Communication method, access point device, station device and communication system

Abstract

Embodiments of the present disclosure relate to a communication method, an access point device, a station device, and a communication system. The communication method comprises: an access point device determines a first radio frame, wherein the first radio frame is used for triggering a station device to switch to a secondary channel for communication when a primary channel is busy, the first radio frame comprises first identification information, and the first identification information identifies bandwidth information of the secondary channel negotiated between the access point device and the station device; and the station device monitors and receives the first radio frame on the secondary channel, determines parameter information of the secondary channel on the basis of the first identification information in the first radio frame, and carries out communication in the secondary channel on the basis of the parameter information, so that the throughput of a communication system is improved, and the utilization of channel resources is maximized.

Description

Communication method, access point device, site device and communication system Technical Field

[0001] The present disclosure relates to the field of communication technology, and in particular to a communication method, an access point device, a station device, and a communication system. Background Art

[0002] Currently, Wi-Fi technology research focuses on Ultra High Reliability (UHR), with the goal of improving the reliability of Wireless Local Area Networks (WLAN) connections, reducing latency, improving manageability, increasing throughput at different signal-to-noise ratio (SNR) levels, and reducing device-level power consumption.

[0003] In UHR, in order to fully utilize channel resources and support WLAN devices to communicate on auxiliary channels, it is necessary to further improve the mechanism for WLAN devices to communicate on auxiliary channels to meet the transmission requirements of UHR.

[0004] Summary of the Invention

[0005] The embodiments of the present disclosure provide a communication method, an access point device, a station device, and a communication system to further improve the communication mechanism of WLAN devices on auxiliary channels.

[0006] In one aspect, an embodiment of the present disclosure provides a communication method, the method comprising:

[0007] The access point device determines a first radio frame; wherein the first radio frame is used to trigger the station device to switch to the auxiliary channel for communication when the primary channel is busy; the first radio frame includes first identification information, and the first identification information identifies bandwidth information of the auxiliary channel negotiated between the access point device and the station device;

[0008] The first radio frame is transmitted on the auxiliary channel.

[0009] On the other hand, an embodiment of the present disclosure further provides a communication method, the method comprising:

[0010] The site device receives a first wireless frame on the auxiliary channel; wherein the first wireless frame is used to trigger the site device to switch to the auxiliary channel for communication when the main channel is busy; the first wireless frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated by the access point device and the site device.

[0011] On the other hand, an embodiment of the present disclosure further provides an access point device, the access point device comprising:

[0012] a determining module configured to determine a first radio frame; wherein the first radio frame is used to trigger the station device to switch to the auxiliary channel for communication when the primary channel is busy; the first radio frame includes first identification information, the first identification information identifying bandwidth information of the auxiliary channel negotiated between the access point device and the station device;

[0013] A sending module is configured to send the first wireless frame on the auxiliary channel.

[0014] On the other hand, an embodiment of the present disclosure further provides a site device, the site device including:

[0015] A first receiving module is used to receive a first wireless frame on the auxiliary channel; wherein the first wireless frame is used to trigger the site device to switch to the auxiliary channel for communication when the primary channel is busy; the first wireless frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated by the access point device and the site device.

[0016] On the other hand, an embodiment of the present disclosure further provides a communication device, wherein the communication device includes an access point device, and the access point device includes:

[0017] one or more processors;

[0018] The access point device is used to implement the communication method described in the embodiment of the present disclosure.

[0019] On the other hand, an embodiment of the present disclosure further provides a communication device, wherein the communication device includes a site device, and the site device includes:

[0020] one or more processors;

[0021] The site device is used to execute the communication method described in the embodiment of the present disclosure.

[0022] An embodiment of the present disclosure further provides a communication system, including an access point device and a site device; wherein the access point device is configured to implement the communication method described in the embodiment of the present disclosure, and the site device is configured to implement the communication method described in the embodiment of the present disclosure.

[0023] An embodiment of the present disclosure further provides a storage medium storing instructions. When the instructions are executed on a communication device, the communication device executes the communication method described in the embodiment of the present disclosure, or executes the communication method described in the embodiment of the present disclosure.

[0024] In an embodiment of the present disclosure, an access point device determines a first radio frame; wherein the first radio frame is used to trigger a site device to switch to a secondary channel for communication when a primary channel is busy; the first radio frame includes first identification information, and the first identification information identifies bandwidth information of the secondary channel negotiated between the access point device and the site device; the site device listens on the secondary channel and receives the first radio frame, determines parameter information of the secondary channel based on the first identification information in the first radio frame, and communicates on the secondary channel based on the parameter information, so as to improve the throughput of the communication system and maximize channel resource utilization.

[0025] Additional aspects and advantages of the embodiments of the present disclosure will be given in part in the following description, which will become apparent from the following description or be learned through practice of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following drawings required for describing the embodiments are introduced. The following drawings are merely some embodiments of the present disclosure and do not impose specific limitations on the protection scope of the present disclosure.

[0027] FIG1 is an exemplary schematic diagram of the architecture of a communication system provided according to an embodiment of the present disclosure;

[0028] FIG2 is an exemplary interaction diagram of a method provided according to an embodiment of the present disclosure;

[0029] FIG3 is a flow chart of a communication method according to an embodiment of the present disclosure;

[0030] FIG4 is a second flow chart of the communication method provided in an embodiment of the present disclosure;

[0031] FIG5 is a schematic structural diagram of an access point device proposed in an embodiment of the present disclosure;

[0032] FIG6 is a schematic diagram of the structure of a site device proposed in an embodiment of the present disclosure;

[0033] FIG7 is a schematic diagram of the structure of a terminal proposed in an embodiment of the present disclosure;

[0034] FIG8 is a schematic diagram of the structure of a chip proposed in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0035] The embodiments of the present disclosure provide a communication method, an access point device, a station device, and a communication system.

[0036] In a first aspect, an embodiment of the present disclosure provides a communication method, the method comprising:

[0037] The access point device determines a first radio frame; wherein the first radio frame is used to trigger the station device to switch to the auxiliary channel for communication when the primary channel is busy; the first radio frame includes first identification information, and the first identification information identifies bandwidth information of the auxiliary channel negotiated between the access point device and the station device;

[0038] The first radio frame is transmitted on the auxiliary channel.

