Communication method, device, user equipment, network equipment and computer program product

Abstract

The invention relates to a communication method and device, user equipment, network equipment and a computer program product, and relates to the technical field of wireless communication. The communication method is executed by user equipment and comprises the steps that a first link and a second link are measured, a first measurement result of the first link and a second measurement result of the second link are obtained, the first link is a transmission link in a first transmission mode, the second link is a transmission link in a second transmission mode, and the first measurement result and the second measurement result are obtained. The first transmission mode comprises a visible light transmission mode; sending measurement information to the network device at the second link, the measurement information comprising at least one of the first measurement result and the second measurement result; and determining a transmission mode between the user equipment and the network equipment according to the first configuration information sent by the network equipment.

Description

Technical Field

[0001] The present disclosure relates to the field of wireless communication technology, and in particular to a communication method, a communication device, a user equipment, a network device, a computer-readable storage medium, and a computer program product. Background Art

[0002] Visible light communication uses visible light sources such as light-emitting diodes to emit light signals with high-speed brightness changes that are difficult for the naked eye to distinguish to transmit information, and then converts the received light signals into electrical signals through photoelectric converters such as photodetectors to obtain information. It is a wireless communication method that integrates lighting communication. Summary of the invention

[0003] The inventors found that visible light communication, as a new mode combining lighting and communication, can be applied to downlink transmission, but faces more challenges in uplink transmission, mainly because user devices generally do not have light source conditions. On the other hand, the communication distance of visible light communication is generally short and is greatly affected by obstructions. Therefore, it is difficult to meet the communication needs of user devices using only visible light communication.

[0004] In view of this, the present disclosure proposes a communication method. According to some embodiments of the first aspect of the present disclosure, a communication method is provided, which is executed by a user device, including: measuring a first link and a second link to obtain a first measurement result of the first link and a second measurement result of the second link, wherein the first link is a transmission link under a first transmission mode, the second link is a transmission link under a second transmission mode, and the first transmission mode includes a visible light transmission mode; sending measurement information to a network device on the second link, wherein the measurement information includes at least one of the first measurement result and the second measurement result; determining the transmission mode between the user device and the network device according to the first configuration information sent by the network device.

[0005] In some embodiments, measuring the first link and the second link to obtain a first measurement result of the first link and a second measurement result of the second link includes: receiving second configuration information sent by a network device; determining, based on the second configuration information, a resource location of a downlink reference signal transmitted by the network device on the first link and the second link; and measuring the downlink reference signal based on the resource location to obtain a first measurement result of the first link and a second measurement result of the second link.

[0006] In some embodiments, the first measurement result includes a received power of a downlink reference signal transmitted by the first link, and / or the second measurement result includes a received power of a downlink reference signal transmitted by the second link.

[0007] In some embodiments, the first configuration information is explicit configuration information or implicit configuration information. When the first configuration information is explicit configuration information, the first configuration information includes information for indicating at least one of the first transmission mode and the second transmission mode; when the first configuration information is implicit configuration information, the first configuration information includes transmission parameters of at least one of the first transmission mode and the second transmission mode.

[0008] In some embodiments, the transmission parameters include at least one of a transmission frequency band, a modulation method, and a transmission resource location.

[0009] In some embodiments, determining the transmission mode between the user device and the network device based on the first configuration information sent by the network device includes: receiving the first configuration information sent by the network device on the second link; determining the transmission mode between the user device and the network device based on the first configuration information to use the first transmission mode on the first link and the second transmission mode on the second link.

[0010] In some embodiments, the communication method further includes: when the user equipment supports simultaneous transmission on the first link and the second link, according to control information sent by the network device, communicating with the network device using the first transmission mode on the first link and communicating with the network device using the second transmission mode on the second link.

[0011] In some embodiments, the control information is transmitted on the second link.

[0012] In some embodiments, the communication method further includes: sending feedback information of receiving downlink data in the first link and the second link to the network device on the second link.

[0013] In some embodiments, the feedback information includes at least one of a positive acknowledgement ACK and a negative acknowledgement NACK.

[0014] In some embodiments, the communication method further includes: when the feedback information of the downlink data received in the first link includes a negative acknowledgement NACK, receiving the downlink data that failed to be transmitted in the first link retransmitted by the network device through at least one of the first link and the second link.

[0015] In some embodiments, receiving downlink data in the first link that fails to be transmitted and retransmitted by a network device through at least one of the first link and the second link includes: receiving downlink data in the first link that fails to be transmitted and retransmitted by the network device through the first link; in response to the number of retransmissions reaching a threshold, receiving downlink data in the first link that fails to be transmitted and retransmitted by the network device through the second link.

[0016] In some embodiments, receiving downlink data that failed to be transmitted in the first link and retransmitted by the network device through the second link includes: receiving downlink data that failed to be transmitted in the first link and retransmitting by the network device through the second link, and the hybrid automatic repeat request HARQ process number corresponding to the downlink data that failed to be transmitted and the identifier of the corresponding link.

[0017] In some embodiments, the communication method further includes: reporting capability information to the network device, wherein the capability information is used to indicate whether the user equipment supports the first transmission mode.

[0018] In some embodiments, the second transmission mode includes at least one of a long term evolution LTE and a new radio interface NR transmission mode, and the first configuration information is determined by the network device based on measurement information.

[0019] According to some embodiments of the second aspect of the present disclosure, a communication method is provided, which is executed by a network device, including: receiving measurement information sent by a user device through a second link, wherein the measurement information includes at least one of a first measurement result of a first link and a second measurement result of a second link, the first link is a transmission link under a first transmission mode, the second link is a transmission link under a second transmission mode, and the first transmission mode includes a visible light transmission mode; based on the measurement information, determining and sending first configuration information to the user device, wherein the first configuration information is used to configure the transmission mode between the user device and the network device.

[0020] In some embodiments, sending first configuration information to a user device includes: sending first configuration information to the user device on a second link, wherein the first configuration information is used to configure a transmission mode between the user device and a network device to adopt a first transmission mode on the first link and a second transmission mode on the second link; when the user device supports simultaneous transmission on the first link and the second link, sending control information to the user device, communicating with the user device in the first link in the first transmission mode, and communicating with the user device in the second link in the second transmission mode.

