WO2022160755A1

WO2022160755A1 - Method for searching peer terminal in tunneled direct link setup, terminal and medium

Info

Publication number: WO2022160755A1
Application number: PCT/CN2021/121203
Authority: WO
Inventors: 吴昊; 王鑫
Original assignee: 成都极米科技股份有限公司
Priority date: 2021-01-29
Filing date: 2021-09-28
Publication date: 2022-08-04
Also published as: CN112911728A; CN112911728B

Abstract

The present application relates to the field of wireless communications, and discloses a method for searching a peer terminal in tunneled direct link setup, a terminal and a medium. In the present application, parameters dot11EHTOptionImplemented and dot11MultilinkOptionImplemented are set locally, and ML Elements used to indicate multi-link parameters of a terminal are set in parameter TDLSDiscoveryRequest, frame TDLSDiscoveryRequest, parameter TDLSDiscoveryResponse, and frame TDLSDiscoveryResponse. In a process of direct connection discovery between terminals, by means of the implementation of the present application, signaling for fully discovering direct-connectable links is reduced, and the search time for discovering a direct-connectable link terminal is decreased; in addition, by means of discovery, information of a multi-link device is provided to help an initiator terminal to make a service-matching decision, thereby providing better user experience for a user.

Description

Method, terminal and medium for searching for peer terminal in tunnel direct link establishment

technical field

The present application relates to the field of wireless communication, and in particular, to a method, a terminal and a medium for searching for a peer terminal in the establishment of a tunnel direct link.

Background technique

In the 802.11 system, both the access device (AP STA) and the terminal (Non-AP STA) are internally deployed with the MAC layer and the PHY layer. The main functions of the MAC layer are channel management, connection management, quality of service management, and power control. And time synchronization, etc., the main functions of the PHY layer are modulation, coding and transmission.

Both the MAC layer and the PHY layer conceptually include management units called MAC layer management unit MLME (MAC sublayer management entity) and physical layer management unit PLME (PHY sublayer management entity) respectively. These units provide low-level management service interfaces through which low-level management functions can be invoked.

In order to provide correct MAC operation, each STA (including Non-AP STA and AP STA) has a high-level management unit, such as SME (station management entity, equipment management unit), SME represents the high-level management above the MAC layer A unit is a layer-independent unit that resides in a separate management plane.

Role of the SME: Typically, this unit is responsible for functions such as collecting layer-related status from the various layer management units (MLME and PLME), and similarly it sets layer-specific parameter values. SMEs typically perform such functions on behalf of general system management entities. Figure 1 describes the relationship between management units.

802.11be networking, also known as Extremely High Throughput (EHT) networking, is enhanced by a number of system features and mechanisms to achieve extremely high throughput. As the use of wireless local area networks (WLANs) continues to grow, it is increasingly important to provide wireless data services in many environments, such as homes, businesses, and hotspots. In particular, video traffic will continue to be the dominant traffic type in many WLAN deployments. The throughput requirements of these applications are evolving due to the advent of 4k and 8k video (20Gbps uncompressed rate). New high-throughput, low-latency applications such as virtual or augmented reality, gaming, remote offices, and cloud computing will proliferate (for example, real-time gaming with sub-5ms latency).

Given the high throughput and stringent real-time latency requirements of these applications, users expect higher throughput, higher reliability, less latency and jitter, and better power efficiency when supporting their applications over WLAN. Users expect improved integration with Time Sensitive Networking (TSN) to support applications over heterogeneous Ethernet and wireless LANs. 802.11be networks are designed to ensure WLAN competitiveness by further increasing overall throughput and reducing latency, while ensuring backward compatibility and coexistence with legacy technology standards. 802.11 compatible devices operating in the 2.4GHz, 5GHz and 6GHz bands.

SUMMARY OF THE INVENTION

In the traditional TDLS (Tunnel Direct Link Establishment) technology, direct data communication can be performed between terminals under the coordination of access devices. After the introduction of multi-link terminals and access devices, there can be more flexible ways for direct communication between terminals, for example, all links can be used for end-to-end communication to improve data transmission rates, such as high-definition Video projection, etc., can also perform end-to-end communication while still performing data transmission with the access device, such as online game projection. According to the above scenario, the present application provides a method, terminal and medium for TDLS of a multi-link terminal.

