Communication methods, communication devices and communication system

Abstract

Embodiments of the present disclosure relate to communication methods, communication devices, and a communication system. A communication method comprises: a multi-connection station device non-AP MLD determines a first radio frame, the first radio frame identifying information of an in-device coexistence activity of an affiliated multi-connection station device non-AP STA of the non-AP MLD, wherein the in-device coexistence activity comprises communication services of other wireless communication media; and sending the first radio frame, so that on the basis of the information of the in-device coexistence activity of the affiliated multi-connection station device, the multi-connection station device and a multi-connection access point device subsequently avoid interference generated by the in-device coexistence activity.

Description

Communication method, communication equipment and communication system Technical Field

[0001] The present disclosure relates to the field of communication technology, and in particular to a communication method, communication equipment, and communication system. Background Art

[0002] In wireless local area networks, in-device coexistence (IDC) occurs when multiple wireless communication media operate simultaneously within the same device. These media can interfere with each other, leading to low transmission efficiency, packet loss, and even communication interruption. Therefore, further improvements are needed to improve the exchange and management of IDC information within multi-connected devices to enhance data transmission reliability.

[0003] Summary of the Invention

[0004] The embodiments of the present disclosure provide a communication method, a communication device, and a communication system to further improve the interaction and management of coexistence activity information within a device and enhance the reliability of data transmission.

[0005] In one aspect, an embodiment of the present disclosure provides a communication method, applied to a multi-connection site device, the method comprising:

[0006] The multi-connection station device non-AP MLD determines a first radio frame, where the first radio frame identifies information about an in-device coexistence activity of a non-AP STA affiliated with the non-AP MLD; wherein the in-device coexistence activity includes communication services of other wireless communication media;

[0007] The first radio frame is sent.

[0008] On the other hand, an embodiment of the present disclosure further provides a communication method, applied to a multi-connection access point device, the method comprising:

[0009] A multi-connection access point device AP MLD receives a first wireless frame, where the first wireless frame identifies information about in-device coexistence activities of a subordinate multi-connection station device non-AP STA of the multi-connection station device non-AP MLD; wherein the in-device coexistence activities include communication services of other wireless communication media.

[0010] On the other hand, an embodiment of the present disclosure further provides a communication device, wherein the communication device is a multi-connection site device, and the multi-connection site device includes:

[0011] a determining module, configured to determine a first radio frame, wherein the first radio frame identifies information of an in-device coexistence activity of a non-AP STA affiliated with the non-AP MLD; wherein the in-device coexistence activity includes communication services of other wireless communication media;

[0012] A sending module is used to send the first wireless frame.

[0013] On the other hand, an embodiment of the present disclosure further provides a communication device, wherein the communication device is a multi-connection access point device, and the multi-connection access point device includes:

[0014] A receiving module is configured to receive a first wireless frame, wherein the first wireless frame identifies information about an in-device coexistence activity of a subordinate multi-connection station device non-AP STA of a multi-connection station device non-AP MLD; wherein the in-device coexistence activity includes communication services of other wireless communication media.

[0015] On the other hand, an embodiment of the present disclosure further provides a communication device, wherein the communication device is a multi-connection site device, including:

[0016] one or more processors;

[0017] The multi-connection site device is used to execute the communication method described in the embodiment of the present disclosure.

[0018] On the other hand, an embodiment of the present disclosure further provides a communication device, wherein the communication device is a multi-connection access point device, including:

[0019] one or more processors;

[0020] The multi-connection access point device is used to implement the communication method described in the embodiment of the present disclosure.

[0021] An embodiment of the present disclosure further provides a communication system, including a multi-connection site device and a multi-connection access point device; wherein the multi-connection site device is configured to implement the communication method described in the embodiment of the present disclosure, and the multi-connection access point device is configured to implement the communication method described in the embodiment of the present disclosure.

[0022] The 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 as described in the embodiment of the present disclosure.

[0023] In an embodiment of the present disclosure, a multi-connection site device non-AP MLD determines a first wireless frame, where the first wireless frame identifies information about in-device coexistence activities of a subordinate multi-connection site device non-AP STA of the non-AP MLD; wherein the in-device coexistence activities include communication services of other wireless communication media; and sending the first wireless frame enables the multi-connection site device and the multi-connection access point device to subsequently avoid interference caused by the in-device coexistence activities based on the information about the in-device coexistence activities of the subordinate multi-connection site device.

[0024] 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

[0025] 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.

[0026] FIG1 is an exemplary schematic diagram of the architecture of a communication system provided according to an embodiment of the present disclosure;

[0027] FIG2 is one of exemplary interaction diagrams of a method provided according to an embodiment of the present disclosure;

[0028] FIG3 is a second exemplary interaction diagram of a method provided according to an embodiment of the present disclosure;

[0029] FIG4 is a third exemplary interaction diagram of a method provided according to an embodiment of the present disclosure;

[0030] FIG5 is a fourth exemplary interaction diagram of a method provided according to an embodiment of the present disclosure;

[0031] FIG6 is a fifth exemplary interaction diagram of a method provided according to an embodiment of the present disclosure;

[0032] FIG7 is a flow chart of a communication method according to an embodiment of the present disclosure;

[0033] FIG8 is a second flow chart of the communication method provided in an embodiment of the present disclosure;

[0034] FIG9 is a schematic structural diagram of a multi-connection site device proposed in an embodiment of the present disclosure;

[0035] FIG10 is a schematic structural diagram of a multi-connection access point device proposed in an embodiment of the present disclosure;

[0036] FIG11 is a schematic structural diagram of a terminal proposed in an embodiment of the present disclosure;

[0037] FIG12 is a schematic diagram of the structure of a chip proposed in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0038] The embodiments of the present disclosure provide a communication method, a communication device, and a communication system.

[0039] In a first aspect, an embodiment of the present disclosure provides a communication method, the method comprising:

[0040] The multi-connection station device non-AP MLD determines a first radio frame, where the first radio frame identifies information about an in-device coexistence activity of a non-AP STA affiliated with the non-AP MLD; wherein the in-device coexistence activity includes communication services of other wireless communication media;

[0041] The first radio frame is sent.

[0042] In the above embodiment, after the non-AP MLD and the AP MLD are associated, the non-AP MLD sends the information about the intra-device coexistence activity of the first STA to the AP MLD via the first wireless frame, so that the AP MLD is informed of the information about the intra-device coexistence activity of the first STA. This avoids the situation where the first AP associated with the first STA continues to send data frames to the first STA when the first STA has communication services to be transmitted via other wireless communication media, thereby wasting signaling resources, reducing system throughput, increasing communication latency, and hindering the transmission of communication services.

[0043] In conjunction with some embodiments of the first aspect, in some embodiments, the first radio frame includes at least one of the following:

[0044] First identification information, indicating whether the non-AP STA has in-device coexistence activity;

[0045] The second identification information identifies the working link of the non-AP STA in which the in-device coexistence activity occurs.

[0046] In the above embodiment, the non-AP MLD carries the second identification information in the first radio frame, so that the AP MLD can understand the working link status of the attached multi-link site device with intra-device coexistence activity based on the second identification information and make corresponding optimization adjustments.

[0047] In combination with some embodiments of the first aspect, in some embodiments, when the first identification information is set to a first parameter value, it indicates that the non-AP STA has an in-device coexistence activity;

[0048] The first radio frame further includes: third identification information;

[0049] The third identification information identifies the in-device coexistence activity information of the non-AP STA where the in-device coexistence activity occurs.

[0050] In the above embodiment, the third identification information is used to provide detailed information about the first STA's in-device coexistence activities, including but not limited to the Wi-Fi communication status, frequency band used, and signal strength. This allows the AP MLD to obtain more detailed in-device coexistence information about the first STA and adjust operating parameters accordingly.

[0051] In conjunction with some embodiments of the first aspect, in some embodiments, the third identification information includes at least one first subfield;

[0052] The first subfield includes at least one of the following:

[0053] A first identification field, identifying a single device coexistence activity in the non-AP STA;

[0054] A second identification field, identifying the duration of the coexistence activity within the single device;

[0055] A third identification field, identifying a center frequency of the coexistence activity within the single device;

[0056] The fourth identification field identifies the bandwidth of the coexistence activity within the single device.

[0057] In the above embodiment, the first subfield is used to identify the intra-device coexistence activity, duration, center frequency, and bandwidth of the first STA, which helps the AP MLD understand the intra-device coexistence activity information of the first STA and adjust the operating parameters based on this information.

[0058] In combination with some embodiments of the first aspect, in some embodiments, the first radio frame includes a multi-link Multi-Link element, and the first identification information and / or the second identification information is carried in a station device control STA Control field of the Multi-Link element;

[0059] The STA Control field includes at least one of the following:

[0060] Link ID field, which identifies the link where the non-AP STA coexists within the device.

[0061] The In-Device Activities Information Present flag indicates whether the non-AP STA has an in-device coexistence activity.

[0062] In the above embodiment, the non-AP MLD carries the first identification information and / or the second identification information via the Multi-Link element of the first radio frame. Based on the first identification information and / or the second identification information, the AP MLD determines whether the non-AP STA has in-device coexistence activity and the working link status of the non-AP STA with in-device coexistence activity, so as to make corresponding optimization adjustments.

[0063] In combination with some embodiments of the first aspect, in some embodiments, the Multi-Link element further includes a site device information STA Info field, and the third identification information is carried in the device coexistence activity information In-Device Activities Information field of the STA Info field, and the In-Device Activities Information field includes at least one of the first subfields.

[0064] In the above embodiment, the STA Info field is used to carry the in-device coexistence activity information about the first STA having the in-device coexistence activity, and the In-Device Activities Information field is used to carry detailed information about a single in-device coexistence activity.