[0039] In the above embodiment, the access point device determines the first wireless frame, so that the site device listens to and receives the first wireless frame on the auxiliary channel, determines the parameter information of the auxiliary channel based on the first identification information in the first wireless frame, and communicates in the auxiliary channel based on the parameter information to improve the throughput of the communication system and maximize the utilization of channel resources.

[0040] In combination with some embodiments of the first aspect, in some embodiments, the first identification information is carried in a common information common info field of the first radio frame;

[0041] The bandwidth information includes one or more bandwidth values.

[0042] In the above embodiment, by negotiating the bandwidth information of the auxiliary channel, the communication mechanism of the WLAN device on the auxiliary channel is further improved, so as to improve the throughput of the communication system.

[0043] In combination with some embodiments of the first aspect, in some embodiments, the first radio frame includes second identification information, and the second identification information identifies that the type of the first radio frame is a setup frame for triggering switching to the auxiliary channel communication.

[0044] In the above embodiment, by identifying the type of the first radio frame, it is convenient to trigger the station device to switch to the auxiliary channel communication.

[0045] In combination with some embodiments of the first aspect, in some embodiments, the second identification information is carried in a user information user info field of the first radio frame;

[0046] The user info field also includes parameter information of the auxiliary channel.

[0047] In the above embodiment, the parameter information of the auxiliary channel is identified by the user info field, thereby further improving the communication mechanism of the WLAN device on the auxiliary channel.

[0048] With reference to some embodiments of the first aspect, in some embodiments, the parameter information includes at least one of the following:

[0049] Channel identification information, spatial stream information, association identifier AID information of the site device, and MCS information.

[0050] In the above embodiment, the communication mechanism of the WLAN device in the auxiliary channel is further improved to provide more parameter information.

[0051] In combination with some embodiments of the first aspect, in some embodiments, the first radio frame includes a multi-user transmission request MU-RTS frame or a buffer status report polling BSRP frame.

[0052] In the above embodiment, the first identification information is carried by the MU-RTS frame or the BSRP frame.

[0053] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:

[0054] receiving a second radio frame sent by the station device; wherein the second radio frame identifies that the station device is communicating on the auxiliary channel;

[0055] The second radio frame includes a Clear to Send (CTS) frame and / or a QoS null frame, and the QoS null frame carries a BSR field.

[0056] In the above embodiment, the second radio frame is used to identify that the station device will communicate on the auxiliary channel, thereby further improving the mechanism for the WLAN device to communicate on the auxiliary channel.

[0057] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:

[0058] receiving a third radio frame sent by the station device, where the third radio frame indicates that the station device has completed communication on the auxiliary channel;

[0059] The third radio frame includes a power saving PS field; the station device and the access point device pre-negotiate a PS mode, and the PS field indicates that the station device enters the PS mode after switching to the primary channel.

[0060] In the above embodiment, the negotiation of the PS mode is implemented through the third radio frame.

[0061] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:

[0062] Receive on the primary channel: a data frame sent by the site device through the enhanced distributed channel access EDCA mechanism, and / or a PS mode confirmation message frame sent by the site device; wherein the communication duration of the site device on the secondary channel exceeds the network allocation vector NAV setting duration of the primary channel.

[0063] In the above embodiment, the data frame PS mode confirmation message frame sent through the EDCA mechanism indicates that the site device 101 continues to send data frames on the primary channel, further improving the communication mechanism of the WLAN device on the auxiliary channel to improve the communication system throughput.

[0064] In a second aspect, an embodiment of the present disclosure provides a communication method, the method comprising:

[0065] The site device receives a first wireless frame on the auxiliary channel; wherein the first wireless frame is used to trigger the site device to switch to the auxiliary channel for communication when the main channel is busy; the first wireless frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated by the access point device and the site device.

[0066] In conjunction with some embodiments of the second aspect, in some embodiments, the first identification information is carried in the common info field of the first radio frame;

[0067] The bandwidth information includes one or more bandwidth values.

[0068] In combination with some embodiments of the second aspect, in some embodiments, the first radio frame includes second identification information, and the second identification information identifies that the type of the first radio frame is a setup frame for triggering switching to the auxiliary channel communication.

[0069] In conjunction with some embodiments of the second aspect, in some embodiments, the second identification information is carried in a user info field of the first radio frame;

[0070] The user info field also includes parameter information of the auxiliary channel.

[0071] In conjunction with some embodiments of the second aspect, in some embodiments, the parameter information includes at least one of the following:

[0072] Channel identification information, spatial stream information, AID information of the site device, and MCS information.

[0073] In combination with some embodiments of the second aspect, in some embodiments, the first radio frame includes a MU-RTS frame or a BSRP frame.

[0074] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes:

[0075] Sending a second radio frame to the access point device; wherein the second radio frame identifies that the station device communicates on the auxiliary channel;

[0076] The second radio frame includes a CTS frame and / or a QoS null frame, and the QoS null frame carries a BSR field.

[0077] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes:

[0078] Sending a third radio frame to the access point device, where the third radio frame indicates that the station device has completed communication on the auxiliary channel;

[0079] The third radio frame includes a PS field; the station device and the access point device pre-negotiate a PS mode, and the PS field indicates that the station device enters the PS mode after switching to the primary channel.

[0080] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes:

[0081] Sending a data frame to the access point device through the EDCA mechanism on the primary channel, and / or sending a PS mode confirmation message frame to the access point device on the primary channel; wherein the communication duration of the site device on the auxiliary channel exceeds the NAV setting duration of the primary channel.

[0082] In a third aspect, an embodiment of the present disclosure further provides an access point device, comprising at least one of a determination module and a sending module; wherein the access point device is configured to execute the optional implementation of the first aspect.

[0083] In a fourth aspect, an embodiment of the present disclosure further provides a site device, including: a first receiving module; wherein the above-mentioned site device is used to execute the optional implementation method of the second aspect.

[0084] In a fifth aspect, an embodiment of the present disclosure further provides an access point device, including:

[0085] one or more processors;

[0086] The access point device is used to execute the optional implementation of the first aspect.

[0087] In a sixth aspect, an embodiment of the present disclosure further provides a site device, including:

[0088] one or more processors;

[0089] The site device is used to execute the optional implementation of the second aspect.

[0090] In a seventh aspect, an embodiment of the present disclosure further provides a communication system, comprising an access point device and a site device; wherein the access point device is configured to perform the optional implementation method described in the first aspect, and the site device is configured to perform the optional implementation method described in the second aspect.