[0021] In some embodiments, the communication method further includes: sending second configuration information to the user equipment, wherein the second configuration information includes a resource location of a downlink reference signal transmitted by the network device on the first link and the second link.

[0022] In some embodiments, determining, based on the measurement information, the first configuration information includes: when the first measurement result is greater than a first threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode; when the first measurement result is less than or equal to the first threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode.

[0023] In some embodiments, determining, based on the measurement information, the first configuration information also includes: when the first measurement result is less than or equal to a first threshold or the difference between the first measurement result and the second measurement result is greater than a second threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode; when the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode.

[0024] In some embodiments, the measurement information also includes business requirements of the user equipment, and the business requirements include at least one of reliability requirements and delay requirements. According to the measurement information, it is determined that the first configuration information also includes at least one of the following: when the first measurement result is less than or equal to the first threshold, the difference between the first measurement result and the second measurement result is greater than the second threshold, the reliability requirement is greater than the third threshold, or the delay requirement is greater than the fourth threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode; when the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold and the reliability requirement is less than or equal to the third threshold and the delay requirement is less than or equal to the fourth threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode.

[0025] In some embodiments, the communication method further includes: receiving feedback information sent by the user equipment through the second link regarding downlink data received in the first link and the second link.

[0026] In some embodiments, the feedback information includes at least one of a positive acknowledgement ACK and a negative acknowledgement NACK.

[0027] In some embodiments, the communication method further includes: when the feedback information of the downlink data received in the first link includes a negative acknowledgement NACK, retransmitting the downlink data that failed to be transmitted in the first link to the user equipment through at least one of the first link and the second link.

[0028] In some embodiments, retransmitting downlink data that failed to be transmitted in the first link to the user equipment through at least one of the first link and the second link includes: retransmitting the downlink data that failed to be transmitted in the first link to the user equipment through the first link; in response to the number of retransmissions reaching a threshold, retransmitting the downlink data that failed to be transmitted in the first link to the user equipment through the second link.

[0029] In some embodiments, retransmitting downlink data that failed to be transmitted in the first link through the second link includes: retransmitting the downlink data that failed to be transmitted in the first link to the user equipment through the second link, and the hybrid automatic repeat request HARQ process number corresponding to the downlink data that failed to be transmitted and the identifier of the corresponding link.

[0030] In some embodiments, the communication method further includes: receiving capability information reported by the user equipment, wherein the capability information is used to indicate whether the user equipment supports the first transmission mode.

[0031] In some embodiments, the first configuration information is explicit configuration information or implicit configuration information. When the first configuration information is explicit configuration information, the first configuration information includes information for indicating at least one of the first transmission mode and the second transmission mode; when the first configuration information is implicit configuration information, the first configuration information includes transmission parameters of at least one of the first transmission mode and the second transmission mode.

[0032] In some embodiments, the transmission parameters include at least one of a transmission frequency band, a modulation method, and a transmission resource location.

[0033] According to some embodiments of the third aspect of the present disclosure, a user device is provided, comprising: a measuring unit, configured to measure a first link and a second link, to obtain a first measurement result of the first link and a second measurement result of the second link, wherein the first link is a transmission link under a first transmission mode, the second link is a transmission link under a second transmission mode, and the first transmission mode includes a visible light transmission mode; a sending unit, configured to send measurement information to a network device in the second link, wherein the measurement information includes at least one of the first measurement result and the second measurement result; and a first determination unit, configured to determine the transmission mode between the user device and the network device according to the first configuration information sent by the network device.

[0034] According to some embodiments of the fourth aspect of the present disclosure, a network device is provided, including: a receiving unit, configured to receive measurement information sent by a user equipment through a second link, wherein the measurement information includes at least one of a first measurement result of a first link and a second measurement result of a second link, the first link is a transmission link under a first transmission mode, the second link is a transmission link under a second transmission mode, and the first transmission mode includes a visible light transmission mode; and a second determination unit, configured to determine and send first configuration information to the user equipment based on the measurement information.

[0035] According to some embodiments of the fifth aspect of the present disclosure, a communication device is provided, comprising: a memory and a processor coupled to the memory, wherein the processor is configured to execute the communication method in any one of the above embodiments based on instructions stored in the memory.

[0036] According to some embodiments of the sixth aspect of the present disclosure, a computer-readable storage medium is provided, on which computer instructions are stored, and when the instructions are executed by a processor, the communication method in any of the above embodiments is implemented.

[0037] According to some embodiments of the seventh aspect of the present disclosure, a computer program product is provided, comprising computer instructions, which, when executed by a processor, implement the communication method in any one of the above embodiments.

[0038] In the above embodiment, the user equipment obtains the first measurement result of the first link and the second measurement result of the second link by measuring the first link and the second link, and sends measurement information including at least one of the first measurement result and the second measurement result to the network device. The network device generates first configuration information according to the measurement information, and configures the transmission mode between the user equipment and the network device through the first configuration information. The first link and the second link are transmission links in the visible light transmission mode and transmission links in other communication modes, respectively. Through the method of the above embodiment, the user equipment and the network device can select the transmission mode according to the measurement results, and the visible light communication and other communication modes can be coordinated to communicate. It can not only take advantage of the wide spectrum range and simple deployment of visible light communication, but also meet the communication needs of the user equipment and ensure the communication quality through the combination of different communication modes. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The accompanying drawings, which constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0040] The present disclosure can be more clearly understood from the following detailed description with reference to the accompanying drawings.

[0041] Figure 1 Schematic diagrams showing some embodiments of the communication method of the present disclosure.

[0042] Figure 2 Schematic diagrams showing other embodiments of the communication method of the present disclosure.

[0043] Figure 3 Schematic diagrams showing still some embodiments of the communication method of the present disclosure.

[0044] Figure 4 A schematic diagram showing some embodiments of user equipment of the present disclosure.

[0045] Figure 5 Schematic diagram showing some embodiments of the network device of the present disclosure.

[0046] Figure 6 Schematic diagrams showing some embodiments of the communication device of the present disclosure. DETAILED DESCRIPTION

[0047] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present disclosure unless otherwise specifically stated.

