Communication method, communication device and computer readable storage medium

Abstract

Provided are a communication method, a communication device and a computer readable storage medium, which relate to the field of communications, and can send configuration information required for establishing a communication link to a non-access point station device through an access device, so that the non-access point station device and the access device can quickly establish a communication link based on the configuration information. The communication method comprises the following steps: a first access device transmits a first data frame with a non-access point station device through a first communication link; the first access device sends configuration information to the non-access point station device through the second communication link, the configuration information is used for establishing a third communication link between the non-access point station device and the second access device, the working frequencies of the first communication link and the third communication link are located in a first working frequency range, and the working frequencies of the first communication link and the third communication link are located in a second working frequency range; the working frequency of the second communication link is located in a second working frequency range, and frequency values included in the first working frequency range are all larger than frequency values included in the second working frequency range. The embodiment of the invention is applied to the field of communication.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of communications, and in particular, to a communication method, a communication device, and a computer-readable storage medium. Background Art

[0002] Currently, Wi-Fi technology has become popular and has become the most widely used wireless network transmission technology. Generally speaking, Wi-Fi technology involves two types of communication devices: access point (AP, also known as access device) and station (STA, also known as non-access point station device or endpoint device). Communication devices usually transmit signals through communication links to achieve communication. Among them, communication based on millimeter wave communication links has gradually become one of the key technologies in the field of communication. The relevant information (such as the corresponding key) for STA to establish millimeter wave communication links with different APs is usually maintained by AP.

[0003] Due to the increase in the transmission signal frequency in the 5G scenario, the bandwidth and the number of channels have also increased significantly, which puts higher requirements on the transmission quality of the communication network (such as transmission bandwidth and transmission distance). Therefore, in order to ensure the transmission quality of the communication network, a multi-access point collaboration solution is proposed for the next generation Wi-Fi network. Generally, this solution can be implemented through the integration of optical communication technology and Wi-Fi technology. Specifically, by moving the media access control (MAC) layer and its upper layers to a centralized structure, a centralized Wi-Fi access network (C-WAN) is formed, thereby better supporting the proposed multi-AP collaboration solution.

[0004] When the communication network uses millimeter wave communication links for communication, when the STA roams from one room to another (i.e., roaming across rooms), it is necessary to establish a new millimeter wave communication link with the AP in the other room. However, due to the high loss of millimeter wave passing through walls, there is a high possibility of signal blind spots that cannot be covered by millimeter waves, resulting in the inability to establish a millimeter wave communication link between the AP and the STA in the other room to achieve communication; at the same time, when the millimeter wave communication link is re-established between the terminal device and the AP, it is necessary to go online and offline again. The switching delay of this process is usually high, which may reach 80 milliseconds (ms) to 300ms. Then, when the STA roams across rooms, the millimeter wave communication link cannot adaptively complete the switching in time, resulting in a poor network experience for users. Summary of the invention

[0005] The present application provides a communication method, a communication device and a computer-readable storage medium, which can send configuration information required for establishing a communication link to a non-access point site device through an access device, so that the non-access point site device and the access device can quickly establish a communication link based on the configuration information.

[0006] In a first aspect, a communication method is provided. The communication method can be executed by an access device, including: a first access device transmits a first data frame to a non-access point site device through a first communication link; the first access device sends configuration information to the non-access point site device through a second communication link, and the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein the operating frequencies of the first communication link and the third communication link are within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0007] Then, the non-access point site device and the access device in the above scheme can transmit signals through two communication links with different working frequency ranges; at the same time, the access device can send configuration information to the non-access point site device through the communication link with a lower working frequency (the second communication link), and the configuration information can be used for the non-access point site device to establish a communication link with a higher working frequency with other access devices. Usually, a communication network includes multiple access devices, and the position of the non-access point site device is not fixed. In a possible implementation, an access device is deployed in each room in the communication network. When the non-access point site device moves from one room (deployed with the first access device) to another room (deployed with the second access device), the wall penetration loss of the signal transmitted between the non-access point site device and the first access device is high, and the normal communication between the two cannot be maintained through the first communication link. The non-access point site device needs to establish a communication link with the second access device. Since the establishment of a millimeter wave communication link usually requires the non-access point site device to go online and offline on the communication link again (including completing two handshakes), and also establish new configuration information, this process is often time-consuming, resulting in a delay of 80ms-300ms. However, there is no need to re-establish a connection between the non-access point site device and the second access device in the above scheme, and a communication link can be quickly established based on the configuration information transmitted by the second communication link received by the non-access point site device. Specifically, the third communication link and the first communication link have a higher operating frequency and are located in the same operating frequency range, and are the same type of communication links. When the transmission quality of the first communication link cannot maintain the predetermined standard, based on the configuration information sent by the access device through the second communication link, a communication link (third communication link) can be quickly established between the non-access point site device and the second access device. Then, the above scheme can send the configuration information for establishing another communication link to the non-access point site device through a communication link between the non-access point site device and the access device. Based on the configuration information, a new communication link can be established in a timely manner between communication devices (including non-access point site devices and access devices), thereby reducing latency and improving user experience.

[0008] In a possible implementation, the first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

[0009] Then, the first operating frequency range with a higher frequency in the above scheme corresponds to the millimeter wave communication link, and the second operating frequency range with a lower frequency corresponds to the Sub-6G communication link, that is, the non-access point site device and the access device can simultaneously transmit signals through the millimeter wave communication link and the Sub-6G communication link. It is not difficult to understand that a frequency band usually represents a specific frequency range, so the operating frequency range in the above scheme can also be referred to as an operating frequency band, and this application does not limit this. Specifically, as a key technology for short-distance communication, the millimeter wave communication link has a wide transmission bandwidth and a fast transmission speed, but a high propagation loss and poor penetration ability; the Sub-6G communication link can realize long-distance signal transmission, has strong penetration, but a narrow transmission bandwidth. For example, when it is necessary to realize long-distance transmission of the signal, the signal can be transmitted through the Sub-6G communication link; when it is necessary to realize high-speed transmission of the signal, the signal can be transmitted through the millimeter wave communication link. In this way, the non-access point site device and the access device can first realize signal transmission through two millimeter wave communication links and Sub-6G communication links with different operating frequency ranges; at the same time, the access device can send configuration information to the non-access point site device through the Sub-6G communication link with a lower operating frequency, and the configuration information can be used to establish a millimeter wave communication link with a higher operating frequency. Then, through the above scheme, the non-access point site device and the access device communicate through two communication links (millimeter wave communication link and Sub-6G communication link), which can improve the transmission quality, adapt to different application scenarios, and improve the compatibility of communication equipment.

[0010] In a possible implementation manner, before the first access device sends configuration information to the non-access point site device through the second communication link, the first access device determines that the transmission quality of the first communication link does not meet a predetermined standard.

[0011] Then, the non-access point site device and the access device in the above scheme can firstly simultaneously transmit signals through two communication links (the first communication link and the second communication link). Further, when the access device determines that the transmission quality of the first communication link of the two communication links does not meet the predetermined standard, that is, when it determines that the communication link cannot maintain normal communication, it will send configuration information to the non-access point site device through another communication link (the second communication link). Wherein, the access device determines that the transmission quality of the communication link does not meet the predetermined standard, including: the access device detects that the received signal strength indication (RSSI) of the communication link does not meet the predetermined threshold (usually defaulted to -80 decibel milliwatts (dbm)), determines that the transmission quality of the communication link does not meet the predetermined standard, and cannot maintain normal communication. Or, the access device detects that the ratio of the number of lost data packets to the sent data group (i.e., the packet loss rate) when the communication link transmits data is too high (for example, the packet loss rate is greater than 90%), and determines that the communication link cannot maintain normal communication. Then, the access device will send configuration information to the non-access point site device. Furthermore, based on the configuration information, a corresponding communication link can be established between the non-access point site device and the access device to ensure the communication quality between the communication devices. In this way, through the above scheme, the access device can first determine the transmission quality of the communication link. When it is determined that the transmission quality of the communication link does not meet the predetermined standard, the configuration information for establishing another communication link is sent to the non-access point site device, and the configuration information can be used to establish a new communication link between the communication devices. Then, the above scheme can determine the transmission quality of the communication link through the access device, thereby promptly determining the failure of the communication link; and then by sending the configuration information that can be used to establish the communication link between the communication devices, the communication link can be quickly established to ensure the normal transmission of the signal, thereby ensuring the transmission quality of the communication network.

[0012] In a possible implementation, the first access device sends configuration information to the non-access point site device through the second communication link, including: the first access device sends a second data frame to the non-access point site device through the second communication link, wherein the second data frame carries the configuration information.

[0013] Then, the access device in the above scheme sends a second data frame carrying configuration information to the non-access point site device through the second communication link, so as to send the configuration information to the non-access point site device. In a possible implementation, the second data frame may be a data frame corresponding to the wireless local area network universal standard (IEEE 802.11) protocol (referred to as an 802.11 frame), or the second data frame may also be a partial data frame carried in the 802.11 frame. Among them, the configuration information carried by the second data frame may be a configuration parameter for establishing other communication links (excluding the second communication link). In this way, the configuration parameters for establishing other communication links can be sent to the non-access point site device through the second communication link by the access device. Based on the configuration parameters received by the non-access point site device, a new communication link can be quickly established without re-establishing a connection (for example, re-entering the line). Then, the data frame sent by the above scheme through the communication link can transmit the configuration information carried by the data frame to the non-access point site device, and the configuration information can be used to establish a new communication link between the communication devices, thereby reducing the communication link switching delay.