[0091] In an eighth aspect, an embodiment of the present disclosure further provides a storage medium storing instructions, which, when executed on a communication device, enables the communication device to execute the optional implementation methods described in the first and second aspects.

[0092] In a ninth aspect, an embodiment of the present disclosure proposes a program product. When the program product is executed by a communication device, the communication device executes the method described in the optional implementation of the first and second aspects.

[0093] In a tenth aspect, an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the optional implementation of the first and second aspects.

[0094] In an eleventh aspect, an embodiment of the present disclosure provides a chip or a chip system, wherein the chip or chip system includes a processing circuit configured to execute the method described in the optional implementation of the first and second aspects above.

[0095] It is understandable that the aforementioned access point devices, station devices, communication systems, storage media, program products, computer programs, chips, or chip systems are all used to perform the methods proposed in the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects of the corresponding methods and will not be repeated here.

[0096] The embodiments of the present disclosure provide a communication method, an access point device, a station device, and a communication system. In some embodiments, the terms communication method, signal transmission method, wireless frame transmission method, etc. are interchangeable, and the terms information processing system, communication system, etc. are interchangeable.

[0097] The embodiments of the present disclosure are not exhaustive and are merely illustrative of some embodiments, and are not intended to be a specific limitation on the scope of protection of the present disclosure. In the absence of contradiction, each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged. In addition, the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, some or all steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0098] In each embodiment of the present disclosure, unless otherwise specified or provided for by logic, the terms and / or descriptions between the embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form a new embodiment based on their inherent logical relationships.

[0099] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.

[0100] In the embodiments of the present disclosure, “plurality” refers to two or more.

[0101] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," etc. may be used interchangeably.

[0102] In some embodiments, descriptions such as "at least one of A and B," "A and / or B," "A in one case, B in another case," or "in response to one case A, in response to another case B" may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); and in some embodiments, A and B (both A and B are executed). The above is also applicable when there are more branches such as A, B, and C.

[0103] In some embodiments, "A or B" and other descriptions may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The above is also applicable when there are more branches such as A, B, C, etc.

[0104] The prefixes such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different description objects and do not constitute any restriction on the position, order, priority, quantity or content of the description objects. For the statement of the description object, please refer to the description in the context of the claims or embodiments, and no unnecessary restriction should be constituted due to the use of prefixes. For example, if the description object is a "field", the ordinal number before the "field" in the "first field" and the "second field" does not limit the position or order between the "fields". "First" and "second" do not limit whether the "fields" they modify are in the same message, nor do they limit the order of the "first field" and the "second field". For another example, if the description object is a "level", the ordinal number before the "level" in the "first level" and the "second level" does not limit the priority between the "levels". For another example, the number of description objects is not limited by the ordinal number and can be one or more. Taking "first device" as an example, the number of "devices" can be one or more. In addition, the objects modified by different prefixes can be the same or different. For example, if the description object is "device", then the "first device" and the "second device" can be the same device or different devices, and their types can be the same or different. For another example, if the description object is "information", then the "first information" and the "second information" can be the same information or different information, and their contents can be the same or different.

[0105] In some embodiments, “including A,” “comprising A,” “used to indicate A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0106] In some embodiments, terms such as "in response to...", "in response to determining...", "in the case of...", "at the time of...", "when...", "if...", "if...", etc. can be used interchangeably.

[0107] In some embodiments, terms such as "greater than", "greater than or equal to", "not less than", "more than", "more than or equal to", "not less than", "higher than", "higher than or equal to", "not less than", and "above" can be replaced with each other, and terms such as "less than", "less than or equal to", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", and "below" can be replaced with each other.

[0108] In some embodiments, devices and equipment can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they can also be understood as "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", "subject", etc.

[0109] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

[0110] In some embodiments, data, information, etc. may be obtained with the user's consent.

[0111] In addition, each element, each row, or each column in the table of the embodiment of the present disclosure can be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns can also be implemented as an independent embodiment.

[0112] FIG1 is a schematic diagram showing a communication method according to an embodiment of the present disclosure.

[0113] As shown in Figure 1, in a WLAN, channels are typically divided into primary channels and secondary channels (or non-primary channels, or secondary channels, non-primary channels); a primary channel is, for example, the primary 20 MHz channel in Figure 1; wherein, a secondary channel may include one or more sub-channels, such as the 20 MHz secondary channel and the 40 MHz secondary channel in Figure 1.

[0114] During the channel contention process, if the primary channel is in the OBSS busy state (OBSS interference), as shown in the T1 and T2 time periods in the figure, for example, it is occupied by other devices in the same OBSS as the WLAN, and other devices send physical layer protocol data units (PPDUs) on the primary channel, then the primary channel is in the OBSS busy state. If the primary channel is in the OBSS busy state, in order to fully utilize the channel resources, it can be switched to the auxiliary channel communication to improve the communication system throughput and maximize the utilization of channel resources. For example, in the T1 time period, it can switch to the 20MHz auxiliary channel communication, or in the T2 time period, it can switch to the 40MHz auxiliary channel communication.

[0115] If the primary channel is in an idle state, as shown in the T3 time period in the figure, the AP and STA can send PPDUs to each other.

[0116] FIG2 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.

[0117] As shown in FIG2 , a communication system 100 includes a station device (STA) 101 and an access point device (AP) 102 .

[0118] In some embodiments, the site device 101 includes, for example, a wireless communication chip, a wireless sensor, or a wireless communication terminal that supports WiFi communication. Optionally, the wireless communication terminal includes, but is not limited to, at least one of a mobile phone, a wearable device, an Internet of Things device that supports WiFi communication, a car with WiFi communication, a smart car, a tablet computer, a computer with wireless transceiver capabilities, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device used in industrial control, a wireless terminal device used in self-driving, a wireless terminal device used in remote medical surgery, a wireless terminal device used in a smart grid, a wireless terminal device used in transportation safety, a wireless terminal device used in a smart city, and a wireless terminal device used in a smart home.

[0119] Specifically, the station device 101 may be a terminal device or network device equipped with a wireless fidelity (WiFi) chip. Optionally, the station device 101 may support multiple WLAN standards, such as 802.11ax, 802.11be, 802.11ac, 802.11n, 802.11g, 802.11b, 802.11a, 802.11bf, and 802.11bn, as well as the next generation 802.11 protocol, but is not limited thereto.

