CN114760719A - Method, apparatus, device and storage medium for discovering and connecting to soft access device - Google Patents
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- H04W88/08—Access point devices
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- H04W48/16—Discovering, processing access restriction or access information
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Abstract
Methods, apparatuses, devices and storage medium for discovering and connecting to a soft access device are disclosed. The method comprises the following steps: receiving a broadcast message on a first link, wherein the multi-link information element contained in the broadcast message comprises the identification of the first link; sending a detection request message on a first link, wherein a multilink information element contained in the detection request message comprises an identifier of the first link; receiving a probe response message on a first link, wherein the multi-link information element comprises information of an access point on the first link and information of an access point on a second link; sending a connection request message on a first link; receiving a connection response message on the first link; and setting a main link and a non-main link according to the connection response message. The method and the device can avoid packet loss caused by asynchronous receiving and sending interference on the two logic access points, enlarge the coverage area of a wireless network, improve the data transmission rate, eliminate the interference between links, reduce the packet loss rate and ensure the effective throughput rate of the network.
Description
Technical Field
The present application relates to the field of wireless communications, and in particular, to a method, an apparatus, a device, and a storage medium for discovering and connecting to a soft access device.
Background
802.11be networks, also known as Extreme High Throughput (EHT) networks, are enhanced by a range of system features and a variety of mechanisms to achieve very High Throughput. As the use of Wireless Local Area Networks (WLANs) continues to grow, it becomes increasingly important to provide wireless data services in many environments, such as homes, businesses, and hot spots. In particular, video traffic will continue to be the dominant type of traffic in many WLAN deployments. With the advent of 4k and 8k video (uncompressed rates of 20 Gbps), the throughput requirements for these applications are constantly evolving. New high throughput, low latency applications such as virtual reality or augmented reality, gaming, remote offices, and cloud computing will proliferate (e.g., latency for real-time gaming is less than 5 milliseconds).
In view of the high throughput and stringent real-time latency requirements of these applications, users expect higher throughput, higher reliability, less latency and jitter, and higher power efficiency when supporting their applications over a WLAN. Users desire improved integration with Time Sensitive Networks (TSNs) to support applications on heterogeneous ethernet and wireless LANs. 802.11be networks aim to ensure the competitiveness of WLANs 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.
Disclosure of Invention
After the introduction of multi-link technologies, devices with the capability to operate on multiple links simultaneously are referred to as multi-link devices. The multi-link terminal device can set two logic entities as logic access points, called soft AP MLD, soft access devices when service is needed. However, due to the limited capability of the multilink terminal device, when one link is transmitting data, the other link may not be able to receive data due to interference, so if the conventional multilink access device makes two logical access points independently access the terminal device and independently perform data, data loss is caused, and finally, the service delay of a user is relatively large due to data retransmission, which actually reduces user experience. Therefore, in the invention, the soft access equipment sets the link of one of the two logical access points as a main link, and sets the link of the other access point as a non-main link, and the soft access equipment only sends the broadcast message on the main link and does not send the broadcast message on the non-main link. In view of the above, embodiments of the present application provide a method, an apparatus, a device, and a storage medium for discovering and connecting to a soft access device.
In a first aspect, an embodiment of the present application provides a method for discovering and connecting to a soft access device, which is applied to a multi-link terminal device, and includes:
receiving a broadcast message on a first link, wherein the broadcast message comprises a neighboring access point report information element and a multilink information element, and the multilink information element in the broadcast message comprises an identifier of the first link;
sending a probe request message on a first link, wherein the probe request message comprises a multilink information element, and the multilink information element in the probe request message comprises an identifier of the first link;
receiving a probe response message on a first link, wherein the probe response message contains a multilink information element, the multilink information element in the probe response message contains information of an access point on the first link and information of an access point on a second link, the information of the access point on the first link comprises an identification of the first link and capability information or/and operation information of the access point operating on the first link, and the information of the access point on the second link comprises an identification of the second link and capability information or/and operation information of the access point operating on the second link, wherein the access point operating on the first link and the access point operating on the second link belong to the same multilink device;
sending a connection request message on a first link, wherein the connection request message contains a multilink information element, the multilink information element in the connection request message contains information of a first link requesting to establish a connection and information of a second link requesting to establish the connection, the information of the first link requesting to establish the connection comprises an identification of the first link and capability information of a logical entity of the multilink terminal equipment operating on the first link, and the information of the second link requesting to establish the connection comprises an identification of the second link and capability information of the logical entity of the multilink terminal equipment operating on the second link;
receiving a connection response message on a first link, wherein the connection response message contains a multilink information element, the multilink information element in the connection response message contains information of a first link which agrees to establish connection and information of a second link which agrees to establish connection, the information of the first link which agrees to establish connection comprises identification of the first link, indication of whether the first link is a main link on a soft access device and capability information or/and operation information of an access point operating on the first link, and the information of the second link which agrees to establish connection comprises identification of the second link, indication of whether the second link is the main link on the soft access device and capability information or/and operation information of the access point operating on the second link;
and setting a main link and a non-main link according to the connection response message.