[0048] At the same time, it should be understood that for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0049] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present disclosure, its application, or uses.

[0050] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0051] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0052] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0053] Figure 1 Schematic diagrams showing some embodiments of the communication method of the present disclosure.

[0054] like Figure 1 As shown, the communication method includes steps 110 to 130, and the communication method is executed by a user equipment.

[0055] In step 110, the first link and the second link are measured to obtain a first measurement result of the first link and a second measurement result of the second link, wherein the first link is a transmission link under a first transmission mode, the second link is a transmission link under a second transmission mode, and the first transmission mode includes a visible light transmission mode.

[0056] For example, the first measurement result includes the received power of a downlink reference signal transmitted by the first link, and / or the second measurement result includes the received power of a downlink reference signal transmitted by the second link.

[0057] In some embodiments, the user equipment may measure the first link and the second link in the following manner: receive second configuration information sent by the network device, and determine the resource location of the downlink reference signal transmitted by the network device in the first link and the second link based on the second configuration information, and then measure the downlink reference signal based on the resource location to obtain a first measurement result of the first link and a second measurement result of the second link.

[0058] By measuring the downlink reference signal according to the resource location of the downlink reference signal of the first link and the second link, accurate first measurement results and second measurement results can be obtained, thereby improving the accuracy of subsequent first configuration information and ensuring the accuracy of data transmission in coordination with visible light communication and other communication means.

[0059] The second transmission mode is a transmission mode other than the visible light transmission mode. For example, the second transmission mode includes at least one of an LTE (Long Term Evolution) and a NR (New Radio) transmission mode.

[0060] In some embodiments, the network device sends second configuration information to the user equipment, wherein the second configuration information includes a resource location of a downlink reference signal transmitted by the network device on the first link and the second link.

[0061] In some embodiments, before the user equipment measures the first link and the second link, the user equipment may also report capability information to the network device, where the capability information is used to indicate whether the user equipment supports the first transmission mode.

[0062] Correspondingly, before the network device receives the measurement information sent by the user equipment, the network device may also receive capability information reported by the user equipment, wherein the capability information is used to indicate whether the user equipment supports the first transmission mode.

[0063] By reporting capability information to a network device before measuring the first link and the second link, the network device can determine whether the current user device supports the first transmission mode. For user devices that do not support the first transmission mode, the device is directly configured to perform data transmission through the second transmission mode. For user devices that support the first transmission mode, the transmission mode is configured based on at least one of the first measurement result and the second measurement result, thereby improving the efficiency of data transmission in coordination with visible light communication and other communication means, and reducing the risk of data transmission failure caused by misconfiguration of user devices that do not support the first transmission mode to perform data transmission in the first transmission mode.

[0064] In step 120, measurement information is sent to the network device on the second link, wherein the measurement information includes at least one of a first measurement result and a second measurement result.

[0065] In some embodiments, the network device receives the measurement information sent by the user equipment through the second link.

[0066] Sending measurement information to the network device through the second link reduces the risk of failure in sending the measurement information due to sending the measurement information in the first link in the first transmission mode, and ensures the stability of data transmission in coordination with visible light communication and other communication means.

[0067] In some embodiments, the network device may further determine and send first configuration information to the user equipment based on the measurement information, wherein the first configuration information is used to configure a transmission mode between the user equipment and the network device.

[0068] In step 130, a transmission mode between the user equipment and the network device is determined according to the first configuration information sent by the network device.

[0069] In the above embodiment, the user equipment obtains the first measurement result of the first link and the second measurement result of the second link by measuring the first link and the second link, and sends measurement information including at least one of the first measurement result and the second measurement result to the network device. The network device generates first configuration information according to the measurement information, and configures the transmission mode between the user equipment and the network device through the first configuration information. The first link and the second link are transmission links in the visible light transmission mode and transmission links in other communication modes, respectively. Through the method of the above embodiment, the user equipment and the network device can select the transmission mode according to the measurement results, and the visible light communication and other communication modes can be coordinated to communicate. It can not only take advantage of the wide spectrum range and simple deployment of visible light communication, but also meet the communication needs of the user equipment and ensure the communication quality through the combination of different communication modes.

[0070] In some embodiments, the first configuration information is determined by the network device according to measurement information.

[0071] How to send the first configuration information to the user equipment is described in detail as follows.

[0072] The network device will send first configuration information to the user equipment on the second link, wherein the first configuration information is used to configure the transmission mode between the user equipment and the network device to adopt the first transmission mode on the first link and the second transmission mode on the second link; when the user equipment supports simultaneous transmission on the first link and the second link, control information is sent to the user equipment, and the first transmission mode is adopted in the first link to communicate with the user equipment, and the second transmission mode is adopted in the second link to communicate with the user equipment.

[0073] How to determine the first configuration information according to the measurement information is specifically as follows.

[0074] In some embodiments, when the first measurement result is greater than the first threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode; when the first measurement result is less than or equal to the first threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode.

[0075] The transmission mode between the network device and the user device is configured as the first transmission mode and the second transmission mode by including the first configuration information indicating that the transmission mode is the first transmission mode and the second transmission mode; the transmission mode between the network device and the user device is configured as only the second transmission mode by including the first configuration information indicating that the transmission mode is the second transmission mode.

[0076] In some embodiments, when the first measurement result is less than or equal to a first threshold or the difference between the first measurement result and the second measurement result is greater than a second threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode; when the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode.

[0077] In some embodiments, the measurement information also includes business requirements of the user equipment, and the business requirements include at least one of reliability requirements and delay requirements. When the first measurement result is less than or equal to a first threshold, the difference between the first measurement result and the second measurement result is greater than the second threshold, the reliability requirement is greater than a third threshold, or the delay requirement is greater than a fourth threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode; when the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold and the reliability requirement is less than or equal to the third threshold and the delay requirement is less than or equal to the fourth threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode.

[0078] By taking the business needs of the user equipment into consideration during the process of configuring the transmission mode between the network equipment and the user equipment, that is, in the process of realizing data transmission in coordination with visible light communication and other communication means, the business needs of the user equipment are guaranteed, and a feasible solution for data transmission in coordination with visible light communication and other communication means is provided.

