CN111918252A - Method, system and device for accessing intelligent equipment to wireless local area network - Google Patents
Method, system and device for accessing intelligent equipment to wireless local area network Download PDFInfo
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- CN111918252A CN111918252A CN201910386885.6A CN201910386885A CN111918252A CN 111918252 A CN111918252 A CN 111918252A CN 201910386885 A CN201910386885 A CN 201910386885A CN 111918252 A CN111918252 A CN 111918252A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The invention discloses a method, a system and a device for accessing an intelligent device to a wireless local area network.A control device in the wireless local area network in the embodiment of the invention establishes Bluetooth connection with the intelligent device to be accessed to the wireless local area network in a Bluetooth connection mode, sends a Service Set Identifier (SSID) and a password of a gateway in the wireless local area network to the intelligent device, establishes the connection of the wireless local area network with the gateway by adopting the SSID and the password of the gateway after the intelligent device receives the SSID and the password, and enables the intelligent device to be accessed to the wireless local area network after the gateway verifies. Therefore, the intelligent device can be conveniently and safely accessed into the wireless local area network.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a method, a system, and an apparatus for accessing an intelligent device to a wireless local area network.
Background
With the development of communication technology, the internet of things gradually appears. The internet of things is an information carrier such as the internet and a traditional telecommunication network, and all common objects capable of performing independent functions are enabled to realize an interconnected network. As an intelligent device in the internet of things, in order to implement interworking in a network, it is necessary to access a wireless local area network based on a WiFi protocol. When the smart device is accessed to the wireless lan, the Service Set Identifier (SSID) and the password of the gateway in the wireless lan must be obtained first, and then the connection between the SSID and the password and the gateway is realized, so as to access the wireless lan. However, with the increasing variety of smart devices, many smart devices cannot obtain the SSID and the password of the gateway through a manual input method, and thus cannot access to the wireless lan through the manual input method, for example, smart devices such as a smart socket, a smart lamp, or a smart speaker.
Therefore, how to access the smart device to the wlan simply and quickly by using a non-manual input method becomes a technical problem to be solved urgently.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method for accessing a wireless local area network by an intelligent device, which can simply and safely access the intelligent device to the wireless local area network.
The embodiment of the invention also provides a system for accessing the intelligent equipment to the wireless local area network, and the system can simply, conveniently and safely enable the intelligent equipment to be accessed to the wireless local area network.
The embodiment of the invention also provides a device for accessing the intelligent equipment to the wireless local area network, and the device can simply, conveniently and safely enable the intelligent equipment to be accessed to the wireless local area network.
The embodiment of the invention is realized as follows:
a method for accessing a wireless local area network by an intelligent device comprises the following steps:
the method comprises the steps that Bluetooth connection is established between intelligent equipment and control equipment in a wireless local area network, wherein the intelligent equipment is the intelligent equipment to be accessed into the wireless local area network;
the intelligent equipment is connected through Bluetooth and receives the SSID and the password of the gateway in the wireless local area network, which are sent by the control equipment;
and the intelligent equipment adopts the SSID and the password of the gateway to establish the connection of a wireless local area network with the gateway, and the intelligent equipment is accessed into the wireless local area network.
The establishment of the Bluetooth connection between the intelligent device and the control device in the wireless local area network is established based on a low-power consumption Bluetooth (BLE) protocol, and comprises the following steps:
the intelligent equipment indicates the control equipment, and a received signal strength value RSSI between the control equipment and the intelligent equipment is obtained through measurement;
the intelligent device indicates the control device to judge whether the RSSI is greater than or equal to a set RSSI threshold range, and if so, the Bluetooth connection is completed; if not, the Bluetooth connection is not carried out.
After not carrying out the bluetooth connection, still include:
the intelligent device adjusts the distance between the intelligent device and the control device.
The obtaining of the RSSI between the control device and the smart device by the measurement further includes:
and after the number of RSSI measurement times reaches a set number value, averaging the RSSI obtained by multiple measurements to obtain the RSSI between the control equipment and the intelligent equipment obtained by measurement.
The intelligent device indicates the control device, and the step of measuring the RSSI between the control device and the intelligent device comprises the following steps:
the intelligent equipment receives an RSSI acquisition request sent by the control equipment at a set time interval;
and the intelligent equipment returns the RSSI to the control equipment.
