CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a national phase entry under 35 USC 371 of International Patent Application No. PCT/CN2019/097830 filed on Jul. 26, 2019, which claims priorities to Chinese Patent Application No. 201810848255.1, filed with the Chinese Patent Office on Jul. 27, 2018, and Chinese Patent Application No. 201910002796.7, filed with the Chinese Patent Office on Jan. 2, 2019, which are incorporated herein by reference in their entirety.

TECHNICAL FIELD

The present disclosure relates to the field of signal transmission technologies, and in particular, to signal transmission method and apparatus, and a display device.

BACKGROUND

A display device includes a display panel and a driving structure used for driving the display panel. The driving structure includes a controller and a driver. With the continuous improvement of resolution of the display device, a signal transmission rate between the controller and the driver is also getting higher and higher. Accordingly, high-speed transmission of signals between the controller and the driver need to be achieved through the peer-to-peer (P2P) technology. The P2P technology refers to a technology in which a receiving terminal and a transmitting terminal of a signal transmission are directly connected without a relay device to transmit signals.

SUMMARY

In one aspect, a signal transmission method applied to a receiving terminal is provided, and the signal transmission method includes: receiving a signal sent by a transmitting terminal through a transmission line; detecting whether there is a transmission error in the received signal; when there is a transmission error in the received signal, adjusting at least one parameter of specified parameters affecting an anti-interference capability of signals on the transmission line, and/or, controlling the transmitting terminal to adjust at least one parameter of the specified parameters affecting the anti-interference capability of the signals on the transmission line.

In some embodiments, adjusting at least one parameter of specified parameters affecting an anti-interference capability of signals on the transmission line, and/or, controlling the transmitting terminal to adjust at least one parameter of the specified parameters affecting the anti-interference capability of the signals on the transmission line includes: determining target parameter information based on the received signal; the target parameter information includes first indication information of at least one adjustable parameter of the specified parameters, and the first indication information includes at least one target parameter value or target adjustment degree information; and according to the target parameter information, adjusting at least one parameter corresponding to the target parameter information, and/or, controlling the transmitting terminal to adjust at least one parameter corresponding to the target parameter information.

In some embodiments, determining the target parameter information based on the received signal, includes: determining a degree parameter of the received signal, and the degree parameter is configured to reflect a severity of the transmission error the received signal; inquiring a pre-established corresponding relationship between degree parameter ranges and parameter information, and obtaining parameter information corresponding to a degree parameter range where the degree parameter of the received signal is located, the parameter information being used as the target parameter information; each parameter information recorded in the corresponding relationship includes first indication information of at least one parameter of the specified parameters, and the first indication information includes at least one target parameter value or target adjustment degree information.

In some embodiments, the specified parameters include at least one target first parameter adjustable by the transmitting terminal and at least one target second parameter adjustable by the receiving terminal; the first indication information includes at least one target parameter value; according to the target parameter information, controlling the transmitting terminal to adjust at least one parameter corresponding to the target parameter information, includes: in a case where the target parameter information includes at least one target parameter value of the at least one first parameter, sending the at least one target parameter value of the at least one first parameter to the transmitting terminal to control the transmitting terminal to adjust at least one parameter value of the at least one first parameters, so that the at least one adjusted parameter value of the at least one first parameter is equal to corresponding target parameter value in the target parameter information; according to the target parameter information, adjusting at least one parameter corresponding to the target parameter information, includes: in a case where the target parameter information includes at least one target parameter value of the at least one second parameter, adjusting at least one parameter value of the at least one second parameter, so that at least one adjusted parameter value of the at least one second parameter is equal to a corresponding target parameter value in the target parameter information.

In some embodiments, the specified parameters include at least one first parameter adjustable by the transmitting terminal and at least one second parameter adjustable by the receiving terminal, and the first indication information includes target adjustment degree information; according to the target parameter information, controlling the transmitting terminal to adjust at least one parameter corresponding to the target parameter information, includes: in a case where target parameter information includes target adjustment degree information of the at least one first parameter, sending the target adjustment degree information of the at least one first parameter to the transmitting terminal to control the transmitting terminal to adjust the at least one first parameter according to corresponding target adjustment degree information of the target parameter information; according to the target parameter information, adjusting at least one parameter corresponding to the target parameter information, includes: in a case where the target parameter information includes target adjustment degree information of the at least one second parameter, adjusting the at least one second parameter according to the corresponding target adjustment degree information of the target parameter information.

In some embodiments, the at least one first parameter includes at least one of a driving current of the receiving terminal, a swing level, and a slew rate; the at least one second parameter includes at least one of a swing level, an equalizer, a matching resistance of the receiving terminal, filtering parameters of a filter and a driving current of the receiving terminal.

In some embodiments, adjusting at least one parameter of specified parameters affecting an anti-interference capability of signals on the transmission line, and/or, controlling the transmitting terminal to adjust at least one parameter of the specified parameters affecting the anti-interference capability of the signals on the transmission line, includes: according to a priority order of the specified parameters, adjusting parameters that are adjustable by the receiving terminal sequentially until an adjustment end condition is reached, and/or, controlling the transmitting terminal to adjust parameters that are adjustable by the transmitting terminal sequentially until the adjustment end condition is reached.

In some embodiments, the adjustment end condition includes at least one of: there being no transmission error in a signal received again sent by the transmitting terminal; adjustment of all the specified parameters being completed; and adjustment of a specified number of parameters of the specified parameters being completed.