[0065] In conjunction with some embodiments of the first aspect, in some embodiments, the first radio frame includes at least one of an Association Request frame, a Reassociation Request frame, and a Link Reconfiguration Notify frame;

[0066] The first radio frame includes an Association Request frame or a Reassociation Request frame, and the Association Request frame or the Reassociation Request frame includes a Basic Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Basic Multi-Link element, and the third identification information is carried in the STA Info field of the Basic Multi-Link element;

[0067] The first wireless frame includes a Link Reconfiguration Notify frame, and the Link Reconfiguration Notify frame includes a Reconfiguration Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Reconfiguration Multi-Link element, and the third identification information is carried in the STA Info field of the Reconfiguration Multi-Link element.

[0068] In the above embodiment, when the non-AP MLD makes an association request or a reassociation request, it reports information about the first STA's in-device coexistence activities to the AP MLD. For example, when requesting to establish a connection with the AP MLD, the non-AP MLD sends an Association Request frame or a Reassociation Request frame. The Association Request frame or Reassociation Request frame carries information about the first STA's in-device coexistence activities, enabling the AP MLD to understand the first STA's current in-device coexistence activities based on the first radio frame. This allows the AP MLD to make adjustments based on the in-device coexistence activity information, improving transmission reliability.

[0069] In the above embodiment, after the non-AP MLD establishes a connection with the AP MLD, it reports the first STA's intra-device coexistence activity information to the AP MLD through multi-link reconfiguration. For example, after successfully establishing a connection with the AP MLD, the non-AP MLD uses multi-link reconfiguration to send the intra-device coexistence activity information to the AP MLD in a Link Reconfiguration Notif frame, allowing the AP MLD to understand the first STA's current intra-device coexistence activity status. This allows the AP MLD to make adjustments based on the intra-device coexistence activity information, improving transmission reliability.

[0070] In combination with some embodiments of the first aspect, in some embodiments, the first radio frame includes a Link Reconfiguration Notify frame, and the first radio frame further includes: fourth identification information, the fourth identification information identifying that the non-AP MLD has in-device coexistence activity;

[0071] The fourth identification information is carried in the Reconfiguration Operation Type field of the STA Control field of the Reconfiguration Multi-Link element.

[0072] In the above embodiment, different values ​​in the Reconfiguration Operation Type field represent different operation types. The parameter value is set to identify whether the first STA has an in-device coexistence activity.

[0073] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:

[0074] A second radio frame sent by a multi-connection access point device AP MLD is received; wherein the second radio frame identifies that after obtaining a transmission opportunity TXOP, the first access point device AP in the AP MLD shares the TXOP with the first station device STA associated with the first AP.

[0075] In the above embodiment, after receiving the first radio frame, the AP MLD determines the second radio frame, and the second radio frame indicates that after obtaining the TXOP, the first AP in the AP MLD shares the TXOP with the first STA associated with the first AP. By more efficiently allocating transmission opportunities in the network, wireless channel resources can be more fully utilized.

[0076] In combination with some embodiments of the first aspect, in some embodiments, if there is no in-device coexistence activity for the first STA, the allocation duration field in the user information User Info field of the second radio frame indicates that the first AP shares part of the TXOP with the first STA;

[0077] The resource unit allocation RU Allocation field in the User Info field of the second radio frame identifies: the RU for uplink transmission performed by the first STA after the first STA obtains the partial TXOP shared by the first AP.

[0078] In the above embodiment, by allocating part of the TXOP to the first STA and specifying the duration and resource units in the User Info field, more flexible and accurate wireless resource allocation is achieved, network efficiency and throughput are improved, and collisions and channel congestion are reduced.

[0079] In conjunction with some embodiments of the first aspect, in some embodiments, if the first STA has a first in-device coexistence activity, and the in-device coexistence activity occurs within a TXOP obtained by the first AP, the second radio frame includes:

[0080] The Allocation Duration field in the User Info field of the second radio frame indicates that: the TXOP shared by the first AP and the in-device coexistence activity duration of the first STA do not overlap in the time domain;

[0081] The Allocation Duration field in the User Info field of the second wireless frame indicates that the duration of the TXOP shared by the first AP and the coexistence activity in the first device may overlap in the time domain, and after the first STA identified by the RU Allocation field in the User Info field obtains the partial TXOP shared by the first AP, the RU performing uplink transmission does not overlap with the frequency range in which the coexistence activity occurs in the first device.

[0082] In the above embodiment, if the first radio frame identifies that the first STA has a first in-device coexistence activity, and the in-device coexistence activity occurs within the TXOP obtained by the first AP, then the Allocation Duration field in the User Info field of the second radio frame identifies a time period that does not overlap with the duration of the in-device coexistence activity of the first STA in the time domain, so as to avoid overlapping with the in-device coexistence activity of the first STA in the frequency domain.

[0083] In the above embodiment, if the TXOP shared by the first AP identified by the Allocation Duration field and the duration of the coexistence activity within the first ST multi-connection site device may overlap in the time domain, and after the first STA identified by the RU Allocation field in the User Info field obtains part of the TXOP shared by the first AP, the RU for uplink transmission does not overlap with the frequency range in which the coexistence activity occurs within the first ST multi-connection site device, so as to ensure that the first STA can use it exclusively within the TXOP time.

[0084] In conjunction with some embodiments of the first aspect, in some embodiments, the second radio frame further identifies:

[0085] After receiving the second radio frame, the first STA sends a clear-to-send (CTS) frame to the first AP using the RU identified by the second radio frame at an interval of a short frame interval (SIFS).

[0086] In the above embodiment, after receiving the second radio frame, the first STA sends a CTS frame to the first AP using the RU identified in the second radio frame after an SIFS interval to confirm that the first STA is ready to receive data frames.

[0087] In a second aspect, an embodiment of the present disclosure provides a communication method, the method comprising:

[0088] A multi-connection access point device AP MLD receives a first wireless frame, where the first wireless frame identifies information about in-device coexistence activities of a subordinate multi-connection station device non-AP STA of the multi-connection station device non-AP MLD; wherein the in-device coexistence activities include communication services of other wireless communication media.

[0089] In conjunction with some embodiments of the second aspect, in some embodiments, the first radio frame includes at least one of the following:

[0090] First identification information, indicating whether the non-AP STA has in-device coexistence activity;

[0091] The second identification information identifies the working link of the non-AP STA in which the in-device coexistence activity occurs.

[0092] In conjunction with some embodiments of the second aspect, in some embodiments, when the first identification information is set to a first parameter value, it indicates that the non-AP STA has in-device coexistence activity;

[0093] The first radio frame further includes: third identification information;

[0094] The third identification information identifies the in-device coexistence activity information of the non-AP STA where the in-device coexistence activity occurs.

[0095] In conjunction with some embodiments of the second aspect, in some embodiments, the third identification information includes at least one first subfield;

[0096] The first subfield includes at least one of the following:

[0097] A first identification field, identifying a single device coexistence activity in the non-AP STA;

[0098] A second identification field, identifying the duration of the coexistence activity within the single device;

[0099] A third identification field, identifying a center frequency of the coexistence activity within the single device;

[0100] The fourth identification field identifies the bandwidth of the coexistence activity within the single device.

[0101] In combination with some embodiments of the second aspect, in some embodiments, the first radio frame includes a Multi-Link element, and the first identification information and / or the second identification information is carried in the STA Control field of the Multi-Link element;

[0102] The STA Control field includes at least one of the following:

[0103] The Link ID field identifies the link where the non-AP STA coexists within the device.

[0104] In-Device Activities Information Present flag, indicating whether the non-AP STA has in-device coexistence activities.

[0105] In combination with some embodiments of the second aspect, in some embodiments, the Multi-Link element further includes a STA Info field, the third identification information is carried in the In-Device Activities Information field of the STA Info field, and the In-Device Activities Information field includes at least one of the first subfields.

[0106] In conjunction with some embodiments of the second aspect, in some embodiments, the first radio frame includes at least one of an Association Request frame, a Reassociation Request frame, and a Link Reconfiguration Notify frame;

[0107] The first radio frame includes an Association Request frame or a Reassociation Request frame, and the Association Request frame or the Reassociation Request frame includes a Basic Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Basic Multi-Link element, and the third identification information is carried in the STA Info field of the Basic Multi-Link element;

[0108] The first wireless frame includes a Link Reconfiguration Notify frame, and the Link Reconfiguration Notify frame includes a Reconfiguration Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Reconfiguration Multi-Link element, and the third identification information is carried in the STA Info field of the Reconfiguration Multi-Link element.

[0109] In conjunction with some embodiments of the second aspect, in some embodiments, the first radio frame includes a Link Reconfiguration Notify frame, and the first radio frame further includes: fourth identification information, the fourth identification information identifying that the non-AP MLD has in-device coexistence activity;

[0110] The fourth identification information is carried in the Reconfiguration Operation Type field of the STA Control field of the Reconfiguration Multi-Link element.

[0111] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes:

[0112] Determine a second radio frame; wherein the second radio frame identifies that after obtaining the TXOP, the first AP in the AP MLD shares the TXOP with the first STA associated with the first AP;

[0113] The second radio frame is sent.

[0114] In conjunction with some embodiments of the second aspect, in some embodiments, if there is no in-device coexistence activity for the first STA, the Allocation Duration field in the User Info field of the second radio frame indicates that the first AP shares part of the TXOP with the first STA;

[0115] The RU Allocation field in the User Info field of the second radio frame identifies: the RU for uplink transmission by the first STA after the first STA obtains the partial TXOP shared by the first AP.