In a first aspect, an embodiment of the present application provides a method for searching for a peer terminal during tunnel direct link establishment, including:

When the local parameter dot11MultilinkOptionImplemented of the initiator terminal indicates that the initiator terminal supports the multilink operation capability or indicates that the initiator terminal supports the multilink operation capability and starts the operation, or, when the local parameter dot11EHTOptionImplemented of the initiator terminal indicates that the initiator terminal supports EHT system capability or indicates that the initiator terminal supports and enables the EHT system capability, and the local parameter dot11MultilinkOptionImplemented of the initiator terminal indicates that the initiator terminal supports the multi-link operation capability or indicates that the initiator terminal supports the multi-link operation capability and starts the operation , the upper management unit of the initiator terminal sends the MLME-TDLSDISCOVERY.request primitive to the lower management unit, the MLME-TDLSDISCOVERY.request primitive contains parameters DestinationAddress and TDLSDiscoveryRequest, the DestinationAddress parameter is used to indicate the address of the responder terminal, and the TDLSDiscoveryRequest parameter Used to indicate the TDLS discovery request parameter, the TDLSDiscoveryRequest parameter includes the parameter ML Elements1, and the ML Elements1 is used to indicate the multi-link parameter of the initiator terminal;

After receiving the MLME-TDLSDISCOVERY.request primitive, the low-level management unit of the initiator terminal sends a TDLS Discovery Request frame to the access device, and the TDLS Discovery Request frame includes the parameter ML Elements1;

The low-level management unit of the initiator terminal receives the TDLS Discovery Response frame sent by the access device or the responder terminal, and the TDLS Discovery Response frame includes the parameter ML Elements2, and the ML Elements2 is used to indicate the multi-link parameter of the responder terminal;

The low-level management unit of the initiator terminal sends the MLME-TDLSDISCOVERY.confirm primitive to the high-level management unit. The MLME-TDLSDISCOVERY.confirm primitive contains parameters TDLSPeerSTAAddress and TDLSDiscoveryResponse, TDLSPeerSTAAddress is set to the address of the responder terminal, and the TDLSDiscoveryResponse parameter is used to indicate TDLS finds response parameters, including parameter ML Elements2.

In a second aspect, an embodiment of the present application provides a method for searching for a peer terminal during tunnel direct link establishment, including:

The low-level management unit of the responder terminal receives the TDLS Discovery Request frame sent by the access device, and the TDLS Discovery Request frame includes the parameter ML Elements1, and the ML Elements1 is used to indicate the multi-link parameter of the initiator terminal;

The lower management unit of the responder terminal sends the MLME-TDLSDISCOVERY.indication primitive to the upper management unit. The MLME-TDLSDISCOVERY.indication primitive contains the parameters TDLSPeerSTAAddress and TDLSDiscoveryRequest. The TDLSPeerSTAAddress parameter is used to indicate the address of the initiator terminal, and the TDLSDiscoveryRequest parameter is used for In order to indicate the TDLS discovery request parameter, the TDLSDiscoveryRequest parameter includes the parameter ML Elements1;

When the responder terminal's local parameter dot11MultilinkOptionImplemented indicates that the responder terminal supports multilink operation capability or indicates that the responder terminal supports multilink operation capability and initiates the operation, or, when the responder terminal's local parameter dot11EHTOptionImplemented indicates that the responder terminal supports EHT system capability or indicates that the responder terminal supports and enables the EHT system capability, and the local parameter dot11MultilinkOptionImplemented of the responder terminal indicates that the responder terminal supports the multilink operation capability or indicates that the responder terminal supports the multilink operation capability and starts the operation , after the high-level management unit of the responder terminal receives the MLME-TDLSDISCOVERY.indication primitive, it sends the MLME-TDLSDISCOVERY.response primitive to the lower-level management unit, and the MLME-TDLSDISCOVERY.response primitive contains the parameters TDLSPeerSTAAddress and TDLSDiscoveryResponse, The TDLSDiscoveryResponse parameter is used to indicate the TDLS discovery response parameter, including the parameter ML Elements2, which is used to indicate the multi-link parameter of the responder terminal;

After receiving the MLME-TDLSDISCOVERY.response primitive, the low-level management unit of the responder terminal sends a TDLS Discovery Response frame to the access device or the initiator terminal, where the TDLS Discovery Response frame includes the parameter ML Elements2.