[0014] In a possible implementation manner, the second data frame includes: a first data field, wherein the configuration information is set in the first data field.

[0015] Then, through the above scheme, the configuration information can be set in the data field of the data frame, and then transmitted to the non-access point site device through the communication link. Usually, the length of the data field included in a data frame is fixed. In this way, the configuration information can be carried by a data field of a certain length, or the configuration information can also be carried by a data field of the entire length. For example, the access device can change the content of the configuration parameters carried by the data frame according to actual conditions, and set it in a data field of corresponding length in the data frame. Furthermore, the non-access point site device receives the data frame and can parse the data frame according to the corresponding protocol to obtain the corresponding configuration information. Then, in the above scheme, the configuration information carried by the data frame is set in the data field, so that the access device can flexibly select the configuration parameters to be sent to the non-access point site device, which facilitates the non-access point site device to parse the received data frame to obtain the corresponding configuration parameters.

[0016] In a possible implementation manner, the second data frame includes: a first identification field, where the first identification field is used to instruct the non-access point station device to save configuration information according to the received second data frame.

[0017] Then, through the above scheme, the data frame sent by the access device to the non-access point site device through the communication link also includes an identification field; based on the identification field, the non-access point site device can save the corresponding configuration information. Specifically, the data frame sent by the access device includes the configuration information carried, and also includes an identification field for indicating that the non-access point site device saves the configuration information. In a possible implementation, the data frame sent by the access device is transmitted to the non-access point site device through the communication link, and the non-access point site device parses the received data frame, and can obtain the configuration information carried by the received data frame, and then saves the configuration information according to the identification field included in the data frame. Furthermore, if the communication link between the communication devices cannot be maintained, the configuration information can be used for the non-access point site device to establish a new communication link with other communication devices, and the communication quality between the communication devices can be guaranteed. Then, in the above scheme, the identification field included in the sent data frame can enable the non-access point site device to save the received configuration information. When the communication link fails, a new communication link can be quickly established based on the saved configuration information, ensuring that the communication devices can communicate normally and improving the user experience.

[0018] In a possible implementation manner, the second data frame includes: a control field, and the first identification field is set in the control field.

[0019] Then, the second data frame in the above scheme includes a control field in which the first identification field is set. Specifically, the data frame generally includes a frame header and a data part in structure, wherein the frame header is located at the front end of the data frame and includes control information (such as address information); the data part includes relevant data to be transmitted. Taking the 802.11 frame as an example, it includes a control field (also called a frame control field (frame control)) containing multiple identification bits, wherein the frame control field includes a type field for indicating the 802.11 frame type and a subtype field for indicating that the 802.11 frame is specifically of a certain type; as well as a data field and a frame check sum (FSC) field. In a possible implementation, the second data frame is carried in the 802.11 frame, the first identification field is set in the type field and the subtype field in the frame control field, and the configuration information is set in the data field. The non-access point station device will parse the received 802.11 frame based on the IEEE 802.11 protocol, and can obtain the first identification field by parsing the frame control field, and then obtain the configuration information in the data field according to the indication of the first identification field (for example, indicating the starting position of the configuration information in the data field). Then, the data frame in the above scheme can set the identification field in the control field, and the configuration information in the data frame can be parsed through the identification field, thereby ensuring that the corresponding communication link can be established between the communication devices based on the configuration information.

[0020] In a possible implementation, the configuration information includes a key required to establish the third communication link.

[0021] Then, the configuration information in the above scheme may only include the key required to establish the third communication link. Among them, the key can be used to encrypt and decrypt the communication link, thereby preventing unauthorized users from accessing the corresponding wireless network. Therefore, when a communication link is established between a non-access point site device and an access device based on the configuration information, the configuration information should at least include the corresponding key to ensure that the non-access point site device and the access device are authorized to access the corresponding wireless network, and then achieve communication through the established communication link. Then, through the above scheme, the present application includes a key for the configuration information, so that the communication device (such as a non-access point site device, an access device) can access the corresponding wireless network based on the key, and then achieve communication by establishing a communication link.

[0022] In a possible implementation manner, the configuration information further includes one or more of the following items required to establish the third communication link: uplink and downlink channel frequency bands, channel bandwidth, power saving period, rate supported by the non-access point site device, and beam azimuth.

[0023] Then, in the above scheme, the configuration information required to establish the third communication link may include: one or more configuration parameters of the uplink and downlink channel frequency bands, channel bandwidth, power saving cycle, and the rate supported by the non-access point site device. Among them, the uplink and downlink channel frequency bands refer to the frequency band number for data transmission in the uplink direction and the frequency band for data transmission in the downlink direction; channel bandwidth refers to the channel bandwidth for data transmission in the uplink direction and the channel bandwidth for data transmission in the downlink direction; power saving cycle refers to the fixed time interval corresponding to the periodic data transmission and reception process of the non-access point site device when the device is online (awake state); the rate supported by the non-access point site device includes: modulation and coding scheme (MCS), coding rate (referring to the number of bits encoded per unit time), modulation order (referring to the number of bits that can be carried simultaneously by each symbol); beam azimuth angle includes the horizontal beam angle and the vertical beam angle. In a possible implementation, the configuration information may include only one of them. For another example, if the non-access point site device has already obtained the uplink and downlink channel frequency bands and channel bandwidths through other means, the access device only needs to send configuration information including the power saving period, the rate supported by the non-access point site device, and the beam azimuth to the non-access point site device through the communication link. In this way, the access device can send configuration information including only one configuration parameter to the non-access point site device multiple times through the communication link, or the access device can also send configuration information including all configuration parameters to the non-access point site device at one time through the communication link, and finally send all configuration parameters included in the configuration information to the non-access point site device. Then, through the above scheme, the present application does not specifically limit the type and number of configuration parameters included in the configuration information, so that the access device can selectively send corresponding configuration information to the non-access point site device once or multiple times according to actual conditions, which is more efficient.

[0024] In a second aspect, a communication method is provided. The communication method can be executed by a non-access point site device, including: the non-access point site device transmits a first data frame to a first access device via a first communication link; the non-access point site device receives configuration information sent by the first access device via a second communication link, and the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein the operating frequencies of the first communication link and the third communication link are within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0025] In a possible implementation, the first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

[0026] In a possible implementation, the non-access point site device receives the configuration information sent by the first access device through the second communication link, including: the non-access point site device receives the second data frame sent by the first access device through the second communication link, wherein the second data frame carries the configuration information.

[0027] In a possible implementation manner, the second data frame includes: a first data field, wherein the configuration information is set in the first data field.

[0028] In a possible implementation manner, the second data frame includes: a first identification field, where the first identification field is used to instruct the non-access point station device to save configuration information according to the received second data frame.

[0029] In a possible implementation manner, the second data frame includes: a control field, and the first identification field is set in the control field.

[0030] In a possible implementation, the non-access point site device receives a second data frame sent by the first access device, and saves configuration information according to the second data frame; the non-access point site device sends a second data response frame to the first access device through the second communication link, wherein the second data response frame is used to indicate that the non-access point site device has saved the configuration information.

[0031] Then, the non-access point site device in the above scheme can save the corresponding configuration information according to the received data frame, and send a response frame to the access device after saving. Further, the access device can determine that the sent configuration information has been saved by the non-access point site device according to the received response frame. In a possible implementation, the access device sends a data frame carrying configuration information to the non-access point site device, and the non-access point site device saves the configuration information carried by the received data frame and sends a corresponding response frame to the access device. Based on the received response frame, the access device can send the unsaved configuration information to the non-access point site device through the communication link, so that all the configuration parameters required to establish the third communication link are sent to the non-access point site device and saved. Then, the non-access point site device in the above scheme can send a response frame to the access device, and the access device can determine the configuration information saved by the non-access point site device based on the response frame. By further sending the unsaved configuration information to the non-access point site device, it can ensure that all the configuration parameters required to establish the third communication link are saved by the non-access point site device, thereby shortening the time consumption of establishing a new communication link and reducing the delay.

[0032] In a possible implementation, the configuration information includes a key required to establish the third communication link.

[0033] In a possible implementation manner, the configuration information further includes one or more of the following items required to establish the third communication link: uplink and downlink channel frequency bands, channel bandwidth, power saving period, rate supported by the non-access point site device, and beam azimuth.

[0034] In a third aspect, a communication method is provided, which can be performed by a non-access point site device. The communication method includes: the non-access point site device obtains configuration information, and the configuration information is used for the non-access point site device to establish a third communication link with a second access device; the non-access point site device sends the configuration information to the second access device through the second communication link, wherein the operating frequency of the third communication link is within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0035] Then, the non-access point site device in the above scheme can obtain the configuration information for establishing a communication link (the third communication link), and then send the configuration information to the access device through the communication link (the second communication link). Specifically, the non-access point site device can obtain the configuration information, and then transmit the configuration information to the access device through a communication link (the second communication link) corresponding to a working frequency range; based on the configuration information, a communication link (the third communication link) corresponding to another working frequency range can be established between the two communication devices, and the time consumption is relatively short. In a possible implementation method, the non-access point site device can obtain the configuration information by saving the configuration information sent by the access device (refer to other schemes of the present application), and send the obtained configuration information to the access device through the communication link. Then, based on the above scheme, the non-access point site device can obtain and send the configuration information to the access device, so that a new communication link can be quickly established between the non-access point site device and the access device, which takes less time and is more efficient.

[0036] In a possible implementation, the first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

[0037] In a possible implementation, the non-access point site device sends configuration information to the second access device through the second communication link, including: the non-access point site device sends a third data frame to the second access device through the second communication link, wherein the third data frame carries the configuration information.