[0116] In conjunction with some embodiments of the second aspect, in some embodiments, if the first STA has a first in-device coexistence activity, and the in-device coexistence activity occurs within a TXOP obtained by the first AP, the second radio frame includes:

[0117] The Allocation Duration field in the User Info field of the second radio frame indicates that: the TXOP shared by the first AP and the in-device coexistence activity duration of the first STA do not overlap in the time domain;

[0118] The Allocation Duration field in the User Info field of the second wireless frame indicates that the duration of the TXOP shared by the first AP and the coexistence activity in the first device may overlap in the time domain, and after the first STA identified by the RU Allocation field in the User Info field obtains the partial TXOP shared by the first AP, the RU performing uplink transmission does not overlap with the frequency range in which the coexistence activity occurs in the first device.

[0119] In conjunction with some embodiments of the second aspect, in some embodiments, the second radio frame further identifies:

[0120] After receiving the second radio frame, the first STA sends a CTS frame to the first AP using the RU identified by the second radio frame at an interval of a short frame interval SIFS.

[0121] In a third aspect, an embodiment of the present disclosure further provides a communication device, which is a multi-connection site device, and the multi-connection site device includes at least one of a determination module and a sending module; wherein the multi-connection site device is used to execute the optional implementation method of the first aspect.

[0122] In a fourth aspect, an embodiment of the present disclosure further provides a communication device, which is a multi-connection access point device, comprising: a first receiving module; wherein the multi-connection access point device is used to execute the optional implementation of the second aspect.

[0123] In a fifth aspect, an embodiment of the present disclosure further provides a communication device, wherein the communication device is a multi-connection site device, including:

[0124] one or more processors;

[0125] The multi-connection site device is used to execute the optional implementation of the first aspect.

[0126] In a sixth aspect, an embodiment of the present disclosure further provides a communication device, wherein the communication device is a multi-connection access point device, including:

[0127] one or more processors;

[0128] The multi-connection access point device is used to perform an optional implementation of the second aspect.

[0129] In the seventh aspect, an embodiment of the present disclosure further provides a communication system, comprising a multi-connection site device and a multi-connection access point device; wherein the multi-connection site device is configured to perform the optional implementation method described in the first aspect, and the multi-connection access point device is configured as the optional implementation method described in the second aspect.

[0130] 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.

[0131] 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.

[0132] 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.

[0133] 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.

[0134] It is understandable that the aforementioned multi-connection site device, multi-connection access point device, communication system, storage medium, program product, computer program, chip, or chip system is used to perform the method 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 method and will not be repeated here.

[0135] The embodiments of the present disclosure provide a communication method, a communication device, and a communication system. In some embodiments, the terms communication method, signal transmission method, wireless frame transmission method, etc. can be used interchangeably, and the terms information processing system, communication system, etc. can be used interchangeably.

[0136] 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.

[0137] 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.

[0138] 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.

[0139] In the embodiments of the present disclosure, “plurality” refers to two or more.

[0140] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," etc. may be used interchangeably.

[0141] 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.

[0142] 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.

[0143] 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.

[0144] 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.

[0145] 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.

[0146] 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.

[0147] 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.

[0148] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

[0149] In some embodiments, data, information, etc. may be obtained with the user's consent.

[0150] 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.

[0151] FIG1 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.

[0152] As shown in Figure 1, a communication system 100 includes a non-Access Point Multi-Link Device (non-AP MLD) 101, an Access Point Multi-Link Device (AP MLD) 102, a first Station (STA) 103, and a first Access Point (AP) 104. The first Station 103 is a subsidiary multi-link device of the multi-link device, and there may be one or more of the first Station 103. The first Access Point 104 is a subsidiary multi-link Access Point device of the multi-link Access Point device, and there may also be one or more of the first Access Point 104. This is not limited in the present embodiment.

[0153] In some embodiments, the multi-connection site device 101 and the first site device 103 include, for example, a wireless communication chip, a wireless sensor, or a wireless communication terminal that supports WiFi communication. Optionally, the wireless communication terminal may be, for example, 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, or a wireless terminal device used in a smart home, but is not limited thereto.

[0154] Specifically, the multi-connection site device 101 and the first site device 103 may be a terminal device or network device with a wireless fidelity (WiFi) chip. Optionally, the multi-connection site device 101 and the first site device 103 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 are not limited thereto.

[0155] In some embodiments, the multi-connection access point device 102 and the first access point device 104 can be access points for mobile terminals to enter the wired network. The AP is equivalent to a bridge connecting the wired network and the 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 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.

[0156] 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-connection 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.

[0157] 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.

[0158] The following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or a portion thereof, but are not limited thereto. The entities shown in FIG1 are illustrative only. The communication system may include all or part of the entities shown in FIG1 , or may include other entities outside of FIG1 . The number and form of the entities are arbitrary, and the entities may be physical or virtual. The connection relationships between the entities are illustrative only. The entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.

[0159] 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.

[0160] FIG2 is an interactive diagram of a communication method according to an embodiment of the present disclosure. As shown in FIG2 , the method includes:

[0161] In step 201, a multi-connection station device non-AP MLD101 determines a first radio frame, where the first radio frame identifies information about in-device coexistence activities of a non-AP STA affiliated with the non-AP MLD101; wherein the in-device coexistence activities include communication services of other wireless communication media.

[0162] With the development of wireless communication technology, the integration of terminal devices is getting higher and higher. Terminal devices often support multiple wireless communication media at the same time and integrate multiple wireless communication modules, and can access multiple wireless networks at the same time, such as WLAN, Bluetooth (Blue Tooth, BT) technology, New Radio (New Radio, NR) technology, Long Term Evolution (Long Term Evolution, LTE) technology, Global Navigation Satellite System (Global Navigation Satellite System, GNSS) technology or one or more. However, this high degree of integration also brings about the problem of communication interference between different communication systems. When the communication frequency bands of different communication systems are adjacent, the transmission operation of one system may interfere with the reception operation of another system.

[0163] Taking the example of Wi-Fi being adjacent to the Long Term Evolution Wide Band 40 (LTW Band 40) and Long Term Evolution Band 7 (LTE Band 7), when their frequency components fall within the operating bands of adjacent channels, adjacent channel communication interference will occur. In addition, when multiple wireless communication modules exist at the same time, the physical spacing between their radio frequency (RF) modules is usually small, so when they work at the same time, they will interfere with each other, affecting the transmission and reception of each communication module. For example, Wi-Fi and BT usually operate in the 2.4GHz frequency band, and due to factors such as device miniaturization and cost, they share the same antenna in many communication devices. Therefore, when Wi-Fi communication is carried out between a single node or multiple nodes, the communication services of other communication media will interfere with the current Wi-Fi communication of the device, resulting in low transmission efficiency, data packet loss, and even communication interruption.

[0164] In an embodiment of the present disclosure, a non-AP MLD identifies, through a first radio frame, information on in-device coexistence (IDC) activities of a non-AP STA (hereinafter referred to as a first STA) attached to the non-AP MLD, wherein the in-device coexistence activities include communication services of other wireless communication media. The first STA may be one or more multi-connected station devices attached to the non-AP MLD; the other wireless communication media include one or more of Bluetooth, NR, LTE, and GNSS; the information on the in-device coexistence activities includes one or more of the duration of the in-device coexistence activities, the center frequency of the in-device coexistence activities, and the bandwidth of the in-device coexistence activities; for example, the first radio frame carries one or more parameter information of the duration of the in-device coexistence activities, the center frequency of the in-device coexistence activities, and the bandwidth of the in-device coexistence activities of at least one first STA.

[0165] Specifically, when a first STA affiliated with a non-AP MLD is performing Wi-Fi communication, communication services of other communication media may affect the Wi-Fi communication services. For example, when the first STA is in in-device coexistence activity, communication services of other communication media may interfere with the Wi-Fi communication services of the first STA and its associated access point device.

[0166] In the embodiment of the present disclosure, after the non-AP MLD and the AP MLD are associated, the non-AP MLD sends the information of the first STA's in-device coexistence activity to the AP MLD via the first wireless frame, so that the AP MLD learns the information of the first STA's in-device coexistence activity; and avoids the situation where the first STA has other wireless communication media that need to transmit communication services, and the first AP associated with the first STA still sends data frames to the first STA, resulting in a waste of signaling resources, thereby reducing the system throughput, increasing the communication delay, and being detrimental to the transmission of communication services. The non-AP MLD of the embodiment of the present disclosure reports its existing in-device coexistence activities to its associated AP MLD, which not only effectively avoids interference between communication devices caused by in-device coexistence activities, thereby causing data packet loss and waste of communication resources, but also avoids the method of performing information exchange of in-device coexistence activities under each link. In this way, the signaling overhead is reduced and the information synchronization of the AP MLD is facilitated.

[0167] Step 202: non-AP MLD 101 sends the first wireless frame.

[0168] In this disclosed embodiment, a non-AP MLD sends a first radio frame to an AP MLD, identifying, via the first radio frame, information about an in-device coexistence activity of a first STA of the non-AP MLD; the in-device coexistence activity includes communication services on other wireless communication media. As shown in Figure 1 , if the first STA is experiencing in-device coexistence activity, the non-AP MLD identifies, via the first radio frame, information about the in-device coexistence activity of the first STA.

[0169] Step 203: AP MLD 102 receives the first radio frame.

[0170] In an embodiment of the present disclosure, an AP MLD receives a first radio frame sent by a non-AP MLD, wherein the first radio frame identifies information about an in-device coexistence activity of a first STA of the non-AP MLD, wherein the in-device coexistence activity includes communication services of other wireless communication media.

[0171] In some embodiments, the first radio frame includes at least one of the following:

[0172] The first identification information indicates whether the first STA has an in-device coexistence activity. For example, when the parameter value of the first identification information is set to "1", it indicates that the first STA has an in-device coexistence activity; when the parameter value of the first identification information is set to "0", it indicates that the first STA does not have an in-device coexistence activity.

