CN104185172A - Wireless communication method and electronic system - Google Patents

Abstract

The invention provides a wireless communication method for establishing direct interconnection communication between a first electronic device and a second electronic device, comprising the following steps: controlling the first electronic device and the second electronic device to exchange communication information with each other, wherein the communication information includes first password information and includes at least one of first internet protocol information and first service information; and (b) after step , confirming the first cryptographic information. By utilizing the present invention, the time required to establish direct interconnect communication can be reduced.

Description

Wireless communication method and electronic system

technical field

The present invention relates to wireless communication networks, and in particular to wireless communication methods in wireless communication networks.

Background technique

Wireless Fidelity (Wireless Fidelity, Wi-Fi) direct interconnection (Wi-Fi Direct) is a communication technology that allows electronic devices to directly connect to each other for data exchange without going through an access point (Access Point, AP). Unlike the traditional wireless local area network (Local Area Network, LAN) technology, the network is built based on APs.

FIG. 1 is a schematic diagram of direct interconnection of two electronic devices using Wi-Fi according to the related art. Please refer to FIG. 1, the basic Wi-Fi direct interconnection scheme performs a one-to-one connection (one-to-one connection) between the first electronic device _E1 and the second electronic device _E2 , thereby forming a Wi-Fi direct interconnection. Connect to the network WD. Wherein, the first electronic device _E1 and the second electronic device _E2 can be two smart phones, a notebook and a mouse, a tablet personal computer and a printer, etc. The first electronic device _E1 and the second electronic device _E2 are directly connected to each other through the Wi-Fi Direct technology, thereby establishing an Internet connection or forming a network. In addition, the electronic device can form a network with one or more electronic devices in the vicinity of the electronic device, such as a digital camera, a Motion Picture Experts' Group Audio Layer 3 (MP3) player, a game console, a television, etc. . Thus, various forms of communication and transmission are possible. For example, pictures, music files or moving images contained in a smartphone can be easily transferred to another smartphone, documents and pictures stored in a tablet can be printed directly, contact information and smartphones in a computer Contact information in mobile phones can be synchronized with each other, and game consoles can be directly connected to play games.

FIG. 2 is a flowchart of steps of establishing Wi-Fi Direct interconnection between a first electronic device and a second electronic device according to the related art. The flowchart in Figure 2 includes the following steps:

Step 201: Search for electronic devices. For example, the user uses the first electronic device _E1 to search for nearby electronic devices supporting Wi-Fi direct interconnection, and the second electronic device _E2 is found.

Step 203: The first electronic device _E1 and the second electronic device _E2 exchange capability and configuration method information, wherein the above information indicates the services that the first electronic device _E1 and the second electronic device _E2 can provide.

Step 205: Carry out group owner (Group Owner, GO) negotiation. This step is used to determine which electronic device among the first electronic device _E1 and the second electronic device _E2 is the GO, and which electronic device is the group client (Group Client, GC). There are various mechanisms for determining the GO, for example, Media Access Control (MAC) address comparison or intent comparison.

Step 207: Set GO and GC according to the negotiation result in step 205.

Step 209: Exchanging password information (such as exchanging Wi-Fi Protected Setup (WPS)).

Step 211: Confirm password information (such as four-way handshake (4-way handshake)).

Step 213: Exchange Internet Protocol (Internet Protocol, IP) information (such as Dynamic Host Configuration Protocol (Dynamic Host Configuration Protocol, DHCP)).

Step 215: Exchanging service information, wherein the service information indicates that service is required.

It can be seen from the above description that multiple switching steps are required in the relevant technology to establish Wi-Fi direct interconnection, thus consuming a lot of time.

Contents of the invention

In view of this, the present invention provides a wireless communication method for establishing direct interconnection communication between a first electronic device and a second electronic device, the wireless communication method comprising: (a) controlling the first electronic device exchanging mutual communication information with the second electronic device, wherein the communication information includes first password information, and includes at least one of first Internet protocol information and first service information; and (b) in step (a ), confirm the first password information.

The present invention further provides an electronic system, including: a first electronic device; a second electronic device; and a control module, used to establish direct interconnection communication between the first electronic device and the second electronic device; wherein The control module controls the first electronic device and the second electronic device to exchange communication information with each other, the communication information includes first password information, and includes at least one of first Internet protocol information and first service information ; After exchanging the communication information, the control module confirms the first password information.

By utilizing the present invention, the time required to establish direct interconnect communications can be reduced.

Preferred embodiments of the present invention are described in detail below. Those skilled in the art can easily understand the spirit of the present invention after reading the following description and accompanying drawings.

Description of drawings

FIG. 1 is a schematic diagram of direct interconnection of two electronic devices using Wi-Fi according to the related art.

FIG. 2 is a flowchart of steps of establishing Wi-Fi Direct interconnection between a first electronic device and a second electronic device according to the related art.

Fig. 3 is a flowchart of a wireless communication method according to an embodiment of the present invention.

Fig. 4 is a flowchart of a wireless communication method according to another embodiment of the present invention.