[0079] In some embodiments, the first configuration information may be explicit configuration information or implicit configuration information.

[0080] If the first configuration information is explicit configuration information, the first configuration information includes information for indicating at least one of the first transmission mode and the second transmission mode.

[0081] If the first configuration information is implicit configuration information, the first configuration information includes transmission parameters of at least one of the first transmission mode and the second transmission mode.

[0082] For example, the transmission parameter includes at least one of a transmission frequency band, a modulation mode, and a transmission resource location.

[0083] In some embodiments, the user equipment may receive first configuration information sent by the network device on the second link, and determine, based on the first configuration information, that the transmission mode between the user equipment and the network device is to use the first transmission mode on the first link and the second transmission mode on the second link.

[0084] Receiving the first configuration information sent by the network device to the network device through the second link reduces the risk of failure in receiving the first configuration information due to receiving the first configuration information in the first transmission mode on the first link, and ensures the stability of data transmission in coordination with visible light communication and other communication means.

[0085] In some embodiments, if the user equipment supports simultaneous transmission on the first link and the second link, it communicates with the network device in the second link using the second transmission mode according to the control information sent by the network device, where the control information may be, for example, DCI (Downlink Control Information), RRC (Radio Resource Control), etc.

[0086] For example, the control information is transmitted on the second link.

[0087] In some embodiments, the user equipment may further send feedback information of receiving downlink data in the first link and the second link to the network device in the second link.

[0088] Correspondingly, the network device receives, through the second link, feedback information sent by the user equipment regarding downlink data received in the first link and the second link.

[0089] For example, the feedback information includes at least one of ACK (Acknowledgement, positive acknowledgment) and NACK (Negative Acknowledgement, negative acknowledgment).

[0090] By sending feedback information of downlink data received in the first link and the second link to the network device in the second link, the reception status of the downlink data in the first link and the second link is fed back to the network device, thereby reducing the risk of serious consequences due to failure to receive downlink data and ensuring the stability of data transmission in coordination with visible light communication and other communication means.

[0091] If the feedback information of the downlink data received in the first link includes NACK, the user equipment will receive the downlink data that failed to be transmitted in the first link and was retransmitted by the network device through at least one of the first link and the second link.

[0092] Correspondingly, if the feedback information of the downlink data received in the first link includes NACK, the network device will retransmit the downlink data that failed to be transmitted in the first link to the user equipment through at least one of the first link and the second link.

[0093] The feedback information received by the network device includes NACK, which indicates that the user device has not received the downlink data. The network device reduces the risk of serious consequences due to failure to receive downlink data by retransmitting the downlink data that failed to be transmitted in the first link to the user device, thereby ensuring the stability of data transmission in coordination with visible light communication and other communication means.

[0094] In some embodiments, how the user equipment receives, through at least one of the first link and the second link, downlink data that fails to be transmitted in the first link and is retransmitted by the network device is specifically as follows.

[0095] The user equipment may receive the downlink data that failed to be transmitted in the first link retransmitted by the network device through the first link. In response to the number of retransmissions reaching a threshold, the user equipment may also receive the downlink data that failed to be transmitted in the first link retransmitted by the network device through the second link.

[0096] Accordingly, the network device may retransmit the downlink data that failed to be transmitted in the first link to the user equipment through the first link. The network device may also retransmit the downlink data that failed to be transmitted in the first link to the user equipment through the second link in response to the number of retransmissions reaching a threshold.

[0097] When the number of retransmissions reaches a threshold, the network device continues to retransmit the downlink data that failed to be transmitted in the first link to the user device through the second link. On the basis of ensuring the stability of data transmission in coordination with visible light communication and other communication means, it also ensures the efficiency of data transmission in coordination with visible light communication and other communication means, and reduces the risk of downlink data transmission failure due to always transmitting downlink data in the first link in the first transmission mode.

[0098] In some embodiments, how the user equipment receives, through the second link, the downlink data that has failed to be transmitted in the first link and has been retransmitted by the network device is specifically as follows.

[0099] The user equipment receives, through the second link, the downlink data that failed to be transmitted in the first link and is retransmitted by the network device, as well as the HARQ (Hybrid Automatic Repeat reQuest) process number and the corresponding link identifier corresponding to the downlink data that failed to be transmitted.

[0100] Correspondingly, the network device retransmits the downlink data that failed to be transmitted in the first link to the user equipment through the second link, as well as the HARQ process number corresponding to the downlink data that failed to be transmitted and the identifier of the corresponding link.

[0101] Figure 2 Schematic diagrams showing other embodiments of the communication method of the present disclosure.

[0102] like Figure 2 As shown, the communication method includes steps 210 to 220, and the communication method is executed by a network device.

[0103] In step 210, measurement information sent by a user equipment is received through a second link, wherein the measurement information includes at least one of a first measurement result of a first link and a second measurement result of a second link, the first link is a transmission link under a first transmission mode, the second link is a transmission link under a second transmission mode, and the first transmission mode includes a visible light transmission mode.

[0104] In some embodiments, the network device further sends second configuration information to the user equipment, wherein the second configuration information includes a resource location of a downlink reference signal transmitted by the network device on the first link and the second link.

[0105] In some embodiments, before receiving the measurement information sent by the user equipment through the second link, the network equipment further receives capability information reported by the user equipment, wherein the capability information is used to indicate whether the user equipment supports the first transmission mode.

[0106] In step 220, first configuration information is determined and sent to the user equipment according to the measurement information, wherein the first configuration information is used to configure a transmission mode between the user equipment and the network device.

[0107] In the above embodiment, the network device receives measurement information, and determines and sends first configuration information to the user device based on the measurement information, which helps the user device determine the transmission mode between the user device and the network device based on the first configuration information. The first link and the second link are transmission links in the visible light transmission mode and transmission links in other communication modes, respectively. Through the method of the above embodiment, the user device and the network device can select the transmission mode based on the measurement results, and the visible light communication and other communication modes can be coordinated to communicate. It can not only take advantage of the wide spectrum range and simple deployment of visible light communication, but also meet the communication needs of the user device and ensure the communication quality through the combination of different communication modes.