In a third aspect, an embodiment of the present application provides a terminal, where the terminal includes a high-level management unit and a low-level management unit, wherein,

The high-level management unit is used for when the local parameter dot11MultilinkOptionImplemented of the initiator terminal indicates that the initiator terminal supports the multilink operation capability or indicates that the initiator terminal supports the multilink operation capability and starts the operation, or, when the local parameter of the initiator terminal dot11EHTOptionImplemented indicates that the initiator terminal supports the EHT system capability or indicates that the initiator terminal supports and enables the EHT system capability, and the local parameter dot11MultilinkOptionImplemented of the initiator terminal indicates that the initiator terminal supports the multi-link operation capability or indicates that the initiator terminal supports the multi-link operation When this operation is enabled, send the MLME-TDLSDISCOVERY.request primitive to the lower management unit. The MLME-TDLSDISCOVERY.request primitive contains the parameters DestinationAddress and TDLSDiscoveryRequest. The DestinationAddress parameter is used to indicate the address of the responder terminal, and the TDLSDiscoveryRequest parameter is used for In order to indicate the TDLS discovery request parameter, the TDLSDiscoveryRequest parameter includes the parameter ML Elements1, and the ML Elements1 is used to indicate the multi-link parameter of the initiator terminal;

The low-level management unit is used to send a TDLS Discovery Request frame to the access device after receiving the MLME-TDLSDISCOVERY.request primitive, where the TDLS Discovery Request frame contains the parameter ML Elements1; the receiving access device or the responder terminal sends The TDLS Discovery Response frame, the TDLS Discovery Response frame includes the parameter ML Elements2, the ML Elements2 is used to indicate the multi-link parameters of the responder terminal; Send the MLME-TDLSDISCOVERY.confirm primitive to the high-level management unit, the MLME The -TDLSDISCOVERY.confirm primitive contains parameters TDLSPeerSTAAddress and TDLSDiscoveryResponse, TDLSPeerSTAAddress is set to the address of the responder terminal, and the TDLSDiscoveryResponse parameter is used to indicate the TDLS discovery response parameters, including the parameter ML Elements2.

In a fourth aspect, an embodiment of the present application provides a terminal, where the terminal includes a high-level management unit and a low-level management unit, wherein,

The lower layer management unit is used to receive the TDLS Discovery Request frame sent by the access device, the TDLS Discovery Request frame contains the parameter ML Elements1, and the ML Elements1 is used to indicate the multi-link parameter of the initiator terminal; Send MLME-TDLSDISCOVERY. The indication primitive is given to the upper management unit. The MLME-TDLSDISCOVERY.indication primitive includes the parameters TDLSPeerSTAAddress and TDLSDiscoveryRequest, the TDLSPeerSTAAddress parameter is used to indicate the address of the initiator terminal, and the TDLSDiscoveryRequest parameter is used to indicate the TDLS discovery request parameter. The TDLSDiscoveryRequest parameter includes Parameter ML Elements1; after receiving the MLME-TDLSDISCOVERY.response primitive, send a TDLS Discovery Response frame to the access device or the initiator terminal, and the TDLS Discovery Response frame contains the parameter ML Elements2;

The high-level management unit is used when the local parameter dot11MultilinkOptionImplemented of the responder terminal indicates that the responder terminal supports the multilink operation capability or indicates that the responder terminal supports the multilink operation capability and starts the operation, or, when the local parameter of the responder terminal dot11EHTOptionImplemented indicates that the responder terminal supports the EHT system capability or indicates that the responder terminal supports and enables the EHT system capability, and the local parameter dot11MultilinkOptionImplemented of the responder terminal indicates that the responder terminal supports the multilink operation capability or indicates that the responder terminal supports the multilink operation When the MLME-TDLSDISCOVERY.indication primitive is received, the MLME-TDLSDISCOVERY.response primitive is sent to the lower management unit, and the MLME-TDLSDISCOVERY.response primitive contains the parameters TDLSPeerSTAAddress and TDLSDiscoveryResponse, TDLSDiscoveryResponse The parameter is used to indicate the TDLS discovery response parameter, including the parameter ML Elements2, which is used to indicate the multi-link parameter of the responder terminal.

In a fifth aspect, an embodiment of the present application provides a terminal, characterized in that the terminal includes a processor and a memory, the memory stores at least one piece of program code, and the at least one piece of program code is loaded by the processor and executed. The method is executed to implement the method for searching for a peer terminal in the tunnel direct link establishment described in the first aspect or the second aspect.