[0120] In some embodiments, the access point device 102 can be an access point for a mobile terminal to enter a wired network. The AP is equivalent to a bridge connecting a wired network and a wireless network. Its main function is to connect various wireless network clients together and then connect the wireless network to the Ethernet. Specifically, the AP can be a terminal device or a network device with a wireless fidelity chip. Optionally, the AP can support multiple WLAN standards such as 802.11ax, 802.11be, 802.11ac, 802.11n, 802.11g, 802.11b and 802.11a, 802.11bf, 802.11bn, and support the next generation 802.11 protocol, but is not limited to this.

[0121] Optionally, in an embodiment of the present disclosure, the AP and STA may be devices supporting multiple connections, for example, they may be represented as a multi-connection access point device (AP MLD) and a multi-link site device (Non-Access Point Multi-Link Device, Non-AP MLD), respectively; the AP MLD may represent an access point supporting multi-connection communication functions, and the non-AP MLD may represent a site supporting multi-connection communication functions.

[0122] It can be understood that the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure. Ordinary technicians in this field can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.

[0123] The following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG2 , or a portion thereof, but are not limited thereto. The entities shown in FIG2 are illustrative only. The communication system may include all or part of the entities shown in FIG2 , or may include other entities outside of FIG2 . The number and form of the entities are arbitrary, and the entities may be physical or virtual. The connection relationship between the entities is illustrative only. The entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.

[0124] The various embodiments of the present disclosure can be applied to wireless local area networks (WLANs), such as those using the 802.11 series of protocols. In a WLAN, a Basic Service Set (BSS) is a fundamental component of a WLAN. A BSS network consists of station devices with some association within a specific coverage area. One scenario of association is that stations communicate directly with each other in an ad hoc network, which is called an Independent Basic Service Set (IBSS). Another more common scenario is that in a BSS network, there is only one central station dedicated to managing the BSS, called an access point, and all other STAs in the network are associated with it. Other stations in the BSS network that are not the central station are called terminals, also called non-AP STAs. Terminals and non-AP STAs are collectively referred to as STAs. When describing STAs, there is no need to distinguish between APs and non-AP STAs. In the same BSS network, due to distance, transmission power, and other factors, a STA cannot detect other STAs that are farther away from it, and the two STAs are each other's hidden nodes.

[0125] As shown in FIG2 , the above method includes:

[0126] In step 201, the access point device 102 determines a first radio frame; wherein the first radio frame is used to trigger the site device to switch to the auxiliary channel for communication when the primary channel is busy; the first radio frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated between the access point device and the site device.

[0127] In WLAN, channels are usually divided into primary channels and secondary channels (or non-primary channels). A secondary channel can contain one or more sub-channels. For example, if the basic bandwidth unit is 20 MHz, when the channel bandwidth is 20 MHz, there is only one primary channel with a bandwidth of 20 MHz. When the channel bandwidth is greater than 20 MHz, there is one channel with a bandwidth of 20 MHz as the primary channel, and the remaining one or more 20 MHz channels are secondary channels. The primary 20 MHz channel is the common channel of operation for stations that are members of the basic service set (BSS). Stations in the BSS can compete for channels on the primary 20 MHz channel to seize channel resources.

[0128] During the channel contention process, if the primary channel is in the OBSS busy state, for example, if it is occupied by other devices in the same OBSS as access point device 102 and other devices are sending physical layer protocol data units (PPDUs) on the primary channel, then the primary channel is in the OBSS busy state. If the primary channel is in the OBSS busy state, in order to fully utilize channel resources, the secondary channel can be switched to communicate with site device 101, and site device 101 can be scheduled to the secondary channel. Data can be sent and received with site device 101, thereby improving communication system throughput and maximizing channel resource utilization.

[0129] In an embodiment of the present disclosure, in order to switch to the auxiliary channel for communication when the primary channel is busy, the access point device 102 determines a first wireless frame; wherein the first wireless frame is used to trigger the site device to switch to the auxiliary channel for communication when the primary channel is busy; optionally, the first wireless frame can be a trigger frame, such as a multi-user request to send (MU-RTS) or a buffer status report poll (BSRP) frame.

[0130] The first radio frame includes first identification information, where the first identification information identifies bandwidth information of the auxiliary channel negotiated between the access point device 102 and the site device. The bandwidth information is a communication bandwidth value of the auxiliary channel negotiated between the access point device 102 and the site device 101, such as uplink bandwidth information (UL Bandwidth, UL BW) or downlink bandwidth information (DL Bandwidth, DL BW). Optionally, taking UL BW as an example, two bits can be used in the first radio frame to identify the UL BW value, for example, "00" identifies 20 MHz, "01" identifies 40 MHz, "10" identifies 80 MHz, and "11" identifies 160 MHz.

[0131] Taking the first radio frame as an MU-RTS frame or a BSRP frame as an example, the first identification information may be carried in the common information common info field of the first radio frame.

[0132] Step 202: The access point device 102 sends the first radio frame on the auxiliary channel.

[0133] The access point device 102 sends the first radio frame on the auxiliary channel, so that when the primary channel is busy, the WLAN device can communicate on the auxiliary channel. For example, when non-periodic data transmission occurs between the access point device 102 and the site device 101, or when the access point device 102 has downlink data to send to the site device 101, when the WLAN device senses that the primary channel is busy, it can switch to the auxiliary channel to send an MU-RTS frame or a BSRP frame. The site device 101 listens to and receives the first radio frame on the auxiliary channel, determines the parameter information of the auxiliary channel based on the first identification information in the first radio frame, and communicates on the auxiliary channel based on the parameter information, so as to improve the throughput of the communication system and maximize the utilization of channel resources.

[0134] Step 203: The station device 101 receives the first radio frame on the auxiliary channel.

[0135] Optionally, the site device 101 listens to the auxiliary channel and receives the first wireless frame, and can reply a clear to send (CTS) frame to the access point device 102, so that the access point device 102 confirms that the auxiliary channel is idle according to the CTS frame and can send data, thereby realizing communication on the auxiliary channel.

[0136] In some embodiments, the first identification information is carried in a common info field of the first radio frame;

[0137] The bandwidth information includes one or more bandwidth values.

