CN115474293A - Method for establishing direct link by multilink equipment - Google Patents
Method for establishing direct link by multilink equipment Download PDFInfo
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- CN115474293A CN115474293A CN202210941496.7A CN202210941496A CN115474293A CN 115474293 A CN115474293 A CN 115474293A CN 202210941496 A CN202210941496 A CN 202210941496A CN 115474293 A CN115474293 A CN 115474293A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method for establishing a direct link by multilink equipment, which comprises the following steps that a first multilink terminal sends a command for requesting to establish the direct link and transmits the command to a second multilink terminal through multilink access equipment; the second multilink terminal sends an instruction for agreeing to establish a direct link, and the instruction is returned to the first multilink terminal through the multilink access equipment; after receiving the agreement instruction, the first multilink terminal sends out a confirmation instruction which is transmitted to the second multilink terminal through the multilink access equipment; and the second multi-link terminal completes the establishment of the direct link after receiving the confirmation instruction, and directly sends and receives data on the confirmed link, wherein the data are not sent and received by the multi-link access equipment. By enabling a plurality of logic entities of the multilink terminal to coordinate whether to establish the direct link, how many direct links are established, and the direct links among the multilink terminals are dynamically configured, the use efficiency of wireless resources is effectively improved, the data transmission rate is further improved, and the transmission delay is further reduced.
Description
Technical Field
The invention relates to the technical field of establishing a direct link by multilink equipment, in particular to a method for establishing a direct link by multilink equipment.
Background
802.11be networks, also known as Extreme High Throughput (EHT) networks, enhance functionality through 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 office 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 higher power efficiency when supporting their applications over a WLAN. 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.
The terminals can establish a direct connection link, also called a direct connection link, to reduce data transmission transfer links, improve transmission rate and reduce transmission delay. The multilink terminal can establish a plurality of direct connection links, and the transmission rate is improved to a greater extent and the transmission delay is reduced by simultaneously using the multilink technology and the direct connection link technology. However, in the prior art, a direct link can be established only based on a single link, and when multiple links of a multi-link terminal are independently established on each link according to the prior art, although the transmission rate is increased to a certain extent, because the multiple links are independently established, only link-level negotiation occurs between the multiple links, and device-level negotiation cannot be performed.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned conventional problems.
Therefore, the invention provides a method for establishing a direct link by multilink equipment, which can solve the problems that the existing multilinks are independently established, only link level negotiation exists between the multilinks, equipment level negotiation cannot be carried out, and the like.
In order to solve the above technical problem, the present invention provides the following technical solution, a method for establishing a direct link by a multilink device, including:
the first multilink terminal sends a command for requesting to establish a direct link and transmits the command to the second multilink terminal through the multilink access equipment;
the second multi-link terminal sends an instruction of agreeing to establish a direct link and returns the instruction to the first multi-link terminal through the multi-link access equipment;
after receiving the agreement instruction, the first multilink terminal sends a confirmation instruction which is transmitted to the second multilink terminal through the multilink access equipment;
and the second multilink terminal completes the establishment of the direct link after receiving the confirmation instruction, and directly sends and receives data on the confirmed link without passing through the multilink access equipment.
As a preferred scheme of the method for establishing the direct link by the multilink device, the method comprises the following steps: the direct link establishing instruction includes information requesting establishment of a plurality of links of the direct link, and each information element includes, for example, a link identifier, an address of a logical entity operating on the link, non-simultaneous transmit-receive link information, and an operating parameter.
As a preferred scheme of the method for establishing a direct link by a multilink device, the method provided by the invention comprises the following steps: the first multilink terminal and the second multilink terminal both comprise three logic terminals, and the multilink access equipment comprises three logic access points.
As a preferred scheme of the method for establishing a direct link by a multilink device, the method provided by the invention comprises the following steps: the two multilink terminals, the six logic terminals, the multilink access equipment and the three logic access points are all distributed with different local area network addresses.
As a preferred scheme of the method for establishing the direct link by the multilink device, the method comprises the following steps: the first multilink terminal is an initiator of the establishment of the direct link, and the second multilink terminal is a responder of the establishment of the direct link.
As a preferred scheme of the method for establishing a direct link by a multilink device, the method provided by the invention comprises the following steps: and the first multilink terminal detects that the current communication channel is busy, and initiates a channel switching instruction to the second multilink terminal.