In a possible implementation manner, the neighboring access point report information element includes an identifier of the second link, and indicates that the access point operating on the first link and the access point operating on the second link belong to the same multi-link device, and the multi-link information element in the probe request message further includes the identifier of the second link.
In a possible implementation manner, the neighboring access point report information element further includes an indication whether the second link is a primary link on the soft access device.
In a possible implementation manner, the multilink information element in the broadcast message further includes an indication whether the first link is a primary link on the soft access device or further includes an indication whether the first link is the soft access device.
In a possible implementation manner, the information of the access point on the first link and the information of the access point on the second link each further include an indication whether the access point is a primary link on the soft access device.
In a possible implementation manner, after the setting a primary link and a non-primary link according to the connection response message, the method further includes:
if the main link and the non-main link are idle, transmitting data on the main link and the non-main link simultaneously;
if the main link is idle, but the non-main link is not idle, only transmitting data on the main link;
if the primary link is not idle, no data is sent.
In a second aspect, an embodiment of the present application provides an apparatus for discovering and connecting to a soft access device, which is applied to a multi-link terminal device, and includes:
a broadcast message receiving module, configured to receive a broadcast message on a first link, where the broadcast message includes a neighboring access point report information element and a multilink information element, and the multilink information element in the broadcast message includes an identifier of the first link;
a probe request message sending module, configured to send a probe request message on a first link, where the probe request message includes a multilink information element, and the multilink information element in the probe request message includes an identifier of the first link;
a probe response message receiving module, configured to receive a probe response message on a first link, where the probe response message includes a multilink information element, where the multilink information element in the probe response message includes information of an access point on the first link and information of an access point on a second link, where the information of the access point on the first link includes an identifier of the first link and capability information or/and operation information of the access point operating on the first link, and the information of the access point on the second link includes an identifier of the second link and capability information or/and operation information of the access point operating on the second link, where the access point operating on the first link and the access point operating on the second link belong to the same multilink device;
a connection request message sending module, configured to send a connection request message on a first link, where the connection request message includes a multilink information element, where the multilink information element in the connection request message includes information of a first link requesting connection establishment and information of a second link requesting connection establishment, where the information of the first link requesting connection establishment includes an identifier of the first link and capability information of a logical entity of the multilink terminal device operating on the first link, and the information of the second link requesting connection establishment includes an identifier of the second link and capability information of the logical entity of the multilink terminal device operating on the second link;
a connection response message receiving module, configured to receive a connection response message on a first link, where the connection response message includes a multilink information element, where the multilink information element in the connection response message includes information of a first link that agrees to establish a connection and information of a second link that agrees to establish a connection, where the information of the first link that agrees to establish a connection includes an identifier of the first link, an indication of whether the first link is a primary link on the soft access device, and capability information or/and operation information of an access point operating on the first link, and the information of the second link that agrees to establish a connection includes an identifier of the second link, an indication of whether the second link is a primary link on the soft access device, and capability information or/and operation information of an access point operating on the second link;
and the main link setting module is used for setting a main link and a non-main link according to the connection response message.
In a possible implementation manner, the neighboring access point report information element includes an identifier of the second link, and indicates that the access point operating on the first link and the access point operating on the second link belong to the same multi-link device, and the multi-link information element in the probe request message further includes the identifier of the second link.
In a possible implementation manner, the neighboring access point report information element further includes an indication whether the second link is a primary link on the soft access device.
In a possible implementation manner, the multilink information element in the broadcast message further includes an indication whether the first link is a primary link on the soft access device or further includes an indication whether the first link is the soft access device.
In a possible implementation manner, the information of the access point on the first link and the information of the access point on the second link each further include an indication whether the access point is a primary link on the soft access device.
