CN110972329B - Communication method and system, base station, and computer-readable storage medium - Google Patents
Communication method and system, base station, and computer-readable storage medium Download PDFInfo
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- CN110972329B CN110972329B CN201811135556.6A CN201811135556A CN110972329B CN 110972329 B CN110972329 B CN 110972329B CN 201811135556 A CN201811135556 A CN 201811135556A CN 110972329 B CN110972329 B CN 110972329B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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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
Abstract
The present disclosure provides a communication method and system, a base station and a computer readable storage medium, which relate to the technical field of communication, wherein the method comprises the following steps: a base station receives a proximity service communication request message sent by a first terminal, wherein the proximity service communication request message carries an identifier of a second terminal; the base station judges whether the second terminal can carry out proximity service communication with the first terminal according to the identifier of the second terminal and the identifier of the terminal which is stored by the base station and can carry out proximity service communication with the first terminal; and under the condition that the second terminal can carry out proximity service communication with the first terminal, the base station sends a response message to the first terminal so that the first terminal can carry out communication with the second terminal.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a communication method and system, a base station, and a computer-readable storage medium.
Background
In the stage R12 of the 3GPP standard, it is expected that a common security function for direct communication between terminals can be realized through a mobile communication network. For example, direct communication between terminals may assist in completing rescue operations due to wireless access interruptions caused by disasters.
At present, if two terminals under the same base station establish proximity service communication, the two terminals need to be established through a core network each time, and a large amount of core network resources are occupied.
Disclosure of Invention
One technical problem to be solved by the embodiments of the present disclosure is: a communication method is provided to reduce the occupation of core network resources.
According to an aspect of the embodiments of the present disclosure, there is provided a communication method, including: a base station receives a proximity service communication request message sent by a first terminal, wherein the proximity service communication request message carries an identifier of a second terminal; the base station judges whether the second terminal can carry out proximity service communication with the first terminal according to the identifier of the second terminal and the identifier of the terminal which is stored by the base station and can carry out proximity service communication with the first terminal; and under the condition that the second terminal can carry out proximity service communication with the first terminal, the base station sends a response message to the first terminal so that the first terminal can carry out communication with the second terminal.
In some embodiments, the first terminal communicating with the second terminal comprises: the base station receives a channel request message sent by the first terminal, wherein the channel request message carries an identifier of a channel requested to be used by the first terminal; the base station sends a paging request message carrying the identifier of the channel to the second terminal under the condition that the channel is determined to be unoccupied, so that the second terminal returns a paging response message under the condition that the second terminal is determined to be capable of communicating with the first terminal through the channel; in response to the paging response message, the base station transmits a proximity service communication response message to the first terminal so that the first terminal and the second terminal communicate through the channel.
In some embodiments, the method further comprises: and the base station receives and stores the identification of the terminal which can carry out proximity service communication with the first terminal and is sent by the proximity service functional entity.
In some embodiments, the method further comprises: and when the first terminal moves from the base station to another base station, the base station deletes the identifier of the terminal capable of performing the proximity service communication with the first terminal according to the notification message sent by the other base station.
In some embodiments, the method further comprises: when the first terminal moves from another base station to the base station, the base station notifies the other base station to delete the identifier of a terminal capable of proximity service communication with the first terminal.
According to another aspect of the embodiments of the present disclosure, there is provided a base station, including: a receiving module, configured to receive a proximity service communication request message sent by a first terminal, where the proximity service communication request message carries an identifier of a second terminal; the judging module is used for judging whether the second terminal can carry out proximity service communication with the first terminal according to the identifier of the second terminal and the identifier of the terminal which is stored by the judging module and can carry out proximity service communication with the first terminal; a sending module, configured to send a response message to the first terminal under a condition that the second terminal can perform proximity service communication with the first terminal, so that the first terminal and the second terminal can perform communication.
In some embodiments, the receiving module is further configured to receive a channel request message sent by the first terminal, where the channel request message carries an identifier of a channel requested to be used by the first terminal; the sending module is further configured to send a paging request message carrying an identifier of the channel to the second terminal when it is determined that the channel is unoccupied, so that the second terminal returns a paging response message when it is determined that the second terminal can communicate with the first terminal through the channel; and responding to the paging response message, and sending a proximity service communication response message to the first terminal so that the first terminal and the second terminal can communicate through the channel.
