiver, configured to receive downlink data sent from a base station through the downlink resources corresponding to the user equipment in the guard period resources of the subframe.

29. The user equipment according to claim 28 , wherein,

the receiver is further configured to receive a notification regarding the guard period level corresponding to the user equipment sent from the base station; and

the processor is further configured to determine the guard period level corresponding to the user equipment, according to the notification.

30. The user equipment according to claim 28 , wherein,

the receiver is further configured to receive a notification regarding a classifying manner of the guard period level sent from the base station; and

the processor is further configured to determine the guard period level corresponding to the user equipment, according to the classifying manner of the guard period level and the round-trip time of the user equipment.

31. The user equipment according to claim 28 , wherein,

the processor is further configured to determine the guard period level corresponding to the user equipment, according to a preset value.

32. The user equipment according to claim 28 , wherein the downlink data comprise a physical downlink shared channel (PDSCH) message.