In a possible implementation manner, the system further includes a data sending module, where the data sending module is configured to execute the following steps:
if the main link and the non-main link are idle, transmitting data on the main link and the non-main link simultaneously;
if the main link is idle, but the non-main link is not idle, only transmitting data on the main link;
if the primary link is not idle, no data is sent.
In a third aspect, an embodiment of the present application provides an apparatus for discovering and connecting to a soft access device, including a memory, a processor, and a computer program stored on the memory, wherein the processor executes the computer program to implement the steps of the method of the first aspect.
In a fourth aspect, embodiments of the present application provide a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the method of the first aspect.
In a fifth aspect, the present application provides a computer program product, which includes instructions that, when executed by a processor, implement the steps of the method of the first aspect.
It should be noted that the apparatus of the second aspect, the device of the third aspect, the storage medium of the fourth aspect, and the computer program product of the fifth aspect are used to execute the method provided by the first aspect, so that the same beneficial effects as those of the method of the first aspect can be achieved, and the embodiments of the present application are not described again.
According to the method, the multiple logic access points of the soft AP MLD are managed in a classified mode, different management is conducted on the broadcast information of different logic access points, and therefore the traditional single-link terminal equipment is controlled to be connected to only one main logic access point, the multi-link terminal equipment can be connected to the main logic access point and the non-main logic access point, and the multi-link terminal equipment and the soft AP MLD are controlled to receive and transmit data on two links simultaneously.
Drawings
Fig. 1 is a schematic diagram illustrating a method for discovering and connecting to a soft access device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an apparatus for discovering and connecting to a soft access device according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of another apparatus for discovering and connecting to a soft access device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a device for discovering and connecting to a soft access device according to an embodiment of the present application.
Detailed Description
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 clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. While the disclosure herein has been presented in terms of exemplary embodiments or examples, it is to be understood that each aspect of the disclosure can be utilized independently and separately from other aspects of the disclosure to provide a complete disclosure. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
In the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a alone, A and B together, and B alone, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one of a, b, or c, may represent: a, b, c, a and b, a and c, b and c, or a and b and c, wherein a, b and c can be single or multiple. In addition, for the convenience of clearly describing the technical solutions of the embodiments of the present application, in the embodiments of the present application, the words "first", "second", and the like are used to distinguish the same items or similar items with basically the same functions and actions, and those skilled in the art can understand that the words "first", "second", and the like do not limit the quantity and execution order. For example, the "first" in the first trigger message and the "second" in the second trigger message in the embodiment of the present application are only used to distinguish different trigger messages. The descriptions of the first, second, etc. appearing in the embodiments of the present application are only for illustrating and differentiating the objects, and do not represent the order or the particular limitation of the number of the devices in the embodiments of the present application, and do not constitute any limitation to the embodiments of the present application.
In this application, the words "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
In this embodiment, it is assumed that a multi-link terminal device MLD1 (i.e., soft AP MLD1) is established with a logical access point AP1, operates on a link1 and a logical access point AP2, and operates on a link2, where the link1 and the link2 are a pair of NSTR links, that is, while data cannot be simultaneously transmitted on one link, the other link receives data, the link1 is set as a primary link, the link2 is set as a non-primary link, and the soft AP d1 only transmits a beacon message through the AP1 on the link1 or transmits a probe response message (probe response message) in response to other terminal devices, and does not transmit the beacon message on the link2 or transmits the probe response message in response to other terminal devices. The multi-link end device STA MLD2 comprises two logical entities STA3, operable on link1 and STA4, operable on link 2.
Fig. 1 is a schematic diagram of a method for discovering and connecting to a soft access device according to an embodiment of the present application. As shown in fig. 1, the method for discovering and connecting to a soft access device includes the steps of:
s101, soft AP MLD1 sends a broadcast message (such as beacon message or probe response message) through AP1, wherein the broadcast message contains a neighboring access point Report information element (RNR element for short) and a multilink information element multilink element, and the RNR element contains an identifier of link2 and an indication of whether link2 is a main link on a soft access device, and indicates that an access point operating on link1 and an access point operating on link2 belong to the same multilink device; the Multi link element contains the identity of link 1. Illustratively, the RNR element contains the parameters shown in Table 1, and the Multi link element contains the parameters shown in Table 2.