In some embodiments, the receiving module is further configured to receive and store an identifier of a terminal capable of performing proximity service communication with the first terminal, which is sent by the proximity service function entity.
In some embodiments, the base station further comprises: and a deleting module, configured to delete, when the first terminal moves from the base station to another base station, an identifier of a terminal capable of performing proximity service communication with the first terminal according to a notification message sent by the another base station.
In some embodiments, the base station further comprises: a notification module, configured to notify another base station to delete an identifier of a terminal capable of performing proximity service communication with the first terminal when the first terminal moves from the another base station to the base station.
According to still another aspect of the embodiments of the present disclosure, there is provided a base station including: a memory; and a processor coupled to the memory, the processor configured to perform the method of any of the above embodiments based on instructions stored in the memory.
According to still another aspect of the embodiments of the present disclosure, there is provided a communication system including: the base station, the first terminal and the second terminal according to any of the above embodiments; the first terminal is used for sending a proximity service communication request message to the base station, wherein the proximity service communication request message carries an identifier of a second terminal; and the base station responds to a response message sent to the first terminal by the base station under the condition that the second terminal can carry out proximity service communication with the first terminal, and communicates with the second terminal.
According to a further aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer program instructions, which when executed by a processor, implement the method according to any one of the embodiments described above.
In the embodiment of the disclosure, the base station stores the identifier of the terminal capable of performing proximity service communication with the first terminal, and when the first terminal requests the proximity service communication with the second terminal, the base station may directly determine whether the second terminal is capable of performing the proximity service communication with the first terminal, and authentication by the core network is not required, so that occupation of resources of the core network is reduced.
The technical solution of the present disclosure is further described in detail by the accompanying drawings and examples.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flow diagram of a communication method according to some embodiments of the present disclosure;
FIG. 2 is a flow diagram of a communication method according to further embodiments of the present disclosure;
fig. 3 is a schematic structural diagram of a base station according to some embodiments of the present disclosure;
FIG. 4 is a schematic block diagram of a base station according to further embodiments of the present disclosure;
fig. 5 is a schematic structural diagram of a base station according to further embodiments of the present disclosure;
fig. 6 is a schematic structural diagram of a base station according to further embodiments of the present disclosure;
fig. 7 is a schematic structural diagram of a communication system according to some embodiments of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a flow diagram of a communication method according to some embodiments of the present disclosure.
In step 102, the base station receives a proximity service communication request message sent by the first terminal, where the proximity service communication request message carries an identifier of the second terminal.
In step 104, the base station determines whether the second terminal can perform proximity service communication with the first terminal according to the identifier of the second terminal and the identifier of the terminal which is stored by the base station and can perform proximity service communication with the first terminal. Here, the terminal capable of proximity service communication with the first terminal and the first terminal both reside under the base station.
In some embodiments, the base station may receive and store an identification of a terminal capable of proximity service communication with the first terminal sent by a proximity service Function (ProSe Function (s)). If the identifier of the second terminal is in the identifier of the terminal stored in the base station, the second terminal can carry out proximity service communication with the first terminal; if the identifier of the second terminal is not among the identifiers of the terminals stored in the base station, the second terminal cannot perform proximity service communication with the first terminal.
In some embodiments, in the case where the first terminal moves from the base station to another base station, the base station may delete the identification of the terminal capable of proximity service communication with the first terminal according to a notification message transmitted by another base station to free up space of the base station. In addition, the base station may notify another base station after deleting the identification of the terminal capable of proximity service communication with the first terminal.
In other embodiments, in the event that the first terminal moves from another base station to the base station, the base station may notify the other base station to remove the identity of the terminal capable of proximity service communication with the first terminal to free space for the other base station.
In step 106, in case that the second terminal can perform the proximity service communication with the first terminal, the base station transmits a response message to the first terminal so that the first terminal can perform the communication with the second terminal.