FIG. 5 is a schematic diagram of a packet including the communication information in FIG. 3 and FIG. 4 .

FIG. 6 is a schematic diagram of an electronic system using the wireless communication method in FIG. 3 and FIG. 4 .

Detailed ways

Certain terms are used throughout this patent specification and claims to refer to particular components. It should be understood by those skilled in the art that hardware manufacturers may refer to the same component by different terms. The patent specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Includes" or "comprising" mentioned throughout the specification and claims are open-ended terms, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described in the text that a first device is coupled to a second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means. .

Fig. 3 is a flowchart of a wireless communication method according to an embodiment of the present invention. It should be noted that the present invention does not necessarily include all the steps in FIG. 3 . A wireless communication method is used to establish direct interconnection communication between a first electronic device and a second electronic device. Direct interconnect communication may conform to the above-mentioned Wi-Fi Direct interconnect standard, but may also conform to other wireless communication standards.

The flowchart in Figure 3 includes:

Step 301: Search for electronic devices. For example, the user uses the first electronic device _E1 to search for nearby electronic devices supporting Wi-Fi direct interconnection, and the second electronic device _E2 is found.

Step 303: Control the first electronic device and the second electronic device to exchange communication information with each other. The communication information includes password information (ie, the information in step 209 in FIG. 2 ), and includes at least one of IP information (ie, the information in step 213 in FIG. 2 ) and service information (ie, the information in step 215 in FIG. 2 ).

Step 307: After step 303, confirm the password information exchanged in step 303.

The communication information exchanged in step 303 may include other information. In another embodiment, the communication information includes capability and configuration method information (that is, the information in step 203 in FIG. 2 ). In another embodiment, the communication information includes group owner setting information for setting one of the first electronic device _E1 and the second electronic device _E2 as GO. The setting of GO can be based on the above-mentioned MAC address comparison or intent comparison. Alternatively, GO can be randomly set or directly assigned. In addition, in the embodiment shown in FIG. 3 , step 305 may be further included to set GO and GC according to the group owner setting information. In the embodiment of FIG. 4 , only GO is set according to the group owner information in step 401 , and the wireless communication method further includes step 403 to control the group owner to invite the second electronic device to join the group. For example, the first electronic device _E1 is set as GO in step 401, and the first electronic device _E1 invites the second electronic device _E2 to join the group where the first electronic device _E1 is GO.

As can be seen from the above description, the concept of the present invention can be summarized as:

Communication information is exchanged prior to confirmation of password information. Communication information includes password information (that is, the information in step 209 in Figure 2), and includes capability and configuration method information (that is, the information in Figure 2 step 203), group owner setting information (that is, the information in Figure 2 step 205) , IP information (that is, the information in step 213 in FIG. 2 ) and service information (that is, the information in step 215 in FIG. 2 ). If a certain information is not contained in the communication information, the information can be transmitted through other steps.

All data of the communication information can be included in a single packet (details will be described later). In addition, step 303 in FIG. 3 can exchange all data of the communication information in one time exchange.

Further embodiments can be obtained based on the above-described embodiments. For example, in one embodiment, the wireless communication method further includes a security verification step 309 without password information. For example, a black list can be used to block other electronic devices, or firmware encryption can be used to protect the communication between the first electronic device and the second electronic device. In another embodiment, the wireless communication method may further include a step of determining whether a package with specific content exists, and if there is the above-mentioned package, then perform steps 303 and 307 in FIG. 3 (that is, perform the wireless communication method according to the present invention), If the above packet does not exist, at least perform steps 209-215 in FIG. 2 (that is, perform the wireless communication method in the related art).

In addition, in an embodiment, both the direct interconnection communication and step 303 follow the same communication standard. For example, the direct interconnect communication and step 303 may follow the Wi-Fi standard. Furthermore, in another embodiment, the direct interconnection communication and step 303 may follow different communication standards. For example, the direct interconnection communication may follow the Wi-Fi standard (in-band), and step 303 follows the Near Field Communication (NFC) standard (out-of-band).

FIG. 5 is a schematic diagram of a packet including the communication information in FIG. 3 and FIG. 4 . As shown in FIG. 5 , the packet P includes a header, other information (such as information required for wireless connection, not the information mentioned in FIG. 3 and FIG. 4 ) and communication information. In this embodiment, "communication information" follows "other information", but the package can also arrange "other information" after "communication information".

FIG. 6 is a schematic diagram of an electronic system using the wireless communication method in FIG. 3 and FIG. 4 . As shown in FIG. 6 , the electronic system 600 includes a first electronic device E ₁ , a second electronic device E ₂ and a control module (ControlModule, CM). The control module CM is used to establish direct interconnection communication between the first electronic device _E1 and the second electronic device _E2 . The control module CM controls the first _E1 and the second electronic device _E2 to exchange communication information with each other (ie step 303 in FIG. 3 ). Furthermore, after exchanging communication information, the control module CM confirms the first password information (ie step 307 in FIG. 3 ).

The control module CM can also implement other embodiments, and for the sake of brevity, details are omitted here. The control module CM may be disposed within the first electronic device _E1 or the second electronic device _E2 . Alternatively, the control module CM can also be disposed outside the first electronic device _E1 and the second electronic device _E2 .