And the set RSSI threshold value is obtained by measurement according to a Bluetooth connection distance threshold value between the intelligent equipment and the control equipment.
The establishment of bluetooth connection between the intelligent device and the control device in the wireless local area network further comprises:
the intelligent device sets a Bluetooth connection time window, the set Bluetooth connection time window is started when the intelligent device enters a Bluetooth distribution network mode, and when the set Bluetooth connection time window arrives and the Bluetooth connection is not successful, the intelligent device exits the Bluetooth distribution network mode.
A system for accessing a wireless local area network by an intelligent device comprises: intelligent equipment, control equipment and a gateway, wherein,
the intelligent device is used for establishing Bluetooth connection with the control device; the SSID and the password of the gateway in the wireless local area network sent by the control equipment are received through Bluetooth connection; adopting the SSID and the password of the gateway to establish the connection of a wireless local area network with the gateway and access the wireless local area network;
the control equipment is used for establishing Bluetooth connection with the intelligent equipment; the SSID and the password of the gateway in the wireless local area network are sent to the intelligent equipment through Bluetooth connection;
and the gateway is used for verifying the SSID and the password of the gateway sent by the intelligent equipment and establishing the connection of the wireless local area network with the intelligent equipment.
An apparatus for accessing a wireless local area network by a smart device, comprising: the Bluetooth unit is used for establishing Bluetooth connection with the control equipment; the SSID and the password of the gateway in the wireless local area network sent by the control equipment are received through Bluetooth connection;
and the wireless local area network access unit is used for establishing the connection of the wireless local area network with the gateway by adopting the SSID and the password of the gateway and accessing the wireless local area network.
An apparatus for accessing a wireless local area network by a smart device, comprising:
a memory; and a processor coupled to the memory, the processor configured to execute the method for accessing the wireless local area network by the smart device based on the instructions stored in the memory.
A computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the above-mentioned method for an intelligent device to access a wireless local area network.
As can be seen from the above, in the embodiment of the present invention, the control device in the wireless lan establishes a bluetooth connection with the smart device that is to access the wireless lan in a bluetooth connection mode, and sends the SSID and the password of the gateway in the wireless lan to the smart device, and after the SSID and the password of the gateway are received by the smart device, the smart device establishes a connection with the gateway through the SSID and the password of the gateway, and after the gateway is verified, the smart device is enabled to access the wireless lan. Therefore, the intelligent device can be conveniently and safely accessed into the wireless local area network.
Drawings
Fig. 1 is a flowchart of a method for accessing a wireless local area network by an intelligent device according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating an embodiment of a method for accessing a wireless local area network by an intelligent device according to the present invention;
fig. 3 is a schematic structural diagram of a system for accessing an intelligent device to a wireless local area network according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an apparatus for accessing a wireless local area network by an intelligent device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.
As can be seen from the background art, as the types of the smart devices are increasing, some types of smart devices cannot acquire the SSID and the password of the gateway in the wireless lan through manual input, so that the smart devices cannot be accessed to the wireless lan. In order to overcome this problem, other methods are also used to issue the SSID and password of the gateway in the wireless lan to the smart device, and the specific method is as follows:
in the first mode, a gateway of a wireless local area network transmits an SSID and a password to intelligent equipment in the wireless local area network through an unencrypted field in a multicast packet or a broadcast packet, which is called a one-key configuration technology;
in the second mode, a gateway on the wireless local area network side sends the SSID and the password to intelligent equipment in the wireless local area network by adopting a router performance information (beacon) packet;
in the third mode, the working mode of the intelligent device in the wireless local area network is set to be an Access Point (AP) mode, a data packet carrying an SSID and a password and sent by the network side of the wireless local area network is received, and then the working mode of the intelligent device is switched to be a session client (station) mode.
It can be seen that the above three ways of acquiring the SSID and the password of the gateway in the wireless local area network by the intelligent device are all implemented by setting the gateway or/and the intelligent device in the wireless local area network, which is cumbersome and not easy to implement for non-professional technicians. Furthermore, in the above scheme, since the SSID and the password of the gateway are sent to the smart device in a broadcast or multicast manner, the smart device may be mistakenly accessed to the adjacent wireless local area network. For example, when the access mode is opened by the smart device, if the gateway in the adjacent wireless lan also sends the SSID and the password, the gateway will be accessed to the adjacent wireless lan, which brings hidden danger to the security of the wireless lan.