[0138] The first identification information may be carried in the common info field of the first radio frame; the bandwidth information is the communication bandwidth value of the auxiliary channel negotiated between the access point device 102 and the site device 101, such as uplink bandwidth information (UL Bandwidth, UL BW) or downlink bandwidth information (DL Bandwidth, DL BW). The bandwidth information includes one or more bandwidth values. Taking UL BW as an example, two bits may be used in the common info field to identify the UL BW value, for example, "00" identifies 20 MHz, "01" identifies 40 MHz, "10" identifies 80 MHz, and "11" identifies 160 MHz. By negotiating the bandwidth information of the auxiliary channel, the mechanism for WLAN devices to communicate on the auxiliary channel is further improved, thereby improving the throughput of the communication system.

[0139] In some embodiments, the first wireless frame includes second identification information, and the second identification information identifies that the type of the first wireless frame is a setup frame for triggering switching to the auxiliary channel communication. For example, the first wireless frame can be a MU-RTS frame or a BSRP frame, which is used to trigger switching to the auxiliary channel communication.

[0140] In some embodiments, the second identification information is carried in a user info field of the first radio frame;

[0141] The second identification information is carried in the user info field of the first radio frame, and the frame type of the first radio frame is identified by one bit in the user info field.

[0142] The user info field also includes parameter information of the auxiliary channel. By identifying the parameter information of the auxiliary channel, the communication mechanism of the WLAN device on the auxiliary channel is further improved.

[0143] In some embodiments, the parameter information includes at least one of the following:

[0144] Channel ID information, spatial stream information, Association Identifier (AID) information of the site device, and Modulation and Coding Scheme (MCS) information.

[0145] Among them, the channel ID can be determined by the access point device 102 and the site device 101 during the initial association process; the spatial stream information can be identified in the form of SS allocation information, such as parameter information such as the number of spatial streams (NSS); the AID information can be allocated by the access point device 102 to the site device 101 in the initial association process; the MCS information includes the MCS mode, such as the modulation mode, the transmission power, etc.; under normal circumstances, the communication environment between the main channel and the auxiliary channel changes little, and the MCS mode of the auxiliary channel can be the same as the MCS mode in the main channel.

[0146] Step 204 , the site device 101 sends a second radio frame; wherein the second radio frame identifies that the site device communicates on the auxiliary channel; wherein the second radio frame includes a CTS frame and / or a QoS null frame, and the QoS null frame carries a BSR field.

[0147] The station device 101 monitors the auxiliary channel and receives the first radio frame, and can reply to the access point device 102 with a second radio frame, where the second radio frame indicates that the station will communicate on the auxiliary channel;

[0148] Optionally, the second wireless frame includes a CTS frame and / or a Quality of Service-null (QoS null) frame, the QoS null frame carries a buffer status report (BSR) field, and the BSR field identifies the buffer status information of the site device 101.

[0149] Step 205: The access point device 102 receives a second radio frame sent by the station device 101; wherein the second radio frame indicates that the station device communicates on the auxiliary channel;

[0150] The second radio frame includes a CTS frame and / or a QoS null frame, and the QoS null frame carries a BSR field, indicating that the site device 101 communicates on the auxiliary channel.

[0151] Step 206: The station device 101 sends a third radio frame, where the third radio frame indicates that the station device has completed communication on the auxiliary channel.

[0152] The third radio frame includes a PS field; the station device and the access point device negotiate a power saving (PS) mode with the access point device 102 in advance, and the PS field indicates that the station device enters the PS mode after switching to the primary channel.

[0153] If the station device and the access point device have previously negotiated the PS mode in the primary channel, the station device 101 switches back to the primary channel and enters the PS mode after completing the communication in the secondary channel.

[0154] Optionally, the third radio frame may be an ACK frame, and the PS field of the MAC frame header of the ACK frame may be set to "1" to indicate that it enters the PS mode in the primary channel.

[0155] Step 207: The access point device 102 receives a third radio frame sent by the station device, where the third radio frame indicates that the station device has completed communication on the auxiliary channel.

[0156] The third radio frame includes a PS field; the station device and the access point device pre-negotiate a PS mode, and the PS field indicates that the station device enters the PS mode after switching to the primary channel.

[0157] After receiving the third radio frame sent by the station device, the access point device 102 confirms that the station device 101 completes communication on the primary channel and switches back to the primary channel, and then enters the PS mode.

[0158] Optionally, after receiving the third radio frame, the access point device 102 may reply an acknowledgment frame to the station device 101 to respond to the third radio frame.

[0159] In some embodiments, the method further comprises:

[0160] The access point device 102 receives on the primary channel: a data frame sent by the site device through an enhanced distributed channel access (EDCA) mechanism, and / or a PS mode confirmation message frame sent by the site device; wherein the communication duration of the site device on the auxiliary channel exceeds the NAV setting duration of the primary channel.

[0161] Normally, the communication duration between the access point device 102 and the site device 101 in the auxiliary channel does not exceed the duration set by the Network Allocation Vector (NAV) of the primary channel. If the communication duration in the auxiliary channel is longer than the NAV duration set in the primary channel it perceives, the site device 101 can only send data frames with the NAV duration set, and the site device 101 needs to switch to the primary channel to continue communicating; for example, re-access the channel through the EDCA mechanism to continue sending data frames. Optionally, the site device 101 also completes the PS confirmation mechanism through a PS mode confirmation message frame on the primary channel; for example, the PS mode confirmation message frame indicates that after the site device 101 switches to the primary channel for communication, it does not enter the PS mode and remains in the awake state.

[0162] The access point device 102 receives the data frame sent by the site device 101 through the EDCA mechanism on the primary channel, indicating that the site device 101 continues to send data frames on the primary channel; the access point device 102 receives the PS mode confirmation message frame sent by the site device 101 on the primary channel, indicating that the site device 101 does not enter the PS mode after switching to the primary channel communication.

[0163] In some embodiments, the names of information, etc. are not limited to the names described in the embodiments, and terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.

[0164] In some embodiments, terms such as "moment", "time point", "time", and "time position" can be replaced with each other, and terms such as "duration", "period", "time window", "window", and "time" can be replaced with each other.

[0165] In some embodiments, terms such as wireless access scheme and waveform may be used interchangeably.