In a sixth aspect, an embodiment of the present application provides a storage medium, where at least one piece of program code is stored in the storage medium, and the at least one piece of program code is loaded and executed by a processor to implement the first aspect or the second aspect. The method for searching for peer terminals in the tunnel direct link establishment described above.

It should be noted that the terminal according to the third aspect is configured to execute the method provided in the first aspect, the terminal described in the fourth aspect is configured to execute the method provided in the second aspect, and the terminal described in the fifth aspect and the storage medium described in the sixth aspect is used to execute the method provided in the first aspect or the second aspect, so the same beneficial effect as the method described in the first aspect or the second aspect can be achieved. Repeat them one by one.

In the process of direct connection discovery between terminals and terminals, through the implementation of the present application, the signaling for fully discovering directly connectable links is reduced, the search time for discovering directly linkable terminals is reduced, and multi-link devices are provided through discovery. information to help the initiator terminal make decisions that match the business and provide users with a better user experience.

Description of drawings

The present application will be described by way of example and with reference to the accompanying drawings, wherein:

1 is a schematic structural diagram of a management unit of a device in the prior art;

FIG. 2 is a schematic diagram of a method for searching for a peer terminal during tunnel direct link establishment according to an embodiment of the present application.

Detailed ways

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described The embodiments are only a part of the embodiments of the present application, but not all of the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present application. In addition, although the disclosures in this application are presented in terms of one or several exemplary examples, it should be understood that each aspect of these disclosures can also constitute a complete technical solution individually. The embodiments described below and features in the embodiments may be combined with each other without conflict.

In the embodiments of the present application, words such as "exemplarily" and "for example" are used to represent examples, illustrations or illustrations. Any embodiment or design described in this application as "exemplary" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of the word example is intended to present a concept in a concrete way.

Unless otherwise defined, technical or scientific terms used in this application shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. "First", "second" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish descriptions, and the meanings of corresponding terms may be the same or different. "Comprises" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things.

In the embodiments of the present application, both the terminal device and the access device include a low-level management unit and a high-level management unit, where the low-level management unit is a unit that manages and controls data transmission of the device, such as MLME and PLME, and the high-level management unit is The unit that manages the business or application of the device, such as the device management unit SME and the application management unit AME (application management entity).

It should be noted that the multi-link device includes multiple logical entities, each logical entity transmits data through a link, and each logical entity includes an independent data transceiver module. The traditional single-link device has only one logical entity and only one MAC address, while the multi-link device has one MAC address, and each logical entity belonging to the multi-link device has a MAC address, such as a multi-link device. If there are three logical entities running, there are four MAC addresses on this physical device, one is for a multi-link device, and each of the three logical entities has one MAC address. In this embodiment of the present application, a logical STA is a logical entity in a terminal.

In the tunnel direct link establishment, one terminal initiates the establishment of an end-to-end direct link with another terminal. The terminal that initiates the establishment of the direct link is called the initiator terminal, and the peer terminal that establishes the link is called the responder terminal.

FIG. 2 is a schematic diagram of a method for searching for a peer terminal during tunnel direct link establishment according to an embodiment of the present application. As shown in Figure 2, the method for searching for peer terminals during tunnel direct link establishment includes the following processes:

1. If the current terminal supports the EHT system capability and is enabled, set the parameter dot11EHTOptionImplemented locally and set its value to true. If the terminal supports the EHT system capability and is not enabled, set the parameter dot11EHTOptionImplemented locally and set its value to Set to false.

Or, if the current terminal supports the EHT capability, the parameter dot11EHTOptionImplemented is set locally and its value is set to true.

2. If the current terminal supports the EHT system capability and has the multi-link operation capability and starts this operation, that is, when dot11EHTOptionImplemented is true, the parameter dot11MultilinkOptionImplemented is set locally, and its value is set to true; if it has the multi-link operation capability and When this operation is turned off, the parameter dot11MultilinkOptionImplemented is set locally, and its value is set to false;

or,

If the current terminal supports the multilink operation capability, the parameter dot11MultilinkOptionImplemented is set locally, and its value is set to true.

3. The SME of the initiator terminal sends the MLME-TDLSDISCOVERY.request primitive to the MLME of the initiator terminal, which contains the following parameters:

DestinationAddress: The address of the responder terminal

TDLSDiscoveryRequest: TDLS discovery request parameters, including parameter examples shown in Table 1.

