Direct connection method and system based on WiFi and related equipment

Abstract

The invention provides a WiFi-based direct connection method, a WiFi-based direct connection system and related equipment. The method is used for receiving communication data from sending equipment in the same WiFi channel by receiving equipment, or is used for sending the communication data to the receiving equipment in the same WiFi channel by the sending equipment. The method provided by the invention is based on a wireless network architecture without a basic service cluster, compared with the prior art, the negotiation connection process of WiFi P2P is omitted in the process of carrying out direct connection on the sending equipment and the receiving equipment through WiFi, the effectiveness of data transmission is ensured, the complexity of WiFi direct connection is reduced, the connection efficiency of a data path is improved, and the user experience is improved. And the user experience is improved.

Description

Technical Field

[0001] The present invention is applicable to the field of wireless transmission technology, and in particular relates to a WiFi-based direct connection method, system and related equipment. Background Art

[0002] WiFi P2P (Peer-to-Peer) is a protocol released by the WiFi Alliance. This protocol allows devices in a WiFi wireless network to connect to each other without going through a wireless router, and directly realizes point-to-point communication between two devices through the WiFi wireless network. The principle of this technology is similar to the communication method based on AP (access point). Devices that support WiFi P2P can transfer data to each other within the same group.

[0003] Generally, in the WiFi P2P protocol, the connection process between devices has the following stages:

[0004] 1. WiFi P2P device discovery phase;

[0005] 2. Group Owner Negotiation, GO (group owner) negotiation phase;

[0006] 3. WPS configuration stage;

[0007] 4. WiFi connection stage.

[0008] After the WiFi connection between different devices is completed, the entire data transmission link establishment process is completed. It can be seen that the process includes the basic steps of discovery, negotiation, and configuration, among which negotiation and configuration is a complex and time-consuming process. Due to the cumbersome process, negotiation and configuration failures between different devices are also prone to occur, or connection problems caused by protocol compatibility. Summary of the invention

[0009] The present invention provides a WiFi-based direct connection method, system and related equipment, aiming to solve the technical problems that the existing WiFi device connection process is cumbersome, time-consuming and prone to failure.

[0010] In order to solve the above technical problems, in a first aspect, the present invention provides a direct connection method based on WiFi, wherein the direct connection method is used for a receiving device to receive communication data from a sending device in the same WiFi channel, and the direct connection method comprises the following steps:

[0011] S101, initializing the WiFi wireless network module and configuring a preset WiFi channel;

[0012] S102, monitoring preset action frame data in the preset WiFi channel;

[0013] S103, determining whether the preset action frame data is generated by the sending device, and if so, parsing the device information of the sending device from the preset action frame data;

[0014] S104, monitoring and acquiring preset data frame data generated by the sending device from the preset WiFi channel according to the device information of the sending device;

[0015] S105: parse the communication data from the preset data frame data.

[0016] Furthermore, the direct connection method further comprises the following steps:

[0017] S106, determining whether the preset action frame data is not monitored in the preset WiFi channel within a preset time period, and if so, ending the reception of the preset data frame data generated by the sending device.

[0018] Furthermore, the preset action frame data and the preset data frame data are based on IEEE 802.11 format frames, wherein:

[0019] The header of the preset action frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset action frame data includes an action frame creation time, a length of data to be received, and a queuing time for transmission delay synchronization;

[0020] The To DS and From DS field flags of the preset data frame data are set to 0, the packet header of the preset data frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset data frame data includes a transmission number and the communication data corresponding to the transmission number.

[0021] In a second aspect, the present invention further provides a direct connection method based on WiFi, wherein the direct connection method is used for a sending device to send communication data to a receiving device in the same WiFi channel, and the direct connection method comprises the following steps:

[0022] S201, initializing the WiFi wireless network module and configuring a preset WiFi channel;

[0023] S202, constructing preset action frame data and corresponding preset data frame data, wherein the preset action frame data includes device information of the sending device;

[0024] S203, sending the preset action frame data on the preset WiFi channel, and sending the preset data frame data at the same time, wherein the preset action frame data is continuously sent before all the preset data frame data are sent completely.