[0173] The second identification information identifies the working link of the first STA with in-device coexistence activity. For example, if the working link parameter of the first STA with in-device coexistence activity is "Wi-Fi 2.4 GHz band," the second identification information is used to identify the working link parameter. The non-AP MLD carries the second identification information in the first radio frame, allowing the AP MLD to understand the working link status of the affiliated multi-link station device with in-device coexistence activity based on the second identification information and make corresponding optimization adjustments.

[0174] In some embodiments, when the first identification information is set to a first parameter value, it indicates that the first STA has an in-device coexistence activity;

[0175] The first radio frame further includes: third identification information;

[0176] The third identification information identifies in-device coexistence activity information of the first STA in which the in-device coexistence activity occurs.

[0177] For example, when the parameter value of the first identification information is set to "1," it indicates that the first STA is experiencing in-device coexistence activity. In this case, the first radio frame also includes third identification information, which provides detailed information about the first STA's in-device coexistence activity, including but not limited to the Wi-Fi communication status, frequency band used, and signal strength. This allows the AP MLD to obtain more detailed in-device coexistence activity information about the first STA and adjust operating parameters accordingly.

[0178] In some embodiments, the third identification information includes at least one first subfield;

[0179] The first subfield includes at least one of the following:

[0180] A first identification field, identifying a single device coexistence activity in the first STA;

[0181] A second identification field, identifying the duration of the coexistence activity within the single device;

[0182] A third identification field, identifying a center frequency of the coexistence activity within the single device;

[0183] The fourth identification field identifies the bandwidth of the coexistence activity within the single device.

[0184] The first subfield is used to identify the intra-device coexistence activity, duration, center frequency, and bandwidth of the first STA, which helps the AP MLD understand the intra-device coexistence activity information of the first STA and adjust the operating parameters based on this information.

[0185] In some embodiments, the first radio frame includes a multi-link Multi-Link element, and the first identification information and / or the second identification information is carried in a STA Control field of the Multi-Link element;

[0186] The STA Control field includes at least one of the following:

[0187] The link identifier Link ID field identifies the link where the first STA in which the intra-device coexistence activity occurs is located; for example, the link where the first STA in which the intra-device coexistence activity occurs is identified by the value of the Link ID field, that is, the specific first STA in which the intra-device coexistence activity occurs is identified by the value of the Link ID field.

[0188] The In-Device Activities Information Present flag indicates whether the non-AP STA has in-device coexistence activities. For example, if the In-Device Activities Information Present flag is set to "1," it indicates that the link identified by the second identification information corresponds to the first STA, and if the In-Device Activities Information Present flag is set to "0," it indicates that the link identified by the second identification information corresponds to the first STA, and no in-device coexistence activities occur.

[0189] In some embodiments, the Multi-Link element further includes a site device information STA Info field, the third identification information is carried in the in-device coexistence activity information In-Device Activities Information field of the STA Info field, and the In-Device Activities Information field includes at least one of the first subfields.

[0190] The STA Info field is used to carry in-device coexistence activity information about the first STA with in-device coexistence activity, and the In-Device Activities Information field is used to carry detailed information about a single in-device coexistence activity.

[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 201 may be implemented as an independent embodiment, and step 202 may be implemented as an independent embodiment; the combination of step 201 and step 202 may be implemented as an independent embodiment, and the combination of step 202 and step 203 may be implemented as an independent embodiment, but the present invention 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. 2 .

[0193] As an example, referring to FIG3 , FIG3 shows an optional implementation of the embodiment of the present disclosure, including the following steps:

[0194] In step 301 , the non-AP MLD 101 determines a first radio frame, where the first radio frame identifies information about an in-device coexistence activity of a non-AP STA of the non-AP MLD 101 . The in-device coexistence activity includes communication services of other wireless communication media.

[0195] In some embodiments, a non-AP MLD identifies, via a first radio frame, information about in-device coexistence activities of a first STA of the non-AP MLD; wherein the in-device coexistence activities include communication services on other wireless communication media. In the disclosed embodiments, by carrying the in-device coexistence activity information of the first STA in an association request frame or a reassociation request frame, the AP MLD subsequently enables efficient and timely interaction and management of in-device coexistence activity information between multiple connected devices based on the in-device coexistence activity information of the first STA, thereby avoiding mutual interference between communication services on multiple wireless communication media within the device and improving transmission reliability and efficiency.

[0196] In step 302 , the non-AP MLD 101 sends the first radio frame, where the first radio frame includes at least one of an Association Request frame and a Reassociation Request frame.

[0197] In some embodiments, when making an association request or a reassociation request, the non-AP MLD reports the information of the first STA's in-device coexistence activity to the AP MLD. For example, when requesting to establish a connection with the AP MLD, the non-AP MLD sends an Association Request frame or a Reassociation Request frame; the Association Request frame or the Reassociation Request frame carries the information of the first STA's in-device coexistence activity, so that the AP MLD can understand the current in-device coexistence activity status of the first STA based on the first wireless frame. In this way, the AP MLD can make corresponding adjustments based on the information of the in-device coexistence activity to improve the reliability of transmission. The information of the first STA's in-device coexistence activity can be monitored by the non-AP MLD or actively reported by the first STA, which is not limited here.

[0198] Step 303: AP MLD 102 receives the first radio frame.

[0199] In an embodiment of the present disclosure, an AP MLD receives an Association Request frame or a Reassociation Request frame sent by a non-AP MLD. The Association Request frame or the Reassociation Request frame identifies information about an in-device coexistence activity of a first STA of the non-AP MLD. The in-device coexistence activity includes communication services of other wireless communication media.

[0200] The Association Request frame or the Reassociation Request frame includes a Basic Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Basic Multi-Link element, and the third identification information is carried in the STA Info field of the Basic Multi-Link element.

[0201] 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, and step 302 may be implemented as an independent embodiment; the combination of step 301 and step 302 may be implemented as an independent embodiment, and the combination of step 302 and step 303 may be implemented as an independent embodiment, but the present invention is not limited thereto.

[0202] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 3 .

[0203] As an example, referring to FIG4 , FIG4 shows an optional implementation of the embodiment of the present disclosure, including the following steps:

[0204] Step 401 : The non-AP MLD 101 determines a first radio frame, where the first radio frame identifies information about an in-device coexistence activity of a non-AP STA of the non-AP MLD 101 ; wherein the in-device coexistence activity includes communication services of other wireless communication media.

[0205] In some embodiments, a non-AP MLD identifies, via a first radio frame, information about in-device coexistence activities of a first STA of the non-AP MLD; the in-device coexistence activities include communication services on other wireless communication media. In this disclosed embodiment, by carrying the in-device coexistence activity information of the first STA in the first radio frame, the AP MLD subsequently uses the in-device coexistence activity information of the first STA to avoid mutual interference between communication services on multiple wireless communication media within the device, thereby improving transmission reliability and efficiency.

[0206] In step 402 , the non-AP MLD 101 sends the first radio frame, where the first radio frame includes a Link Reconfiguration Notify frame.

[0207] In some embodiments, after the non-AP MLD establishes a connection with the AP MLD, the non-AP MLD reports the information of the in-device coexistence activity of the first STA to the AP MLD through multi-connection reconfiguration. For example, after the non-AP MLD successfully establishes a connection with the AP MLD, the non-AP MLD carries the information of the in-device coexistence activity in a Link Reconfiguration Notif frame and sends it to the AP MLD through multi-connection reconfiguration, so that the AP MLD understands the current in-device coexistence activity status of the first STA. In this way, the AP MLD can make corresponding adjustments based on the information of the in-device coexistence activity to improve the reliability of transmission. The information of the in-device coexistence activity of the first STA can be detected by the non-AP MLD or actively reported by the first STA, which is not limited here.

[0208] Step 403: AP MLD 102 receives the first radio frame.

[0209] In the disclosed embodiment, after establishing a connection with a non-AP MLD, the AP MLD receives a Link Reconfiguration Notif frame from the non-AP MLD. The Link Reconfiguration Notif frame identifies information about an in-device coexistence activity of a first STA of the non-AP MLD, including communication services on other wireless communication media.

[0210] In some embodiments, the Link Reconfiguration Notify frame includes a Reconfiguration Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Reconfiguration Multi-Link element, and the structure of the STA Control field of the Reconfiguration Multi-Link element is shown in Table 1 below.

[0211] Table 1:

[0212] In some embodiments, if the first radio frame is a Link Reconfiguration Notify frame, the first identification information and the second identification information are carried in an In-Device Activities Information Present field of the STA Control field of the Reconfiguration Multi-Link element.

[0213] In some embodiments, the third identification information is carried in the STA Info field of the Reconfiguration Multi-Link element. The structure of the STA Info field of the Reconfiguration Multi-Link element is shown in Table 2 below.

[0214] Table 2:

[0215] In some embodiments, if the first radio frame is a Link Reconfiguration Notify frame, the third identification information is carried in an In-Device Activities Information field of the STA Info field of the Reconfiguration Multi-Link element.

[0216] In some embodiments, if the first radio frame is a Link Reconfiguration Notify frame, the first radio frame further includes: fourth identification information, the fourth identification information identifying that the non-AP STA has in-device coexistence activity;

[0217] The fourth identification information is carried in the Reconfiguration Operation Type field of the STA Control field of the Reconfiguration Multi-Link element. The Reconfiguration Operation Type field is shown in Table 3 below.

[0218] Table 3:

[0219] In some embodiments, in the Reconfiguration Operation Type field, different values ​​represent different operation types. Specifically, a value of "5" indicates that the first STA has in-device coexistence activity.