Therefore, in order to solve the above problems, the embodiments of the present invention adopt the following technical solutions: the control equipment in the wireless local area network establishes Bluetooth connection with intelligent equipment to be accessed into the wireless local area network in a Bluetooth connection mode, the SSID and the password of a gateway in the wireless local area network are sent to the intelligent equipment, the intelligent equipment adopts the SSID and the password of the gateway after receiving the SSID and the password, the connection of the wireless local area network is established with the gateway, and the intelligent equipment is accessed into the wireless local area network after the gateway is verified.
Therefore, the embodiment of the invention can simply, conveniently and safely enable the intelligent equipment to be accessed into the wireless local area network.
In the embodiment of the present invention, the control device in the wireless local area network may be a mobile terminal, a computer, or various types of tablet computers (PADs) that support a low-power-consumption Bluetooth (BLE) protocol and are based on a WiFi protocol, and the smart device in the wireless local area network is a smart device that supports a BLE protocol and is based on a WiFi protocol.
In the embodiment of the invention, the intelligent device can be an intelligent socket, an intelligent lamp or an intelligent sound box and other intelligent equipment in an intelligent home system.
Fig. 1 is a flowchart of a method for accessing an intelligent device to a wireless local area network according to an embodiment of the present invention, where a related network entity includes a gateway, a control device, and an intelligent device in the wireless local area network, and the method includes the following specific steps:
101, establishing Bluetooth connection between intelligent equipment to be accessed to a wireless local area network and control equipment in the wireless local area network based on a BLE protocol;
102, the intelligent device receives an SSID and a password of a gateway in a wireless local area network, which are sent by the control device, through Bluetooth connection;
and 103, the intelligent equipment establishes a wireless local area network connection with the gateway by adopting the SSID and the password of the gateway and accesses the wireless local area network.
In the embodiment of the present invention, when an intelligent device to be accessed to a wireless lan establishes a bluetooth connection with a control device in the wireless lan, it is necessary to avoid establishing a bluetooth connection with a control device in an adjacent wireless lan. That is, the following is to be avoided: when the intelligent device to be accessed to the wireless local area network starts a Bluetooth distribution network mode, if the control device of the adjacent wireless local area network is in the Bluetooth distribution network mode, the intelligent device establishes Bluetooth connection with the control device of the adjacent wireless local area network, and then obtains the SSID and the password of the gateway of the adjacent wireless local area network, so that the intelligent device can be subsequently accessed to the adjacent wireless local area network. Under the circumstance, the method has great potential safety hazard, and if the control equipment used by a lawless person maliciously performs Bluetooth connection, the use of the intelligent equipment is directly influenced, and the potential safety hazard is brought to other equipment in the whole wireless local area network to which the intelligent equipment belongs.
In order to overcome the above potential safety hazard problem, the embodiment of the present invention further includes, when establishing the bluetooth connection:
the intelligent device sets a Bluetooth connection time window, the set Bluetooth connection time window is started when the intelligent device enters a Bluetooth distribution network mode, and when the set Bluetooth connection time window arrives and the Bluetooth connection is not successful, the intelligent device exits the Bluetooth distribution network mode. For example, the bluetooth connection time window is set to 5 minutes.
If the method of fig. 1 is to be performed again, the smart device is manually set to the bluetooth recipe mode. Although this method reduces the probability of mismatching the network, it still cannot avoid someone connecting the intelligent device maliciously.
Therefore, the embodiment of the present invention applies the characteristics of the BLE protocol, that is, the spatial distance and the attenuation of the wall to the bluetooth Signal, to the scheme of establishing the bluetooth connection, determines the distance between the intelligent device and the control device by using a Received Signal Strength value (RSSI) in the BLE protocol, and performs the bluetooth connection process when the distance is smaller than a set distance value.