[0038] In a possible implementation manner, the third data frame includes: a second data field, wherein the configuration information is set in the second data field.

[0039] In a possible implementation manner, the third data frame includes: a second identification field, where the second identification field is used to instruct the second access device to establish a third communication link with the non-access point site device according to the received third data frame.

[0040] In a possible implementation manner, the third data frame includes: a control field, and the second identification field is set in the control field.

[0041] In a fourth aspect, a communication method is provided. The communication method can be executed by an access device, including: a second access device receives configuration information sent by a non-access point site device through a second communication link, the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein the operating frequency of the third communication link is within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0042] In a possible implementation, the first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

[0043] In a possible implementation, the second access device receives configuration information sent by the non-access point site device through the second communication link, including: the second access device receives a third data frame sent by the non-access point site device through the second communication link, wherein the third data frame carries the configuration information.

[0044] In a possible implementation manner, the third data frame includes: a second data field, wherein the configuration information is set in the second data field.

[0045] In a possible implementation manner, the third data frame includes: a second identification field, where the second identification field is used to instruct the second access device to establish a third communication link with the non-access point site device according to the received third data frame.

[0046] Then, the access device in the above scheme can receive a data frame including an identification field sent by a non-access point site device through a communication link; based on the identification field, the access device can establish a third communication link with the non-access point site device. Specifically, the data frame sent by the non-access point site device includes the configuration information carried, and also includes an identification field for indicating that the access device establishes a third communication link with the non-access point site device. In a possible implementation, the data frame sent by the non-access point site device is transmitted to the access device through a communication link; the access device parses the received data frame, and establishes a third communication link with the non-access point site device according to the indication of the identification field included in the data frame. In this way, if the communication link between the communication devices cannot be maintained, the access device will establish a new communication link with the non-access point site device according to the identification field included in the received data frame, so as to ensure that the signal transmission between the communication devices can be carried out normally. Then, in the above scheme, through the identification field included in the sent data frame, the access device can establish a new communication link with the non-access point site device, thereby ensuring the communication quality between the communication devices, and the scheme is time-consuming and can effectively improve the user experience.

[0047] In a possible implementation, the second access device receives a third data frame sent by the non-access point site device, and establishes a third communication link with the non-access point site device according to the third data frame; the second access device sends a third data response frame to the non-access point site device through the second communication link, wherein the third data response frame is used to indicate that the second access device has established the third communication link with the non-access point site device according to the received third data frame.

[0048] Then, the access device in the above scheme can establish a new communication link (third communication link) with the non-access point site device according to the received data frame, and send a response frame to the non-access point site device after saving. In a possible implementation, the non-access point site device sends a data frame carrying configuration information to the access device, and the configuration information includes all configuration parameters required to establish a new communication link; the access device can establish a new communication link with the non-access point site device according to the received data frame, and send a response frame to the non-access point site device. Further, the non-access point site device can determine that the access device has established a new communication link with the non-access point site device according to the received response frame. In this way, based on the received response frame, the non-access point site device determines that the access device has established a third communication link according to the received data frame, and will no longer send a data frame carrying configuration information to the access device. Then, the access device in the above scheme can establish a communication link according to the received data frame, and send a response frame to the non-access point site device, so that the non-access point site device no longer sends a data frame carrying configuration information to the access device, which can shorten the time consumption of establishing a new communication link and effectively improve efficiency.

[0049] In a fifth aspect, a communication device is provided, which may be an access device, a module or a chip in an access device, or a chip or a system on chip. The communication device includes: a transmission unit and a sending unit; the transmission unit is used to transmit a first data frame with a non-access point site device via a first communication link; the sending unit is used to send configuration information to the non-access point site device via a second communication link, the configuration information is used to establish a third communication link between the non-access point site device and the second access device, wherein the operating frequencies of the first communication link and the third communication link are within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0050] In a possible implementation, the first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

[0051] In a possible implementation manner, before the sending unit sends the configuration information to the non-access point site device through the second communication link, it includes: determining that the transmission quality of the first communication link does not meet a predetermined standard.

[0052] In a possible implementation, the sending unit sends the configuration information to the non-access point site device through the second communication link, including: the sending unit sends a second data frame to the non-access point site device through the second communication link, wherein the second data frame carries the configuration information.

[0053] In a possible implementation manner, the second data frame includes: a first data field, wherein the configuration information is set in the first data field.

[0054] In a possible implementation manner, the second data frame includes: a first identification field, where the first identification field is used to instruct the non-access point station device to save configuration information according to the received second data frame.

[0055] In a possible implementation manner, the second data frame includes: a control field, and the first identification field is set in the control field.

[0056] In a possible implementation, the configuration information includes a key required to establish the third communication link.

[0057] In a possible implementation manner, the configuration information further includes one or more of the following items required to establish the third communication link: uplink and downlink channel frequency bands, channel bandwidth, power saving period, rate supported by the non-access point site device, and beam azimuth.

[0058] In a sixth aspect, a communication device is provided, which may be a non-access point site device, or a module or chip in a non-access point site device, or a chip or a system on chip. The communication device includes: a transmission unit and a receiving unit; the transmission unit is used to transmit a first data frame with a first access device via a first communication link; the receiving unit is used to receive configuration information sent by the first access device via a second communication link, and the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein the operating frequencies of the first communication link and the third communication link are within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0059] In a possible implementation, the first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

[0060] In a possible implementation, the receiving unit receives the configuration information sent by the first access device through the second communication link, including: the receiving unit receives the second data frame sent by the first access device through the second communication link, wherein the second data frame carries the configuration information.

[0061] In a possible implementation manner, the second data frame includes: a first data field, wherein the configuration information is set in the first data field.

[0062] In a possible implementation manner, the second data frame includes: a first identification field, where the first identification field is used to instruct the non-access point station device to save configuration information according to the received second data frame.

[0063] In a possible implementation manner, the second data frame includes: a control field, and the first identification field is set in the control field.

[0064] In one possible implementation, the receiving unit is further used to receive a second data frame sent by the first access device, and save the configuration information according to the second data frame; the transmission unit is further used to send a second data response frame to the first access device through the second communication link, wherein the second data response frame is used to indicate that the receiving unit has saved the configuration information.

[0065] In a possible implementation, the configuration information includes a key required to establish the third communication link.

[0066] In a possible implementation manner, the configuration information further includes one or more of the following items required to establish the third communication link: uplink and downlink channel frequency bands, channel bandwidth, power saving period, rate supported by the non-access point site device, and beam azimuth.

[0067] In a seventh aspect, a communication device is provided, which may be a non-access point site device, a module or a chip in the non-access point site device, or a chip or a system on chip. The communication device includes: an acquisition unit and a sending unit; the acquisition unit is used to acquire configuration information, and the configuration information is used for the non-access point site device to establish a third communication link with the second access device; the sending unit is used to send the configuration information acquired by the acquisition unit to the second access device through the second communication link, wherein the operating frequency of the third communication link is within the first operating frequency range, the operating frequency of the second communication link is within the second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0068] In a possible implementation, the first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

[0069] In a possible implementation, the sending unit sends the configuration information to the second access device through the second communication link, including: the sending unit sends a third data frame to the second access device through the second communication link, wherein the third data frame carries the configuration information.

[0070] In a possible implementation manner, the third data frame includes: a second data field, wherein the configuration information is set in the second data field.

[0071] In a possible implementation manner, the third data frame includes: a second identification field, where the second identification field is used to instruct the second access device to establish a third communication link with the non-access point site device according to the received third data frame.

[0072] In a possible implementation manner, the control field and the second identification field are set in the control field.

[0073] In an eighth aspect, a communication device is provided, which may be an access device, a module or a chip in an access device, or a chip or a system on chip. The communication device includes: a transmission unit and a processing unit; the transmission unit is used to receive configuration information sent by a non-access point site device through a second communication link, and the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein the operating frequency of the third communication link is within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range; the processing unit is used to establish a third communication link with the non-access point site device according to the configuration information received by the transmission unit.

[0074] In a possible implementation, the first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

[0075] In a possible implementation, the transmission unit receives the configuration information sent by the non-access point site device through the second communication link, including: the receiving unit receives a third data frame sent by the non-access point site device through the second communication link, wherein the third data frame carries the configuration information.

[0076] In a possible implementation manner, the third data frame includes: a second data field, wherein the configuration information is set in the second data field.

[0077] In a possible implementation manner, the third data frame includes: a second identification field, where the second identification field is used to instruct the processing unit to establish a third communication link with the non-access point site device according to the received third data frame.

[0078] In a possible implementation, the transmission unit is specifically configured to receive a third data frame sent by the non-access point site device; the processing unit is specifically configured to establish a third communication link with the non-access point site device according to the third data frame received by the transmission unit; the transmission unit is further configured to send a third data response frame to the non-access point site device through the second communication link, wherein the third data response frame is used to indicate that the processing unit has established the third communication link with the non-access point site device according to the third data frame received by the transmission unit.

[0079] In a ninth aspect, a computer-readable storage medium is provided, in which a computer program is stored. When the computer-readable storage medium is run on a computer, the computer can execute the method described in any one of the above aspects.

[0080] In a tenth aspect, a computer program product comprising instructions is provided, the computer program product comprising: a computer program code, when the computer program code is run on a computer, the computer can execute the method described in any one of the above aspects.

[0081] In an eleventh aspect, a communication network is provided, the communication network comprising the access device described in any of the above aspects and the non-access point station device described in any of the above aspects. In an example, the access device may be an access point AP, and the non-access point station device may be a station STA.