[0108] In some embodiments, the network device sends first configuration information to the user equipment on the second link, wherein the first configuration information is used to configure the transmission mode between the user equipment and the network device to adopt the first transmission mode on the first link and the second transmission mode on the second link; and when the user equipment supports simultaneous transmission on the first link and the second link, the network device sends control information to the user equipment, communicates with the user equipment in the first link using the first transmission mode, and communicates with the user equipment in the second link using the second transmission mode.

[0109] How to determine the first configuration information according to the measurement information is described in detail as follows.

[0110] In some embodiments, if the first measurement result is greater than a first threshold, the first configuration information includes information indicating that the transmission mode is a first transmission mode and a second transmission mode; if the first measurement result is less than or equal to the first threshold, the first configuration information includes information indicating that the transmission mode is a second transmission mode.

[0111] In some embodiments, if the first measurement result is less than or equal to a first threshold or the difference between the first measurement result and the second measurement result is greater than a second threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode; if the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode.

[0112] In some embodiments, the measurement information also includes the service requirements of the user equipment, and the service requirements include at least one of reliability requirements and delay requirements. If the first measurement result is less than or equal to the first threshold, the difference between the first measurement result and the second measurement result is greater than the second threshold, the reliability requirement is greater than the third threshold, or the delay requirement is greater than the fourth threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode; if the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold and the reliability requirement is less than or equal to the third threshold and the delay requirement is less than or equal to the fourth threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode.

[0113] In some embodiments, the first configuration information is explicit configuration information or implicit configuration information. When the first configuration information is explicit configuration information, the first configuration information includes information for indicating at least one of the first transmission mode and the second transmission mode; when the first configuration information is implicit configuration information, the first configuration information includes transmission parameters of at least one of the first transmission mode and the second transmission mode.

[0114] In some embodiments, the transmission parameters include at least one of a transmission frequency band, a modulation method, and a transmission resource location.

[0115] In some embodiments, the network device further receives, through the second link, feedback information sent by the user equipment regarding downlink data received in the first link and the second link.

[0116] For example, the feedback information includes at least one of ACK and NACK.

[0117] In some embodiments, if the feedback information of the downlink data received in the first link includes NACK, the network device will retransmit the downlink data that failed to be transmitted in the first link to the user equipment through at least one of the first link and the second link.

[0118] In some embodiments, the network device retransmits the downlink data that failed to be transmitted in the first link to the user equipment through the first link, and in response to the number of retransmissions reaching a threshold, retransmits the downlink data that failed to be transmitted in the first link to the user equipment through the second link.

[0119] In some embodiments, the network device may further retransmit the downlink data that failed to be transmitted in the first link to the user equipment through the second link, as well as the HARQ process number and the corresponding link identifier corresponding to the downlink data that failed to be transmitted.

[0120] Figure 3 Schematic diagrams showing still some embodiments of the communication method of the present disclosure.

[0121] like Figure 3 As shown, the communication method includes steps 310 to 340.

[0122] In step 310, the user equipment reports capability information to the network device, wherein the capability information is used to indicate whether the user equipment supports the first transmission mode.

[0123] In step 320, for a user device supporting the first transmission mode, based on the second configuration information sent by the network device, determine the resource location of the downlink reference signal transmitted by the network device in the first link and the second link, measure the downlink reference signal in the first link and the second link, and send measurement information to the network device on the second link, wherein the measurement information includes at least one of the first measurement result of the first link and the second measurement result of the second link.

[0124] In step 330, the user equipment determines a current transmission mode according to the first configuration information sent by the network equipment, wherein the transmission mode includes at least one of a first transmission mode and a second transmission mode, and the first transmission mode includes a visible light transmission mode.

[0125] In step 340, the user equipment reports on the second link an ACK or a NACK for receiving downlink data in the first link and the second link.

[0126] In the above embodiment, the transmission mode can be selected between the user device and the network device based on the measurement results, thereby realizing the coordinated communication of visible light communication and other communication methods. It can not only utilize the advantages of the wide spectrum range and simple deployment of visible light communication, but also meet the communication needs of the user device and ensure the communication quality through the combination of different communication methods.

[0127] Figure 4 A schematic diagram showing some embodiments of user equipment of the present disclosure.

[0128] like Figure 4 As shown, the user equipment 40 includes a measuring unit 41 , a sending unit 42 and a first determining unit 43 .

[0129] The measuring unit 41 is configured to measure the first link and the second link to obtain a first measurement result of the first link and a second measurement result of the second link, wherein the first link is a transmission link under a first transmission mode, the second link is a transmission link under a second transmission mode, and the first transmission mode includes a visible light transmission mode.

[0130] In some embodiments, the second transmission mode includes at least one of LTE and NR transmission modes.

[0131] In some embodiments, the measurement unit 41 is further configured to receive second configuration information sent by the network device; determine the resource location of the downlink reference signal transmitted by the network device in the first link and the second link based on the second configuration information; and measure the downlink reference signal based on the resource location to obtain a first measurement result of the first link and a second measurement result of the second link.

[0132] In some embodiments, the first measurement result includes a received power of a downlink reference signal transmitted by the first link, and / or the second measurement result includes a received power of a downlink reference signal transmitted by the second link.

[0133] In some embodiments, the first configuration information is explicit configuration information or implicit configuration information. When the first configuration information is explicit configuration information, the first configuration information includes information for indicating at least one of the first transmission mode and the second transmission mode; when the first configuration information is implicit configuration information, the first configuration information includes transmission parameters of at least one of the first transmission mode and the second transmission mode.

[0134] In some embodiments, the transmission parameters include at least one of a transmission frequency band, a modulation method, and a transmission resource location.

[0135] The sending unit 42 is configured to send measurement information to the network device on the second link, wherein the measurement information includes at least one of the first measurement result and the second measurement result.

[0136] In some embodiments, the sending unit 42 is further configured to send feedback information of receiving downlink data in the first link and the second link to the network device in the second link.

[0137] In some embodiments, the feedback information includes at least one of a positive acknowledgement ACK and a negative acknowledgement NACK.

[0138] In some embodiments, the user equipment 40 also includes a receiving unit, which is configured to receive downlink data that failed to be transmitted in the first link retransmitted by the network device through at least one of the first link and the second link when the feedback information of the downlink data received in the first link includes a negative acknowledgment NACK.