[0220] 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, and step 402 may be implemented as an independent embodiment; the combination of step 401 and step 402 may be implemented as an independent embodiment, and the combination of step 402 and step 403 may be implemented as an independent embodiment, but the present invention is not limited thereto.

[0221] In some embodiments, reference may be made to other optional implementations recorded before or after the description corresponding to FIG. 4 .

[0222] As an example, referring to FIG5 , FIG5 shows an optional implementation of the embodiment of the present disclosure, including the following steps:

[0223] In step 501 , the AP MLD 102 determines a second radio frame. The second radio frame indicates that after obtaining a transmission opportunity (TXOP), the first AP in the AP MLD 102 shares the TXOP with a first STA associated with the first AP.

[0224] In the embodiment of the present disclosure, after receiving the first radio frame, the AP MLD determines a second radio frame, and the second radio frame indicates that the first AP in the AP MLD shares the TXOP with the first STA associated with the first AP after obtaining the TXOP. Specifically, after obtaining the TXOP, the first AP may share part of the TXOP with its associated site device; however, in the case where it is unknown whether the first STA has in-device coexistence activities, the transmission time shared by the first AP may overlap with the transmission time of the in-device coexistence activities of the first STA. In particular, within the TXOP shared by the first AP, if the resource unit (RU) used for uplink transmission (UL) overlaps with the in-device coexistence activities of the first STA in the frequency domain, it may cause interference between multiple communications. Such interference may result in reduced transmission efficiency, packet loss, or even communication interruption.

[0225] In some embodiments, if the first radio frame indicates that there is no in-device coexistence activity for the first STA, the Allocation Duration field in the User Info field of the second radio frame indicates that the first AP shares part of the TXOP with the first STA; and the Resource Unit Allocation (RU Allocation) field in the User Info field of the second radio frame indicates that after the first STA obtains the part of the TXOP shared by the first AP, the first STA performs uplink transmission on the RU. For example, if the first radio frame indicates that there is no in-device coexistence activity for the first STA, the Allocation Duration field in the User Info field of the second radio frame is set to "50 microseconds", indicating that the first STA can use the part of the TXOP allocated to it by the first AP for communication in the next 50 microseconds; and the RU Allocation field in the User Info field of the second radio frame is set to "20", indicating that after the first STA obtains the part of the TXOP shared by the first AP, it uses RU 20 for uplink transmission. RU 20 is a specific frequency domain resource unit used for uplink data transmission of the first STA.

[0226] In some embodiments, if the first radio frame indicates that the first STA has a first in-device coexistence activity, and the in-device coexistence activity occurs within a TXOP obtained by the first AP, the second radio frame indicates at least one of the following cases 1 and 2:

[0227] Case 1: The Allocation Duration field in the User Info field of the second radio frame indicates that the TXOP shared by the first AP does not overlap with the duration of the in-device coexistence activity of the first STA in the time domain. Specifically, if the first radio frame indicates that the first STA has a first in-device coexistence activity, and the in-device coexistence activity occurs within the TXOP obtained by the first AP, then the Allocation Duration field in the User Info field of the second radio frame indicates the time period that does not overlap with the duration of the in-device coexistence activity of the first STA in the time domain. For example, the TXOP duration obtained by the first AP is 100 microseconds, and the in-device coexistence activity duration of the first STA is 80 microseconds, and it occurs within the TXOP time period obtained by the first AP, then the Allocation Duration field can identify the TXOP obtained except for the duration of the in-device coexistence activity of the first STA, so as to avoid overlapping with the in-device coexistence activity of the first STA in the frequency domain.

[0228] Case 2: The Allocation Duration field in the User Info field of the second radio frame indicates that the duration of the TXOP shared by the first AP and the coexistence activity within the first device may overlap in the time domain, and the RU of the first STA identified by the RU Allocation field in the User Info field after obtaining the partial TXOP shared by the first AP, which performs uplink transmission, does not overlap with the frequency range of the coexistence activity within the first device. Specifically, if the Allocation Duration field indicates that the duration of the TXOP shared by the first AP and the coexistence activity within the first STA device may overlap in the time domain, and the RU of the first STA identified by the RU Allocation field in the User Info field after obtaining the partial TXOP shared by the first AP, which performs uplink transmission, does not overlap with the frequency range of the coexistence activity within the first STA device: for example, the duration of the TXOP shared by the first AP is 50 microseconds, and the duration of the coexistence activity within the first STA device is also 50 microseconds, and these two time periods overlap in the time domain. This means that the first STA may coexist with other activities within the device during part of the TXOP time. In this case, after the first STA identified by the RU Allocation field obtains the TXOP, the RU used for uplink transmission does not overlap with the frequency range in which coexistence activities occur within the device. That is, the frequency range used by the first STA during the time period allocated to it by the TXOP does not conflict with other activities within the device. If the working bandwidth of the BSS where the AP and the STA are located is 80MHz, the third and fourth identification information indicates that the coexistence activities within the first STA device occur within the third 20MHz (Third lowest) bandwidth, the first AP can allocate the first 20MHz RU to the first STA in the TXOP, that is, the RU Allocation field value can be set to 61, so that the two will not overlap. In this case, the Allocation Duration can be set to 50 microseconds to ensure that the first STA can use it exclusively during the TXOP time.

[0229] Step 502: AP MLD 102 sends the second radio frame.

[0230] The AP MLD sends a second radio frame to the non-AP MLD. The second radio frame indicates that, after obtaining a TXOP, the first AP in the AP MLD shares the TXOP with the first STA associated with the first AP. Specifically, the first AP shares appropriate transmission opportunities and spectrum resources based on the in-device coexistence activity of the first STA associated with the first AP.

[0231] In some embodiments, the second radio frame includes a Multi-User Request to Send TXOP Sharing (MU-RTS TXS) trigger frame.

[0232] In step 503, non-AP MLD101 receives a second wireless frame sent by AP MLD102; after the first STA receives the second wireless frame, it sends a Clear to Send (CTS) frame to the first AP through the RU identified by the second wireless frame after a short interframe space (SIFS) interval.

[0233] In some embodiments, the first STA receives the second radio frame sent by the AP MLD while in a listening state; or there is forwarding or relaying between the non-AP MLD and the first STA. After receiving the second radio frame, the non-AP MLD forwards the second radio frame to the first STA associated with the first AP. In this case, the first STA can receive the second radio frame by forwarding or relaying.

[0234] In some embodiments, after receiving the second radio frame, the first STA sends a CTS frame to the first AP using the RU identified in the second radio frame after an SIFS interval to confirm that the first STA is ready to receive the data frame.

[0235] 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 501 may be implemented as an independent embodiment, step 502 may be implemented as an independent embodiment, and step 503 may be implemented as an independent embodiment; the combination of step 501 and step 502 may be implemented as an independent embodiment, and the combination of step 502 and step 503 may be implemented as an independent embodiment, but the present invention is not limited thereto.

[0236] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 5 .

[0237] Referring to FIG6 , as an optional implementation of the embodiment of the present disclosure, the aforementioned communication method further includes:

[0238] When making an association request or after association, a multi-connection access point device (non-AP MLD) reports the in-device coexistence activities of an attached non-AP STA to the multi-connection access point device (AP MLD) with which it intends to establish an association or has already established an association, through multi-connection reconfiguration. Furthermore, during the transmission opportunity sharing process, the APs attached to the AP MLD share appropriate transmission opportunities and spectrum resources based on the in-device coexistence activities of their associated non-AP STAs. The disclosed embodiments enable efficient and timely interaction and management of in-device coexistence activity information between multi-connection devices, avoid mutual interference among multiple communication activities within the device, and improve transmission reliability and efficiency.

[0239] Specifically, as shown in FIG6 , the method includes:

[0240] Step 601: The non-AP MLD sends a first radio frame to the AP MLD. The first radio frame includes but is not limited to in-device coexistence activity information of the non-AP MLD.

[0241] The in-device coexistence activity information of the non-AP MLD includes but is not limited to:

[0242] The first identification information indicates whether the affiliated non-AP STA has in-device coexistence activity; for example, if the first identification information is set to 1, it indicates that the affiliated non-AP STA has in-device coexistence activity; if the first identification information is set to 0, it indicates that the affiliated non-AP STA does not have in-device coexistence activity.

[0243] The second identification information identifies the link identifier where the subordinate STA corresponding to the intra-device coexistence activity is located.

[0244] In some embodiments, when the first identification information is set to 1, the first radio frame includes third identification information. The third identification information identifies in-device coexistence activity information of the attached non-AP STA corresponding to the second identification information link. The third identification information includes, but is not limited to, one or more first subfields, each of which includes one or more of the following:

[0245] A first identification field identifies a coexistence activity within a single device;

[0246] a second identification field, identifying a duration of the in-device coexistence activity identified by the first identification field;

[0247] a third identification field, identifying a center frequency at which the in-device coexistence activity identified by the first identification field occurs;

[0248] a fourth identification field, identifying a bandwidth in which the coexistence activity within the device identified by the first identification field occurs;

[0249] In some embodiments, the first identification information and the second identification information are carried in the STA Control field of the Multi-Link element. For example, the second identification information can be the Link ID field in the STA Control field, which is used to identify the Link ID of the device corresponding to the intra-device coexistence activity. That is, the specific subordinate non-AP STA where the intra-device coexistence activity occurs is identified by the value of the Link ID field. The first identification information is contained in the STA Control field of the Multi-Link element. For example, the STA Control field contains the first identification information In-Device Activities Information Present symbol. The In-Device Activities Information Present symbol is set to 1, indicating that the link identified by the second identification information corresponds to the subordinate non-AP STA that has intra-device coexistence activities; the In-Device Activities Information Present symbol is set to 0, indicating that the link identified by the second identification information corresponds to the subordinate non-AP STA that does not have intra-device coexistence activities.