In some embodiments, according to a priority order of the specified parameters, adjusting parameters that are adjustable by the receiving terminal sequentially, and/or, controlling the transmitting terminal to adjust parameters that are adjustable by the transmitting terminal sequentially, includes: according to the priority order of the specified parameters, performing at least one of: increasing at least one parameter value of the at least one third parameter; sending second indication information to the transmitting terminal, and the second indication information being configured to indicate the transmitting terminal to increase at least one parameter value of the at least one first parameter performing adjustment process of at least one fourth parameter at least once, the adjustment process of the at least one fourth parameter including increasing or decreasing at least one parameter value of the at least one fourth parameters. The at least one third parameter includes at least one of a swing level and a driving current of the receiving terminal. The at least one first parameter includes at least one of a driving current of the transmitting terminal, a swing and a slew rate. The at least one fourth parameters includes at least one of an equalizer, a matching resistance of the receiving terminal and filtering parameters of a filter. In the specified parameters, a priority of the at last one third parameter is greater than a priority of the at last one first parameter, and the priority of the at least one first parameter is greater than a priority of the at least one fourth parameter.

In some embodiments, the signal is transmitted on the transmission line in a form of data packets, and detecting whether there is a transmission error in the received signal includes any one of the following combinations: a, recording a packet loss rate of the signal received through the transmission line, and determining that there is a transmission error in the received signal when the packet loss rate is greater than a specified packet loss rate threshold; b, determining that there is a transmission error in the received signal. The specified condition includes at least one of: a number of received data packets with a transmission error within a specified time being greater than a first specified number threshold; a number of data packets with a transmission error in a received specified number of data packets being greater than a second specified number threshold; a number of consecutive data packets with a transmission error in the received specified number of data packets being greater than a third specified number threshold.

In some embodiments, the signal transmission method further includes: after the at least one parameter of the specified parameters is adjusted, restoring corresponding at least one parameter of the specified parameters to initial setting when a restoration condition is reached, the initial setting being a setting before the corresponding at least one parameter of the specified parameters is adjusted. The restoration condition includes at least one of: a time interval between a current moment and an adjusting moment of the specified parameters being greater than a specified time interval; the receiving terminal being powered on again.

In another aspect, a signal transmission method is provided. The signal transmission method is applied to a transmitting terminal, and the signal transmission method includes: sending a signal to a receiving terminal through a transmission line; receiving a control signal sent by the receiving terminal, the control signal being sent by the receiving terminal after a transmission error in a received signal is detected; and adjusting at least one parameter of the specified parameters affecting an anti-interference capability of signals on the transmission line based on the received control signal.

In some embodiments, the control signal includes first indication information of at least one first parameter each first parameter is a parameter adjustable by the transmitting terminal in the specified parameters affecting the anti-interference capability of the signals on the transmission line, and the first indication information includes at least one target parameter value or target adjustment degree information; adjusting at least one parameter of the specified parameters affecting the anti-interference capability of signals on the transmission line based on the received control signal includes: adjusting the at least one first parameter based on first indication information of the at least one first parameter included in the received control signal.

In some embodiments, the first indication information includes at least one target parameter value, and adjusting the at least one first parameter based on the first indication information of the at least one first parameter included in the received control signal includes: adjusting the at least one parameter value of the at least one first parameter, so that adjusted at least one parameter value of the at least one first parameter is equal to the at least one target parameter value included in the received first indication information.

In some embodiments, the first indication information includes target adjustment degree information, and adjusting the at least one first parameter based on first indication information of the at least one first parameter included in the received control signal includes: adjusting the at least one first parameter according to the target adjustment degree information included in the received first indication information.

In some embodiments, the control signal includes second indication information of the at least one first parameters. Each first parameter is a parameter adjustable by the transmitting terminal in the specified parameters affecting the anti-interference capability of the signals on the transmission line, and the second indication information is configured to indicate the transmitting terminal to increase at least one parameter value of the at least one first parameter. Adjusting at least one parameter of the specified parameters affecting the anti-interference capability of the signals on the transmission line based on the received control signal, includes: increasing the at least one parameter value of the at least one first parameter based on second indication information of the at least one first parameter included in the received control signal.

In some embodiments, the signal transmission method further includes: after the at least one parameter of the specified parameters is adjusted, restoring a corresponding parameter of the specified parameters to initial setting when a restoration condition is reached, the initial setting being a setting before the corresponding parameter of the specified parameters is adjusted. The restoration condition includes at least one of: a time interval between a current moment and an adjusting moment of the specified parameters being greater than a specified time interval, and the receiving terminal being powered on again.

In yet another aspect, a signal transmission apparatus is provided. The signal transmission apparatus is applied to a receiving terminal, and the signal transmission apparatus includes: a memory and a processor. The memory is configured to store executable instructions. The processor is configured to execute the executable instructions to perform one or more steps in the signal transmission method according to any of the embodiments above.

In yet another aspect, a signal transmission apparatus is provided. The signal transmission apparatus is applied to a transmitting terminal, and the signal transmission apparatus includes: a memory and a processor. The memory is configured to store executable instructions. The processor is configured to execute the executable instructions to perform one or more steps in the signal transmission method according to any one of the embodiments above.

In yet another aspect, a non-transitory computer-readable storage medium is provided. The non-transitory computer-readable storage medium stores instructions that, when run on a processing component, cause the processing component to perform the signal transmission method as according to embodiments above.