As a preferred scheme of the method for establishing a direct link by a multilink device, the method provided by the invention comprises the following steps: the channel switching includes the steps of,
a first logic terminal in the first multilink terminal sends channel switching request information to a fourth logic terminal in the second multilink terminal;
after receiving the switching channel request information, the fourth logic terminal sends switching channel response information to the first logic terminal;
after receiving the channel switching response message, the first logic terminal sets local parameters according to the content of the received message and sends a successful receiving response message to the fourth logic terminal;
and the first logic terminal waits for receiving a response signal that the fourth logic terminal receives the data, and successfully establishes a new channel connection.
As a preferred scheme of the method for establishing a direct link by a multilink device, the method provided by the invention comprises the following steps: the channel switching request information comprises a target channel to be switched, the time length required by channel switching and the waiting time length after channel switching.
As a preferred scheme of the method for establishing a direct link by a multilink device, the method provided by the invention comprises the following steps: the switching channel request information may further include,
after the response message is successfully received after the transmission, the first logic terminal tries to transmit data to the fourth logic terminal, and detection can be repeated on the target channel according to whether the data transmitted by the fourth logic terminal exists or not, but the detection times do not exceed the maximum detection value;
and after receiving the response message of successful reception, the fourth logic terminal tries to send data to the first logic terminal, detects whether the data sent by the first logic terminal exists on the target channel, and can repeatedly detect the data, but the detection times do not exceed the maximum detection value.
As a preferred scheme of the method for establishing a direct link by a multilink device, the method provided by the invention comprises the following steps: the channel switching request message further comprises that a response for sending data is successfully received before the timer expires, or the data sent by the corresponding logic terminal is successfully detected and received, the timer is stopped, and the channel is switched back to the original channel if the data is not successfully sent when the timer expires or the data is not successfully received.
The invention has the beneficial effects that: the invention provides a method for establishing a direct link by multilink equipment, which enables a plurality of logic entities of multilink terminals to coordinate whether to establish the direct link, how many direct links are established and the direct link between the multilink terminals to be dynamically configured through unified discovery and establishment processes, thereby effectively improving the use efficiency of wireless resources, further improving the data transmission rate and reducing the transmission delay. The competitiveness of WLAN is ensured by further increasing the overall throughput and reducing latency, while ensuring backward compatibility and coexistence with older technology standards, 802.11 compatible devices operating in the 2.4GHz,5GHz and 6GHz bands.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a flowchart of a method for a multilink device to establish a direct link according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating specific steps of a method for a multilink device to establish a direct link according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a method for establishing a direct link by a multilink device according to an embodiment of the present invention;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention are described in detail below, and it is apparent that the described embodiments are a part, not all or all of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
The present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 to 3, a first embodiment of the present invention provides a method for a multilink device to establish a direct link, including:
s1: the method comprises the steps that a first multilink terminal is detached, a request is sent to establish a direct link instruction, and the direct link instruction is transmitted to a second multilink terminal through multilink access equipment;
furthermore, the first multi-link terminal Non-AP MLD1 has three logical terminals STA1, STA2, and STA3, the Non-AP MLD1, STA2, and STA3 are respectively allocated with different MAC addresses, the second multi-link terminal Non-AP MLD2 has three logical terminals STA4, STA5, and STA6, the Non-AP MLD2, STA4, STA5, and STA6 are respectively allocated with different MAC addresses, and the multi-link access device AP MLD has three logical access points AP1, AP2, and AP3, the AP MLD, AP1, AP2, and AP3 are respectively allocated with different MAC addresses.
Further, STA1 and STA4 are connected to AP1, STA2 and STA5 are connected to AP2, and STA3 and STA6 are connected to AP3; AP1 operates on a Link identified as Link1, AP2 operates on a Link identified as Link2, and AP3 operates on a Link identified as Link 3.
It should be noted that the multi-Link terminal Non-AP MLD1 is an initiator for establishing a direct Link, and the multi-Link terminal Non-AP MLD2 is a responder for establishing a direct Link, and the present invention assumes that the Non-AP MLD1 and the Non-AP MLD2 both establish a direct Link on all links, and Link1 and Link2 are a coherent Link pair, and the coherent Link pair indicates that the two links will interfere with each other.