[0250] In some embodiments, the third identification information may be carried in the STA Info field of the Multi-Link element. For example, the STA Info field includes the third identification information In-Device Activities Information field, and the In-Device Activities Information field includes one or more first subfields.

[0251] In some embodiments, the first radio frame may be one or more of an Association Request frame, a Reassociation Request frame, and a Link Reconfiguration Notify frame.

[0252] If the first radio frame is an Association Request frame or a Reassociation Request frame, the first identification information and the second identification information are carried in the STA Control field of the Basic Multi-Link element, and the third identification information is carried in the STA Info field of the Basic Multi-Link element.

[0253] If the first radio frame is a Link Reconfiguration Notify frame, the first identification information and the second identification information are carried in the STA Control field of the Reconfiguration Multi-Link element, and the third identification information is carried in the STA Info field of the Reconfiguration Multi-Link element. If the first radio frame is a Link Reconfiguration Notify frame, the first radio frame further includes a fourth identification field, where the fourth identification field is used to identify that the first radio frame is used to indicate that the non-AP MLD has in-device coexistence activity. The fourth identification information is carried in the Reconfiguration Operation Type field of the STA Control field of the Reconfiguration Multi-Link element.

[0254] In step 602, after obtaining the TXOP, the AP (first AP) affiliated with the AP MLD sends a second radio frame to its associated non-AP STA (first STA) affiliated with the non-AP MLD.

[0255] For example, in a MU-RTS TXS trigger frame, when sharing the TXOP with the first STA via the MU-RTS TXS trigger frame, the key parameter settings in the second radio frame include at least one of the following cases 1 and 2:

[0256] Case 1: If there is no in-device coexistence activity for the first STA, the Allocation Duration field in the User Info field of the MU-RTS TXS trigger frame is set to the AP sharing part of the obtained TXOP with the first STA; the RU Allocation field in the User Info field of the MU-RTS TXS trigger frame is set to the RU for UL transmission by the first STA after obtaining the part of the TXOP shared by the first AP;

[0257] In case 2, if the first STA has an in-device coexistence activity and the in-device coexistence activity (the first in-device coexistence activity) occurs within a TXOP obtained by the first AP, the first AP performs at least one of the following cases 3 to 4:

[0258] Case 3: The shared TXOP identified by the Allocation Duration field in the User Info field of the MU-RTS TXS trigger frame does not overlap with the duration of the coexistence activity in the first device in the time domain;

[0259] Case four: the shared TXOP identified by the Allocation Duration field in the User Info field of the MU-RTS TXS trigger frame may overlap with the duration of the coexistence activity in the first device in the time domain; but the RU performed by the first STA identified by the RU Allocation field in the User Info field of the MU-RTS TXS trigger frame for UL transmission after obtaining the partial TXOP shared by the first AP cannot overlap with the frequency range in which the coexistence activity occurs in the first device.

[0260] Step 603: After receiving the second radio frame, the first STA sends a CTS frame to the first AP using the RU identified by the second radio frame at an interval of a short frame interval SIFS.

[0261] The disclosed embodiments achieve efficient and timely interaction and management of intra-device coexistence activity information between multi-connected devices, effectively avoiding data packet loss and waste of communication resources caused by interference between network devices due to intra-device coexistence activities, and improving data transmission efficiency and reliability.

[0262] 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 601 may be implemented as an independent embodiment, step 602 may be implemented as an independent embodiment, and step 603 may be implemented as an independent embodiment; the combination of step 601 and step 602 may be implemented as an independent embodiment, and the combination of step 602 and step 603 may be implemented as an independent embodiment, but the present invention is not limited thereto.

[0263] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 6 .

[0264] FIG7 is a flowchart of a communication method according to an embodiment of the present disclosure.

[0265] As shown in FIG7 , the above method may be applied to a multi-connection site device 101, and the above method includes:

[0266] Step 701: A non-AP MLD determines a first radio frame, where the first radio frame identifies information about an in-device coexistence activity of a non-AP STA affiliated with the non-AP MLD; wherein the in-device coexistence activity includes communication services of other wireless communication media.

[0267] Step 702: Send the first wireless frame.

[0268] Optionally, in the embodiment of the present disclosure, the first radio frame includes at least one of the following:

[0269] First identification information, indicating whether the non-AP STA has in-device coexistence activity;

[0270] The second identification information identifies the working link of the non-AP STA in which the in-device coexistence activity occurs.

[0271] Optionally, in an embodiment of the present disclosure, when the first identification information is set to a first parameter value, it indicates that the non-AP STA has an in-device coexistence activity;

[0272] The first radio frame further includes: third identification information;

[0273] The third identification information identifies the in-device coexistence activity information of the non-AP STA where the in-device coexistence activity occurs.

[0274] Optionally, in the embodiment of the present disclosure, the third identification information includes at least one first subfield;

[0275] The first subfield includes at least one of the following:

[0276] A first identification field, identifying a single device coexistence activity in the non-AP STA;

[0277] A second identification field, identifying the duration of the coexistence activity within the single device;

[0278] A third identification field, identifying a center frequency of the coexistence activity within the single device;

[0279] The fourth identification field identifies the bandwidth of the coexistence activity within the single device.

[0280] Optionally, in an embodiment of the present disclosure, the first radio frame includes a multi-link Multi-Link element, and the first identification information and / or the second identification information is carried in a STA Control field of the Multi-Link element;

[0281] The STA Control field includes at least one of the following:

[0282] Link ID field, which identifies the link where the non-AP STA coexists within the device.

[0283] The In-Device Activities Information Present flag indicates whether the non-AP STA has an in-device coexistence activity.

[0284] Optionally, in an embodiment of the present disclosure, the Multi-Link element further includes a site device information STA Info field, and the third identification information is carried in the device coexistence activity information In-Device Activities Information field of the STA Info field, and the In-Device Activities Information field includes at least one of the first subfields.

[0285] Optionally, in the embodiment of the present disclosure, the first radio frame includes at least one of an Association Request frame, a Reassociation Request frame, and a Link Reconfiguration Notify frame;

[0286] The first radio frame includes an Association Request frame or a Reassociation Request frame, and the Association Request frame or the Reassociation Request frame includes a Basic Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Basic Multi-Link element, and the third identification information is carried in the STA Info field of the Basic Multi-Link element;

[0287] The first wireless frame includes a Link Reconfiguration Notify frame, and the Link Reconfiguration Notify frame includes a Reconfiguration Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Reconfiguration Multi-Link element, and the third identification information is carried in the STA Info field of the Reconfiguration Multi-Link element.

[0288] Optionally, in the embodiment of the present disclosure, the first radio frame includes a Link Reconfiguration Notify frame, and the first radio frame further includes: fourth identification information, the fourth identification information identifying that the non-AP MLD has an in-device coexistence activity;

[0289] The fourth identification information is carried in the Reconfiguration Operation Type field of the STA Control field of the Reconfiguration Multi-Link element.

[0290] Step 703: Receive a second radio frame sent by a multi-connection access point device AP MLD; wherein the second radio frame indicates that after obtaining a transmission opportunity TXOP, the first access point device AP in the AP MLD shares the TXOP with the first station device STA associated with the first AP.

[0291] Optionally, in an embodiment of the present disclosure, if there is no in-device coexistence activity for the first STA, the Allocation Duration field in the User Info field of the second radio frame indicates that the first AP shares part of the TXOP with the first STA;

[0292] The resource unit allocation RU Allocation field in the User Info field of the second radio frame identifies: the RU for uplink transmission performed by the first STA after the first STA obtains the partial TXOP shared by the first AP.

[0293] Optionally, in this embodiment of the present disclosure, if the first STA has a first in-device coexistence activity, and the in-device coexistence activity occurs within a TXOP obtained by the first AP, the second radio frame includes:

[0294] The Allocation Duration field in the User Info field of the second radio frame indicates that: the TXOP shared by the first AP and the in-device coexistence activity duration of the first STA do not overlap in the time domain;

[0295] The Allocation Duration field in the User Info field of the second wireless frame indicates that the duration of the TXOP shared by the first AP and the coexistence activity in the first device may overlap in the time domain, and after the first STA identified by the RU Allocation field in the User Info field obtains the partial TXOP shared by the first AP, the RU performing uplink transmission does not overlap with the frequency range in which the coexistence activity occurs in the first device.

[0296] Optionally, in the embodiment of the present disclosure, the second radio frame further identifies:

[0297] After receiving the second radio frame, the first STA sends a clear-to-send (CTS) frame to the first AP using the RU identified by the second radio frame at an interval of a short frame interval (SIFS).

[0298] 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 701 may be implemented as an independent embodiment, step 702 may be implemented as an independent embodiment, and step 703 may be implemented as an independent embodiment; the combination of step 701 and step 702 may be implemented as an independent embodiment, and the combination of step 702 and step 703 may be implemented as an independent embodiment, but the present invention is not limited thereto.

[0299] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 7 .

[0300] FIG8 is a second flow chart of a communication method according to an embodiment of the present disclosure.

[0301] As shown in FIG8 , the above method may be applied to a multi-connection access point device 102, and the above method includes:

[0302] Step 801: A multi-connection access point device AP MLD receives a first radio frame, where the first radio frame identifies information about in-device coexistence activities of a subordinate multi-connection station device non-AP STA of a multi-connection station device non-AP MLD; wherein the in-device coexistence activities include communication services of other wireless communication media.

[0303] Optionally, in the embodiment of the present disclosure, the first radio frame includes at least one of the following:

[0304] First identification information, indicating whether the non-AP STA has in-device coexistence activity;

[0305] The second identification information identifies the working link of the non-AP STA in which the in-device coexistence activity occurs.