Under the condition that the second terminal can perform proximity service communication with the first terminal, the first terminal can directly perform communication with the second terminal without core network authentication.
In the above embodiment, the base station stores the identifier of the terminal capable of performing proximity service communication with the first terminal, and when the first terminal requests the proximity service communication with the second terminal, the base station may directly determine whether the second terminal is capable of performing the proximity service communication with the first terminal, and authentication by the core network is not required, so that the occupation of resources of the core network is reduced.
In some implementations, the step of the first terminal communicating with the second terminal may include steps 108-116 shown in fig. 1.
In step 108, the base station receives a channel request message sent by the first terminal, where the channel request message carries an identifier of a channel requested to be used by the first terminal.
For example, the first terminal may randomly select a channel that is not occupied by itself as the channel requested to be used by the first terminal.
In step 110, the base station sends a paging request message carrying the identifier of the channel to the second terminal in case that it is determined that the channel is not occupied.
For example, the base station may check whether other terminals occupy the channel requested to be used by the first terminal, and if not, may directly send a paging request message to the second terminal; if so, the base station may instruct the first terminal to reselect the channel requested for use, or may recommend a channel for the first terminal to perform proximity communication with the second terminal.
In step 112, a paging response message returned by the second terminal in case of determining that the second terminal can communicate with the first terminal through the channel requested to be used by the first terminal is received.
In the case where it is determined that the communication with the first terminal can be performed through the channel requested to be used by the first terminal, the second terminal returns a page response message to the base station. Otherwise, the second terminal does not return a paging response message to the base station.
In step 114, the base station transmits a proximity service communication response message to the first terminal in response to the paging response message.
And after receiving the proximity service communication response message, the first terminal confirms that the proximity service communication can be carried out with the second terminal through the channel which is requested to be used previously.
At step 116, the first terminal communicates proximity services with the second terminal over the previously requested channel.
Fig. 2 is a flow diagram of a communication method according to further embodiments of the present disclosure.
In step 202, the first terminal sends a proximity service request message to the ProSe function entity, where the message carries a ProSe user identifier (i.e., an identifier of the first terminal) allocated by the ProSe function entity to the first terminal, an identifier ID of the application, an application identifier AUID1 allocated by the application to the first terminal, an application identifier AUID2 allocated by the application to the second terminal, and a location of the first terminal.
Here, the second terminal may be one or a plurality of terminals.
In step 204, the ProSe function entity sends the identification ID of the application and the application identification AUID2 of the second terminal to the application server.
In step 206, the application server searches for the ProSe user identity of the second terminal (i.e. the identity of the second terminal mentioned above) corresponding to the application identity AUID2 of the second terminal according to the identity ID of the application.
In step 208, the ProSe function entity queries ProSe subscription information of the second terminal from the home server, i.e. whether the second terminal has subscribed to the proximity service. After determining that the second terminal has subscribed to the proximity service, step 210 is performed.
In step 210, the ProSe function entity locates the second terminal to determine whether the distance between the second terminal and the first terminal is less than a preset distance. If the distance is less than the predetermined distance, step 212 is executed.
In step 212 it is verified whether the proximity services traffic of the second terminal is available.
For example, the second terminal may suspend use of the proximity services traffic in some cases. In case it is determined that the proximity service traffic of the second terminal can be used, step 214 is performed.
In step 214, the ProSe user identifier of the first terminal and the ProSe user identifier of the second terminal are sent to the base station, so that the base station stores the corresponding relationship between the ProSe user identifier of the first terminal and the ProSe user identifier of the second terminal.
Through the flow shown in fig. 2, the base station may maintain the identities of all second terminals capable of proximity service communication with the first terminal. Subsequently, the first terminal may communicate with the second terminal through the process shown in fig. 1. In this way, since the second terminal and the first terminal have already passed the authentication of the core network before the proximity service communication is performed, the security of the communication between the first terminal and the second terminal can be ensured.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. For the base station embodiment, since it basically corresponds to the method embodiment, the description is relatively simple, and for the relevant points, refer to the partial description of the method embodiment.