Furthermore, the Non-AP MLD1 establishes a connection with the AP MLD, and receives the parameters configured by the AP MLD for its coherent link pair:
medium synchronization delay: a media synchronization time;
MSD ED: detecting a signal threshold value;
max number for detect: detecting the maximum times;
further, the Non-AP MLD2 establishes a connection with the AP MLD, and receives parameters configured by the AP MLD for its coherent link pair:
medium synchronization delay: a media synchronization time;
MSD ED: detecting a signal threshold value;
max number for detection: detecting the maximum times;
further, the Non-AP MLD1 sends a TDLS setup request message to the Non-AP MLD2, wherein the TDLS setup request message is set to:
the Type is set as TDLS discovery/setup, and the information element is indicated to be used for discovering the direct connection equipment or establishing a direct connection link;
link info 1Non-AP MLD1 requests establishment of information of a plurality of links directly connected to the Link, each Link info N including, for example, a Link identifier, an address of a logical entity operating on the Link, non-simultaneous transmission and reception Link information, an operation parameter, and the like;
s2: the second multilink terminal sends an instruction for agreeing to establish a direct link, and the instruction is returned to the first multilink terminal through the multilink access equipment;
further, after receiving the TDLS setup request message (TDLS is a tunnel direct link), the Non-AP MLD2 determines whether to agree to establish direct connection on the links according to link info in the Multi-link element, and if yes, includes link information in the TDLS setup response message, and after the confirmation is completed, the Non-AP MLD2 may send the TDLS setup response message to the Non-AP MLD1 through the AP MLD on any link that agrees to establish a direct link.
Further, the TDLS setup response message is set to:
the Type is set as TDLS discovery/setup, and the information element is indicated to be used for discovering the direct connection equipment or establishing a direct connection link;
link info 1Non-AP MLD2 agrees to establish information of a plurality of links of the direct Link, each Link info N containing, for example, a Link id, an address of a logical entity operating on the Link, non-simultaneous transmission and reception Link information, an operation parameter, and the like;
s3: after receiving the agreement instruction, the first multilink terminal sends out a confirmation instruction which is transmitted to the second multilink terminal through the multilink access equipment;
further, after receiving the TDLS setup response message, the Non-AP MLD1 sends a TDLS setup confirm message to the Non-AP MLD2 through the AP MLD on the direct link that is confirmed to be established according to the link information that is confirmed to be directly connected in the message.
S4: and the second multilink terminal completes the establishment of the direct link after receiving the confirmation instruction, and directly sends and receives data on the confirmed link without passing through the multilink access equipment.
Further, after receiving the TDLS setup confirm message, the Non-AP MLD2 starts to directly transmit and receive data with the Non-AP MLD1 on the confirmed link, and data transmission and reception does not pass through the AP MLD.
This embodiment provides a method for a multi-link device to establish a direct link, further comprising a channel switch,
a first logic terminal in the first multilink terminal sends channel switching request information to a fourth logic terminal in the second multilink terminal;
after receiving the switching channel request information, the fourth logic terminal sends switching channel response information to the first logic terminal;
after receiving the channel switching response message, the first logic terminal sets local parameters according to the content of the received message and sends a successful receiving response message to the fourth logic terminal;
and the first logic terminal waits for receiving a response signal that the fourth logic terminal receives the data, and successfully establishes a new channel connection.
Furthermore, the Non AP MLD1 detects that the current communication channel is too busy on the link1, and decides to negotiate with the Non AP MLD2 to change a channel;
further, the logical entity STA1 of the Non AP MLD1 sends a TDLS channel switch request message to the logical entity STA4 of the Non AP MLD2, where the request message includes:
target channel for Target channel handover
The duration required for Switch time to Switch channels
Waiting time after switching the channel by Switch timeout
Further, after receiving the TDLS channel switch request message, the STA4 sends a TDLS channel switch response message to the STA1, where the response message includes:
it should be noted that the value of the time duration Non-AP MLD2 acknowledgement required for the Switch time to Switch the channel may be greater than or equal to the value requested by Non-AP MLD 1;
the waiting time after switching the channel is as follows
MSD ED detection signal threshold value
Max number for detection maximum number of times
It should be noted that the value of switch timeout is set as follows:
if Link1 and Link2 are not a coherent Link pair, setting the value of parameter switch timeout in the request message;
if the link1 and the link2 are coherent links, setting the value of the switch timeout in the request message plus the Medium synchronization delay2;
further, after receiving the TDLS channel switch response message, the STA1 sets a value of a local corresponding parameter according to the received value of the parameter, and sends a successful reception response message to the STA4, and when the successful reception response message is sent, starts a Timer1_ switch _ time whose value is set to the value of the parameter switch time, starting a Timer1-switch-timeout, setting the value of the Timer to be a parameter switch timeout, trying to send data to the STA4 after the Timer1-switch _ time is up, or detecting whether the data sent by the STA4 exists on a target channel according to the value of MSD (device-to-device data) as a detection threshold, wherein the detection can be repeated, but the detection time does not exceed the value of Max number for detection;
it should be noted that if a response to send data is successfully received before the Timer1-switch-timeout expires, or data sent by the STA4 is successfully detected and received, the Timer is stopped, and if data is not successfully sent and received when the Timer1-switch-timeout expires, the original channel is switched back.