[0025] Furthermore, the preset action frame data and the preset data frame data are based on IEEE 802.11 format frames, wherein:

[0026] The header of the preset action frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset action frame data includes an action frame creation time, a length of data to be received, and a queuing time for transmission delay synchronization;

[0027] The To DS and From DS field flags of the preset data frame data are set to 0, the packet header of the preset data frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset data frame data includes a transmission number and the communication data corresponding to the transmission number.

[0028] In a third aspect, the present invention further provides a receiving device for receiving communication data from a sending device in the same WiFi channel, comprising:

[0029] A receiving initialization module is used to initialize the WiFi wireless network module and configure a preset WiFi channel;

[0030] An action monitoring module, used for monitoring preset action frame data in the preset WiFi channel;

[0031] an action determination module, configured to determine whether the preset action frame data is generated by the sending device, and if so, to parse the device information of the sending device from the preset action frame data;

[0032] A data monitoring module, used to monitor and obtain preset data frame data generated by the sending device from the preset WiFi channel according to the device information of the sending device;

[0033] The data parsing module is used to parse the communication data from the preset data frame data.

[0034] In a fourth aspect, the present invention further provides a sending device for sending communication data to a receiving device in the same WiFi channel, comprising:

[0035] Send initialization module, used to initialize the WiFi wireless network module and configure the preset WiFi channel;

[0036] A data construction module, used to construct preset action frame data and corresponding preset data frame data, wherein the preset action frame data includes device information of the sending device;

[0037] The data sending module is used to send the preset action frame data and the preset data frame data on the preset WiFi channel, wherein the preset action frame data is continuously sent before all the preset data frame data are sent.

[0038] In a sixth aspect, the present invention also provides a WiFi-based direct connection system, comprising the receiving device and the sending device as described above.

[0039] In a seventh aspect, the present invention further provides a computer device, comprising: a memory, a processor, and a WiFi-based direct connection program stored in the memory and executable on the processor, wherein the processor implements the steps in the WiFi-based direct connection method as described in any one of the above when executing the WiFi-based direct connection program.

[0040] In an eighth aspect, the present invention further provides a computer-readable storage medium, on which a WiFi-based direct connection program is stored, and when the WiFi-based direct connection program is executed by a processor, the steps in the WiFi-based direct connection method as described in any one of the above are implemented.

[0041] The beneficial effect achieved by the present invention is that a WiFi direct connection method for optimizing the connection process is proposed. The method is based on a wireless network architecture without a basic service cluster. Compared with the prior art, the WiFi P2P negotiation connection process is omitted in the process of direct connection between sending and receiving devices via WiFi, and the effectiveness of data transmission is guaranteed, the complexity of WiFi direct connection is reduced, and the connection efficiency of the data path is improved, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 1 is a schematic diagram of a step flow of a WiFi-based direct connection method provided by an embodiment of the present invention;

[0043] Figure 2 1 is a schematic diagram of a step flow of another WiFi-based direct connection method provided by an embodiment of the present invention;

[0044] Figure 3 is a schematic structural diagram of a WiFi-based direct connection system provided in an embodiment of the present invention;

[0045] Figure 4 It is a structural diagram of a computer device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0047] Embodiment 1

[0048] Please refer to Figure 1 , Figure 1 1 is a schematic flow chart of a step of a direct connection method based on WiFi provided in an embodiment of the present invention. The direct connection method is used for a receiving device to receive communication data from a sending device in the same WiFi channel. In an embodiment of the present invention, a WiFi wireless network module for communication is provided in the receiving device. The direct connection method includes the following steps:

[0049] S101, initializing the WiFi wireless network module and configuring a preset WiFi channel;

[0050] S102, monitoring preset action frame data in the preset WiFi channel;

[0051] S103, determining whether the preset action frame data is generated by the sending device, and if so, parsing the device information of the sending device from the preset action frame data;

[0052] S104, monitoring and acquiring preset data frame data generated by the sending device from the preset WiFi channel according to the device information of the sending device;

[0053] S105: parse the communication data from the preset data frame data.