[0306] Optionally, in an embodiment of the present disclosure, when the first identification information is set to a first parameter value, it indicates that the non-AP STA has an in-device coexistence activity;

[0307] The first radio frame further includes: third identification information;

[0308] The third identification information identifies the in-device coexistence activity information of the non-AP STA where the in-device coexistence activity occurs.

[0309] Optionally, in the embodiment of the present disclosure, the third identification information includes at least one first subfield;

[0310] The first subfield includes at least one of the following:

[0311] A first identification field, identifying a single device coexistence activity in the non-AP STA;

[0312] A second identification field, identifying the duration of the coexistence activity within the single device;

[0313] A third identification field, identifying a center frequency of the coexistence activity within the single device;

[0314] The fourth identification field identifies the bandwidth of the coexistence activity within the single device.

[0315] Optionally, in this embodiment of the present disclosure, the first radio frame includes a Multi-Link element, and the first identification information and / or the second identification information is carried in a STA Control field of the Multi-Link element;

[0316] The STA Control field includes at least one of the following:

[0317] The Link ID field identifies the link where the non-AP STA coexists within the device.

[0318] In-Device Activities Information Present flag, indicating whether the non-AP STA has in-device coexistence activities.

[0319] Optionally, in an embodiment of the present disclosure, the Multi-Link element further includes a STA Info field, the third identification information is carried in an In-Device Activities Information field of the STA Info field, and the In-Device Activities Information field includes at least one of the first subfields.

[0320] Optionally, in the embodiment of the present disclosure, the first radio frame includes at least one of an Association Request frame, a Reassociation Request frame, and a Link Reconfiguration Notify frame;

[0321] The first radio frame includes an Association Request frame or a Reassociation Request frame, and the Association Request frame or the Reassociation Request frame includes a Basic Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Basic Multi-Link element, and the third identification information is carried in the STA Info field of the Basic Multi-Link element;

[0322] The first wireless frame includes a Link Reconfiguration Notify frame, and the Link Reconfiguration Notify frame includes a Reconfiguration Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Reconfiguration Multi-Link element, and the third identification information is carried in the STA Info field of the Reconfiguration Multi-Link element.

[0323] Optionally, in the embodiment of the present disclosure, the first radio frame includes a Link Reconfiguration Notify frame, and the first radio frame further includes: fourth identification information, the fourth identification information identifying that the non-AP MLD has an in-device coexistence activity;

[0324] The fourth identification information is carried in the Reconfiguration Operation Type field of the STA Control field of the Reconfiguration Multi-Link element.

[0325] Step 802: Determine a second radio frame; wherein the second radio frame indicates that the first AP in the AP MLD shares the TXOP with the first STA associated with the first AP after obtaining the TXOP;

[0326] Step 803: Send the second wireless frame.

[0327] Optionally, in an embodiment of the present disclosure, if there is no in-device coexistence activity for the first STA, the Allocation Duration field in the User Info field of the second radio frame indicates that the first AP shares part of the TXOP with the first STA;

[0328] The RU Allocation field in the User Info field of the second radio frame identifies: the RU for uplink transmission by the first STA after the first STA obtains the partial TXOP shared by the first AP.

[0329] Optionally, in this embodiment of the present disclosure, if the first STA has a first in-device coexistence activity, and the in-device coexistence activity occurs within a TXOP obtained by the first AP, the second radio frame includes:

[0330] The Allocation Duration field in the User Info field of the second radio frame indicates that: the TXOP shared by the first AP and the in-device coexistence activity duration of the first STA do not overlap in the time domain;

[0331] The Allocation Duration field in the User Info field of the second wireless frame indicates that the duration of the TXOP shared by the first AP and the coexistence activity in the first device may overlap in the time domain, and after the first STA identified by the RU Allocation field in the User Info field obtains the partial TXOP shared by the first AP, the RU performing uplink transmission does not overlap with the frequency range in which the coexistence activity occurs in the first device.

[0332] Optionally, in the embodiment of the present disclosure, the second radio frame further identifies:

[0333] After receiving the second radio frame, the first STA sends a CTS frame to the first AP using the RU identified by the second radio frame at an interval of a short frame interval SIFS.

[0334] 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 801 may be implemented as an independent embodiment, step 802 may be implemented as an independent embodiment, and step 803 may be implemented as an independent embodiment; the combination of step 801 and step 802 may be implemented as an independent embodiment, and the combination of step 802 and step 803 may be implemented as an independent embodiment, but the present invention is not limited thereto.

[0335] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 8 .

[0336] 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.

[0337] 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.

[0338] 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.

[0339] FIG9 is a schematic diagram of the structure of a multi-connection site device according to an embodiment of the present disclosure. As shown in FIG9 , the multi-connection site device 900 may include at least one of a determining module 901 and a sending module 902 .

[0340] In some embodiments, the above-mentioned determination module 901 is used to determine a first wireless frame, where the first wireless frame identifies information about the in-device coexistence activity of the affiliated multi-connected station device non-AP STA of the non-AP MLD; wherein the in-device coexistence activity includes communication services of other wireless communication media; and the sending module 902 is used to send the first wireless frame.

[0341] Optionally, the determining module 901 is configured to execute at least one of the communication steps (e.g., step 201, step 301, step 401, step 601, and step 701, but not limited thereto) performed by the multi-connection site device 101 in any of the above methods, which are not described in detail here. The sending module 902 is configured to execute at least one of steps 202, step 302, step 402, step 602, and step 702.

[0342] FIG10 is a schematic diagram of the structure of a multi-connection access point device according to an embodiment of the present disclosure. As shown in FIG10 , the multi-connection access point device 1000 may include: a receiving module 1001 .

[0343] In some embodiments, the receiving module 1001 is configured to receive a first radio frame, where the first radio frame identifies information about an in-device coexistence activity of a subordinate multi-connection station device non-AP STA of a multi-connection station device non-AP MLD; wherein the in-device coexistence activity includes communication services of other wireless communication media.

[0344] Optionally, the receiving module 1001 is configured to execute at least one of the communication steps (eg, step 203, step 303, step 403, step 801, but not limited thereto) performed by the multi-connection access point device 102 in any of the above methods, which will not be described in detail here.

[0345] Figure 11 is a schematic diagram of the structure of a terminal 1100 (e.g., user equipment) proposed in an embodiment of the present disclosure. Terminal 1100 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 1100 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.

[0346] As shown in Figure 11, terminal 1100 includes one or more processors 1101. Processor 1101 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 1100 is used to perform any of the above methods.

[0347] In some embodiments, the terminal 1100 further includes one or more memories 1102 for storing instructions. Optionally, all or part of the memories 1102 may be located outside the terminal 1100.

[0348] In some embodiments, the terminal 1100 further includes one or more transceivers 1104. When the terminal 1100 includes one or more transceivers 1104, the transceiver 1104 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 302, step 303, step 402, step 403, step 502, step 503, step 601, step 602, step 603, step 702, step 703, step 801, and step 803, but not limited thereto), and the processor 1101 performs at least one of the other steps (for example, step 201, step 301, step 401, step 501, step 701, and step 802, but not limited thereto).

[0349] 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.

[0350] In some embodiments, terminal 1100 may include one or more interface circuits 1103. Optionally, interface circuit 1103 is connected to memory 1102. Interface circuit 1103 may be configured to receive signals from memory 1102 or other devices, and may be configured to send signals to memory 1102 or other devices. For example, interface circuit 1103 may read instructions stored in memory 1102 and send the instructions to processor 1101.

[0351] The terminal 1100 described in the above embodiment may be a communication device such as a user device, but the scope of the terminal 1100 described in the present disclosure is not limited thereto, and the structure of the terminal 1100 may not be limited by FIG. 11 . 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 or 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.

[0352] FIG12 is a schematic diagram of the structure of a chip 1200 according to an embodiment of the present disclosure. In the case where the terminal 1100 may be a chip or a chip system, reference may be made to the schematic diagram of the structure of the chip 1200 shown in FIG12 , but the present disclosure is not limited thereto.

[0353] The chip 1200 includes one or more processors 1201 , and the chip 1200 is configured to execute any of the above methods.

[0354] In some embodiments, chip 1200 further includes one or more 1203. Optionally, interface circuit 1203 is connected to memory 1202. Interface circuit 1203 can be used to receive signals from memory 1202 or other devices, and interface circuit 1203 can be used to send signals to memory 1202 or other devices. For example, interface circuit 1203 can read instructions stored in memory 1202 and send the instructions to processor 1201.

[0355] In some embodiments, the interface circuit 1203 executes at least one of the communication steps such as sending and / or receiving in the above method (for example, step 202, step 203, step 302, step 303, step 402, step 403, step 502, step 503, step 601, step 602, step 603, step 702, step 703, step 801, step 803, but not limited to these), and the processor 1201 executes at least one of the other steps (for example, step 201, step 301, step 401, step 501, step 701, step 802, but not limited to these).

[0356] In some embodiments, terms such as interface circuit, interface, transceiver pin, and transceiver may be used interchangeably.

[0357] In some embodiments, chip 1200 further includes one or more memories 1202 for storing instructions. Alternatively, all or part of memory 1202 may be external to chip 1200.

[0358] The present disclosure also provides a storage medium having instructions stored thereon. When the instructions are executed on the terminal 1100, the terminal 1100 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.

[0359] The present disclosure also provides a program product, which, when executed by the terminal 1100, enables the terminal 1100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0360] 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: include: The multi-connection station device non-AP MLD determines a first radio frame, where the first radio frame identifies information about an in-device coexistence activity of a non-AP STA affiliated with the non-AP MLD; wherein the in-device coexistence activity includes communication services of other wireless communication media; The first radio frame is sent.