[0082] Among them, the technical effects brought about by any design method in the fifth to eleventh aspects can refer to the technical effects brought about by different design methods in the above-mentioned first to fourth aspects, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0083] Figure 1 A schematic diagram of a network architecture provided for an embodiment of the present application;

[0084] Figure 2 A schematic diagram of a network architecture provided for another embodiment of the present application;

[0085] Figure 3 A schematic diagram of a deployment scenario provided for an embodiment of the present application;

[0086] Figure 4 A schematic diagram of a communication method provided in an embodiment of the present application;

[0087] Figure 5 A schematic diagram of a data frame provided in an embodiment of the present application;

[0088] Figure 6 A schematic diagram of a roaming scenario provided for an embodiment of the present application;

[0089] Figure 7 A schematic diagram of a communication method provided in an embodiment of the present application;

[0090] Figure 8 A schematic diagram of a communication device provided in an embodiment of the present application;

[0091] Fig. 9 A schematic diagram of a communication device provided in accordance with another embodiment of the present application;

[0092] Fig.10 A schematic diagram of a communication device provided for another embodiment of the present application;

[0093] Fig.11 A schematic diagram of a communication device provided in accordance with yet another embodiment of the present application;

[0094] Fig.12 A schematic diagram of a communication device provided for another embodiment of the present application. DETAILED DESCRIPTION

[0095] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0096] Unless otherwise defined, all scientific and technological terms used herein have the same meanings as those known to those of ordinary skill in the art. In the embodiments of the present application, the words "first", "second", etc. do not limit the quantity and order. In the embodiments of the present application, "and / or" describes the association relationship of the associated objects, indicating that there may be three relationships, for example, A and / or B, which may represent: the existence of A alone, the existence of A and B at the same time, and the existence of B alone, wherein A and B may be singular or plural.

[0097] It should be noted that, in this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in this application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0098] The technical terms in the embodiments of the present application are described as follows:

[0099] Downlink direction:

[0100] Taking the optical communication system as an example, the downlink direction is the direction in which the central control station (such as the optical line terminal (OLT)) sends data to the communication device on the user side (such as the optical network unit (ONU) and optical network terminal (ONT) on the user side).

[0101] Uplink direction:

[0102] Taking an optical communication system as an example, the uplink direction is the direction in which a communication device on the user side (eg, an optical network unit ONU, an optical network terminal ONT, etc. on the user side) sends data to a central control station.

[0103] Frequency band:

[0104] Usually refers to a specific frequency range, and a certain frequency band can be understood as a certain frequency range. Therefore, the frequency range can also be called a frequency band, and the operating frequency range in the embodiments of the present application can also be called an operating frequency band.

[0105] The technical solutions in the embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0106] Fiber optic communication system is one of the current mainstream communication systems. In the fiber optic communication system, the access mode of the access network (access network, AN) is fiber access (FTTx), which is also called optical access network (optical access network, OAN). The fiber optic access modes of the fiber optic access network include: fiber to the room (fiber to the room, FTTR), fiber to the home (fiber to the home, FTTH), fiber to the curb (fiber to the curb, FTTC), fiber to the office (fiber to the office, FTTO), fiber to the building (fiber to the building, FTTB), etc.

[0107] Among them, taking FTTR as an example, FTTR can build a whole-house (the entire deployment space of the home network) network through optical fiber to achieve whole-house Wi-Fi coverage, with advantages such as stable network speed, strong wall penetration ability, and low latency. Usually, the home network built by FTTR includes a deployed master optical modem (also called an optical modem) and multiple slave optical modems, and the master optical modem and the slave optical modems are connected by optical fiber.

[0108] For example, refer to Figure 1 As shown in the figure, a schematic diagram of a centralized C-WAN network architecture in the FTTR scenario is provided. Specifically, the communication network includes an optical line terminal (OLT) arranged in a central control station, and an optical network terminal (ONT) or an optical network unit (ONU) arranged on the user side, and also includes a splitter connecting the OLT and the ONU. It should be noted that the ONT and the ONU are arranged at different locations on the user side, and because the functions they implement are similar, Figure 1 The user side is explained by taking ONT as an example. Figure 1 Three ONTs are shown, namely ONT-1, ONT-2 and ONT-3. The OLT and the optical splitter, and the OLT and the ONT are connected via optical fibers. Figure 2 Taking the architecture shown as an example, it should not be used to limit the connection media between communication devices in the network architecture. In a possible implementation, the OLT and the optical splitter, and the OLT and the ONT can also be connected through a network cable.

[0109] For example, in the downlink direction, the OLT transmits the optical signal to the optical splitter, and the optical splitter transmits the received downlink optical signal to AP-1, AP-2, and AP-3 respectively, and then AP-1, AP-2, and AP-3 transmit it to the corresponding STA. In other embodiments, in the uplink direction, AP-1, AP-2, and AP-3 can also generate uplink optical signals to be sent to the OLT, and transmit the uplink optical signals to the OLT through the optical splitter.

[0110] Combination Figure 1 As shown, based on Figure 1 The C-WAN centralized architecture shown, taking the home network FTTR10 formed by FTTR as an example, FTTR 10 includes: ONT-1, multiple APs (AP-1 to AP-n) and multiple STAs (STA-1 to STA-n), wherein ONT-1 and multiple APs (AP-1 to AP-n) are connected by optical fiber. Specifically, ONT-1 is the master FTTR (master FTTR unit, MFU) device in the FTTR 10, which is usually deployed in the entrance of the user's home. In other examples, the MFU device can also be an AP. Multiple APs (AP-1 to AP-n) are slave FTTR devices (slave FTTRunit, SFU) in the FTTR 10, and can communicate with ONT-1 through optical fiber. Different APs are usually deployed in different rooms of the user's home. Multiple STAs (STA-1 to STA-n) communicate with AP-1 wirelessly (such as Wi-Fi technology), and their positions are usually not fixed.

[0111] As a key technology for short-distance communication, the millimeter wave communication link has a wide transmission bandwidth and a fast transmission speed, and can achieve high-speed data transmission. Optionally, STA can transmit signals to AP through the millimeter wave communication link to achieve communication. For example, STA-11 accesses AP-1 in a room and transmits signals to AP-1 through the millimeter wave communication link. When STA-11 moves from the room to another room (for example, including AP-2), that is, roaming across rooms, STA-11 needs to access AP-2 and establish a millimeter wave communication link with AP-2. In this way, the user needs to initiate a request to access AP-2 on STA-11 (uplink direction), and AP-1 can synchronize the corresponding information corresponding to STA-11 (such as configuration parameters, etc.) to MFU (ie, ONT-1); AP-2 can obtain the relevant information from ONT-1, establish a millimeter wave communication link with STA-11, and enable STA-11 to access AP-2. Therefore, when the STA roams across rooms, there is no need to go online and offline on the millimeter wave communication link. The SFU can quickly synchronize the relevant information corresponding to the STA to ONT-1 through optical fiber, and the switching delay of the communication link is low when the STA roams across rooms.

[0112] However, the switching of the above-mentioned millimeter wave communication link can only be achieved under a specific network architecture (FTTR all-fiber home network scenario based on C-WAN centralized architecture), which is highly dependent on the network architecture and is difficult to be compatible with various communication networks.

[0113] In addition, combined Figure 1 As shown, optionally, STA can also transmit signals to AP through Sub-6G communication link to achieve communication. It has strong penetration and can achieve long-distance signal transmission. However, with the continuous development of communication technology, higher requirements are placed on the transmission quality (such as transmission rate) of communication networks. Due to the narrow transmission bandwidth of Sub-6G communication link, it is difficult to achieve high-speed transmission of signals.

[0114] based on Figure 1 The architecture shown is exemplary, referring to Figure 2 As shown in FIG, a schematic diagram of a decentralized network architecture in a FTTR scenario is provided. Figure 2 As shown in FIG. 1 , the communication network includes an OLT arranged in a central control station and an ONT arranged at the user side. Usually, the ONT is also implemented through the deployed AP, so Figure 2 Take AP as an example, that is, Figure 2 The three APs shown in the figure are AP-1, AP-2 and AP-3. Different APs are usually deployed in different rooms of the user's home. The communication network also includes a splitter connecting the OLT and the AP. The OLT and the splitter, and the OLT and the ONT are all connected by optical fiber. It is not difficult to understand that only the optical fiber is used here. Figure 2 Taking the architecture shown as an example, the connection medium between the communication devices in the network architecture should not be limited thereto. In a possible implementation, the OLT and the optical splitter, and the OLT and the AP can also be connected via a network cable.

[0115] Combination Figure 2 As shown, based on Figure 2 The decentralized architecture shown, taking the home network FTTR 20 formed by FTTR as an example, FTTR 20 includes: multiple APs (AP-1 to AP-n) and multiple STAs (STA-11 to STA-1n, STA-21 to STA-2n and STA-31 to STA-3n), wherein multiple APs (AP-1 to AP-n) are connected to the OLT through a splitter, and multiple APs and the OLT and multiple APs and the splitter can be connected through optical fiber. Specifically, multiple APs (AP-1 to AP-n) can communicate with the OLT through optical fiber, and different APs are usually deployed in different rooms in the user's home. Multiple STAs (such as STA-1 to STA-n) communicate with APs (such as AP-1) wirelessly (such as Wi-Fi technology), and their positions are usually not fixed.

