Method for transmitting data, terminal device and network-side device
View Patent ↗A method for transmitting data includes: determining that a terminal device satisfies a preset condition for reusing a first timing advance (TA) value; and transmitting data according to the first TA value, wherein the first TA value is the value used by the terminal device during the previous instance of data transmission. The method for transmitting data, the terminal device and the network-side device of the embodiments of the present invention can reduce delays and reduce the signaling overhead of a system.
1. A method for transmitting data, comprising:
determining that a terminal device satisfies a preset condition for reusing a first timing advance (TA) value; and
transmitting data based on the first TA value, wherein the first TA value is used by the terminal device during a previous data transmission;
wherein the determining that a terminal device satisfies a preset condition for reusing a first timing advance (TA) value comprises:
determining that a signal power value of the terminal device is greater than a signal power lower threshold and smaller than a signal power upper threshold, wherein the signal power upper threshold is greater than the signal power lower threshold.
2. The method according to claim 1 , wherein the determining that a terminal device satisfies a preset condition for reusing a first timing advance (TA) value comprises:
determining that a distance between a current location of the terminal device and a location of the terminal device performing the previous data transmission is not greater than a distance threshold.
3. The method according to claim 2 , further comprising:
receiving the distance threshold sent from a network side device.
4. The method according to claim 3 , wherein the receiving the distance threshold sent from a network side device comprises:
receiving the distance threshold sent from the network side device by means of broadcast message or signaling.
5. The method according to claim 1 , further comprising:
receiving the signal power upper threshold and the signal power lower threshold sent from a network side device.
6. The method according to claim 5 , wherein the receiving the signal power upper threshold and the signal power lower threshold sent from the network side device comprises:
receiving the signal power upper threshold and the signal power lower threshold sent from the network side device by means of broadcast message or signaling.
7. The method according to claim 1 , wherein the determining that a terminal device satisfies a preset condition for reusing a first timing advance (TA) value further comprises:
determining that the signal power value of the terminal device is greater than the signal power lower threshold and smaller than the signal power upper threshold within a predetermined time period, wherein the signal power upper threshold is greater than the signal power lower threshold.
8. The method according to claim 7 , further comprising:
receiving indication information sent from the network side device, the indication information being used for indicating the predetermined time period.
9. A method for transmitting data, comprising:
sending a signal power upper threshold and a signal power lower threshold to a terminal device, wherein the signal power upper threshold is greater than the signal power lower threshold;
receiving data transmitted by the terminal device based on a first timing advance (TA) value when determining that the terminal device satisfies a preset condition for reusing the first TA value, wherein the first TA value is used by the terminal device during a previous data transmission;
wherein the receiving data transmitted by a terminal device based on a first timing advance (TA) value when determining that the terminal device satisfies a preset condition for reusing the first TA value comprises:
receiving the data transmitted by the terminal device based on the first TA value when determining that a signal power value of the terminal device is greater than the signal power lower threshold and smaller than the signal power upper threshold.
10. The method according to claim 9 , wherein before the receiving data transmitted by a terminal device based on a first timing advance (TA) value when determining that the terminal device satisfies a preset condition for reusing the first TA value, the method further comprises:
sending a distance threshold to the terminal device;
wherein the receiving data transmitted by a terminal device based on a first timing advance (TA) value when determining that the terminal device satisfies a preset condition for reusing the first TA value comprises:
receiving data transmitted by the terminal device based on the first TA value when determining that a distance between a current location of the terminal device and a location of the terminal device performing the previous data transmission is not greater than the distance threshold.
11. The method according to claim 10 , wherein the sending a distance threshold to the terminal device comprises:
sending the distance threshold to the terminal device by means of broadcast message or signaling.
12. The method according to claim 10 , further comprising:
sending indication information to the terminal device, the indication information being used for indicating a predetermined time period;
wherein the receiving the data transmitted by the terminal device based on the first TA value when determining that location change information of the terminal device satisfies the preset condition comprises:
receiving the data transmitted by the terminal device based on the first TA value within the predetermined time period when determining that a signal power value of the terminal device is greater than the signal power lower threshold and smaller than the signal power upper threshold.
13. The method according to claim 9 , wherein the sending a signal power upper threshold and a signal power lower threshold to the terminal device comprises:
sending the signal power upper threshold and the signal power lower threshold to the terminal device by means of broadcast message or signaling.
14. A terminal device, comprising:
a processor; and
a memory for storing instructions executable by the processor;
wherein the processor is configured to perform:
determining that a terminal device satisfies a preset condition for reusing a first timing advance (TA) value; and
transmitting data based on the first TA value, wherein the first TA value is used by the terminal device during a previous data transmission;
wherein the processor configured to perform determining that a terminal device satisfies a preset condition for reusing a first timing advance (TA) value is configured to perform:
determining that a signal power value of the terminal device is greater than a signal power lower threshold and smaller than a signal power upper threshold, wherein the signal power upper threshold is greater than the signal power lower threshold.
15. The terminal device according to claim 14 , wherein the processor configured to perform determining that a terminal device satisfies a preset condition for reusing a first timing advance (TA) value is configured to perform:
determining that a distance between a current location of the terminal device and a location of the terminal device performing the previous data transmission is not greater than a distance threshold.
16. The terminal device according to claim 14 , wherein the processor is further configured to perform:
receiving the signal power upper threshold and the signal power lower threshold sent from a network side device.
17. The terminal device according to claim 15 , wherein the processor is further configured to perform:
receiving the distance threshold sent from a network side device.