Table 1

Examples of ML Elements parameter settings are shown in Table 2.

Table 2

MLD common info

STA info 1

STA info n

MLD common info: indicates the multi-link common parameters of the terminal;

STA info 1-STA info n: a dedicated parameter indicating a single logical STA in the terminal, 1-n means that there can be one or more logical STAs, and the parameter n is determined by the number of logical STAs actually running on the terminal;

STA info 1-n parameters can be set as shown in Table 3.

table 3

Link ID

STA Capability

STA operation

Link ID: indicates the identifier of the link operated by the logical STA;

STA Capability: indicates the specific capability parameter of this logical STA;

STA operation: Indicates operation parameters specific to this logical STA.

Among them, the Link info setting example is shown in Table 4.

Table 4

4. After the MLME of the initiator terminal receives the MLME-TDLSDISCOVERY.request primitive, it sends a TDLS Discovery Request frame to the access device. Examples of parameters contained in the TDLS Discovery Request frame are shown in Table 5.

table 5

5. After receiving the TDLS Discovery Request frame, the access device sends the TDLS Discovery Request frame to the responder terminal according to the address indicated by the TDLS responder STA Address parameter in the Link info.

6. After the MLME of the responder terminal receives the TDLS Discovery Request frame, it sends the MLME-TDLSDISCOVERY.indication primitive to the SME of the responder terminal, which contains:

TDLSPeerSTAAddress: the address of the initiator terminal;

TDLSDiscoveryRequest: Set the same parameters as step 3.

7. After receiving the MLME-TDLSDISCOVERY.indication primitive, the SME of the responder terminal sends the MLME-TDLSDISCOVERY.response primitive to the MLME of the responder terminal, which contains:

TDLSPeerSTAAddress: the address of the initiator terminal;

TDLSDiscoveryResponse: TDLS discovery response parameters, including parameters as shown in Table 6.

Table 6

8. After the MLME of the responder terminal receives the MLME-TDLSDISCOVERY.response primitive, it sends a TDLS Discovery Response frame to the access device. The TDLS Discovery Response frame contains parameter examples as shown in Table 7.

Table 7

9. After receiving the TDLS Discovery Response frame, the access device sends the TDLS Discovery Response frame to the initiator terminal according to the address indicated by the TDLS initiator STA Address parameter in the Link info.

10. After the MLME of the initiator terminal receives the TDLS Discovery Response frame, it sends the MLME-TDLSDISCOVERY.confirm primitive to the SME of the initiator terminal, which contains:

TDLSPeerSTAAddress: set to the address of the responder terminal;

TDLSDiscoveryResponse: Same as step 7.

11. After the SME of the initiator terminal receives the MLME-TDLSDISCOVERY.confirm primitive, it decides whether to initiate a TDLS operation according to the information contained, and whether to initiate a single-link operation or a multi-link operation according to the current service type and the information contained in the primitive. link operation.

In some embodiments, in step 8, the TDLS Discovery Response frame can be directly sent to the initiator terminal, that is, modified as:

After the MLME of the responder terminal receives the MLME-TDLSSETUPRESPONSE.request primitive, it sends a TDLS Setup Response frame to the initiator terminal; then steps 10-11 follow.

An embodiment of the present application further provides a terminal, where the terminal includes a high-level management unit and a low-level management unit, wherein,

An embodiment of the present application further provides a terminal, where the terminal includes a processor and a memory, and at least one piece of program code is stored in the memory, and the at least one piece of program code is loaded and executed by the processor to implement the above embodiments The involved method for searching for peer terminals in tunnel direct link establishment.

An embodiment of the present application further provides a storage medium, where at least one piece of program code is stored in the storage medium, and the at least one piece of program code is loaded and executed by a processor, so as to implement the search in the tunnel direct link establishment involved in the foregoing embodiments method for peer-to-peer terminals.

It should be understood that, in various embodiments of the present application, the size of the sequence numbers of the above-mentioned processes does not imply the sequence of execution, some or all of the steps may be executed in parallel or sequentially, and the execution sequence of each process should be based on its functions and It is determined by the internal logic and should not constitute any limitation on the implementation process of the embodiments of the present application.

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. For example, the flowchart and block diagrams in the Figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more functions for implementing the specified logical function(s) executable instructions. It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It is also noted that each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented in dedicated hardware-based systems that perform the specified functions or actions , or can be implemented in a combination of dedicated hardware and computer instructions. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution. The computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, a network device or a terminal device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: U disk, removable hard disk, ROM, RAM) disk or optical disk and other media that can store program codes.