[0116] based on Figure 2 The architecture shown is exemplary, referring to Figure 3 As shown in FIG, a schematic diagram of a deployment scenario of a decentralized network architecture is provided. Figure 3 As shown in FIG. 1 , the deployment scenario includes: balcony, bedroom 1, living room, bedroom 3, dressing room, study, kitchen, dining room, bathroom and bedroom 2. The network deployment in the deployment space is connected by dotted lines, and access devices are deployed in the dining room, dressing room and living room (i.e. Figure 3 AP-1, AP-2 and AP-3 in the figure), each AP is connected by an optical fiber or cable (i.e., the dotted line in the figure), so as to achieve wireless signal coverage in this deployment scenario.

[0117] Combination Figure 3As shown, optionally, STA can transmit signals with AP through millimeter wave communication link to achieve communication. For example, STA-11 accesses AP-1 in the restaurant and transmits signals with AP-1 through millimeter wave communication link. When STA-11 moves from the restaurant to the locker room (including AP-2), that is, roaming across rooms, STA-11 needs to access AP-2 and establish a millimeter wave communication link with AP-2. In this way, when STA-11 roams across rooms, it is necessary to go online and offline on the millimeter wave communication link again (including completing two handshakes), and it takes a long time to access AP-2 and establish a millimeter wave communication link with AP-2. Then, when STA is roaming across rooms (moving from the restaurant to the locker room), due to the high propagation loss and poor penetration of the millimeter wave communication link, it is inevitable that there will be signal blind spots that cannot be covered by millimeter wave signals, resulting in the AP in another room (locker room) unable to obtain relevant information for establishing a millimeter wave communication link, and it is difficult to establish a new millimeter wave communication link between AP and STA, making it difficult to ensure the transmission quality of the communication network.

[0118] In addition, the relevant information corresponding to the STA is usually managed and maintained independently by each AP. Figure 2 As shown, the relevant information corresponding to STA-1 to STA-n is managed and maintained by AP-1. In this way, when the millimeter wave communication link between AP and STA cannot transmit data normally (the transmission quality is poor), it is difficult for AP and STA to quickly restore the corresponding millimeter wave communication link because STA cannot obtain the corresponding relevant information (such as keys), which will seriously affect the transmission quality of the communication network.

[0119] With the development of wireless network technology, in future wireless network scenarios, low-frequency communication links (i.e., communication links with lower operating frequencies, such as Sub-6G communication links) and high-frequency communication links (i.e., communication links with higher operating frequencies, such as millimeter wave communication links) may coexist (such as network scenarios corresponding to Wi-Fi 8). Therefore, how to ensure that non-access point site devices can quickly complete roaming switching and establish corresponding communication links with access devices without relying on a certain network architecture has become a key issue to be solved.

[0120] Based on the above problems, an embodiment of the present application provides a communication method, in which an access device sends relevant information about establishing a communication link to a non-access point site device, so that the non-access point site device can obtain relevant information about establishing a new communication link. Figure 4 As shown, a schematic diagram of a communication method is provided. Figure 4 , the communication method provided in the embodiment of the present application is described in detail. Figure 2Taking the architecture shown as an example, the communication method provided in the embodiment of the present application is described by taking the access device AP-1 and the non-access point site device STA-11 as examples, and the communication method provided in the embodiment of the present application should not be limited by this. The communication method includes steps 301-304, and the communication method is applied to a communication device, which can be an access device or a non-access point site device. The following is specifically described by taking the application to the access device and the non-access point site device as an example, and the specific description is as follows:

[0121] It should be noted that the access device and the non-access point site device can communicate through at least two communication links. For example, the two communication links include a first communication link and a second communication link. Usually, the working frequency of the first communication link is within the first working frequency range, and the working frequency of the second communication link is within the second working frequency range. The frequency values ​​included in the first working frequency range are all greater than the frequency values ​​included in the second working frequency range. That is, the communication link working in the first working frequency range is a high-frequency band communication link, and the communication link working in the second working frequency range is a low-frequency band communication link. For example: the first working frequency range is: 30 GHz to 300 GHz; the second working frequency range is: 410 MHz to 7125 MHz.

[0122] In the following example, the first communication link is described by taking a millimeter wave communication link and the second communication link is described by taking a Sub-6G communication link as an example. The non-access point site device and the access device in the embodiments of the present application have the ability to communicate on two communication links (millimeter wave communication link and Sub-6G communication link) with different operating frequency ranges. It is not difficult to understand that for the sake of ease of explanation, this is only used as an example here, and it should not be used to limit the types of access devices, non-access point site devices, and non-access point site device communication links.

[0123] Step 301: An access device transmits data frames to a non-access point site device via a millimeter wave communication link.

[0124] Combination Figure 4 As shown, the access device transmits data frames with the non-access point site device via the millimeter wave communication link. Specifically, the access device AP-1 transmits data frames with the non-access point site device STA-11 via the millimeter wave communication link.

[0125] Under normal circumstances, when the transmission quality of the millimeter wave communication link meets a predetermined standard, the access device and the non-access point site device usually transmit data frames through the millimeter wave communication link.

[0126] When the access device determines that the transmission quality of the millimeter wave communication link does not meet the predetermined standard, the access device sends configuration information to the non-access point site device through the Sub-6G communication link. Then, when the non-access point site device roams across rooms, the transmission quality of the millimeter wave communication link does not meet the predetermined standard. The access device can send the configuration information required to establish the millimeter wave communication link to the non-access point site device through the Sub-6G communication link, and based on the configuration information, the non-access point site device and other access devices can establish a millimeter wave communication link.

[0127] Specifically, the access device may determine that the transmission quality of the millimeter wave communication link does not meet the predetermined standard in the following manner, including: the access device detects that the received signal strength indication (RSSI) of the millimeter wave communication link does not meet the predetermined threshold (usually the default value is -80 decibel milliwatts (dbm)), and determines that the transmission quality of the millimeter wave communication link does not meet the predetermined standard and cannot maintain normal communication. Alternatively, the access device detects that the ratio of the number of lost data packets to the transmitted data group (i.e., the packet loss rate) when the millimeter wave communication link transmits data is too high (for example, the packet loss rate is greater than 90%), and determines that the millimeter wave communication link cannot maintain normal communication. Then, the access device will send configuration information to the non-access point site device. For example, if the signal strength indication RSSI detected by the access device is -90dbm (lower than the threshold value -80dbm), it is determined that the millimeter wave communication link cannot maintain normal communication, and step 302 is executed.

[0128] Step 302: The access device sends configuration information to the non-access point site device through the Sub-6G communication link.

[0129] Combination Figure 4 As shown, the access device sends configuration information to the non-access point site device via the Sub-6G communication link. Specifically, the access device AP-1 sends configuration information to the non-access point site device STA-11 via the Sub-6G communication link. The configuration information is used for the non-access point site device to establish a millimeter wave communication link with other access devices (such as AP-2).

[0130] In a possible implementation, the access device sends a data frame carrying configuration information to the non-access point site device through a Sub-6G communication link, thereby sending the configuration information to the non-access point site device.

[0131] For example, refer to Figure 5 As shown, the embodiment of the present application provides a schematic diagram of a possible data frame. Figure 5As shown in (1), the data frame includes a control field and a data field. Optionally, the data frame also includes a frame check sum (FSC) field. The identification field is set in the control field, which can instruct the non-access point site device to save the configuration information carried according to the received data frame, and the configuration information is set in the data field, which can be used for the non-access point site device to establish a millimeter wave communication link with other access devices.

[0132] Optionally, the configuration information includes a key required to establish a millimeter wave communication link. In one possible implementation, the configuration information also includes one or more of the following for establishing a millimeter wave communication link: uplink and downlink channel frequency bands, channel bandwidth, power saving period, rate supported by non-access point site equipment, and beam azimuth.

[0133] Combination Figure 5 In the data frame shown in (1), in the data field, the uplink and downlink channel frequency bands, channel bandwidth, power saving period, the rate supported by the non-access point site device and the beam azimuth are sequentially arranged. Among them, the uplink and downlink channel frequency bands refer to the frequency band number for data transmission in the uplink direction and the frequency band for data transmission in the downlink direction; the channel bandwidth refers to the channel bandwidth for data transmission in the uplink direction and the channel bandwidth for data transmission in the downlink direction; the power saving period refers to the fixed time interval corresponding to the periodic data transmission and reception process of the non-access point site device when the device is online (awake state); the rate supported by the non-access point site device includes: modulation and coding scheme (MCS), coding rate (referring to the number of bits encoded per unit time), modulation order (referring to the number of bits that can be carried simultaneously by each symbol); beam azimuth includes the horizontal beam angle and the vertical beam angle.

[0134] For example, refer to Figure 5 As shown in (2) of FIG. 1 , a possible frame structure of an 802.11 frame is shown. Specifically, an 802.11 frame includes a plurality of identification bits ( Figure 5 The control field (not shown in the figure) (also called the frame control field (framecontrol)), wherein the frame control field includes a type field for indicating the 802.11 frame type and a subtype field for indicating that the 802.11 frame is specifically a certain type; as well as a data field and a frame check FSC field. In one possible implementation, Figure 5 The data frame shown in (1) in FIG. 1 may also be an 802.11 frame. Then, the identification field of the data frame may be set to Figure 5 The type field and subtype field in the frame control field of the 802.11 frame shown in (2) in the configuration information can be set in Figure 5 In the data field of the 802.11 frame shown in (2).