TABLE 1
In table 1, when the current device is soft AP MLD, the parameter may be specifically included when the value of the local setting parameter dot11soft AP mlparsed is true; alternatively, when the value of the local setting parameter dot11SoftAPMLDImplemented is true, and there is a pair of NSTR link pairs, this parameter is included.
TABLE 2
After reading the broadcast message sent by soft AP MLD1 through AP1, the single-link terminal device sends a connection request message (such as an association request message) to soft AP MLD1 on link1 to request to connect to soft AP MLD1, and establishes connection with soft AP MLD1 after receiving a connection response message (such as an association response message) sent by soft AP MLD 1.
S102, after the STA MLD2 reads a broadcast message sent by the soft AP MLD1 through the AP1 on the link1, the STA MLD2 sends a probe request message (such as a probe request message) to the soft AP MLD1 on the link1, wherein the probe request message comprises a Multi-link information element, and the Multi-link element in the probe request message comprises the identification of the link1 and the identification of the link 2. Illustratively, the Multi link element in the probe request message contains parameters shown in table 3.
TABLE 3
The STA profile may contain parameters shown in table 4.
TABLE 4
S103.soft AP MLD1, after receiving the probe request message, constructs a probe response message (such as a probe response message) according to the setting in the parameter Multi Link element, and sends the probe response message to the STA MLD2 on the Link1, where the probe response message includes information of the Link indicated by the Link ID in the Multi Link element, and if the parameter Complete Profile value corresponding to the Link is 1, the probe response message includes all the information of the Link, and if the Complete Profile value is 0, the probe response message includes the parameter indicated in the Profile, and the probe response message includes the Multi Link element, and the Multi Link element includes the parameters shown in table 5.
TABLE 5
The AP profile 1 and the AP profile 2 contain parameters shown in table 6.
TABLE 6
The capability information or/and operation information of AP1 and the capability information or/and operation information of AP2 in table 6 can also be understood as capability information or/and operation information of soft AP MLD1 on link1 and capability information or/and operation information on link 2. In the embodiment of the application, in order to distinguish the capability and the operation information of the terminal device on the link and the capability and the operation information of the access point on the link, different parameters are used for distinguishing descriptions, that is, STA profile (information of the terminal on the link) and AP profile (information of the access point on the link).
S104. after receiving the probe response message, sta MLD2 sends a connection request message (e.g., association request message) to soft AP MLD1 on link1, where the connection request message includes a Multi link element, and the Multi link element includes parameters shown in table 7.
TABLE 7
The STA profile includes parameters shown in table 8.
TABLE 8
S105.soft AP MLD1, after receiving the connection request message, establishes a corresponding connection according to the Link ID in the Multi Link element, and sends a connection response message (e.g., an association response message) to STA MLD2 on Link1, where the connection response message includes the Multi Link element including the parameters shown in table 9.
TABLE 9
Among them, AP profile 1 and AP profile 2 contain parameters shown in table 10.
Watch 10
And S106, after the STA MLD2 receives the connection response message, setting the link1 as a main link and setting the link2 as a non-main link according to the indication of a parameter Primary link on soft AP in the received connection response message.
STA3 of STA MLD2 operates on the primary link, STA4 operates on the non-primary link, and when a multi-link end device STA MLD2 to which STA3 and STA4 belong needs to transmit data,
firstly, detecting whether a link where the STA3 is located, namely a main link is idle, if so, detecting whether a link where the STA4 is located, namely a non-main link is idle, and if so, transmitting data on the two links simultaneously;
if the main link is not idle, whether the non-main link is idle or not is not detected, and data is not sent;
if the primary link is idle, but a non-primary link is detected as not idle, then data is sent only on the primary link.
When the soft AP MLD1 wants to delete a certain logical access point, it sends a multi-link reconfiguration notification message (ML reconfiguration NOTIFY message) in broadcast or unicast through the AP1 belonging to the soft AP MLD1,
1) when soft AP MLD1 wants to delete a non-primary link, the ML reconfiguration NOTIFY message contains the parameters shown in Table 11.
TABLE 11
| Parameter(s) | Description of the invention |
| Link ID | Setting as identification of non-primary link |
| Delete timer | The time left for deleting the access point corresponding to the link |
2) When soft AP MLD1 wants to delete the primary link and leave the non-primary link, the ML redirection NOTIFY message contains the parameters shown in Table 12.