The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. As used in the embodiments of this application and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items. The character "/" in this article generally indicates that the related objects are an "or" relationship.

Depending on the context, the words "if" or "if" as used herein may be interpreted as "at" or "when" or "in response to determining" or "in response to detecting." Similarly, the phrases "if determined" or "if detected (the stated condition or event)" can be interpreted as "when determined" or "in response to determining" or "when detected (the stated condition or event)," depending on the context )" or "in response to detection (a stated condition or event)".

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

A method for searching for a peer terminal in the establishment of a tunnel direct link, comprising:

When the local parameter dot11MultilinkOptionImplemented of the initiator terminal indicates that the initiator terminal supports the multilink operation capability or indicates that the initiator terminal supports the multilink operation capability and starts the operation, or, when the local parameter dot11EHTOptionImplemented of the initiator terminal indicates that the initiator terminal supports EHT system capability or indicates that the initiator terminal supports and enables the EHT system capability, and the local parameter dot11MultilinkOptionImplemented of the initiator terminal indicates that the initiator terminal supports the multi-link operation capability or indicates that the initiator terminal supports the multi-link operation capability and starts the operation , the upper management unit of the initiator terminal sends the MLME-TDLSDISCOVERY.request primitive to the lower management unit, the MLME-TDLSDISCOVERY.request primitive contains parameters DestinationAddress and TDLSDiscoveryRequest, the DestinationAddress parameter is used to indicate the address of the responder terminal, and the TDLSDiscoveryRequest parameter Used to indicate the TDLS discovery request parameter, the TDLSDiscoveryRequest parameter includes the parameter ML Elements1, and the ML Elements1 is used to indicate the multi-link parameter of the initiator terminal;

After receiving the MLME-TDLSDISCOVERY.request primitive, the low-level management unit of the initiator terminal sends a TDLS Discovery Request frame to the access device, and the TDLS Discovery Request frame includes the parameter ML Elements1;

The low-level management unit of the initiator terminal receives the TDLS Discovery Response frame sent by the access device or the responder terminal, and the TDLS Discovery Response frame includes the parameter ML Elements2, and the ML Elements2 is used to indicate the multi-link parameter of the responder terminal;

The low-level management unit of the initiator terminal sends the MLME-TDLSDISCOVERY.confirm primitive to the high-level management unit. The MLME-TDLSDISCOVERY.confirm primitive contains parameters TDLSPeerSTAAddress and TDLSDiscoveryResponse, TDLSPeerSTAAddress is set to the address of the responder terminal, and the TDLSDiscoveryResponse parameter is used to indicate TDLS finds response parameters, including parameter ML Elements2.
The method for searching for a peer terminal in a tunnel direct link establishment according to claim 1, wherein the ML Elements1 includes parameters MLD common info1 and STA info i, and the MLD common info1 is used to indicate the initiator The multi-link public parameter of the terminal, the STA info i is used to indicate the dedicated parameter of a single logical STA in the initiator terminal, 1≤i≤n, and n is determined by the number of logical STAs actually running in the initiator terminal.
The method for searching for peer terminals in tunnel direct link establishment according to claim 2, wherein the STA info i includes parameters Link ID, STA Capability and STA operation, and the Link ID is used to indicate The identifier of the link operated by the logical STA, the STA Capability is used to indicate the logical STA-specific capability parameter, and the STA operation is used to indicate the logical STA-specific operation parameter.
The method for searching for peer terminals in tunnel direct link establishment according to claim 1, wherein the MLME-TDLSDISCOVERY.request primitive, the TDLS Discovery Request frame and the MLME-TDLSDISCOVERY.confirm primitive contain Contains the Link info parameter, the Link info is used to indicate the established link information, wherein the Link info includes the parameters TDLS initiator STA Address and TDLS responder STA Address, the TDLS initiator STA Address is used to indicate the address of the initiator terminal, the TDLS responder STA Address is used to indicate the address of the responder terminal.
The method for searching for peer terminals in tunnel direct link establishment according to any one of claims 1-4, further comprising:

After receiving the MLME-TDLSDISCOVERY.confirm primitive, the high-level management unit of the initiator terminal decides whether to initiate a TDLS operation according to the information contained in the MLME-TDLSDISCOVERY.confirm primitive, and according to the current service type and the MLME - The information contained in the TDLSDISCOVERY.confirm primitive decides whether to initiate a single-link operation or a multi-link operation.
The method for searching for peer terminals during tunnel direct link establishment according to any one of claims 1 to 4, wherein the high-level management unit is a device management unit SME or an application management unit AME, and the high-level management unit is a device management unit SME or an application management unit AME. The lower layer management unit is the MAC layer management unit MLME or the physical layer management unit PLME.
A method for searching for a peer terminal in the establishment of a tunnel direct link, comprising:

The low-level management unit of the responder terminal receives the TDLS Discovery Request frame sent by the access device, and the TDLS Discovery Request frame includes the parameter ML Elements1, and the ML Elements1 is used to indicate the multi-link parameter of the initiator terminal;

The lower management unit of the responder terminal sends the MLME-TDLSDISCOVERY.indication primitive to the upper management unit. The MLME-TDLSDISCOVERY.indication primitive contains the parameters TDLSPeerSTAAddress and TDLSDiscoveryRequest. The TDLSPeerSTAAddress parameter is used to indicate the address of the initiator terminal, and the TDLSDiscoveryRequest parameter is used for In order to indicate the TDLS discovery request parameter, the TDLSDiscoveryRequest parameter includes the parameter ML Elements1;

When the responder terminal's local parameter dot11MultilinkOptionImplemented indicates that the responder terminal supports multilink operation capability or indicates that the responder terminal supports multilink operation capability and initiates the operation, or, when the responder terminal's local parameter dot11EHTOptionImplemented indicates that the responder terminal supports EHT system capability or indicates that the responder terminal supports and enables the EHT system capability, and the local parameter dot11MultilinkOptionImplemented of the responder terminal indicates that the responder terminal supports the multilink operation capability or indicates that the responder terminal supports the multilink operation capability and starts the operation , after the high-level management unit of the responder terminal receives the MLME-TDLSDISCOVERY.indication primitive, it sends the MLME-TDLSDISCOVERY.response primitive to the lower-level management unit, and the MLME-TDLSDISCOVERY.response primitive contains the parameters TDLSPeerSTAAddress and TDLSDiscoveryResponse, The TDLSDiscoveryResponse parameter is used to indicate the TDLS discovery response parameter, including the parameter ML Elements2, which is used to indicate the multi-link parameter of the responder terminal;

After receiving the MLME-TDLSDISCOVERY.response primitive, the lower-level management unit of the responder terminal sends a TDLS Discovery Response frame to the access device or the initiator terminal, where the TDLS Discovery Response frame includes the parameter ML Elements2.
The method for searching for peer terminals in tunnel direct link establishment according to claim 7, wherein the ML Elements2 includes parameters MLD common info2 and STA info j, and the MLD common info2 is used to indicate the responder The multi-link public parameter of the terminal, the STA info j is used to indicate the specific parameter of a single logical STA in the responder terminal, 1≤j≤m, and m is determined by the number of logical STAs actually running in the responder terminal.
The method for searching for peer terminals in tunnel direct link establishment according to claim 8, wherein the STA info j includes parameters Link ID, STA Capability and STA operation, and the Link ID is used to indicate The identifier of the link operated by the logical STA, the STA Capability is used to indicate the logical STA-specific capability parameter, and the STA operation is used to indicate the logical STA-specific operation parameter.
The method for searching for peer terminals in tunnel direct link establishment according to claim 7, wherein the TDLS Discovery Request frame, MLME-TDLSDISCOVERY.indication primitive, MLME-TDLSDISCOVERY.response primitive and TDLS The Discovery Response frame includes the Link info parameter, which is used to indicate the established link information, wherein the Link info includes the parameters TDLS initiator STA Address and TDLS responder STA Address, and the TDLS initiator STA Address is used to indicate the initiator terminal address, the TDLS responder STA Address is used to indicate the address of the responder terminal.
The method for searching for peer terminals during tunnel direct link establishment according to any one of claims 7-10, wherein the high-level management unit is a device management unit SME or an application management unit AME, and the The lower layer management unit is the MAC layer management unit MLME or the physical layer management unit PLME.
A terminal, the terminal includes a high-level management unit and a low-level management unit, characterized in that:

The high-level management unit is used for when the local parameter dot11MultilinkOptionImplemented of the initiator terminal indicates that the initiator terminal supports the multilink operation capability or indicates that the initiator terminal supports the multilink operation capability and starts the operation, or when the local parameter of the initiator terminal dot11EHTOptionImplemented indicates that the initiator terminal supports the EHT system capability or indicates that the initiator terminal supports and enables the EHT system capability, and the local parameter dot11MultilinkOptionImplemented of the initiator terminal indicates that the initiator terminal supports the multi-link operation capability or indicates that the initiator terminal supports the multi-link operation When this operation is enabled, send the MLME-TDLSDISCOVERY.request primitive to the lower management unit. The MLME-TDLSDISCOVERY.request primitive contains the parameters DestinationAddress and TDLSDiscoveryRequest. The DestinationAddress parameter is used to indicate the address of the responder terminal, and the TDLSDiscoveryRequest parameter is used for In order to indicate the TDLS discovery request parameter, the TDLSDiscoveryRequest parameter includes the parameter ML Elements1, and the ML Elements1 is used to indicate the multi-link parameter of the initiator terminal;

The low-level management unit is used to send a TDLS Discovery Request frame to the access device after receiving the MLME-TDLSDISCOVERY.request primitive, where the TDLS Discovery Request frame contains the parameter ML Elements1; the receiving access device or the responder terminal sends The TDLS Discovery Response frame, the TDLS Discovery Response frame includes the parameter ML Elements2, the ML Elements2 is used to indicate the multi-link parameters of the responder terminal; Send the MLME-TDLSDISCOVERY.confirm primitive to the high-level management unit, the MLME The -TDLSDISCOVERY.confirm primitive contains parameters TDLSPeerSTAAddress and TDLSDiscoveryResponse, TDLSPeerSTAAddress is set to the address of the responder terminal, and the TDLSDiscoveryResponse parameter is used to indicate the TDLS discovery response parameters, including the parameter ML Elements2.
A terminal, the terminal includes a high-level management unit and a low-level management unit, characterized in that:

The lower layer management unit is used to receive the TDLS Discovery Request frame sent by the access device, the TDLS Discovery Request frame contains the parameter ML Elements1, and the ML Elements1 is used to indicate the multi-link parameter of the initiator terminal; Send MLME-TDLSDISCOVERY. The indication primitive is given to the upper management unit. The MLME-TDLSDISCOVERY.indication primitive includes the parameters TDLSPeerSTAAddress and TDLSDiscoveryRequest, the TDLSPeerSTAAddress parameter is used to indicate the address of the initiator terminal, and the TDLSDiscoveryRequest parameter is used to indicate the TDLS discovery request parameter. The TDLSDiscoveryRequest parameter includes Parameter ML Elements1; after receiving the MLME-TDLSDISCOVERY.response primitive, send a TDLS Discovery Response frame to the access device or the initiator terminal, and the TDLS Discovery Response frame contains the parameter ML Elements2;

The high-level management unit is used when the local parameter dot11MultilinkOptionImplemented of the responder terminal indicates that the responder terminal supports the multilink operation capability or indicates that the responder terminal supports the multilink operation capability and starts the operation, or, when the local parameter of the responder terminal dot11EHTOptionImplemented indicates that the responder terminal supports the EHT system capability or indicates that the responder terminal supports and enables the EHT system capability, and the local parameter dot11MultilinkOptionImplemented of the responder terminal indicates that the responder terminal supports the multilink operation capability or indicates that the responder terminal supports the multilink operation When the MLME-TDLSDISCOVERY.indication primitive is received, the MLME-TDLSDISCOVERY.response primitive is sent to the lower management unit, and the MLME-TDLSDISCOVERY.response primitive contains the parameters TDLSPeerSTAAddress and TDLSDiscoveryResponse, TDLSDiscoveryResponse The parameter is used to indicate the TDLS discovery response parameter, including the parameter ML Elements2, which is used to indicate the multi-link parameter of the responder terminal.
A terminal, characterized in that the terminal comprises a processor and a memory, the memory stores at least one piece of program code, and the at least one piece of program code is loaded and executed by the processor, so as to realize the method according to claim 1- The method for searching for peer terminals in tunnel direct link establishment according to any one of 11.
A storage medium, wherein at least one piece of program code is stored in the storage medium, and the at least one piece of program code is loaded and executed by a processor to implement the tunnel according to any one of claims 1-11 Method for searching for peer terminals in direct link establishment.