Further, after STA4 receives a response successfully received in response to the TDLS channel switch response message, it starts Timer4_ switch _ time, whose value is set to the value of parameter switch time, starts Timer4-switch-timeout, whose value is set to parameter switch timeout, tries to send data to STA1 after Timer4_ switch _ time expires, or detects whether there is data sent by STA1 on the target channel according to the value of MSD as a detection threshold, and can repeatedly detect, but the detection time does not exceed the value of number for detection.
It should be noted that if a response to transmit data is successfully received before the Timer4-switch-timeout expires, or data transmitted by the STA1 is successfully detected and received, the Timer is stopped, and if data is not successfully transmitted and data is not successfully received when the Timer4-switch-timeout expires, the original channel is switched back.
Example 2
Referring to fig. 2-3, in order to provide an embodiment of the present invention, a method for establishing a direct link by a multilink device is provided, a east-west water power station is located in the middle trip of the jialing river in wusheng county of the sichuan province, and is a radial-flow low-head power station which mainly generates power and gives consideration to shipping, and the power station is designed according to unattended operation and unattended operation.
The east-west water conservancy pivot consists of a barrage, a diversion open channel and a plant ship lock which are all independently arranged. The barrage is a concrete solid gravity dam, the dam crest elevation 261.20m, the maximum dam height 47.2m and the dam crest total length 631.15m, the large projects of the invention are used in the industrial television of the water power station of the east-west Guangdong province to ensure the safe use of the water power station, so a large amount of monitoring equipment is needed, a large amount of monitoring equipment needs an ultra-large broadband to process data,
the dam comprises a left bank water retaining dam section, a left bank overflow dam section, a flood discharge gate dam section, a connecting dam section, a right bank overflow dam section, a right bank stairwell dam section and a right bank connecting dam section from left to right in sequence. The stream sections adopt 170 high-definition industrial cameras in total, wherein 18 high-definition industrial cameras are used in a left bank water retaining dam section, 28 high-definition industrial cameras are used in a left bank overflow dam section, 48 high-definition industrial cameras are used in a connecting dam section, 28 high-definition industrial cameras are used in a right bank overflow dam section, 30 high-definition industrial cameras are used in a right bank stairwell dam section, and 18 high-definition industrial cameras are used in a right bank connecting dam section, so that a large amount of high-definition image data are generated.
By implementing the invention, the media monitoring is kept synchronous by controlling the timer after the channel switching is carried out on the direct link between the multilink terminals, thereby avoiding the condition that the channel monitoring fails and the data can not be transmitted and received due to the interference of the multilinks of mutually coherent links after the two multilink terminals carry out the channel switching on the direct link.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A method for establishing a direct link by a multilink device is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the first multilink terminal sends a command for requesting to establish a direct link, and the command is transmitted to the second multilink terminal through the multilink access equipment;
the second multilink terminal sends an instruction for agreeing to establish a direct link, and the instruction is returned to the first multilink terminal through the multilink access equipment;
after receiving the agreement instruction, the first multilink terminal sends out a confirmation instruction which is transmitted to the second multilink terminal through the multilink access equipment;
and the second multilink terminal completes the establishment of the direct link after receiving the confirmation instruction, and directly sends and receives data on the confirmed link without passing through the multilink access equipment.