2. The communication method according to claim 1, wherein: The first radio frame includes at least one of the following: First identification information, indicating whether the non-AP STA has in-device coexistence activity; The second identification information identifies the working link of the non-AP STA in which the in-device coexistence activity occurs.

3. The communication method according to claim 2, wherein: When the first identification information is set to the first parameter value, it indicates that the non-AP STA has an in-device coexistence activity; The first radio frame further includes: third identification information; The third identification information identifies the in-device coexistence activity information of the non-AP STA where the in-device coexistence activity occurs.

4. The communication method according to claim 3, wherein: The third identification information includes at least one first subfield; The first subfield includes at least one of the following: A first identification field, identifying a single device coexistence activity in the non-AP STA; A second identification field, identifying the duration of the coexistence activity within the single device; A third identification field, identifying a center frequency of the coexistence activity within the single device; The fourth identification field identifies the bandwidth of the coexistence activity within the single device.

5. The communication method according to claim 4, wherein: The first radio frame includes a multi-link Multi-Link element, and the first identification information and / or the second identification information is carried in a STA Control field of the Multi-Link element; The STA Control field includes at least one of the following: Link ID field, which identifies the link where the non-AP STA coexists within the device. The In-Device Activities Information Present flag indicates whether the non-AP STA has an in-device coexistence activity. The communication method according to claim 5 , wherein: The Multi-Link element also includes a station device information STA Info field, and the third identification information is carried in the device coexistence activity information In-Device Activities Information field of the STA Info field. The In-Device Activities Information field includes at least one of the first subfields.

7. The communication method according to claim 6, wherein: The first radio frame includes at least one of an Association Request frame, a Reassociation Request frame, and a Link Reconfiguration Notify frame; The first radio frame includes an Association Request frame or a Reassociation Request frame, and the Association Request frame or the Reassociation Request frame includes a Basic Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Basic Multi-Link element, and the third identification information is carried in the STAInfo field of the Basic Multi-Link element; The first wireless frame includes a Link Reconfiguration Notify frame, and the Link Reconfiguration Notify frame includes a Reconfiguration Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Reconfiguration Multi-Link element, and the third identification information is carried in the STA Info field of the Reconfiguration Multi-Link element.

8. The communication method according to claim 7, wherein: The first radio frame includes a Link Reconfiguration Notify frame, and the first radio frame further includes: fourth identification information, the fourth identification information identifying that the non-AP MLD has an in-device coexistence activity; The fourth identification information is carried in the reconfiguration operation of the STA Control field of the Reconfiguration Multi-Link element. Operation Type field in the Reconfiguration Operation Type domain.

9. The communication method according to claim 1, wherein: The method further comprises: A second radio frame sent by a multi-connection access point device AP MLD is received; wherein the second radio frame identifies that after obtaining a transmission opportunity TXOP, the first access point device AP in the AP MLD shares the TXOP with the first station device STA associated with the first AP.

10. The communication method according to claim 9, wherein: If no in-device coexistence activity occurs for the first STA, the Allocation Duration field in the User Info field of the second radio frame indicates that the first AP shares part of the TXOP with the first STA. The resource unit allocation RU Allocation field in the User Info field of the second radio frame identifies: the RU for uplink transmission performed by the first STA after the first STA obtains the partial TXOP shared by the first AP.

11. The communication method according to claim 9, wherein: If the first STA has a first in-device coexistence activity, and the in-device coexistence activity occurs within a TXOP obtained by the first AP, the second radio frame includes: The Allocation Duration field in the User Info field of the second radio frame indicates that: the TXOP shared by the first AP and the in-device coexistence activity duration of the first STA do not overlap in the time domain; The Allocation Duration field in the User Info field of the second wireless frame indicates that the duration of the TXOP shared by the first AP and the coexistence activity in the first device may overlap in the time domain, and after the first STA identified by the RU Allocation field in the UserInfo field obtains the partial TXOP shared by the first AP, the RU performing uplink transmission does not overlap with the frequency range in which the coexistence activity occurs in the first device.

12. The communication method according to claim 10 or 11, characterized in that: The second radio frame further identifies: After receiving the second radio frame, the first STA sends a clear-to-send (CTS) frame to the first AP using the RU identified by the second radio frame at an interval of a short frame interval (SIFS).

13. A communication method, characterized in that: include: A multi-connection access point device AP MLD receives a first wireless frame, where the first wireless frame identifies information about in-device coexistence activities of a subordinate multi-connection station device non-AP STA of the multi-connection station device non-AP MLD; wherein the in-device coexistence activities include communication services of other wireless communication media.

14. The communication method according to claim 13, wherein: The first radio frame includes at least one of the following: First identification information, indicating whether the non-AP STA has in-device coexistence activity; The second identification information identifies the working link of the non-AP STA in which the in-device coexistence activity occurs.

15. The communication method according to claim 14, wherein: When the first identification information is set to the first parameter value, it indicates that the non-AP STA has an in-device coexistence activity; The first radio frame further includes: third identification information; The third identification information identifies the in-device coexistence activity information of the non-AP STA where the in-device coexistence activity occurs.

16. The communication method according to claim 15, characterized in that: The third identification information includes at least one first subfield; The first subfield includes at least one of the following: A first identification field, identifying a single device coexistence activity in the non-AP STA; A second identification field, identifying the duration of the coexistence activity within the single device; A third identification field, identifying a center frequency of the coexistence activity within the single device; The fourth identification field identifies the bandwidth of the coexistence activity within the single device.

17. The communication method according to claim 16, wherein: The first radio frame includes a Multi-Link element, and the first identification information and / or the second identification information is carried in a STA Control field of the Multi-Link element; The STA Control field includes at least one of the following: The LinkID field identifies the link where the non-AP STA with intra-device coexistence activity is located. In-Device Activities Information Present flag, indicating whether the non-AP STA has in-device coexistence activities.

18. The communication method according to claim 17, wherein: The Multi-Link element further includes a STAInfo field, the third identification information is carried in an In-Device Activities Information field of the STAInfo field, and the In-Device Activities Information field includes at least one of the first subfields.

19. The communication method according to claim 18, characterized in that: The first radio frame includes at least one of an Association Request frame, a Reassociation Request frame, and a Link Reconfiguration Notify frame; The first radio frame includes an Association Request frame or a Reassociation Request frame, and the Association Request frame or the Reassociation Request frame includes a Basic Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Basic Multi-Link element, and the third identification information is carried in the STA Info field of the Basic Multi-Link element; The first wireless frame includes a Link Reconfiguration Notify frame, and the Link Reconfiguration Notify frame includes a Reconfiguration Multi-Link element; the first identification information and the second identification information are carried in the STA Control field of the Reconfiguration Multi-Link element, and the third identification information is carried in the STA Info field of the Reconfiguration Multi-Link element.

20. The communication method according to claim 19, wherein: The first radio frame includes a Link Reconfiguration Notify frame, and the first radio frame further includes: fourth identification information, the fourth identification information identifying that the non-AP MLD has an in-device coexistence activity; The fourth identification information is carried in the Reconfiguration Operation Type field of the STA Control field of the Reconfiguration Multi-Link element.

21. The communication method according to claim 13, wherein: The method further comprises: Determine a second radio frame; wherein the second radio frame identifies that after obtaining the TXOP, the first AP in the AP MLD shares the TXOP with the first STA associated with the first AP; The second radio frame is sent.

22. The communication method according to claim 21, wherein: If no in-device coexistence activity occurs for the first STA, the Allocation Duration field in the User Info field of the second radio frame indicates that the first AP shares part of the TXOP with the first STA. The RU Allocation field in the User Info field of the second radio frame identifies: the RU for uplink transmission by the first STA after the first STA obtains the partial TXOP shared by the first AP.

23. The communication method according to claim 21, wherein: If the first STA has a first in-device coexistence activity, and the in-device coexistence activity occurs within a TXOP obtained by the first AP, the second radio frame includes: The Allocation Duration field in the User Info field of the second radio frame indicates that: the TXOP shared by the first AP and the in-device coexistence activity duration of the first STA do not overlap in the time domain; The Allocation Duration field in the User Info field of the second wireless frame indicates that the duration of the TXOP shared by the first AP and the coexistence activity in the first device may overlap in the time domain, and after the first STA identified by the RU Allocation field in the User Info field obtains the partial TXOP shared by the first AP, the RU performing uplink transmission does not overlap with the frequency range in which the coexistence activity occurs in the first device.

24. The communication method according to claim 22 or 23, characterized in that: The second radio frame further identifies: After receiving the second radio frame, the first STA sends a CTS frame to the first AP using the RU identified by the second radio frame at an interval of a short frame interval SIFS.

25. A communication device, wherein the communication device is a multi-connection site device, characterized in that: The multi-connection site device comprises: a determining module configured to determine a first radio frame, wherein the first radio frame identifies information of an in-device coexistence activity of a non-AP STA affiliated with a non-AP MLD; wherein the in-device coexistence activity includes communication services of other wireless communication media; A sending module is used to send the first wireless frame.

26. A communication device, wherein the communication device is a multi-connection access point device, characterized in that: The multi-connection access point device includes: The receiving module is configured to receive a first wireless frame, wherein the first wireless frame identifies an attached multi-connection site device non-AP MLD. Information about in-device coexistence activities of a connected station device non-AP STA; wherein the in-device coexistence activities include communication services of other wireless communication media.

27. A communication device, characterized in that: include: one or more processors; The multi-connection site device is used to perform the communication method according to any one of claims 1 to 12, or The multi-connection access point device is used to execute the communication method according to any one of claims 13 to 24.

28. 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 12, or execute the communication method according to any one of claims 13 to 24.

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