[0139] In some embodiments, the receiving unit is further configured to receive the downlink data that failed to be transmitted in the first link retransmitted by the network device through the first link; in response to the number of retransmissions reaching a threshold, receive the downlink data that failed to be transmitted in the first link retransmitted by the network device through the second link.

[0140] In some embodiments, the receiving unit is further configured to receive, through the second link, downlink data that failed to be transmitted in the first link and retransmitted by the network device, as well as a HARQ process number corresponding to the downlink data that failed to be transmitted and an identifier of the corresponding link.

[0141] In some embodiments, the sending unit 42 is further configured to report capability information to the network device, wherein the capability information is used to indicate whether the user equipment supports the first transmission mode.

[0142] The first determining unit 43 is configured to determine a transmission mode between the user equipment and the network device according to the first configuration information sent by the network device.

[0143] In some embodiments, the first configuration information is determined by the network device according to measurement information.

[0144] In some embodiments, the first determination unit 43 is further configured to receive first configuration information sent by the network device in the second link; and determine, according to the first configuration information, that the transmission mode between the user equipment and the network device is to use the first transmission mode in the first link and the second transmission mode in the second link.

[0145] In some embodiments, the user equipment also includes a configuration unit, which is configured to communicate with the network device using a first transmission mode on the first link and a second transmission mode on the second link according to control information sent by the network device when the user equipment supports simultaneous transmission on the first link and the second link.

[0146] In some embodiments, the control information is transmitted on the second link.

[0147] In the above embodiment, the transmission mode can be selected between the user device and the network device based on the measurement results, thereby realizing the coordinated communication of visible light communication and other communication methods. It can not only utilize the advantages of the wide spectrum range and simple deployment of visible light communication, but also meet the communication needs of the user device and ensure the communication quality through the combination of different communication methods.

[0148] Figure 5 Schematic diagram showing some embodiments of the network device of the present disclosure.

[0149] like Figure 5 As shown, the network device 50 includes a receiving unit 51 and a second determining unit 52 .

[0150] The receiving unit 51 is configured to receive measurement information sent by the user equipment through the second link, wherein the measurement information includes at least one of a first measurement result of the first link and a second measurement result of the second link, the first link is a transmission link under the first transmission mode, the second link is a transmission link under the second transmission mode, and the first transmission mode includes a visible light transmission mode.

[0151] In some embodiments, the network device 50 further includes a sending unit configured to send second configuration information to the user equipment, wherein the second configuration information includes a resource location of a downlink reference signal transmitted by the network device on the first link and the second link.

[0152] In some embodiments, the receiving unit 51 is further configured to receive capability information reported by the user equipment before receiving the measurement information sent by the user equipment through the second link, wherein the capability information is used to indicate whether the user equipment supports the first transmission mode.

[0153] In some embodiments, the receiving unit 51 is further configured to receive feedback information sent by the user equipment through the second link regarding downlink data received in the first link and the second link.

[0154] For example, the feedback information includes at least one of ACK and NACK.

[0155] In some embodiments, if the feedback information of the downlink data received in the first link includes NACK, the receiving unit 51 is further configured to retransmit the downlink data that failed to be transmitted in the first link to the user equipment through at least one of the first link and the second link.

[0156] In some embodiments, the receiving unit 51 is further configured to retransmit the downlink data that failed to be transmitted in the first link to the user equipment via the first link, and in response to the number of retransmissions reaching a threshold, retransmit the downlink data that failed to be transmitted in the first link to the user equipment via the second link.

[0157] In some embodiments, the receiving unit 51 is further configured to retransmit the downlink data that failed to be transmitted in the first link to the user equipment through the second link, as well as the HARQ process number corresponding to the downlink data that failed to be transmitted and the identifier of the corresponding link.

[0158] The second determining unit 52 is configured to determine, according to the measurement information, and send first configuration information to the user equipment.

[0159] In some embodiments, the second determination unit 52 is further configured to send first configuration information to the user equipment on the second link, wherein the first configuration information is used to configure the transmission mode between the user equipment and the network device to adopt the first transmission mode in the first link and the second transmission mode in the second link; and when the user equipment supports simultaneous transmission on the first link and the second link, send control information to the user equipment, communicate with the user equipment in the first link in the first transmission mode, and communicate with the user equipment in the second link in the second transmission mode.

[0160] In some embodiments, the second determination unit 52 is further configured that, when the first measurement result is greater than the first threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode; when the first measurement result is less than or equal to the first threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode.

[0161] In some embodiments, the second determination unit 52 is further configured to, when the first measurement result is less than or equal to the first threshold or the difference between the first measurement result and the second measurement result is greater than the second threshold, include information indicating that the transmission mode is the second transmission mode in the first configuration information; and when the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold, include information indicating that the transmission mode is the first transmission mode and the second transmission mode in the first configuration information.

[0162] In some embodiments, the measurement information also includes the service requirements of the user equipment, which service requirements include at least one of reliability requirements and delay requirements. The second determination unit 52 is also configured to include information indicating that the transmission mode is the second transmission mode when the first measurement result is less than or equal to the first threshold, the difference between the first measurement result and the second measurement result is greater than the second threshold, the reliability requirement is greater than the third threshold, or the delay requirement is greater than the fourth threshold. The first configuration information includes information indicating that the transmission mode is the second transmission mode; when the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold and the reliability requirement is less than or equal to the third threshold and the delay requirement is less than or equal to the fourth threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode.

[0163] In some embodiments, the first configuration information is explicit configuration information or implicit configuration information. When the first configuration information is explicit configuration information, the first configuration information includes information for indicating at least one of the first transmission mode and the second transmission mode; when the first configuration information is implicit configuration information, the first configuration information includes transmission parameters of at least one of the first transmission mode and the second transmission mode.

[0164] In some embodiments, the transmission parameters include at least one of a transmission frequency band, a modulation method, and a transmission resource location.

[0165] In the above embodiment, the transmission mode can be selected between the user device and the network device based on the measurement results, thereby realizing the coordinated communication of visible light communication and other communication methods. It can not only utilize the advantages of the wide spectrum range and simple deployment of visible light communication, but also meet the communication needs of the user device and ensure the communication quality through the combination of different communication methods.