[0054] The direct connection method further comprises the following steps:

[0055] S106, determining whether the preset action frame data is not monitored in the preset WiFi channel within a preset time period, and if so, ending the reception of the preset data frame data generated by the sending device, and removing the device information of the sending device.

[0056] The purpose of step S106 is that in the scenario of the WiFi-based direct connection method provided in the embodiment of the present invention, the receiving device and the sending device are connected point-to-point. Therefore, after the data transmission is completed, it is necessary to stop data reception and remove the device information of the current point-to-point connection to listen for the connection request of the next device.

[0057] Specifically, please refer to Table 1 and Table 2, which are data packet fields of preset action frame data and preset data frame data provided in embodiments of the present invention, respectively. The preset action frame data and the preset data frame data are based on IEEE 802.11 format frames, wherein:

[0058] The header of the preset action frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset action frame data includes an action frame creation time, a length of data to be received, and a queuing time for transmission delay synchronization;

[0059] The To DS and From DS field flags of the preset data frame data are set to 0, the packet header of the preset data frame data includes an organizational unique identifier (OUI) for identifying a direct connection between the receiving device and the sending device, and the data of the preset data frame data includes a transmission number and the communication data corresponding to the transmission number.

[0060] Table 1 Preset action frame data packet fields

[0061]

[0062] As shown in Table 1 above, the preset action frame data in the embodiment of the present invention uses a custom IEEE802.11 action frame. Based on the protocol, an organizational unique identifier can be used to implement an IEEE802.11 frame with any payload during implementation. The action frame data implemented based on IEEE 802.11 in the embodiment of the present invention can extend a fixed-size header and multiple IE fields. The fixed header mainly includes static values, such as a specific BSSID, OUI, version and type; the IE consists of a 1-byte type field and a 2-byte length field, and the length field indicates the length of the subsequent data frame (the length of the data to be received). The two timestamps represent the creation time of the action frame. According to the timestamp, it can be determined whether the information contained in the action frame data is the latest (TTx, Target), as well as the actual transmission delay synchronization queuing time (TTx, PHY). The difference between the creation time and the queuing time is close to the transmission delay of the sending device, which can be used to achieve data synchronization during implementation.

[0063] Table 2 Preset data frame data packet fields

[0064]

[0065] Similarly, the embodiment of the present invention uses IEEE 802.11 data frames for data transmission. Among them, the To DS and From DS flags in Framecontrol are set to 0, which means that in actual data transmission, these data frames will be directly addressed, and the three address fields are used for the destination, source and destination, and BSSID respectively. As shown in Table 2 above, the BSSID in the data frame data is always a fixed address, which is used to assign the OUI to the sending device or the receiving device; the LLC header contains different OUIs and protocol IDs in the SNAP part, and these IEs are part of the IEEE 802.11 standard; the data header mainly consists of a sequence of transmission protocol numbers and EtherType. It can be seen that, excluding the part of the protocol standard, the data header and the communication data (Data) actually transmitted constitute the data frame data in the embodiment of the present invention.

[0066] Embodiment 2

[0067] The present invention also provides another embodiment, please refer to Figure 2 , Figure 2 1 is a schematic flow chart of another method for direct connection based on WiFi provided in an embodiment of the present invention. The method for direct connection is used for a sending device to send communication data to a receiving device in the same WiFi channel. In an embodiment of the present invention, a WiFi wireless network module for communication is provided in the sending device. The method for direct connection includes the following steps:

[0068] S201, initializing the WiFi wireless network module and configuring a preset WiFi channel;

[0069] S202, constructing preset action frame data and corresponding preset data frame data, wherein the preset action frame data includes device information of the sending device;

[0070] S203, sending the preset action frame data on the preset WiFi channel, and sending the preset data frame data at the same time, wherein the preset action frame data is continuously sent before all the preset data frame data are sent completely.