Specifically, when establishing a bluetooth connection, the embodiment of the present invention further includes:
the intelligent equipment indicates the control equipment, and the RSSI between the control equipment and the intelligent equipment is measured;
the intelligent device indicates the control device to judge whether the RSSI is greater than or equal to a set RSSI threshold range, and if so, the Bluetooth connection is completed; if not, the Bluetooth connection is not carried out. After the bluetooth connection is not performed, the smart device may be further instructed to adjust the distance between the smart device and the control device, and after the adjustment, the smart device enters a state of establishing the bluetooth connection again.
Here, the measuring the RSSI with the smart device further includes:
and after the measured times reach the set time value, averaging the RSSI obtained by multiple measurements. This is because if the RSSI between the smart device and the measured value is measured once, there is an error, so the RSSI can be measured for a plurality of times, for example, 10 times, and the measured value is averaged and compared to obtain more accurate RSSI.
In an embodiment of the present invention, the smart device instructs the control device. The process of measuring and obtaining the RSSI between the control equipment and the intelligent equipment comprises the following steps:
the control device sends an RSSI acquisition request to the smart device at a set time interval, such as a 100 millisecond time interval, and the smart device returns an RSSI to the control device upon receipt.
In the embodiment of the present invention, the set RSSI threshold is obtained by measuring according to a bluetooth connection distance threshold between the intelligent device and the control device. And calibrating the RSSI of the intelligent equipment in the initial state, testing the RSSI between the intelligent equipment and a certain control equipment within 1 meter of the certain control equipment, and setting the set RSSI threshold value to be-59 dB if the RSSI is-59 dB.
The invention is illustrated by way of a specific example.
Fig. 2 is a flowchart of a specific example of a method for accessing an intelligent device to a wireless local area network according to an embodiment of the present invention, where as shown in the figure, a control device is set as a mobile phone, an RSSI threshold is set to-59 dB, and a corresponding bluetooth connection distance threshold is 1 meter, and the method includes the following steps:
step 201, the mobile phone enters a Bluetooth distribution network mode, selects an adding device and performs BLE scanning, and finds out an intelligent device; the intelligent equipment enters a Bluetooth distribution network mode and is in a BLE broadcast receiving state;
step 202, the mobile phone sends a BLE broadcast packet to the intelligent device;
step 203, establishing BLE connection between the mobile phone and the intelligent equipment;
step 204, the mobile phone and the intelligent device are in a BLE connection state;
step 205, the mobile phone measures the RSSI;
step 206, the mobile phone judges whether the measured RSSI is greater than or equal to the set RSSI threshold value, namely-59 dB, if yes, step 207 is executed; if not, prompting the user to enable the intelligent equipment to approach the mobile phone;
step 207, the intelligent device sends a Bluetooth connection establishment request to the mobile phone;
208, mutually acquiring equipment information and exchanging key data between the mobile phone and the intelligent equipment, and establishing Bluetooth connection;
step 209, the mobile phone sends the SSID and the password of the gateway of the wireless local area network to the intelligent device through the established Bluetooth connection;
step 210, after receiving the response message, the smart device sends a response message to the mobile phone;
step 211, establishing a wireless local area network connection with the gateway by using the SSID and the password of the gateway, and accessing the wireless local area network;
step 212, the mobile phone receives the prompt that the intelligent device has received the network access information.
Fig. 3 is a schematic structural diagram of a system for accessing a wireless local area network by an intelligent device according to an embodiment of the present invention, as shown in the figure, the system includes: intelligent equipment, control equipment and a gateway, wherein,
the intelligent device is used for establishing Bluetooth connection with the control device; the SSID and the password of the gateway in the wireless local area network sent by the control equipment are received through Bluetooth connection; adopting the SSID and the password of the gateway to establish the connection of a wireless local area network with the gateway and access the wireless local area network;
the control equipment is used for establishing Bluetooth connection with the intelligent equipment; the SSID and the password of the gateway in the wireless local area network are sent to the intelligent equipment through Bluetooth connection;
and the gateway is used for verifying the SSID and the password of the gateway sent by the intelligent equipment and establishing the connection of the wireless local area network with the intelligent equipment.
Fig. 4 is a schematic structural diagram of an apparatus for accessing a wireless local area network by an intelligent device according to an embodiment of the present invention, as shown in the figure, the apparatus includes: a Bluetooth unit and a wireless LAN access unit, wherein,
the Bluetooth unit is used for establishing Bluetooth connection with the control equipment; the SSID and the password of the gateway in the wireless local area network sent by the control equipment are received through Bluetooth connection;
and the wireless local area network access unit is used for establishing the connection of the wireless local area network with the gateway by adopting the SSID and the password of the gateway and accessing the wireless local area network.