TABLE 12
| Parameter(s) | Description of the preferred embodiment |
| Link ID | Setting as identity of primary link |
| Delete timer | DeletingThe time remaining in the access point corresponding to the link |
| New primary Link | Setting as an identity of a non-primary link |
After STA3 belonging to multi-link terminal STA MLD2 receives the ML reconfiguration NOTIFY message,
if the value of the Link ID is the identifier of the non-main Link, disconnecting the Link before the time indicated by the Delete timer;
if the value of the Link ID is the identifier of the primary Link and does not contain the New primary Link parameter, disconnecting all links before the time indicated by the Delete timer;
if the value of the Link ID is the identification of the primary Link and the value of the New primary Link is the identification of the non-primary Link, the local original non-primary Link is set as the primary Link before the time indicated by the Delete timer, and the connection on the original primary Link is disconnected.
In another embodiment, the RNR element included in the broadcast message sent by the AP1 in step S101 does not include information of the AP2, and the Multi link element included in the broadcast message includes an identifier of link1 and an indication of whether link1 is a primary link on the soft access device, or includes an identifier of link1 and an indication of whether the link1 is a soft access device, for example, parameters included in the Multi link element are shown in table 13 or table 14.
Watch 13
TABLE 14
In this embodiment, in step S102, after the STA MLD2 reads the broadcast message of the AP1 on the link1, it knows that the access device is a soft access device according to a parameter Primary link on soft AP or soft AP indicator in the message, and sends a probe request message to the AP1 on the link1, where the probe request message includes a Multi-link element, and for example, the Multi-link element includes parameters shown in table 15.
Watch 15
In step S103, after the soft AP MLD1 receives the probe request message, if the message includes a Multi link element and the current device type is a soft access device, the probe response message is sent to the STA MLD2 on the link1, where the probe response message includes information of the link1 as the primary link and information of the link2 as the non-primary link, and for example, the probe response message includes parameters shown in table 16. Other steps of this embodiment can refer to the above embodiment, and are not described herein again.
TABLE 16
In another embodiment, in step S101, the RNR element included in the broadcast message sent by the AP1 includes the information of the AP2, but there is no other indication, and the Multi link element included in the broadcast message includes an identifier of link1 and an indication whether link1 is a primary link on a soft access device, or includes an identifier of link1 and an indication whether link1 is a soft access device, for example, the RNR element includes a parameter shown in table 17, and the Multi link element includes a parameter shown in table 18 or table 19.
TABLE 17
Watch 18
Watch 19
In this embodiment, in step S102, after the STA MLD2 reads the broadcast message of the soft AP MLD1 on the link1, it knows that the type of the device is a soft access device according to a parameter Primary link on soft AP or a soft AP indicator in the message, and sends a probe request message to the soft AP MLD1 on link1, where the probe request message includes an information element Multi link element, and for example, the Multi link element includes a parameter shown in table 20. Other steps of this embodiment can refer to the above embodiment, and are not described herein again.
Watch 20
In another embodiment, in step S101, the RNR element included in the broadcast message sent by the AP1 does not include information of the AP2, and the Multi link element included in the broadcast message includes an identifier of the link1 but does not include other indications, and for example, the Multi link element includes parameters shown in table 21.
TABLE 21
In this embodiment, in step S102, after the STA MLD2 reads the broadcast message of the soft AP MLD1 on the link1, if the message includes a Multi link element, the STA MLD2 sends a probe request message to the soft AP MLD1 on the link1, where the message includes a Multi link information element, and the Multi link element includes the parameters shown in table 22.
TABLE 22
In step S103, after the soft AP MLD1 receives the probe request message, if the message includes a Multi link element and the current device type is a soft access device, it sends a probe response message on the link1 to the STA MLD2, where the probe response message includes information of the link1 serving as the primary link and information of the link2 serving as the non-primary link, and the probe response message includes parameters shown in table 23. Other steps of this embodiment can refer to the above embodiment, and are not described herein again.
TABLE 23
In another embodiment, in step S101, the RNR element included in the broadcast message sent by the AP1 includes the information of the AP2, but no other indication, and the Multi link element included in the broadcast message includes the identifier of link1, but no other indication, for example, the RNR element includes the parameters shown in table 24, and the Multi link element includes the parameters shown in table 25.