[0071] Specifically, the preset action frame data and the preset data frame data are based on IEEE 802.11 format frames, wherein:

[0072] The header of the preset action frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset action frame data includes an action frame creation time, a length of data to be received, and a queuing time for transmission delay synchronization;

[0073] The To DS and From DS field flags of the preset data frame data are set to 0, the packet header of the preset data frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset data frame data includes a transmission number and the communication data corresponding to the transmission number.

[0074] The beneficial effect achieved by the present invention is that a WiFi direct connection method for optimizing the connection process is proposed. The method is based on a wireless network architecture without a basic service cluster. Compared with the prior art, the WiFi P2P negotiation connection process is omitted in the process of direct connection between sending and receiving devices via WiFi, and the effectiveness of data transmission is guaranteed, the complexity of WiFi direct connection is reduced, and the connection efficiency of the data path is improved, thereby improving the user experience.

[0075] It is understandable that the methods disclosed in Example 1 and Example 2 are implemented by different devices, and their sending and receiving processes are not mutually exclusive. In the same time period, the methods disclosed in Example 1 and Example 2 can be executed simultaneously by different devices, and each implements data interaction. In a possible usage scenario, the methods disclosed in Example 1 and Example 2 are implemented by the sending and receiving devices in the same screen system, respectively, to achieve a wireless screen projection effect.

[0076] Embodiment 3

[0077] The embodiment of the present invention further provides a receiving device 301, which is used to receive communication data from a sending device 302 in the same WiFi channel, including:

[0078] A receiving initialization module 3011 is used to initialize the WiFi wireless network module and configure a preset WiFi channel;

[0079] An action monitoring module 3012 is used to monitor preset action frame data in the preset WiFi channel;

[0080] An action determination module 3013 is used to determine whether the preset action frame data is generated by the sending device, and if so, to parse the device information of the sending device from the preset action frame data;

[0081] The data monitoring module 3014 is used to monitor and obtain preset data frame data generated by the sending device from the preset WiFi channel according to the device information of the sending device;

[0082] The data parsing module 3015 is used to parse the communication data from the preset data frame data.

[0083] The embodiment of the present invention further provides a sending device 302, which is used to send communication data to a receiving device 301 in the same WiFi channel, including:

[0084] The sending initialization module 3021 is used to initialize the WiFi wireless network module and configure a preset WiFi channel;

[0085] A data construction module 3022, configured to construct preset action frame data and corresponding preset data frame data, wherein the preset action frame data includes device information of the sending device;

[0086] The data sending module 3023 is used to send the preset action frame data and the preset data frame data on the preset WiFi channel, wherein the preset action frame data is continuously sent before all the preset data frame data are sent.

[0087] Please refer to Figure 3 The embodiment of the present invention further provides a WiFi-based direct connection system 300, including the above-mentioned receiving device 301 and sending device 302. The WiFi-based direct connection system 300 can implement the steps in the WiFi-based direct connection method in the above-mentioned embodiment, and can achieve the same technical effect, refer to the description in the above-mentioned embodiment, and will not be repeated here.

[0088] Embodiment 4

[0089] The embodiment of the present invention also provides a computer device, please refer to Figure 4 , Figure 4 4 is a schematic diagram of the structure of a computer device provided in an embodiment of the present invention. The computer device 400 includes: a memory 402, a processor 401, and a WiFi-based direct connection program stored in the memory 402 and executable on the processor 401.