[0166] In some embodiments, terms such as "certain", "preseted", "preset", "setting", "indicated", "some", "any", and "first" can be interchangeable. "Specific A", "preset A", "preset A", "setting A", "indicated A", "some A", "any A", and "first A" can be interpreted as A pre-specified in a protocol, etc., or as A obtained through setting, configuration, or indication, etc., or as specific A, some A, any A, or first A, etc., but are not limited to this.

[0167] In some embodiments, the determination or judgment can be performed by a value represented by 1 bit (0 or 1), or by a true or false value (Boolean value) represented by true or false, or by comparison of numerical values ​​(for example, comparison with a predetermined value), but is not limited thereto.

[0168] In some embodiments, "not expecting to receive" can be interpreted as not receiving on time domain resources and / or frequency domain resources, or as not performing subsequent processing on the data after receiving it; "not expecting to send" can be interpreted as not sending, or as sending but not expecting the recipient to respond to the content sent.

[0169] The communication method involved in the embodiments of the present disclosure may include at least one of the aforementioned steps and embodiments. For example, step 201 can be implemented as an independent embodiment, step 202 can be implemented as an independent embodiment, step 204 can be implemented as an independent embodiment, step 205 can be implemented as an independent embodiment, and step 206 can be implemented as an independent embodiment; the combination of step 201 and step 202 can be implemented as an independent embodiment, and the combination of step 204 and step 205 can be implemented as an independent embodiment, but the present invention is not limited thereto.

[0170] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 2 .

[0171] FIG3 is a flowchart of a communication method according to an embodiment of the present disclosure.

[0172] As shown in FIG3 , the above method may be applied to an access point device 102, and the above method includes:

[0173] Step 301: The access point device determines a first radio frame; wherein the first radio frame is used to trigger the station device to switch to the secondary channel for communication when the primary channel is busy; the first radio frame includes first identification information, and the first identification information identifies bandwidth information of the secondary channel negotiated between the access point device and the station device;

[0174] Step 302: Send the first radio frame on the auxiliary channel.

[0175] Optionally, in an embodiment of the present disclosure, the first identification information is carried in a common information field of the first radio frame;

[0176] The bandwidth information includes one or more bandwidth values.

[0177] Optionally, in an embodiment of the present disclosure, the first radio frame includes second identification information, and the second identification information identifies that the type of the first radio frame is a setup frame for triggering switching to the auxiliary channel communication.

[0178] Optionally, in an embodiment of the present disclosure, the second identification information is carried in a user information user info field of the first radio frame;

[0179] The user info field also includes parameter information of the auxiliary channel.

[0180] Optionally, in the embodiment of the present disclosure, the parameter information includes at least one of the following:

[0181] Channel identification information, spatial stream information, association identifier AID information of the site device, and MCS information.

[0182] Optionally, in an embodiment of the present disclosure, the first radio frame includes a multi-user transmission request MU-RTS frame or a buffer status report polling BSRP frame.

[0183] Optionally, in the embodiment of the present disclosure, the method further includes:

[0184] Step 305: Receive a second radio frame sent by the site device; wherein the second radio frame indicates that the site device is communicating on the auxiliary channel;

[0185] The second radio frame includes a Clear to Send (CTS) frame and / or a QoS null frame, and the QoS null frame carries a BSR field.

[0186] Optionally, in the embodiment of the present disclosure, the method further includes:

[0187] Step 307: Receive a third radio frame sent by the station device, where the third radio frame indicates that the station device has completed communication on the auxiliary channel.

[0188] The third radio frame includes a power saving PS field; the station device and the access point device pre-negotiate a PS mode, and the PS field indicates that the station device enters the PS mode after switching to the primary channel.

[0189] Optionally, in the embodiment of the present disclosure, the method further includes:

[0190] Receive on the primary channel: a data frame sent by the site device through the enhanced distributed channel access EDCA mechanism, and / or a PS mode confirmation message frame sent by the site device; wherein the communication duration of the site device on the secondary channel exceeds the network allocation vector NAV setting duration of the primary channel.

[0191] The communication method involved in the embodiments of the present disclosure may include at least one of the aforementioned steps and embodiments. For example, step 301 may be implemented as an independent embodiment, step 302 may be implemented as an independent embodiment, step 305 may be implemented as an independent embodiment, and step 307 may be implemented as an independent embodiment; the combination of step 301 and step 302 may be implemented as an independent embodiment, but is not limited thereto.

[0192] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 3 .

[0193] FIG4 is a second flowchart of a communication method according to an embodiment of the present disclosure.

[0194] As shown in FIG4 , the method is applied to a site device 101, and the method includes:

[0195] In step 401, a site device receives a first wireless frame on a secondary channel; wherein the first wireless frame is used to trigger the site device to switch to the secondary channel for communication when the primary channel is busy; the first wireless frame includes first identification information, and the first identification information identifies the bandwidth information of the secondary channel negotiated between the access point device and the site device.

[0196] Optionally, in an embodiment of the present disclosure, the first identification information is carried in a common info field of the first radio frame;

[0197] The bandwidth information includes one or more bandwidth values.

[0198] Optionally, in an embodiment of the present disclosure, the first radio frame includes second identification information, and the second identification information identifies that the type of the first radio frame is a setup frame for triggering switching to the auxiliary channel communication.

[0199] Optionally, in an embodiment of the present disclosure, the second identification information is carried in a user info field of the first radio frame;

[0200] The user info field also includes parameter information of the auxiliary channel.

[0201] Optionally, in the embodiment of the present disclosure, the parameter information includes at least one of the following:

[0202] Channel identification information, spatial stream information, AID information of the site device, and MCS information.

[0203] Optionally, in an embodiment of the present disclosure, the first wireless frame includes a MU-RTS frame or a BSRP frame.

[0204] Optionally, in the embodiment of the present disclosure, the method further includes:

[0205] Step 404: Send a second radio frame to the access point device; wherein the second radio frame indicates that the station device is communicating on the auxiliary channel;

[0206] The second radio frame includes a CTS frame and / or a QoS null frame, and the QoS null frame carries a BSR field.

[0207] Optionally, in the embodiment of the present disclosure, the method further includes:

[0208] Step 406: Send a third radio frame to the access point device, where the third radio frame indicates that the station device has completed communication on the auxiliary channel.

[0209] The third radio frame includes a PS field; the station device and the access point device pre-negotiate a PS mode, and the PS field indicates that the station device enters the PS mode after switching to the primary channel.