TABLE 24
TABLE 25
In this embodiment, in step S102, after reading the broadcast message of the soft AP MLD1 on the link1, the STA MLD2 sends a probe request message to the soft AP MLD1 on the link1, where the probe request message includes an information element, for example, a Multi link element including the parameters shown in table 26. Other steps of this embodiment can refer to the above embodiment, and are not described herein again.
Watch 26
In another embodiment, the Multi link element in the probe response message in step S103 of the foregoing embodiment further includes an indication of whether the Multi link element is a primary link on the soft access device, and for example, the Multi link element included in the probe response message includes a parameter shown in table 27.
Watch 27
The AP profile 1 and the AP profile 2 contain parameters shown in table 28.
Watch 28
Fig. 2 is a schematic structural diagram of an apparatus for discovering and connecting to a soft access device according to an embodiment of the present application. As shown in fig. 2, the apparatus 200 includes a broadcast message receiving module 201, a probe request message sending module 202, a probe response message receiving module 203, a connection request message sending module 204, a connection response message receiving module 205, and a main link setting module 206, which are communicatively connected with each other, wherein,
a broadcast message receiving module 201, configured to receive a broadcast message on a first link, where the broadcast message includes a neighboring access point report information element and a multilink information element, and the multilink information element in the broadcast message includes an identifier of the first link;
a probe request message sending module 202, configured to send a probe request message on a first link, where the probe request message includes a multilink information element, and the multilink information element in the probe request message includes an identifier of the first link;
a probe response message receiving module 203, configured to receive a probe response message on a first link, where the probe response message includes a multilink information element, where the multilink information element in the probe response message includes information of an access point on the first link and information of an access point on a second link, where the information of the access point on the first link includes an identifier of the first link and capability information or/and operation information of the access point operating on the first link, and the information of the access point on the second link includes an identifier of the second link and capability information or/and operation information of the access point operating on the second link, where the access point operating on the first link and the access point operating on the second link belong to the same multilink device;
a connection request message sending module 204, configured to send a connection request message on a first link, where the connection request message includes a multilink information element, where the multilink information element in the connection request message includes information of a first link requesting to establish a connection and information of a second link requesting to establish a connection, where the information of the first link requesting to establish a connection includes an identifier of the first link and capability information of a logical entity of the multilink terminal device operating on the first link, and the information of the second link requesting to establish a connection includes an identifier of the second link and capability information of a logical entity of the multilink terminal device operating on the second link;
a connection response message receiving module 205, configured to receive a connection response message on a first link, where the connection response message includes a multilink information element, where the multilink information element in the connection response message includes information of a first link that agrees to establish a connection and information of a second link that agrees to establish a connection, where the information of the first link that agrees to establish a connection includes an identifier of the first link, an indication of whether the first link is a primary link on the soft access device, and capability information or/and operation information of an access point operating on the first link, and the information of the second link that agrees to establish a connection includes an identifier of the second link, an indication of whether the second link is a primary link on the soft access device, and capability information or/and operation information of an access point operating on the second link;
a main link setting module 206, configured to set a main link and a non-main link according to the connection response message.
Optionally, the apparatus 200 further comprises a data transmission module 207, as shown in fig. 3. The data sending module 207 is configured to perform the following steps:
if the main link and the non-main link are idle, transmitting data on the main link and the non-main link simultaneously;
if the main link is idle, but the non-main link is not idle, only transmitting data on the main link;
if the primary link is not idle, no data is sent.
In an alternative example, it may be understood by those skilled in the art that the apparatus 200 may be embodied as the STA MLD2 in the foregoing embodiment, and the apparatus 200 may be configured to perform various procedures and/or steps corresponding to the STA MLD2 in the foregoing method, which are not described herein again to avoid repetition.
It should be appreciated that the apparatus 200 herein is embodied in the form of functional modules. The term module, as used herein, may refer to an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (e.g., a shared, dedicated, or group processor), and memory that execute one or more software or firmware programs, a combinational logic circuit, and/or other suitable components that support the described functionality. The above-mentioned apparatus 200 has the function of implementing the corresponding steps in the above-mentioned method; the above functions may be implemented by hardware, or may be implemented by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the functions described above. In an embodiment of the present application, the apparatus 200 may also be a chip or a system of chips, such as: system on chip (SoC). The present application is not limited thereto.