[0090] The processor 401 calls the WiFi-based direct connection program stored in the memory 402 to execute the steps of the WiFi-based direct connection method provided in the embodiment of the present invention, wherein the direct connection method is used for a receiving device to receive communication data from a sending device in the same WiFi channel. Figure 1 , specifically including the following steps:

[0091] S101, initializing the WiFi module and configuring a preset WiFi channel;

[0092] S102, monitoring preset action frame data in the preset WiFi channel;

[0093] S103, determining whether the preset action frame data is generated by the sending device, and if so, parsing the device information of the sending device from the preset action frame data;

[0094] S104, monitoring and acquiring preset data frame data generated by the sending device from the preset WiFi channel according to the device information of the sending device;

[0095] S105: parse the communication data from the preset data frame data.

[0096] The direct connection method further comprises the following steps:

[0097] S106, determining whether the preset action frame data is not monitored in the preset WiFi channel within a preset time period, and if so, ending the reception of the preset data frame data generated by the sending device, and removing the device information of the sending device.

[0098] Specifically, the preset action frame data and the preset data frame data are based on IEEE 802.11 format frames, wherein:

[0099] The packet header of the preset action frame data includes an organization unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset action frame data includes an action frame creation time, a length of data to be received, and a queuing time for transmission delay synchronization;

[0100] The To DS and From DS field flags of the preset data frame data are set to 0, the packet header of the preset data frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset data frame data includes a transmission number and the communication data corresponding to the transmission number.

[0101] And, the processor 401 calls the WiFi-based direct connection program stored in the memory 402 to execute the steps in the WiFi-based direct connection method provided in the embodiment of the present invention, wherein the direct connection method is used for a sending device to send communication data to a receiving device in the same WiFi channel. Figure 2 , specifically including the following steps:

[0102] S201, initializing the WiFi wireless network module and configuring a preset WiFi channel;

[0103] S202, constructing preset action frame data and corresponding preset data frame data, wherein the preset action frame data includes device information of the sending device;

[0104] S203, sending the preset action frame data on the preset WiFi channel, and sending the preset data frame data at the same time, wherein the preset action frame data is continuously sent before all the preset data frame data are sent completely.

[0105] Specifically, the preset action frame data and the preset data frame data are based on IEEE 802.11 format frames, wherein:

[0106] The packet header of the preset action frame data includes an organization unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset action frame data includes an action frame creation time, a length of data to be received, and a queuing time for transmission delay synchronization;

[0107] The To DS and From DS field flags of the preset data frame data are set to 0, the packet header of the preset data frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset data frame data includes a transmission number and the communication data corresponding to the transmission number.

[0108] The computer device 300 provided in the embodiment of the present invention can implement the steps in the WiFi-based direct connection method in the above embodiment, and can achieve the same technical effects. Please refer to the description in the above embodiment, which will not be repeated here.

[0109] Embodiment 5

[0110] An embodiment of the present invention further provides a computer-readable storage medium, on which a WiFi-based direct connection program is stored. When the WiFi-based direct connection program is executed by a processor, the various processes and steps in the WiFi-based direct connection method provided in the embodiment of the present invention are implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

[0111] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiments can be implemented by instructing related hardware (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) through a WiFi-based direct connection program, and the program can be stored in a computer-readable storage medium, and when the program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, the storage medium can be a disk, an optical disk, a read-only memory (ROM) or a random access memory (RAM), etc.

[0112] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0113] The embodiments of the present invention are described above in conjunction with the accompanying drawings. What is disclosed is only the preferred embodiment of the present invention. However, the present invention is not limited to the above-mentioned specific implementation manner. The above-mentioned specific implementation manner is only illustrative rather than restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms and equivalent changes without departing from the scope of protection of the purpose of the present invention and the claims, all of which are within the protection of the present invention.