2. The method for a multilink device to establish a direct link as claimed in claim 1, wherein: the direct link establishing instruction includes information requesting establishment of a plurality of links of the direct link, and each information element includes, for example, a link identifier, an address of a logical entity operating on the link, non-simultaneous transmit-receive link information, and an operating parameter.
3. The method of claim 2 for a multilink device to establish a direct link, wherein: the first multilink terminal and the second multilink terminal both comprise three logic terminals, and the multilink access equipment comprises three logic access points.
4. The method for a multi-link device to establish a direct link as claimed in claim 3, wherein: the two multilink terminals, the six logic terminals, the multilink access equipment and the three logic access points are all distributed with different local area network addresses.
5. The method of claim 4 for a multilink device to establish a direct link, wherein: the first multilink terminal is an initiator of the establishment of the direct link, and the second multilink terminal is a responder of the establishment of the direct link.
6. A method for a multi-link device to establish a direct link according to any of claims 1-5, wherein: and the first multilink terminal detects that the current communication channel is busy, and initiates a channel switching instruction to the second multilink terminal.
7. The method for a multi-link device to establish a direct link as claimed in claim 6, wherein: the channel switching includes the steps of,
a first logic terminal in the first multilink terminal sends channel switching request information to a fourth logic terminal in the second multilink terminal;
after receiving the switching channel request information, the fourth logic terminal sends switching channel response information to the first logic terminal;
after receiving the channel switching response message, the first logic terminal sets local parameters according to the content of the received message and sends a successful receiving response message to the fourth logic terminal;
and the first logic terminal waits for receiving a response signal that the fourth logic terminal receives the data, and successfully establishes new channel connection.
8. The method of claim 7 for a multilink device to establish a direct link, wherein: the channel switching request information comprises a target channel to be switched, the time length required by channel switching and the waiting time length after channel switching.
9. The method for a multilink device to establish a direct link as claimed in claim 8, wherein: the switching channel request information may further include,
after the response message is successfully received after the transmission, the first logic terminal tries to transmit data to the fourth logic terminal, and detection can be repeated on the target channel according to whether the data transmitted by the fourth logic terminal exists or not, but the detection times do not exceed the maximum detection value;
and after receiving the response message of successful reception, the fourth logic terminal tries to send data to the first logic terminal, detects whether the data sent by the first logic terminal exists on the target channel, and can repeatedly detect the data, but the detection times do not exceed the maximum detection value.
10. The method for a multi-link device to establish a direct link as claimed in claim 9, wherein: the channel switching request message further comprises that a response for sending data is successfully received before the timer expires, or the data sent by the corresponding logic terminal is successfully detected and received, the timer is stopped, and the channel is switched back to the original channel if the data is not successfully sent when the timer expires or the data is not successfully received.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941496.7A CN115474293A (en) | 2022-08-08 | 2022-08-08 | Method for establishing direct link by multilink equipment |
| PCT/CN2022/123055 WO2024031807A1 (en) | 2022-08-08 | 2022-09-30 | Method for establishing direct link between multi-link devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941496.7A CN115474293A (en) | 2022-08-08 | 2022-08-08 | Method for establishing direct link by multilink equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115474293A true CN115474293A (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210941496.7A Pending CN115474293A (en) | 2022-08-08 | 2022-08-08 | Method for establishing direct link by multilink equipment |
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| Country | Link |
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| CN (1) | CN115474293A (en) |
| WO (1) | WO2024031807A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10959153B2 (en) * | 2017-09-11 | 2021-03-23 | Qualcomm Incorporated | Techniques for multi-link aggregation signaling |
| US20230103595A1 (en) * | 2020-03-09 | 2023-04-06 | Beijing Xiaomi Mobile Software Co., Ltd. | Channel switching method, apparatus, device, and readable storage medium |
| CN113973400A (en) * | 2020-07-24 | 2022-01-25 | 华为技术有限公司 | Method, device and system for establishing direct connection link and sending wireless local area network frame |
| WO2022124979A1 (en) * | 2020-12-10 | 2022-06-16 | Panasonic Intellectual Property Corporation Of America | Communication apparatus and communication method for multi-link peer to peer communication |
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- 2022-08-08 CN CN202210941496.7A patent/CN115474293A/en active Pending
- 2022-09-30 WO PCT/CN2022/123055 patent/WO2024031807A1/en unknown
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| Publication number | Publication date |
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| WO2024031807A1 (en) | 2024-02-15 |
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