An embodiment of the present application further provides a device for discovering and connecting to a soft access device, and fig. 4 is a schematic structural diagram of the device for discovering and connecting to a soft access device according to the embodiment of the present application. As shown in fig. 4, the device 400 comprises a processor 401, a memory 402 and a communication interface 403, wherein the processor 401, the memory 402 and the communication interface 403 communicate with each other through a bus 404, and the memory 402 stores therein instructions executable by the processor 401, and the instructions are loaded and executed by the processor 401 to control the communication interface 403 to transmit and/or receive signals.
It should be understood that the device 400 may be embodied as the STA MLD2 in the above embodiment, or the functions of the STA MLD2 in the above embodiment may be integrated in the device 400, and the device 400 may be configured to perform the respective steps and/or flows corresponding to the STA MLD2 in the above embodiment. Alternatively, the memory 402 may include a read-only memory and a random access memory, and provides instructions and data to the processor 401. A portion of the memory 402 may also include non-volatile random access memory. For example, the memory 402 may also store device type information. The processor 401 may be configured to execute the instructions stored in the memory 401, and when the processor 401 executes the instructions, the processor 401 may perform the steps and/or processes corresponding to the STA MLD2 in the above method embodiments.
It should be understood that, in the embodiment of the present application, the processor 401 may be a Central Processing Unit (CPU), and the processor may also be other general processors, Digital Signal Processors (DSP), Application Specific Integrated Circuits (ASIC), Field Programmable Gate Arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and so on. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The steps of a method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software modules in a processor. The software modules may be located in ram, flash, rom, prom, or eprom, registers, etc. as is well known in the art. The storage medium is located in a memory, and a processor executes instructions in the memory, in combination with hardware thereof, to perform the steps of the above-described method. To avoid repetition, it is not described in detail here.
The above-described embodiments may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. The procedures or functions described in accordance with the embodiments of the present application are produced in whole or in part when the computer instructions or the computer program are loaded or executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more collections of available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium. The semiconductor medium may be a solid state disk.
It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Those of ordinary skill in the art will appreciate that the various illustrative modules and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses, devices and modules may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus, device and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical functional division, and there may be another division in actual implementation, for example, one module or component may be divided into multiple modules or components, or multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: u disk, removable hard disk, read only memory, random access memory, magnetic disk or optical disk, etc. for storing program codes.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (14)
1. A method for discovering and connecting to a soft access device for use with a multi-link terminal device, comprising:
receiving a broadcast message on a first link, wherein the broadcast message comprises a neighboring access point report information element and a multilink information element, and the multilink information element in the broadcast message comprises an identifier of the first link;
sending a detection request message on a first link, wherein the detection request message comprises a multilink information element, and the multilink information element in the detection request message comprises an identifier of the first link;
receiving a probe response message on a first link, wherein the probe response message contains a multilink information element, the multilink information element in the probe response message contains information of an access point on the first link and information of an access point on a second link, the information of the access point on the first link comprises an identification of the first link and capability information or/and operation information of the access point operating on the first link, and the information of the access point on the second link comprises an identification of the second link and capability information or/and operation information of the access point operating on the second link, wherein the access point operating on the first link and the access point operating on the second link belong to the same multilink device;
sending a connection request message on a first link, wherein the connection request message contains a multilink information element, the multilink information element in the connection request message contains information of a first link requesting to establish a connection and information of a second link requesting to establish the connection, the information of the first link requesting to establish the connection comprises an identification of the first link and capability information of a logical entity of the multilink terminal equipment operating on the first link, and the information of the second link requesting to establish the connection comprises an identification of the second link and capability information of the logical entity of the multilink terminal equipment operating on the second link;
receiving a connection response message on a first link, wherein the connection response message contains a multilink information element, the multilink information element in the connection response message contains information of a first link which agrees to establish connection and information of a second link which agrees to establish connection, the information of the first link which agrees to establish connection comprises identification of the first link, indication of whether the first link is a main link on a soft access device and capability information or/and operation information of an access point operating on the first link, and the information of the second link which agrees to establish connection comprises identification of the second link, indication of whether the second link is the main link on the soft access device and capability information or/and operation information of the access point operating on the second link;
and setting a main link and a non-main link according to the connection response message.
2. The method of claim 1, wherein the neighbor access point report ie includes an identifier of the second link and indicates that the access point operating on the first link and the access point operating on the second link belong to the same multi-link device, and wherein the multi-link ie in the probe request message further includes the identifier of the second link.
3. The method of claim 2, wherein the neighbor access point report information element further comprises an indication of whether the second link is a primary link on the soft access device.