[0135] It is not difficult to understand that the configuration information may also include only one of the configuration parameters (uplink and downlink channel frequency bands, channel bandwidth, power saving period, etc.) required to establish a millimeter wave communication link. For example, the non-access point site device sends configuration information including only one of the following to the non-access point site device in sequence: power saving period, uplink and downlink channel frequency bands, channel bandwidth, rate supported by the non-access point site device, and beam azimuth. In addition, the non-access point site device can send configuration information periodically at fixed time intervals, or in a preset order, and the embodiments of the present application do not limit this. In this way, the access device can send configuration information including only one configuration parameter to the non-access point site device through the communication link multiple times, and send all configuration parameters included in the configuration information to the non-access point site device. Alternatively, the access device can also send configuration information including all configuration parameters to the non-access point site device at one time through the communication link. In the embodiments of the present application, there is no specific limitation on the type and number of configuration parameters included in the configuration information, and there is no limitation on the order in which the configuration information sends the configuration parameters. Then, the access device can selectively send corresponding configuration information to the non-access point site device once or multiple times according to the actual situation.

[0136] Step 303: The non-access point site device saves the configuration information.

[0137] Combination Figure 4 As shown, the non-access point station device saves the configuration information. Specifically, the non-access point station device STA-11 saves the configuration information sent by the access device AP-1.

[0138] Based on the above steps 301 to 303, optionally:

[0139] Step 304: The non-access point site device sends a data response frame to the access device.

[0140] Combination Figure 4 As shown, the non-access point station device sends a data response frame to the access device, and the data response frame is used to indicate that the non-access point station device has saved the configuration information. Specifically, the non-access point station device STA-11 sends a data response frame to the access device AP-1.

[0141] It is not difficult to understand that, since the configuration information may include one or more configuration parameters, the access device can send the same or different data frames (carrying the same or different configuration parameters) to the non-access point site device multiple times. For example, the data frame sent by the access device to the non-access point site device includes a configuration parameter. The non-access point site device saves the configuration parameter based on the received data frame and sends a data response frame to the access device. Based on the received data response frame, the access device can choose to send other configuration parameters that have not been saved by the non-access point site device to the non-access point site device.

[0142] Then, based on the above steps 301-304, the access device can determine the transmission quality of the millimeter wave communication link and promptly determine whether the communication link fails; when it is determined that the transmission quality does not meet the predetermined standard, the configuration information is sent to the non-access point site device through the Sub-6G communication link. In this way, the non-access point site device and the access device can still transmit signals through the Sub-6G communication link, which guarantees the transmission quality of the communication network to a certain extent; at the same time, the configuration information that is usually managed and maintained by the access device can be transmitted to the non-access point site device through the data frame transmitted through the Sub-6G communication link; the configuration information will be saved by the non-access point site device so that based on the configuration information, a millimeter wave communication link can be established between the non-access point site device and other access devices.

[0143] Typically, a communication network includes multiple access devices, and the location of non-access point site devices is not fixed. For example, an access device is deployed in each room in the communication network. In this way, when the non-access point site device moves from one room (for example, AP-1 is deployed) to another room (for example, AP-2 is deployed), the wall penetration loss of the signal transmitted between the non-access point site device and AP-1 is high, and the millimeter wave communication link cannot be transmitted normally. The non-access point site device needs to re-establish a communication link with AP-2. Typically, establishing a communication link requires the non-access point site device to go online and offline on the communication link again (including completing two handshakes), and also establish new configuration information. This process often takes a long time, resulting in a delay of 80ms-300ms.

[0144] For example, refer to Figure 6 As shown, the embodiment of the present application also provides a schematic diagram of a scenario in which a non-access point site device roams (switches to connect to a new access device) on a Sub-6G communication link. Figure 6 As shown, the horizontal axis is distance or time, which is used to indicate the position of non-access point station equipment (such as STA in the figure) corresponding to different distances (or times), and the vertical axis is signal strength. Figure 6The diagram includes three shaded areas, namely area 1, area 2 and area 3, which are used to represent the signal strength of the AP at different distances (or times), and also includes 9 access devices (ie, AP-1 to AP-9 in the diagram).

[0145] Specific, combined Figure 6 As shown, at the initial distance (time), the STA is located at position A, connected to AP-1, and the received signal strength of the AP is strong; when the STA moves from position A to position B, the received signal strength of AP-1 begins to weaken. As the STA moves to position C, the received signal strength continues to weaken. Among them, when moving to position C, the signal strength of AP-1 received by the STA is less than the threshold, and the STA sends a scan frame to multiple other APs. After receiving the scan frame, multiple APs will reply with a response frame to the STA. As the STA continues to move to position E, it will receive response frames from different APs. When the STA moves to position E, it chooses to establish a Sub-6G communication link with a new AP (for example, AP-2 that replies to the earliest response frame) in the received response frame, thereby roaming on the Sub-6G communication link and connecting to AP-2.

[0146] Based on the above, for example, refer to Figure 7 As shown, a schematic diagram of a communication method is provided. Through this communication method, when a non-access point site device roams on a communication link (e.g., a low-frequency band communication link) and connects to a new access device, it can also establish another communication link (e.g., a high-frequency band communication link) with the new access device. Figure 7 , the communication method provided in the embodiment of the present application is described in detail. Figure 2 Taking the architecture shown as an example, the communication method provided in the embodiment of the present application is described by taking the access device AP-2 and the non-access point site device STA-11 as examples, and the communication method provided in the embodiment of the present application should not be limited by this. The communication method includes steps 401-405, and the communication method is applied to a communication device, which can be an access device or a non-access point site device. The following is specifically described by taking the application to the access device and the non-access point site device as an example, and the specific description is as follows:

[0147] It should be noted that the access device and the non-access point site device can communicate through at least two communication links. For example, the two communication links include a second communication link and a third communication link. Usually, the operating frequency of the second communication link is in the second operating frequency range, and the operating frequency of the third communication link is in the first operating frequency range. The frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range. That is, the communication link working in the first operating frequency range is a high-frequency band communication link, and the communication link working in the second operating frequency range is a low-frequency band communication link. For example: the first operating frequency range is: 30 GHz to 300 GHz; the second operating frequency range is: 410 MHz to 7125 MHz.

[0148] In the following example, the third communication link is described by taking a millimeter wave communication link and the second communication link is described by taking a Sub-6G communication link as an example. The non-access point site device and the access device in the embodiments of the present application have the ability to communicate on two communication links (millimeter wave communication link and Sub-6G communication link) with different operating frequency ranges. It is not difficult to understand that for the sake of ease of explanation, this is only used as an example here, and it should not be used to limit the types of access devices, non-access point site devices, and non-access point site device communication links.

[0149] Step 401: A non-access point site device obtains configuration information.

[0150] Combination Figure 7 As shown, the non-access point site device obtains configuration information. The configuration information is used for the non-access point site device to establish a millimeter wave communication link with other access devices. Specifically, the non-access point site device STA-11 obtains the configuration information. Accordingly, in some examples, the configuration information may be the configuration information received by the non-access point site device through step 302 (i.e., the configuration information sent by the access device to the non-access point site device through the Sub-6G communication link).

[0151] Optionally, the configuration information may be acquired by the non-access point site device by reading the configuration information saved based on step 303 .

[0152] Step 402: The non-access point site device sends configuration information to the access device through the Sub-6G communication link.

[0153] Combination Figure 7As shown, the non-access point site device sends configuration information to the access device through the Sub-6G communication link. Specifically, the non-access point site device STA-11 sends configuration information to the access device AP-2 through the Sub-6G communication link, and the access device AP-2 receives the configuration information. Among them, the configuration information includes the key required to establish a millimeter wave communication link. In one possible implementation, the configuration information also includes one or more of the following for establishing a millimeter wave communication link: uplink and downlink channel frequency bands, channel bandwidth, power saving cycle, rate supported by the non-access point site device, and beam azimuth. In addition, the specific format and function of the configuration information can refer to the description in the above embodiments, which will not be repeated here.

[0154] In a possible implementation, the non-access point site device roams on the Sub-6G communication link and connects to the access device AP-2, and transmits data frames with the access device AP-2 through the Sub-6G communication link. The process of the non-access point site device roaming on the Sub-6G communication link and connecting to the access device AP-2 can be referred to. Figure 6 In this way, the access device sends a data frame carrying configuration information to the non-access point site device through the Sub-6G communication link, and sends the configuration information to the access device AP-2. Optionally, the data frame can refer to Figure 5 The data frame shown in (1) includes a data field and an identification field, wherein the configuration information is set in the data field, and the identification field can indicate that the access device establishes a millimeter wave communication link with the non-access point site device according to the received data frame. Then, the access device can receive the configuration information by parsing the received data frame.

[0155] Step 403: The access device receives configuration information via the Sub-6G communication link.

[0156] Combination Figure 7 As shown, the access device receives the configuration information through the Sub-6G communication link. Specifically, the access device AP-2 receives the configuration information sent by the non-access point station device STA-11 through the Sub-6G communication link.

[0157] Step 404: The access device establishes a millimeter wave communication link with the non-access point site device.

[0158] Combination Figure 7 As shown, the access device establishes a millimeter wave communication link with the non-access point site device. Specifically, the access device AP-2 establishes a millimeter wave communication link with STA-11 according to the received configuration information.

[0159] Based on the above steps 401 to 405, optionally:

[0160] Step 405: The access device sends a response frame to the non-access point site device.

[0161] Combination Figure 7 As shown, the access device sends a response frame to the non-access point site device. The response frame is used to indicate that the access device has established a millimeter wave communication link with the non-access point site device according to the received data frame. Specifically, the access device AP-2 establishes a millimeter wave communication link with STA-11 and sends a response frame to the non-access point site device STA-11.

[0162] In a possible implementation, the access device AP-2 sends a response frame to the non-access point station device STA-11 through the Sub-6G communication link.