[0166] Figure 6 Schematic diagrams showing some embodiments of the communication device of the present disclosure.

[0167] like Figure 6 As shown, the communication device 60 of this embodiment includes: a memory 61 and a processor 62 coupled to the memory 61 , and the processor 62 is configured to execute the communication method in any one of the aforementioned embodiments based on the instructions stored in the memory 61 .

[0168] The memory 61 may include, for example, a system memory, a fixed non-volatile storage medium, etc. The system memory may store, for example, an operating system, an application program, a boot loader, and other programs.

[0169] The communication device 60 may also include an input / output interface 63, a network interface 64, a storage interface 65, etc. These interfaces 63, 64, 65, the memory 61, and the processor 62 may be connected, for example, via a bus 66. The input / output interface 63 provides a connection interface for input / output devices such as a display, a mouse, a keyboard, a touch screen, a microphone, and a speaker. The network interface 64 provides a connection interface for various networked devices. The storage interface 65 provides a connection interface for external storage devices such as an SD card and a USB flash drive.

[0170] In the above embodiment, the transmission mode can be selected between the user device and the network device based on the measurement results, thereby realizing the coordinated communication of visible light communication and other communication methods. It can not only utilize the advantages of the wide spectrum range and simple deployment of visible light communication, but also meet the communication needs of the user device and ensure the communication quality through the combination of different communication methods.

[0171] In some embodiments, a computer program product is protected, including a computer program or an instruction, which implements the above-mentioned communication method when the computer program or instruction is executed by a processor. The computer program product includes a computer program carried on a computer-readable medium, and the computer program contains program code for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from a network through a communication device, or installed from a storage device, or installed from a ROM. When the computer program is executed by the CPU, the above-mentioned functions defined in the method of the embodiment of the present disclosure are executed.

[0172] Those skilled in the art will appreciate that the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Furthermore, the present disclosure may take the form of a computer program product implemented on one or more computer-usable non-transient storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0173] So far, the communication method, apparatus, user equipment, network equipment and computer program product of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed herein.

[0174] The method and system of the present disclosure may be implemented in many ways. For example, the method and system of the present disclosure may be implemented by software, hardware, firmware, or any combination of software, hardware, and firmware. The above order of steps for the method is for illustration only, and the steps of the method of the present disclosure are not limited to the order specifically described above, unless otherwise specifically stated. In addition, in some embodiments, the present disclosure may also be implemented as a program recorded in a recording medium, which includes machine-readable instructions for implementing the method according to the present disclosure. Therefore, the present disclosure also covers a recording medium storing a program for executing the method according to the present disclosure.

[0175] Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims

1. A communication method, performed by a user equipment, comprising: Measuring a first link and a second link to obtain a first measurement result of the first link and a second measurement result of the second link, wherein the first link is a transmission link in a first transmission mode, the second link is a transmission link in a second transmission mode, and the first transmission mode includes a visible light transmission mode; Sending measurement information to a network device on the second link, wherein the measurement information includes at least one of the first measurement result and the second measurement result; A transmission mode between the user equipment and the network device is determined according to the first configuration information sent by the network device.

2. The communication method according to claim 1, wherein: The measuring the first link and the second link to obtain a first measurement result of the first link and a second measurement result of the second link includes: Receiving second configuration information sent by the network device; Determine, according to the second configuration information, a resource location of a downlink reference signal transmitted by the network device in the first link and the second link; The downlink reference signal is measured according to the resource position to obtain a first measurement result of the first link and a second measurement result of the second link.

3. The communication method according to claim 2, wherein: The first measurement result includes a received power of a downlink reference signal transmitted by the first link, and / or the second measurement result includes a received power of a downlink reference signal transmitted by the second link.

4. The communication method according to claim 1, wherein: The first configuration information is explicit configuration information or implicit configuration information, In a case where the first configuration information is the explicit configuration information, the first configuration information includes information for indicating at least one of the first transmission mode and the second transmission mode; In the case where the first configuration information is the implicit configuration information, the first configuration information includes transmission parameters of at least one of the first transmission mode and the second transmission mode.

5. The communication method according to claim 4, wherein: The transmission parameter includes at least one of a transmission frequency band, a modulation mode, and a transmission resource location.

6. The communication method according to any one of claims 1 to 5, wherein: The determining, according to the first configuration information sent by the network device, a transmission mode between the user equipment and the network device comprises: receiving, on the second link, first configuration information sent by the network device; The transmission mode between the user equipment and the network device is determined according to the first configuration information to be a first transmission mode in the first link and a second transmission mode in the second link.

7. The communication method according to claim 6, further comprising: In the case where the user equipment supports simultaneous transmission on the first link and the second link, based on control information sent by the network device, the first transmission mode is used to communicate with the network device on the first link, and the second transmission mode is used to communicate with the network device on the second link.

8. The communication method according to claim 7, wherein: The control information is transmitted on the second link.

9. The communication method according to claim 7, further comprising: Feedback information of receiving downlink data in the first link and the second link is sent to the network device in the second link.

10. The communication method according to claim 9, wherein: The feedback information includes at least one of a positive acknowledgement ACK and a negative acknowledgement NACK.

11. The communication method according to claim 9, further comprising: In a case where feedback information of receiving downlink data in the first link includes a negative acknowledgement NACK, the downlink data that fails to be transmitted in the first link and is retransmitted by the network device is received through at least one of the first link and the second link.

12. The communication method according to claim 11, wherein: The receiving, through at least one of the first link and the second link, the downlink data that fails to be transmitted in the first link and is retransmitted by the network device comprises: receiving, through the first link, downlink data that fails to be transmitted in the first link and is retransmitted by the network device; In response to the number of retransmissions reaching a threshold, receiving, via the second link, the downlink data that failed to be transmitted in the first link and was retransmitted by the network device.

13. The communication method according to claim 12, wherein: The receiving, through the second link, the downlink data that fails to be transmitted in the first link and is retransmitted by the network device comprises: The downlink data that fails to be transmitted in the first link and is retransmitted by the network device through the second link, as well as the hybrid automatic repeat request HARQ process number and the corresponding link identifier corresponding to the downlink data that fails to be transmitted.