[0210] Optionally, in the embodiment of the present disclosure, the method further includes:

[0211] Sending a data frame to the access point device through the EDCA mechanism on the primary channel, and / or sending a PS mode confirmation message frame to the access point device on the primary channel; wherein the communication duration of the site device on the auxiliary channel exceeds the NAV setting duration of the primary channel.

[0212] The communication method involved in the embodiments of the present disclosure may include at least one of the aforementioned steps and embodiments. For example, step 401 may be implemented as an independent embodiment, step 404 may be implemented as an independent embodiment, and step 406 may be implemented as an independent embodiment, but are not limited thereto.

[0213] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 4 .

[0214] The embodiments of the present disclosure further provide an apparatus for implementing any of the above methods. For example, an apparatus is provided, comprising units or modules for implementing each step performed by a terminal in any of the above methods. For another example, another apparatus is provided, comprising units or modules for implementing each step performed by a network device (e.g., an access network device, a core network function node, a core network device, etc.) in any of the above methods.

[0215] It should be understood that the division of the various units or modules in the above device is merely a division of logical functions. In actual implementation, they may be fully or partially integrated into a physical entity, or they may be physically separated. In addition, the units or modules in the device may be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory stores instructions. The processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all of the units or modules can be realized by designing the hardware circuits. The above-mentioned hardware circuits can be understood as one or more processors; for example, in one implementation, the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), which realizes the functions of some or all of the above units or modules by designing the logical relationship of the components in the circuit; for example, in another implementation, the above-mentioned hardware circuit can be realized by a programmable logic device (PLD). Taking a field programmable gate array (FPGA) as an example, it can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by configuring the configuration file, thereby realizing the functions of some or all of the above units or modules. All units or modules of the above devices can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part by the form of software called by the processor, and the rest by hardware circuits.

[0216] In the embodiment of the present disclosure, the processor is a circuit with signal processing capability. In one implementation, the processor can be a circuit with instruction reading and execution capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit, and the logical relationship of the above hardware circuit is fixed or reconfigurable, such as a hardware circuit implemented by a processor as an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and implementing the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.

[0217] FIG5 is a schematic diagram of the structure of an access point device proposed in an embodiment of the present disclosure. As shown in FIG5 , the access point device 500 may include at least one of: a determination module 501 , a sending module 502 , and the like.

[0218] In some embodiments, the above-mentioned determination module 501 is used to determine a first wireless frame; wherein the first wireless frame is used to trigger the site device to switch to the auxiliary channel communication when the main channel is busy; the first wireless frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated by the access point device and the site device; the sending module 502 is used to send the first wireless frame on the auxiliary channel.

[0219] Optionally, the determining module 501 is configured to execute at least one of the communication steps (e.g., step 201 and step 301, but not limited thereto) executed by the access point device 102 in any of the above methods, which will not be described in detail herein. The sending module 502 is configured to execute steps 202 and 402, but not limited thereto.

[0220] FIG6 is a schematic diagram of the structure of a site device according to an embodiment of the present disclosure. As shown in FIG6 , the site device 600 may include: a first receiving module 601 .

[0221] In some embodiments, the above-mentioned first receiving module 601 is used to receive a first wireless frame on the auxiliary channel; wherein, the first wireless frame is used to trigger the site device to switch to the auxiliary channel communication when the main channel is busy; the first wireless frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated by the access point device and the site device.

[0222] Optionally, the first receiving module 601 is configured to execute at least one of the communication steps (eg, step 301 and step 401 , but not limited thereto) executed by the site device 101 in any of the above methods, which will not be described in detail here.

[0223] Figure 7 is a schematic diagram of the structure of a terminal 700 (e.g., user equipment) proposed in an embodiment of the present disclosure. Terminal 700 can be a chip, chip system, or processor that supports a network device implementing any of the above methods, or a chip, chip system, or processor that supports a terminal implementing any of the above methods. Terminal 700 can be used to implement the methods described in the above method embodiments. For details, please refer to the description of the above method embodiments.

[0224] As shown in Figure 7, terminal 700 includes one or more processors 701. Processor 701 can be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control communication devices (such as base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, etc.), execute programs, and process program data. Terminal 700 is used to perform any of the above methods.

[0225] In some embodiments, the terminal 700 further includes one or more memories 702 for storing instructions. Optionally, all or part of the memories 702 may be located outside the terminal 700.

[0226] In some embodiments, the terminal 700 further includes one or more transceivers 704. When the terminal 700 includes one or more transceivers 704, the transceiver 704 performs at least one of the communication steps such as sending and / or receiving in the above method (for example, step 202, step 203, step 204, step 205, step 206, step 207, step 302, step 305, step 307, step 401, step 404, step 406, but not limited thereto), and the processor 701 performs at least one of the other steps (for example, step 201, step 301, but not limited thereto).

[0227] In some embodiments, a transceiver may include a receiver and / or a transmitter. The receiver and transmitter may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, and transceiver circuit may be used interchangeably; the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be used interchangeably; and the terms receiver, receiving unit, receiver, and receiving circuit may be used interchangeably.

[0228] In some embodiments, terminal 700 may include one or more interface circuits 703. Optionally, interface circuit 703 is connected to memory 702. Interface circuit 703 may be configured to receive signals from memory 702 or other devices, and may be configured to send signals to memory 702 or other devices. For example, interface circuit 703 may read instructions stored in memory 702 and send the instructions to processor 701.

[0229] The terminal 700 described in the above embodiment may be a communication device such as a user device, but the scope of the terminal 700 described in the present disclosure is not limited thereto, and the structure of the terminal 700 may not be limited by FIG. 7 . The communication device may be an independent device or may be part of a larger device. For example, the communication device may be: (1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.

[0230] FIG8 is a schematic diagram of the structure of a chip 800 according to an embodiment of the present disclosure. If the terminal 700 can be a chip or a chip system, please refer to the schematic diagram of the structure of the chip 800 shown in FIG8 , but the present disclosure is not limited thereto.

[0231] The chip 800 includes one or more processors 801 , and the chip 800 is configured to execute any of the above methods.

[0232] In some embodiments, chip 800 further includes one or more circuits 803. Optionally, interface circuit 803 is connected to memory 802. Interface circuit 803 can be used to receive signals from memory 802 or other devices, and can be used to send signals to memory 802 or other devices. For example, interface circuit 803 can read instructions stored in memory 802 and send the instructions to processor 801.