According to the above-described embodiments, by reducing the number of information exchange steps, the time required to establish direct interconnection communication between two electronic devices can be reduced. Sending all communications in a single packet or exchange further reduces the time required to establish direct interconnect communications.

Although the present invention has been disclosed above with respect to preferred embodiments, it is not intended to limit the present invention. Those skilled in the art to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be defined by the preceding claims.

Claims (22)

1. a wireless communications method, is used between the first electronic installation and second electronic device, setting up direct interconnection communication, and described wireless communications method comprises:

(a) control described the first electronic installation and described second electronic device and exchange the communication information each other, the wherein said communication information comprises first password information, and comprises at least one in the first Internet protocol information and first service information; And

(b) in step (a) afterwards, confirm described first password information.

2. wireless communications method as claimed in claim 1, is characterized in that, the wherein said communication information further comprises ability and collocation method information.

3. wireless communications method as claimed in claim 1, is characterized in that, the wherein said communication information further comprises group owner set information.

4. wireless communications method as claimed in claim 3, is characterized in that, wherein said group of owner's set information is set as organizing the owner by described the first electronic installation, and described wireless communications method further comprises:

(c) controlling the described group of owner, to invite described second electronic device to add described the first electronic installation be described group possessory group.

5. wireless communications method as claimed in claim 4, is characterized in that, wherein step (c) is carried out before in step (b).

6. wireless communications method as claimed in claim 1, is characterized in that, all data in the wherein said communication information include in single package.

7. wireless communications method as claimed in claim 1, is characterized in that, wherein step (a) exchanges all data of the described communication information in once exchanging.

8. wireless communications method as claimed in claim 1, is characterized in that, further comprises safety verification step, and wherein said safety verification step need not described first password information.

9. wireless communications method as claimed in claim 1, is characterized in that, Wireless Fidelity direct interconnection standard is followed in wherein said direct interconnection communication.

10. wireless communications method as claimed in claim 1, is characterized in that, further comprises:

(c) control described the first electronic installation and described second electronic device and exchange the second encrypted message;

(d) in step (c) afterwards, confirm described the second encrypted message;

(e) control described the first electronic installation and described second electronic device and exchange the second Internet protocol information;

(f) control described the first electronic installation and described second electronic device exchange second service information; And

(g) determine that whether the package with certain content exists, if do not exist, carries out step (c), (d), and carries out step (e) and step (f); If exist, carry out step (a) and (b).

11. wireless communications methods as claimed in claim 1, is characterized in that, described direct interconnection communication and described step (a) are all followed the first communication standard; Or the first communication standard is followed in described direct interconnection communication, described step (a) is followed second communication standard.

12. 1 kinds of electronic systems, comprising:

The first electronic installation;

Second electronic device; And

Control module, is used for setting up direct interconnection communication between described the first electronic installation and described second electronic device;

Described in wherein said control module control, the first electronic installation and described second electronic device exchange the communication information each other, and the described communication information comprises first password information, and comprise at least one in the first Internet protocol information and first service information; Exchange after the described communication information, described control module is confirmed described first password information.

13. electronic systems as claimed in claim 12, is characterized in that, the wherein said communication information further comprises ability and collocation method information.

14. electronic systems as claimed in claim 12, is characterized in that, the wherein said communication information further comprises group owner set information.

15. electronic systems as claimed in claim 14, it is characterized in that, wherein said control module utilizes described group of owner's set information that described the first electronic installation is set as organizing the owner, and to invite described second electronic device to add described the first electronic installation be described group possessory group.

16. electronic systems as claimed in claim 15, is characterized in that, before wherein said control module is confirmed described first password information, invite described second electronic device to add described group.

17. electronic systems as claimed in claim 12, is characterized in that, all data in the wherein said communication information include in single package.

18. electronic systems as claimed in claim 12, is characterized in that, the exchange in once exchanging of all data of the wherein said communication information.

19. electronic systems as claimed in claim 12, is characterized in that, described control module is further carried out safety verification step, and wherein said safety verification step need not described first password information.

20. electronic systems as claimed in claim 12, is characterized in that, Wireless Fidelity direct interconnection standard is followed in wherein said direct interconnection communication.

21. electronic systems as claimed in claim 12, it is characterized in that, wherein said control module determines whether the package with certain content exists, if exist, control described the first electronic installation and described second electronic device and exchange the communication information each other, and confirm described first password information after the described communication information of exchange; If do not exist, described control module is carried out following steps:

Control described the first electronic installation and described second electronic device and exchange the second encrypted message;

After described the second encrypted message of exchange, confirm described the second encrypted message;

Control described the first electronic installation and described second electronic device and exchange the second Internet protocol information;

Control described the first electronic installation and described second electronic device exchange second service information.

22. electronic systems as claimed in claim 12, is characterized in that, described direct interconnection communication and the exchange communication information each other are all followed the first communication standard; Or the first communication standard is followed in described direct interconnection communication, the exchange communication information is each other followed second communication standard.