14. The communication method according to any one of claims 1 to 5, further comprising: Report capability information to the network device, wherein the capability information is used to indicate whether the user equipment supports the first transmission mode.

15. The communication method according to any one of claims 1 to 5, wherein: The second transmission mode includes at least one of a long term evolution LTE and a new radio interface NR transmission mode, and the first configuration information is determined by the network device according to the measurement information.

16. A communication method, performed by a network device, comprising: receiving measurement information sent by a user equipment through a second link, wherein the measurement information includes at least one of a first measurement result of a first link and a second measurement result of the second link, the first link is a transmission link in a first transmission mode, the second link is a transmission link in a second transmission mode, and the first transmission mode includes a visible light transmission mode; Determine and send first configuration information to the user equipment according to the measurement information, wherein the first configuration information is used to configure a transmission mode between the user equipment and the network device.

17. The communication method according to claim 16, wherein: The sending first configuration information to the user equipment includes: Sending the first configuration information to the user equipment on the second link, wherein the first configuration information is used to configure a transmission mode between the user equipment and the network device to use a first transmission mode on the first link and a second transmission mode on the second link; In a case where the user equipment supports simultaneous transmission on the first link and the second link, control information is sent to the user equipment, the first transmission mode is used to communicate with the user equipment on the first link, and the second transmission mode is used to communicate with the user equipment on the second link.

18. The communication method according to claim 17, further comprising: Sending second configuration information to the user equipment, wherein the second configuration information includes a resource location of a downlink reference signal transmitted by the network device in the first link and the second link.

19. The communication method according to claim 17, wherein: The determining, according to the measurement information, the first configuration information comprises: When the first measurement result is greater than a first threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode; When the first measurement result is less than or equal to the first threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode.

20. The communication method according to claim 17, wherein: The determining, according to the measurement information, the first configuration information further includes: In a case where the first measurement result is less than or equal to a first threshold or a difference between the first measurement result and the second measurement result is greater than a second threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode; In a case where the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode.

21. The communication method according to claim 17, wherein: The measurement information further includes a service requirement of the user equipment, wherein the service requirement includes at least one of a reliability requirement and a delay requirement. The determining, according to the measurement information, the first configuration information further includes at least one of the following: When the first measurement result is less than or equal to a first threshold, the difference between the first measurement result and the second measurement result is greater than a second threshold, the reliability requirement is greater than a third threshold, or the delay requirement is greater than a fourth threshold, the first configuration information includes information indicating that the transmission mode is the second transmission mode; When the first measurement result is greater than the first threshold and the difference is less than or equal to the second threshold and the reliability requirement is less than or equal to the third threshold and the delay requirement is less than or equal to the fourth threshold, the first configuration information includes information indicating that the transmission mode is the first transmission mode and the second transmission mode.

22. The communication method according to any one of claims 17 to 21, further comprising: Feedback information of receiving downlink data in the first link and the second link, which is sent by the user equipment, is received through the second link.

23. The communication method according to claim 22, wherein: The feedback information includes at least one of a positive acknowledgement ACK and a negative acknowledgement NACK.

24. The communication method according to claim 22, further comprising: In a case where feedback information of downlink data received in the first link includes a negative acknowledgement NACK, the downlink data that fails to be transmitted in the first link is retransmitted to the user equipment through at least one of the first link and the second link.

25. The communication method according to claim 24, wherein: The retransmitting, to the user equipment through at least one of the first link and the second link, the downlink data that failed to be transmitted in the first link comprises: retransmitting the downlink data that failed to be transmitted in the first link to the user equipment through the first link; In response to the number of retransmissions reaching a threshold, the downlink data that failed to be transmitted in the first link is retransmitted to the user equipment via the second link.

26. The communication method according to claim 25, wherein: The retransmitting the downlink data that failed to be transmitted in the first link through the second link includes: The downlink data that failed to be transmitted in the first link is retransmitted to the user equipment through the second link, and the hybrid automatic repeat request HARQ process number corresponding to the downlink data that failed to be transmitted and the identifier of the corresponding link.

27. The communication method according to any one of claims 16 to 21, further comprising: Receive capability information reported by the user equipment, wherein the capability information is used to indicate whether the user equipment supports the first transmission mode.

28. The communication method according to any one of claims 16 to 21, wherein: The first configuration information is explicit configuration information or implicit configuration information, In a case where the first configuration information is the explicit configuration information, the first configuration information includes information for indicating at least one of the first transmission mode and the second transmission mode; In the case where the first configuration information is the implicit configuration information, the first configuration information includes transmission parameters of at least one of the first transmission mode and the second transmission mode.

29. The communication method according to claim 28, wherein: The transmission parameter includes at least one of a transmission frequency band, a modulation mode, and a transmission resource location.

30. A user equipment, comprising: a measuring unit, configured to measure a first link and a second link to obtain a first measurement result of the first link and a second measurement result of the second link, wherein the first link is a transmission link in a first transmission mode, the second link is a transmission link in a second transmission mode, and the first transmission mode includes a visible light transmission mode; a sending unit, configured to send measurement information to the network device on the second link, wherein the measurement information includes at least one of the first measurement result and the second measurement result; The first determining unit is configured to determine a transmission mode between the user equipment and the network device according to first configuration information sent by the network device.

31. A network device comprising: a receiving unit, configured to receive measurement information sent by a user equipment through a second link, wherein the measurement information includes at least one of a first measurement result of a first link and a second measurement result of the second link, the first link is a transmission link in a first transmission mode, the second link is a transmission link in a second transmission mode, and the first transmission mode includes a visible light transmission mode; The second determining unit is configured to determine, according to the measurement information, and send first configuration information to the user equipment.

32. A communication device, comprising: Memory; and A processor coupled to the memory, the processor being configured to execute the communication method according to any one of claims 1 to 29 based on instructions stored in the memory.

33. A computer-readable storage medium having computer instructions stored thereon, which, when executed by a processor, implement the communication method according to any one of claims 1 to 29.

34. A computer program product, comprising computer instructions, which, when executed by a processor, implement the communication method according to any one of claims 1 to 29.

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