Claims

1. A direct connection method based on WiFi, wherein the direct connection method is used for a receiving device to receive communication data from a sending device in the same WiFi channel, characterized in that: The direct connection method comprises the following steps: S101, initializing the WiFi wireless network module and configuring a preset WiFi channel; S102, monitoring preset action frame data in the preset WiFi channel; S103, determining whether the preset action frame data is generated by the sending device, and if so, parsing the device information of the sending device from the preset action frame data; S104, monitoring and acquiring preset data frame data generated by the sending device from the preset WiFi channel according to the device information of the sending device; S105: parse the communication data from the preset data frame data.

2. The WiFi-based direct connection method according to claim 1, characterized in that: The direct connection method further comprises the following steps: S106, determining whether the preset action frame data is monitored in the preset WiFi channel within a preset time period, and if so, ending the reception of the preset data frame data generated by the sending device, and removing the device information of the sending device.

3. The WiFi-based direct connection method according to claim 1, characterized in that: The preset action frame data and the preset data frame data are based on IEEE 802.11 format frames, wherein: The header of the preset action frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset action frame data includes an action frame creation time, a length of data to be received, and a queuing time for transmission delay synchronization; The To DS and From DS field flags of the preset data frame data are set to 0, the packet header of the preset data frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset data frame data includes a transmission number and the communication data corresponding to the transmission number.

4. A direct connection method based on WiFi, wherein the direct connection method is used for a sending device to send communication data to a receiving device in the same WiFi channel, characterized in that: The direct connection method comprises the following steps: S201, initializing the WiFi wireless network module and configuring a preset WiFi channel; S202, constructing preset action frame data and corresponding preset data frame data, wherein the preset action frame data includes device information of the sending device; S203, sending the preset action frame data on the preset WiFi channel, and sending the preset data frame data at the same time, wherein the preset action frame data is continuously sent before all the preset data frame data are sent completely.

5. The WiFi-based direct connection method according to claim 4, characterized in that: The preset action frame data and the preset data frame data are based on IEEE 802.11 format frames, wherein: The header of the preset action frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset action frame data includes an action frame creation time, a length of data to be received, and a queuing time for transmission delay synchronization; The To DS and From DS field flags of the preset data frame data are set to 0, the packet header of the preset data frame data includes an organization-unique identifier for identifying a direct connection between the receiving device and the sending device, and the data of the preset data frame data includes a transmission number and the communication data corresponding to the transmission number.

6. A receiving device for receiving communication data from a sending device in the same WiFi channel, characterized in that: include: A receiving initialization module is used to initialize the WiFi wireless network module and configure a preset WiFi channel; An action monitoring module, used for monitoring preset action frame data in the preset WiFi channel; an action determination module, configured to determine whether the preset action frame data is generated by the sending device, and if so, to parse the device information of the sending device from the preset action frame data; A data monitoring module, used to monitor and obtain preset data frame data generated by the sending device from the preset WiFi channel according to the device information of the sending device; The data parsing module is used to parse the communication data from the preset data frame data.

7. A sending device, used to send communication data to a receiving device in the same WiFi channel, characterized in that: include: Send initialization module, used to initialize the WiFi wireless network module and configure the preset WiFi channel; A data construction module, used to construct preset action frame data and corresponding preset data frame data, wherein the preset action frame data includes device information of the sending device; The data sending module is used to send the preset action frame data and the preset data frame data on the preset WiFi channel, wherein the preset action frame data is continuously sent before all the preset data frame data are sent.

8. A WiFi-based direct connection system, characterized in that: It comprises the receiving device as claimed in claim 6 and the sending device as claimed in claim 7.

9. A computer device, characterized in that: include: A memory, a processor, and a WiFi-based direct connection program stored in the memory and executable on the processor, wherein the processor implements the steps of the WiFi-based direct connection method as described in any one of claims 1-3 or claims 4-5 when executing the WiFi-based direct connection program.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a WiFi-based direct connection program, and when the WiFi-based direct connection program is executed by the processor, the steps in the WiFi-based direct connection method according to any one of claims 1-3 or claims 4-5 are implemented.

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