4. A method of discovering and connecting to soft access devices according to claim 1 or 2, wherein the multilink information element in the broadcast message further includes an indication of whether the first link is the primary link on the soft access device or further includes an indication of whether the first link is the soft access device.
5. A method of discovering and connecting to soft access devices according to any of claims 1-3, wherein the information of the access point on the first link and the information of the access point on the second link each further comprise an indication of whether or not it is the primary link on the soft access device.
6. The method of claim 1, wherein after the setting of the primary link and the non-primary link according to the connection response message, further comprising:
if the main link and the non-main link are idle, transmitting data on the main link and the non-main link simultaneously;
if the main link is idle, but the non-main link is not idle, only transmitting data on the main link;
if the primary link is not idle, no data is sent.
7. An apparatus for discovering and connecting to a soft access device for use in a multi-link terminal device, comprising:
a broadcast message receiving module, configured to receive a broadcast message on a first link, where the broadcast message includes a neighboring access point report information element and a multilink information element, and the multilink information element in the broadcast message includes an identifier of the first link;
a probe request message sending module, configured to send a probe request message on a first link, where the probe request message includes a multilink information element, and the multilink information element in the probe request message includes an identifier of the first link;
a probe response message receiving module, configured to receive a probe response message on a first link, where the probe response message includes a multilink information element, where the multilink information element in the probe response message includes information of an access point on the first link and information of an access point on a second link, where the information of the access point on the first link includes an identifier of the first link and capability information or/and operation information of the access point operating on the first link, and the information of the access point on the second link includes an identifier of the second link and capability information or/and operation information of the access point operating on the second link, where the access point operating on the first link and the access point operating on the second link belong to the same multilink device;
a connection request message sending module, configured to send a connection request message on a first link, where the connection request message includes a multilink information element, where the multilink information element in the connection request message includes information of a first link requesting to establish a connection and information of a second link requesting to establish a connection, where the information of the first link requesting to establish a connection includes an identifier of the first link and capability information of a logical entity of the multilink terminal device operating on the first link, and the information of the second link requesting to establish a connection includes an identifier of the second link and capability information of the logical entity of the multilink terminal device operating on the second link;
a connection response message receiving module, configured to receive a connection response message on a first link, where the connection response message includes a multilink information element, where the multilink information element in the connection response message includes information of a first link that agrees to establish a connection and information of a second link that agrees to establish a connection, where the information of the first link that agrees to establish a connection includes an identifier of the first link, an indication of whether the first link is a primary link on the soft access device, and capability information or/and operation information of an access point operating on the first link, and the information of the second link that agrees to establish a connection includes an identifier of the second link, an indication of whether the second link is a primary link on the soft access device, and capability information or/and operation information of an access point operating on the second link;
and the main link setting module is used for setting a main link and a non-main link according to the connection response message.
8. The apparatus of claim 7, wherein the neighbor access point report ie contains an identifier of the second link, and indicates that the access point operating on the first link and the access point operating on the second link belong to the same multi-link device, and wherein the multi-link ie in the probe request message further contains the identifier of the second link.
9. The apparatus of claim 8, wherein the neighbor access point report information element further comprises an indication of whether the second link is a primary link on the soft access device.
10. An apparatus for discovering and connecting to a soft access device according to claim 7 or 8, wherein the multilink information element in the broadcast message further includes an indication of whether the first link is a primary link on the soft access device or further includes an indication of whether the first link is a soft access device.
11. An apparatus for discovering and connecting to a soft access device according to any of claims 7-9, wherein the information for the access point on the first link and the information for the access point on the second link each further comprise an indication of whether or not it is the primary link on the soft access device.
12. The apparatus of claim 7, further comprising a data transmission module configured to perform the following steps:
if the main link and the non-main link are idle, transmitting data on the main link and the non-main link simultaneously;
if the main link is idle, but the non-main link is not idle, only transmitting data on the main link;
if the primary link is not idle, no data is sent.
13. An apparatus for discovering and connecting to soft access devices, comprising a memory, a processor and a computer program stored on the memory, characterized in that the processor executes the computer program to implement the steps of the method of any of claims 1-6.
14. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 6.
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| PCT/CN2022/101383 WO2023060940A1 (en) | 2021-10-11 | 2022-06-27 | Method, apparatus and device for discovering and connecting to soft access device, and storage medium |
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