[0163] Then, based on the above steps 401 to 405, when the non-access point site device (STA-11) roams on the Sub-6G communication link and connects to the new access device (AP-2), it can obtain and send configuration information to AP-2 through the Sub-6G communication link. Based on the configuration information, the non-access point site device and the new access device do not need to go online and offline again on the millimeter wave link to establish new configuration information, and the millimeter wave communication link can be quickly established based on the acquired configuration information.

[0164] Then, the above communication method sends the configuration information for establishing another communication link (a communication link in a high frequency band) to the non-access point site device through a communication link (a communication link in a low frequency band) between the non-access point site device and the access device. Furthermore, based on the configuration information, the communication link switching between the communication devices (including the non-access point site device and the access device) can be completed in time, thereby reducing the switching delay and improving the user experience.

[0165] It is understandable that the communication device in the above embodiment includes a hardware structure and / or software module corresponding to each function in order to realize the above functions. Those skilled in the art should easily realize that, in combination with the units and algorithmic operations of each example described in the embodiments disclosed herein, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0166] The embodiment of the present application can divide the functional modules of the communication device according to the above method example. For example, each functional module can be divided according to each function, or two or more functions can be integrated into one processing module. The above integrated module can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of modules in the embodiment of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation.

[0167] For example, refer to Figure 8 As shown, an embodiment of the present application provides a schematic diagram of a communication device. The communication device may be an access device, the communication device may also be a module or chip in the access device, or the communication device may also be a chip or a system on chip. The communication device includes: a transmission unit 701 and a sending unit 702; the transmission unit 701 is used to transmit a first data frame with a non-access point site device through a first communication link; the sending unit 702 is used to send configuration information to the non-access point site device through a second communication link, and the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein the operating frequencies of the first communication link and the third communication link are within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0168] The transmission unit 701 is further used to execute the communication method described in step 301; the sending unit 702 is further used to execute the communication method described in step 302. It can be understood that the communication device can directly refer to the above Figure 3 The description of the various functions and effects in the communication method shown will not be repeated here.

[0169] For example, refer to Fig. 9 As shown, an embodiment of the present application provides a schematic diagram of a communication device. The communication device may be a non-access point site device, the communication device may also be a module or chip in the non-access point site device, and the non-access point site device may also be a chip or a system on chip. The communication device includes: a transmission unit 801 and a receiving unit 802; the transmission unit 801 is used to transmit a first data frame with a first access device through a first communication link; the receiving unit 802 is used to receive configuration information sent by the first access device through a second communication link, and the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein the operating frequencies of the first communication link and the third communication link are within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0170] The transmission unit 801 is further used to execute the communication method described in step 301; the receiving unit 802 is further used to execute the communication method described in step 302. It can be understood that the communication device can directly refer to the above Figure 3 The description of the various functions and effects in the communication method shown will not be repeated here.

[0171] For example, refer to Fig.10 As shown, an embodiment of the present application provides a schematic diagram of a communication device. The communication device may be a non-access point site device, the communication device may also be a module or chip in the non-access point site device, and the non-access point site device may also be a chip or a system on chip. The communication device includes: an acquisition unit 901 and a sending unit 902; the acquisition unit 901 is used to acquire configuration information, and the configuration information is used for the non-access point site device to establish a third communication link with the second access device; the sending unit 902 is used to send the configuration information acquired by the acquisition unit 901 to the second access device through the second communication link, wherein the operating frequency of the third communication link is within the first operating frequency range, the operating frequency of the second communication link is within the second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

[0172] The acquiring unit 901 is further used to execute the communication method described in step 401; the sending unit 902 is further used to execute the communication method described in step 402. It can be understood that the communication device can directly refer to the above Figure 4 The description of the various functions and effects in the communication method shown will not be repeated here.

[0173] For example, refer to Fig.11 As shown, an embodiment of the present application provides a schematic diagram of a communication device. The communication device may be an access device, the communication device may also be a module or chip in the access device, or the communication device may also be a chip or a system on chip. The communication device includes: a transmission unit 1001 and a processing unit 1002; the transmission unit is used to receive configuration information sent by a non-access point site device through a second communication link, and the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein the operating frequency of the third communication link is within the first operating frequency range, the operating frequency of the second communication link is within the second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range; the processing unit 1002 is used to establish a third communication link with the non-access point site device according to the configuration information received by the transmission unit 1001.

[0174] The transmission unit 1001 is further used to execute the communication method described in step 403; the processing unit 1002 is further used to execute the communication method described in step 404. It can be understood that the communication device can directly refer to the above Figure 4 The description of the various functions and effects in the communication method shown will not be repeated here.

[0175] In a possible implementation, an embodiment of the present application further provides a communication device, which may be a chip or a chip system. The communication device includes: a processor and an interface circuit, and the processor is used to read instructions to execute the method in any of the above method embodiments. In a possible design, the communication device also includes a memory. The memory is used to store necessary program instructions and data, and the processor can call the program code stored in the memory to instruct the communication device to execute the method in any of the above method embodiments. Of course, the memory may not be in the communication device. When the communication device is a chip system, it may be composed of chips, or it may include chips and other discrete devices, which is not specifically limited in the embodiments of the present application.

[0176] For example, refer to Fig.12 As shown, an embodiment of the present application provides a communication device. Specifically, the communication device includes one or more transceivers 1201 and a processor 1202. Exemplarily, the transceiver 1201 is used to perform the following Figure 8 The transmission unit 701 and the sending unit 702 shown, Fig. 9 The transmission unit 801 and the receiving unit 802 shown in FIG. Fig.10 The sending unit 902 and Fig.11 The functions or steps implemented by the transmission unit 1001 shown in FIG. 1 are as follows: the processor 1202 is used to execute the following Fig.10 The acquisition unit 901 and Fig.11 The functions or steps implemented by the processing module 1002 shown in FIG. 10A and 10B can be referred to for details about the processor 1201 and the transceiver 1202. Figures 8 to 11 Or the method embodiments shown above will not be described in detail here.

[0177] In the above-mentioned embodiments, for the specific description of each term or step, please refer to the introduction in the above method embodiment, which will not be described in detail here.

[0178] exist Fig.12 In each implementation of the communication device shown, the transceiver may include a receiver and a transmitter, and the transceiver is used to perform the transmission function mentioned above, and the transmission function may specifically include receiving or sending, for example, the receiver is used to perform the receiving function (or operation), and the transmitter is used to perform the sending function (or operation). And the transceiver is used to communicate with other devices / devices through a transmission medium.

[0179] Optionally, the communication device may also include one or more memories 1203 for storing program instructions and / or data. The memory 1203 is coupled to the processor 1202. The coupling in the embodiment of the present application is an indirect coupling or communication connection between devices, units or modules, which may be electrical, mechanical or other forms, and is used for information exchange between devices, units or modules. The processor 1202 may operate in conjunction with the memory 1203. The processor 1202 may execute program instructions stored in the memory 1203. Optionally, at least one of the one or more memories may be included in the processor.

[0180] The specific connection medium between the transceiver 1201, the processor 1202 and the memory 1203 is not limited in the embodiment of the present application. Fig.12 In the embodiment, the memory 1203, the processor 1202 and the transceiver 1201 are connected via a bus 1204. Fig.12 The connections between the other components are shown in bold lines, which are only for illustration and are not intended to be limiting. The bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Fig.12 Only one thick line is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0181] In the embodiments of the present application, the processor may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, etc., and may implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of the present application. The general-purpose processor may be a microprocessor or any conventional processor, etc. The steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed by a hardware processor, or may be executed by a combination of hardware and software modules in the processor, etc.

[0182] In the embodiment of the present application, the memory may include, but is not limited to, non-volatile memory such as a hard disk drive (HDD) or a solid-state drive (SSD), a random access memory (RAM), an erasable programmable read-only memory (EPROM), a read-only memory (ROM) or a portable read-only memory (CD-ROM), etc. The memory is any storage medium that can be used to carry or store program codes in the form of instructions or data structures and can be read and / or written by a computer (such as a communication device shown in the present application), but is not limited thereto. The memory in the embodiment of the present application can also be a circuit or any other device that can realize a storage function, for storing program instructions and / or data.

[0183] The processor 1202 is mainly used to process the communication protocol and communication data, and to control the entire communication device, execute the software program, and process the data of the software program. The memory 1203 is mainly used to store the software program and data. The transceiver 1201 may include a control circuit and an antenna. The control circuit is mainly used for converting the baseband signal and the radio frequency signal and processing the radio frequency signal. The antenna is mainly used to send and receive radio frequency signals in the form of electromagnetic waves. The input and output devices, such as a touch screen, a display screen, a keyboard, etc., are mainly used to receive data input by the user and output data to the user.

[0184] When the communication device is turned on, the processor 1202 can read the software program in the memory 1203, interpret and execute the instructions of the software program, and process the data of the software program. When data needs to be sent wirelessly, the processor 1202 performs baseband processing on the data to be sent, and outputs the baseband signal to the radio frequency circuit. The radio frequency circuit performs radio frequency processing on the baseband signal and then sends the radio frequency signal outward in the form of electromagnetic waves through the antenna. When data is sent to the communication device, the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 1202. The processor 1202 converts the baseband signal into data and processes the data.

[0185] In another implementation, the RF circuit and antenna may be arranged independently of the processor performing baseband processing. For example, in a distributed scenario, the RF circuit and antenna may be arranged remotely from the communication device.

[0186] The communication device shown in the embodiment of the present application may also have Fig.12The embodiments of the present application do not limit the number of components and the like. The methods executed by the processor and the transceiver shown above are only examples, and the specific steps executed by the processor and the transceiver can refer to the methods described above.