[0233] In some embodiments, the interface circuit 803 executes at least one of the communication steps such as sending and / or receiving in the above method, such as step 202, step 203, step 204, step 205, step 206, step 207, step 302, step 305, step 307, step 401, step 404, step 406, but not limited to these, and the processor 801 executes at least one of the other steps (such as step 201, step 301, but not limited to these).

[0234] In some embodiments, terms such as interface circuit, interface, transceiver pin, and transceiver may be used interchangeably.

[0235] In some embodiments, the chip 800 further includes one or more memories 802 for storing instructions. Alternatively, all or part of the memory 802 may be external to the chip 800.

[0236] The present disclosure also provides a storage medium having instructions stored thereon. When the instructions are executed on the terminal 700, the terminal 700 executes any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited thereto and may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but is not limited thereto and may also be a transient storage medium.

[0237] The present disclosure also provides a program product, which, when executed by the terminal 700, enables the terminal 700 to perform any of the above methods. Optionally, the program product is a computer program product.

[0238] The present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to perform any one of the above methods.

Claims

1. A communication method, characterized in that: The method comprises: The access point device determines a first radio frame; wherein the first radio frame is used to trigger the site device to switch to the auxiliary channel communication when the primary channel is busy; the first radio frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated by the access point device and the site device; The first radio frame is sent on the auxiliary channel.

2. The communication method according to claim 1, characterized in that: The first identification information is carried in a common information field of the first radio frame; The bandwidth information includes one or more bandwidth values.

3. The communication method according to claim 1 or 2, characterized in that: The first radio frame includes second identification information, where the second identification information identifies that the type of the first radio frame is a setup frame for triggering switching to the auxiliary channel communication.

4. The communication method according to claim 3, characterized in that: The second identification information is carried in a user information user info field of the first radio frame; The user info field also includes parameter information of the auxiliary channel.

5. The communication method according to claim 4, characterized in that: The parameter information includes at least one of the following: Channel identification information, spatial stream information, association identifier AID information of the site equipment, and modulation and coding strategy MCS information.

6. The communication method according to claim 1, characterized in that: The first radio frame includes a multi-user transmission request MU-RTS frame or a buffer status report polling BSRP frame.

7. The communication method according to claim 1, characterized in that: The method further comprises: Receiving a second radio frame sent by the site device; wherein the second radio frame identifies that the site device communicates on the auxiliary channel; The second radio frame includes a Clear to Send (CTS) frame and / or a QoS null frame, and the QoS null frame carries a Buffer Status Report (BSR) field.

8. The communication method according to claim 1, characterized in that: The method further comprises: receiving a third radio frame sent by the station device, wherein the third radio frame indicates that the station device has completed communication on the auxiliary channel; The third radio frame includes a power saving PS field; the site device pre-negotiates a PS mode with the access point device, and the PS field indicates that the site device enters the PS mode after switching to the primary channel.

9. The communication method according to claim 1, characterized in that: The method further comprises: Receive on the main channel: data frames sent by the site device through the enhanced distributed channel access EDCA mechanism, and / or PS mode confirmation message frames sent by the site device; wherein the communication duration of the site device on the auxiliary channel exceeds the network allocation vector NAV setting duration of the main channel.

10. A communication method, characterized in that: The method comprises: The site device receives a first wireless frame on an auxiliary channel; wherein the first wireless frame is used to trigger the site device to switch to the auxiliary channel for communication when the main channel is busy; the first wireless frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated by the access point device and the site device.

11. The communication method according to claim 10, characterized in that: The first identification information is carried in a common info field of the first radio frame; The bandwidth information includes one or more bandwidth values.

12. The communication method according to claim 10 or 11, characterized in that: The first radio frame includes second identification information, where the second identification information identifies that the type of the first radio frame is a setup frame for triggering switching to the auxiliary channel communication.

13. The communication method according to claim 12, characterized in that: The second identification information is carried in a user info field of the first radio frame; The user info field also includes parameter information of the auxiliary channel.

14. The communication method according to claim 13, characterized in that: The parameter information includes at least one of the following: Channel identification information, spatial stream information, AID information of the site equipment, and MCS information.

15. The communication method according to claim 10, characterized in that: The first radio frame includes a MU-RTS frame or a BSRP frame.

16. The communication method according to claim 10, characterized in that: The method further comprises: Sending a second wireless frame to the access point device; wherein the second wireless frame identifies that the station device communicates on the auxiliary channel; The second wireless frame includes a CTS frame and / or a QoS null frame, and the QoS null frame carries a BSR field.

17. The communication method according to claim 10, characterized in that: The method further comprises: Sending a third radio frame to the access point device, wherein the third radio frame indicates that the station device has completed communication on the auxiliary channel; The third wireless frame includes a PS field; the site device pre-negotiates a PS mode with the access point device, and the PS field indicates that the site device enters the PS mode after switching to the primary channel.

18. The communication method according to claim 10, characterized in that: The method further comprises: Sending a data frame to the access point device through the EDCA mechanism on the main channel, and / or sending a PS mode confirmation message frame to the access point device on the main channel; wherein the communication duration of the site device on the auxiliary channel exceeds the NAV setting duration of the main channel.

19. An access point device, characterized in that: The access point device comprises: A determination module, configured to determine a first wireless frame; wherein the first wireless frame is used to trigger the site device to switch to the auxiliary channel for communication when the primary channel is busy; the first wireless frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated between the access point device and the site device; A sending module is used to send the first wireless frame on the auxiliary channel.

20. A site device, characterized in that: The site equipment includes: A first receiving module is used to receive a first wireless frame on an auxiliary channel; wherein the first wireless frame is used to trigger the site device to switch to the auxiliary channel for communication when the main channel is busy; the first wireless frame includes first identification information, and the first identification information identifies the bandwidth information of the auxiliary channel negotiated by the access point device and the site device.

21. A communication device, characterized in that: include: one or more processors; The communication device is used to execute the communication method described in any one of claims 1 to 9 or 10 to 18.

22. A storage medium storing instructions, characterized in that: When the instruction is executed on a communication device, the communication device is caused to execute the communication method according to any one of claims 1 to 9, or execute the communication method according to any one of claims 10 to 18.

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