Device delay calibration method, terminal device and storage medium
The present application provides a device delay calibration method, a terminal device and a storage medium. The terminal device communicates with a device group, and the method includes: sending a preset instruction to at least one device in the device group, and receiving a feedback signal corresponding to the preset instruction from the at least one device; calculating a round-trip delay of a signal transmission between the terminal device and the at least one device according to the preset instructions and the feedback signal; based on the round-trip delay, calculating a delay determination base corresponding to the at least one device; performing a delay calibration on the at least one device according to the delay determination base. The above method is used to enable the device group to perform a network synchronization when the device group does not have a timer or the timer is inaccurate.
1 . A device delay calibration method applied to a terminal device, wherein the terminal device is in communication with a device group, the method comprises:
sending a preset instruction to at least one device in the device group, and receiving a feedback signal corresponding to the preset instruction from the at least one device;
calculating a round-trip delay of a signal transmission between the terminal device and the at least one device according to the preset instruction and the feedback signal;
calculating a delay determination base corresponding to the at least one device based on the round-trip delay;
performing a delay calibration on the at least one device according to the delay determination base.
2 . The device delay calibration method according to claim 1 , wherein the delay determination base is determined based on a time value determined by performing a probabilistic statistical method according to all round-trip delays corresponding to each device in the device group.
3 . The device delay calibration method according to claim 2 , wherein calculating the delay determination base comprises:
calculating the time value based on all round-trip delays corresponding to each device in the device group;
calculating the delay determination base based on the time value and the round-trip delay corresponding to each device.
4 . The device delay calibration method according to claim 1 , wherein calculating the delay determination base further comprises:
calculating the delay determination base according to a probability statistic.
5 . The device delay calibration method according to claim 1 , wherein calculating the round-trip delay of the signal transmission between the terminal device and the at least one device according to the preset instruction and the feedback signal comprises:
obtaining a first time point when the terminal device sends the preset instruction and/or a second time point when the feedback signal is received;
calculating the round-trip delay according to the first time point and/or the second time point.
6 . The device delay calibration method according to claim 1 , wherein performing the delay calibration on the at least one device according to the delay determination base further comprises:
determining whether the at least one device needs to be calibrated based on the round-trip delay, the delay determination base and a preset calibration threshold of the probability statistic.
7 . The device delay calibration method according to claim 6 , wherein determining whether the at least one device needs to be calibrated based on the round-trip delay, the delay determination base and the preset calibration threshold of the probability statistic comprises:
in response that the at least one device comprises a plurality of devices, obtaining a calculation result corresponding to each device according to the round-trip delay corresponding to each device and the delay determination base;
determining whether the device corresponding to the calculation result needs to be calibrated based on a comparison result between the calculation result and the calibration threshold of the probability statistic.
8 . The device delay calibration method according to claim 1 , wherein performing the delay calibration on the at least one device according to the delay determination base comprises:
in response that any device in the at least one device has a time delay determined according to the delay determination base, by shortening a signal transmission duration of the any device, achieving a signal synchronization or an action synchronization between the any device and other devices in the device group; or
in response that any device in the at least one device has a time advance determined according to the delay determination base, by extending the signal transmission duration of the any device, achieving a signal synchronization or an action synchronization between the any device and other devices in the device group.
9 . The device delay calibration method according to claim 1 , wherein the method further comprises:
sending the preset instruction to the device that has completed a calibration, and verifying that whether the calibrated device is correctly calibrated according to the preset instruction.
10 . A terminal device being communicated with a device group, comprising:
a storage device storing at least one instruction; and
a processor, when the at least one instruction is executed by the processor, the processor is caused to:
send a preset instruction to at least one device in the device group, and receive a feedback signal corresponding to the preset instruction from the at least one device;
calculate a round-trip delay of a signal transmission between the terminal device and the at least one device according to the preset instruction and the feedback signal;
calculate a delay determination base corresponding to the at least one device based on the round-trip delay;
perform a delay calibration on the at least one device according to the delay determination base.
11 . The terminal device according to claim 10 , wherein the processor determines the delay determination base based on a time value determined by performing a probabilistic statistical method according to all round-trip delays corresponding to each device in the device group.
12 . The terminal device according to claim 11 , wherein the processor calculates the delay determination base by:
calculating the time value based on all round-trip delays corresponding to each device in the device group;
calculating the delay determination base based on the time value and the round-trip delay corresponding to each device.
13 . The terminal device according to claim 10 , wherein the processor calculates the delay determination base further by:
calculating the delay determination base according to a probability statistic.
14 . The terminal device according to claim 10 , wherein the processor calculates the round-trip delay of the signal transmission between the terminal device and the at least one device according to the preset instruction and the feedback signal by:
obtaining a first time point when the terminal device sends the preset instruction and/or a second time point when the feedback signal is received;
calculating the round-trip delay according to the first time point and/or the second time point.
15 . The terminal device according to claim 10 , wherein the processor performs the delay calibration on the at least one device according to the delay determination base further by:
determining whether the at least one device needs to be calibrated based on the round-trip delay, the delay determination base and a preset calibration threshold of the probability statistic.
16 . The terminal device according to claim 15 , wherein the processor determines whether the at least one device needs to be calibrated based on the round-trip delay, the delay determination base and the preset calibration threshold of the probability statistic by:
in response that the at least one device comprises a plurality of devices, obtaining a calculation result corresponding to each device according to the round-trip delay corresponding to each device and the delay determination base;
determining whether the device corresponding to the calculation result needs to be calibrated based on a comparison result between the calculation result and the calibration threshold of the probability statistic.
17 . A non-transitory storage medium having at least one instruction stored thereon, when the at least one instruction is executed by a processor of a terminal device being communicated with a device group, the processor is caused to perform a device delay calibration method, wherein the method comprises:
sending a preset instruction to at least one device in the device group, and receiving a feedback signal corresponding to the preset instruction from the at least one device;
calculating a round-trip delay of a signal transmission between the terminal device and the at least one device according to the preset instruction and the feedback signal;
calculating a delay determination base corresponding to the at least one device based on the round-trip delay;
performing a delay calibration on the at least one device according to the delay determination base.
18 . The non-transitory storage medium according to claim 17 , wherein the delay determination base is determined based on a time value determined by performing a probabilistic statistical method according to all round-trip delays corresponding to each device in the device group.
19 . The non-transitory storage medium according to claim 18 , wherein calculating the delay determination base comprises:
calculating the time value based on all round-trip delays corresponding to each device in the device group;
calculating the delay determination base based on the time value and the round-trip delay corresponding to each device.
20 . The non-transitory storage medium according to claim 17 , wherein calculating the delay determination base further comprises:
calculating the delay determination base according to a probability statistic.