[0187] In a possible implementation, an embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored, and when the computer program is run on a computer, the computer can execute a method in any of the above method embodiments.

[0188] In a possible implementation, an embodiment of the present application further provides a computer program product comprising instructions, the computer program product comprising: a computer program code, when the computer program code is run on a computer, enables the computer to execute a method in any of the above method embodiments.

[0189] In a possible implementation, an embodiment of the present application further provides a communication network, which includes the access device described in any of the above method embodiments and the non-access point site device described in any of the above embodiments. In one example, the access device may be an access point AP, and the non-access point site device may be a site STA.

[0190] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using a software program, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated therein. The available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state disk (SSD)), etc. In an embodiment of the present application, the computer may include the device described above.

[0191] Although the present application is described herein in conjunction with various embodiments, in the process of implementing the claimed application, those skilled in the art may understand and implement other variations of the disclosed embodiments by viewing the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other components or steps, and "one" or "an" does not exclude multiple situations. A single processor or other unit may implement several functions listed in a claim. Certain measures are recorded in different dependent claims, but this does not mean that these measures cannot be combined to produce good results.

[0192] Although the present application has been described in conjunction with specific features and embodiments thereof, it is obvious that various modifications and combinations may be made thereto without departing from the spirit and scope of the present application. Accordingly, this specification and the drawings are merely exemplary illustrations of the present application as defined by the appended claims, and are deemed to have covered any and all modifications, variations, combinations or equivalents within the scope of the present application. Obviously, those skilled in the art may make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A communication method, characterized in that: include: The first access device transmits a first data frame with the non-access point site device via a first communication link; The first access device sends configuration information to the non-access point site device through a second communication link, where the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein operating frequencies of the first communication link and the third communication link are within a first operating frequency range, and an operating frequency of the second communication link is within a second operating frequency range, and frequency values ​​included in the first operating frequency range are all greater than frequency values ​​included in the second operating frequency range.

2. The communication method according to claim 1, characterized in that: The first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

3. The communication method according to claim 1 or 2, characterized in that: Before the first access device sends configuration information to the non-access point site device through the second communication link, the method includes: The first access device determines that the transmission quality of the first communication link does not meet a predetermined standard.

4. The communication method according to any one of claims 1 to 3, characterized in that: The first access device sends configuration information to the non-access point site device through the second communication link, including: The first access device sends a second data frame to the non-access point site device through a second communication link, wherein the second data frame carries the configuration information.

5. The communication method according to claim 4, characterized in that: The second data frame includes: a first data field, wherein the configuration information is set in the first data field.

6. The communication method according to claim 4 or 5, characterized in that: The second data frame includes: a first identification field, where the first identification field is used to instruct the non-access point site device to save the configuration information according to the received second data frame.

7. The communication method according to claim 6, characterized in that: The second data frame includes: a control field, and the first identification field is set in the control field.

8. The communication method according to any one of claims 1 to 7, characterized in that: The configuration information includes: a key required to establish the third communication link.

9. The communication method according to claim 8, characterized in that: The configuration information also includes one or more of the following items required to establish the third communication link: uplink and downlink channel frequency bands, channel bandwidth, power saving period, rate supported by non-access point site equipment, and beam azimuth.

10. A communication method, characterized in that: include: The non-access point site device transmits a first data frame with the first access device via a first communication link; The non-access point site device receives configuration information sent by the first access device through a second communication link, where the configuration information is used by the non-access point site device to establish a third communication link with the second access device, wherein operating frequencies of the first communication link and the third communication link are within a first operating frequency range, and an operating frequency of the second communication link is within a second operating frequency range, and frequency values ​​included in the first operating frequency range are all greater than frequency values ​​included in the second operating frequency range.

11. The communication method according to claim 10, characterized in that: The first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

12. The communication method according to claim 10 or 11, characterized in that: The non-access point site device receives the configuration information sent by the first access device through the second communication link, including: The non-access point site device receives a second data frame sent by the first access device through a second communication link, wherein the second data frame carries the configuration information.

13. The communication method according to claim 12, characterized in that: The second data frame includes: a first data field, wherein the configuration information is set in the first data field.

14. The communication method according to claim 12 or 13, characterized in that: The second data frame includes: a first identification field, where the first identification field is used to instruct the non-access point site device to save the configuration information according to the received second data frame.

15. The communication method according to claim 14, characterized in that: The second data frame includes: a control field, and the first identification field is set in the control field.

16. The communication method according to any one of claims 12 to 15, characterized in that: Also includes: The non-access point site device receives a second data frame sent by the first access device, and saves the configuration information according to the second data frame; The non-access point site device sends a second data response frame to the first access device through a second communication link, wherein the second data response frame is used to indicate that the non-access point site device has saved the configuration information.

17. The communication method according to any one of claims 10 to 16, characterized in that: The configuration information includes: a key required to establish the third communication link.

18. The communication method according to claim 17, characterized in that: The configuration information also includes one or more of the following items required to establish the third communication link: uplink and downlink channel frequency bands, channel bandwidth, power saving period, rate supported by non-access point site equipment, and beam azimuth.

19. A communication method, characterized in that: include: The non-access point site device acquires configuration information, where the configuration information is used for the non-access point site device to establish a third communication link with the second access device; The non-access point site device sends configuration information to the second access device through a second communication link, wherein an operating frequency of the third communication link is within a first operating frequency range, an operating frequency of the second communication link is within a second operating frequency range, and frequency values ​​included in the first operating frequency range are all greater than frequency values ​​included in the second operating frequency range.

20. The communication method according to claim 19, characterized in that: The first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

21. The communication method according to claim 19 or 20, characterized in that: The non-access point site device sends configuration information to the second access device through the second communication link, including: The non-access point site device sends a third data frame to the second access device through a second communication link, wherein the third data frame carries the configuration information.

22. The communication method according to claim 21, characterized in that: The third data frame includes: a second data field, wherein the configuration information is set in the second data field.

23. The communication method according to claim 21 or 22, characterized in that: The third data frame includes: a second identification field, where the second identification field is used to instruct the second access device to establish a third communication link with the non-access point site device according to the received third data frame.

24. The communication method according to claim 23, characterized in that: The third data frame includes: a control field, and the second identification field is set in the control field.

25. A communication method, characterized in that: include: The second access device receives configuration information sent by the non-access point site device through the second communication link, where the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein an operating frequency of the third communication link is within a first operating frequency range, an operating frequency of the second communication link is within a second operating frequency range, and frequency values ​​included in the first operating frequency range are all greater than frequency values ​​included in the second operating frequency range.

26. The communication method according to claim 25, characterized in that: The first operating frequency range is 30 GHz to 300 GHz; the second operating frequency range is 410 MHz to 7125 MHz.

27. The communication method according to claim 25 or 26, characterized in that: The second access device receives configuration information sent by the non-access point site device through the second communication link, including: The second access device receives a third data frame sent by the non-access point site device through a second communication link, wherein the third data frame carries the configuration information.

28. The communication method according to claim 27, characterized in that: The third data frame includes: a second data field, wherein the configuration information is set in the second data field.

29. The communication method according to claim 27 or 28, characterized in that: The third data frame includes: a second identification field, where the second identification field is used to instruct the second access device to establish a third communication link with the non-access point site device according to the received third data frame.

30. The communication method according to any one of claims 27 to 29, characterized in that: Also includes: The second access device receives a third data frame sent by the non-access point site device, and establishes a third communication link with the non-access point site device according to the third data frame; The second access device sends a third data response frame to the non-access point site device through the second communication link, wherein the third data response frame is used to indicate that the second access device has established a third communication link with the non-access point site device according to the received third data frame.

31. A communication device, comprising: Transmission unit and sending unit; The transmission unit is used to transmit a first data frame with a non-access point site device through a first communication link; The sending unit is configured to send configuration information to the non-access point site device through a second communication link, where the configuration information is used by the non-access point site device to establish a third communication link with the second access device, wherein the operating frequencies of the first communication link and the third communication link are within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

32. A communication device, comprising: a transmitting unit and a receiving unit; The transmission unit is used to transmit a first data frame to a first access device via a first communication link; The receiving unit is used to receive configuration information sent by the first access device through a second communication link, where the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein the operating frequencies of the first communication link and the third communication link are within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

33. A communication device, comprising: Get unit and send unit; The acquisition unit is used to acquire configuration information, where the configuration information is used for the non-access point site device to establish a third communication link with the second access device; The sending unit is used to send the configuration information acquired by the acquiring unit to the second access device through a second communication link, wherein the operating frequency of the third communication link is within a first operating frequency range, the operating frequency of the second communication link is within a second operating frequency range, and the frequency values ​​included in the first operating frequency range are all greater than the frequency values ​​included in the second operating frequency range.

34. A communication device, comprising: transmission unit and processing unit; The transmission unit is configured to receive configuration information sent by a non-access point site device through a second communication link, wherein the configuration information is used for the non-access point site device to establish a third communication link with the second access device, wherein an operating frequency of the third communication link is within a first operating frequency range, an operating frequency of the second communication link is within a second operating frequency range, and frequency values ​​included in the first operating frequency range are all greater than frequency values ​​included in the second operating frequency range; The processing unit is configured to establish a third communication link with the non-access point site device according to the configuration information received by the transmission unit.

35. A communication device, characterized in that: The method comprises a processor and an interface circuit, wherein the processor is coupled to the interface circuit; The processor is used to execute a computer program or instruction stored in the memory, and control the interface circuit to execute the communication method according to any one of claims 1 to 30.

36. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program or instructions. When a computer reads and executes the computer program or instructions, the computer executes the method according to any one of claims 1 to 30.

Images