Fig. 3 is a schematic structural diagram of a base station according to some embodiments of the present disclosure.
As shown in fig. 3, the base station of this embodiment includes a receiving module 301, a determining module 302, and a transmitting module 303.
The receiving module 301 is configured to receive a proximity service communication request message sent by a first terminal, where the proximity service communication request message carries an identifier of a second terminal. In some embodiments, the receiving module 301 is further configured to receive and store an identifier of a terminal capable of performing proximity service communication with the first terminal, which is sent by the proximity service function entity.
The judging module 302 is configured to judge whether the second terminal can perform proximity service communication with the first terminal according to the identifier of the second terminal and the identifier of the terminal that is stored in the judging module and is capable of performing proximity service communication with the first terminal.
The sending module 303 is configured to send a response message to the first terminal so that the first terminal communicates with the second terminal, if the second terminal can perform proximity service communication with the first terminal.
In some embodiments, the receiving module 301 is further configured to receive a channel request message sent by the first terminal, where the channel request message carries an identifier of a channel requested to be used by the first terminal; the sending module 303 is further configured to send a paging request message carrying an identifier of the channel to the second terminal when it is determined that the channel is not occupied, so that the second terminal returns a paging response message when it is determined that the second terminal can communicate with the first terminal through the channel; and sending a proximity service communication response message to the first terminal in response to the paging response message so that the first terminal and the second terminal communicate through the channel.
Fig. 4 is a schematic structural diagram of a base station according to further embodiments of the present disclosure.
Compared with the embodiment shown in fig. 3, the base station of this embodiment further includes at least one of a deletion module 401 and a notification module 402.
The deleting module 401 is configured to delete, when the first terminal moves from the base station to another base station, an identifier of a terminal capable of performing proximity service communication with the first terminal according to a notification message sent by another base station. The notifying module 402 is configured to notify another base station to delete the identifier of the terminal capable of performing the proximity service communication with the first terminal, when the first terminal moves from the another base station to the base station.
Fig. 5 is a schematic structural diagram of a base station according to further embodiments of the present disclosure.
As shown in fig. 5, the base station of this embodiment includes a memory 501 and a processor 502. The memory 501 may be a magnetic disk, flash memory, or any other non-volatile storage medium. The memory 501 is used for storing instructions corresponding to the method of any one of the foregoing embodiments. Coupled to the memory 501, the processor 502 may be implemented as one or more integrated circuits, such as a microprocessor or microcontroller. The processor 502 is used to execute instructions stored in the memory 501.
Fig. 6 is a schematic structural diagram of a base station according to further embodiments of the present disclosure.
As shown in fig. 6, the base station 600 of this embodiment includes a memory 601 and a processor 602. The processor 602 is coupled to the memory 601 through a BUS (BUS) 603. The base station 600 may also be connected to an external storage 605 via a storage interface 604 for invoking external data, and may also be connected to a network or an external computer system (not shown) via a network interface 606.
Fig. 7 is a schematic structural diagram of a communication system according to some embodiments of the present disclosure.
As shown in fig. 7, the communication system includes the base station 701, the first terminal 702, and the second terminal 703 of any of the above embodiments.
The first terminal 702 is configured to send a proximity service communication request message to the base station 701, where the proximity service communication request message carries an identifier of a second terminal; the base station 701 performs communication with the second terminal 703 in response to a response message transmitted to the first terminal 702 when the second terminal 703 can perform proximity service communication with the first terminal 701.
The present disclosure also provides a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the method of any of the preceding embodiments.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, apparatus, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams 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.
Thus far, the present disclosure has been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (11)
1. A method of communication, comprising:
a base station receives a proximity service communication request message sent by a first terminal, wherein the proximity service communication request message carries an identifier of a second terminal;
the base station judges whether the second terminal can carry out proximity service communication with the first terminal according to the identifier of the second terminal and the identifier of the terminal which is stored by the base station and can carry out proximity service communication with the first terminal;
under the condition that the second terminal can carry out proximity service communication with the first terminal, the base station sends a response message to the first terminal;
the base station receives a channel request message sent by the first terminal, wherein the channel request message carries an identifier of a channel requested to be used by the first terminal;
the base station sends a paging request message carrying the identifier of the channel to the second terminal under the condition that the channel is determined to be unoccupied, so that the second terminal returns a paging response message under the condition that the second terminal is determined to be capable of communicating with the first terminal through the channel;
in response to the paging response message, the base station transmits a proximity service communication response message to the first terminal so that the first terminal and the second terminal communicate through the channel.
2. The method of claim 1, further comprising:
and the base station receives and stores the identification of the terminal which can carry out proximity service communication with the first terminal and is sent by the proximity service functional entity.
3. The method of claim 1, further comprising:
and when the first terminal moves from the base station to another base station, the base station deletes the identifier of the terminal capable of performing the proximity service communication with the first terminal according to the notification message sent by the other base station.
4. The method of claim 1, further comprising:
when the first terminal moves from another base station to the base station, the base station notifies the other base station to delete the identifier of a terminal capable of proximity service communication with the first terminal.
5. A base station, comprising:
a receiving module, configured to receive a proximity service communication request message sent by a first terminal, where the proximity service communication request message carries an identifier of a second terminal; receiving a channel request message sent by the first terminal, wherein the channel request message carries an identifier of a channel requested to be used by the first terminal;
the judging module is used for judging whether the second terminal can carry out proximity service communication with the first terminal according to the identifier of the second terminal and the identifier of the terminal which is stored by the judging module and can carry out proximity service communication with the first terminal;
a sending module, configured to send a response message to the first terminal when the second terminal can perform proximity service communication with the first terminal; sending a paging request message carrying the identifier of the channel to the second terminal under the condition that the channel is determined to be unoccupied, so that the second terminal returns a paging response message under the condition that the second terminal is determined to be capable of communicating with the first terminal through the channel; and responding to the paging response message, and sending a proximity service communication response message to the first terminal so that the first terminal and the second terminal can communicate through the channel.
6. The base station of claim 5, wherein the receiving module is further configured to receive and store an identifier of a terminal capable of performing proximity service communication with the first terminal, which is sent by a proximity service function entity.
7. The base station of claim 5, further comprising:
and a deleting module, configured to delete, when the first terminal moves from the base station to another base station, an identifier of a terminal capable of performing proximity service communication with the first terminal according to a notification message sent by the another base station.
8. The base station of claim 5, further comprising:
a notification module, configured to notify another base station to delete an identifier of a terminal capable of performing proximity service communication with the first terminal when the first terminal moves from the another base station to the base station.
9. A base station, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of any of claims 1-4 based on instructions stored in the memory.
10. A communication system, comprising: the base station, the first terminal and the second terminal according to any of claims 5-9;
the first terminal is used for sending a proximity service communication request message to the base station, wherein the proximity service communication request message carries an identifier of a second terminal; and the base station responds to a response message sent to the first terminal by the base station under the condition that the second terminal can carry out proximity service communication with the first terminal, and communicates with the second terminal.
11. A computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method of any one of claims 1-4.
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| CN103974429A (en) * | 2013-02-05 | 2014-08-06 | 电信科学技术研究院 | Method and device for establishing paths of adjacent communication between terminals |
| CN104053192A (en) * | 2013-03-12 | 2014-09-17 | 电信科学技术研究院 | Method for establishing proximity communication, device and system |
| CN104105050A (en) * | 2013-04-01 | 2014-10-15 | 电信科学技术研究院 | Adjacent communication service realizing method and device |
| CN103369585A (en) * | 2013-04-24 | 2013-10-23 | 华为技术有限公司 | Method and device for rapidly establishing D2D (Device-to-Device) communication |
| CN104244443A (en) * | 2013-06-08 | 2014-12-24 | 中国移动通信集团公司 | End-to-end connection establishment method and mobile management entity (MME) |
| CN104469961A (en) * | 2013-09-25 | 2015-03-25 | 中兴通讯股份有限公司 | Device-to-device communication method, device and system |
| CN106559903A (en) * | 2015-09-29 | 2017-04-05 | 华为技术有限公司 | End-to-end communication link establishing method, access point and website |
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