The embodiment of the invention also provides a device for accessing the intelligent equipment to the wireless local area network, which comprises the following steps:
a memory; and a processor coupled to the memory, the processor configured to execute the method for accessing the wireless local area network by the smart device based on the instructions stored in the memory.
The embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for accessing the smart device to the wireless local area network.
It can be seen that the embodiment of the present invention adopts the bluetooth connection between the intelligent device to be accessed to the wireless lan and the control device in the wireless lan to transmit the SSID and the password of the gateway of the wireless lan required by the intelligent device, so that the intelligent device can simply and quickly obtain the SSID and the password of the gateway. Furthermore, in order to ensure transmission safety, according to the characteristics of a BLE protocol, that is, the space distance and the attenuation of obstacles to the RSSI are obvious, when the connection between the intelligent device and the control device is established, the set RSSI threshold is also judged, so that the bluetooth connection is performed only when the distance between the intelligent device and the control device is smaller than the set distance, the intelligent device is prevented from mistakenly distributing a network to an adjacent wireless local area network or a network which is maliciously distributed by an attacker, and the safety is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (11)
1. A method for accessing a wireless local area network by an intelligent device is characterized by comprising the following steps:
the method comprises the steps that Bluetooth connection is established between intelligent equipment and control equipment in a wireless local area network, wherein the intelligent equipment is the intelligent equipment to be accessed into the wireless local area network;
the intelligent equipment is connected through Bluetooth and receives the SSID and the password of the gateway in the wireless local area network, which are sent by the control equipment;
and the intelligent equipment adopts the SSID and the password of the gateway to establish the connection of a wireless local area network with the gateway, and the intelligent equipment is accessed into the wireless local area network.
2. The method of claim 1, wherein establishing the Bluetooth connection between the smart device and the control device in the wireless local area network is established based on a Bluetooth Low Energy (BLE) protocol, comprising:
the intelligent equipment indicates the control equipment, and a received signal strength value RSSI between the control equipment and the intelligent equipment is obtained through measurement;
the intelligent device indicates the control device to judge whether the RSSI is greater than or equal to a set RSSI threshold range, and if so, the Bluetooth connection is completed; if not, the Bluetooth connection is not carried out.
3. The method of claim 2, wherein after not making a bluetooth connection, further comprising:
the intelligent device adjusts the distance between the intelligent device and the control device.
4. The method of claim 2, wherein the measuring an RSSI between the controlling device and the smart device further comprises:
and after the number of RSSI measurement times reaches a set number value, averaging the RSSI obtained by multiple measurements to obtain the RSSI between the control equipment and the intelligent equipment obtained by measurement.
5. The method of claim 4, wherein the smart device indicates the controlling device, and wherein measuring the RSSI between the controlling device and the smart device comprises:
the intelligent equipment receives an RSSI acquisition request sent by the control equipment at a set time interval;
and the intelligent equipment returns the RSSI to the control equipment.
6. The method of claim 2, wherein the set RSSI threshold is measured based on a bluetooth connection distance threshold set by the smart device with the control device.
7. The method of claim 1, wherein establishing a bluetooth connection between the smart device and a control device in a wireless local area network further comprises:
the intelligent device sets a Bluetooth connection time window, the set Bluetooth connection time window is started when the intelligent device enters a Bluetooth distribution network mode, and when the set Bluetooth connection time window arrives and the Bluetooth connection is not successful, the intelligent device exits the Bluetooth distribution network mode.
8. A system for accessing intelligent equipment to a wireless local area network is characterized by comprising: intelligent equipment, control equipment and a gateway, wherein,
the intelligent device is used for establishing Bluetooth connection with the control device; the SSID and the password of the gateway in the wireless local area network sent by the control equipment are received through Bluetooth connection; adopting the SSID and the password of the gateway to establish the connection of a wireless local area network with the gateway and access the wireless local area network;
the control equipment is used for establishing Bluetooth connection with the intelligent equipment; the SSID and the password of the gateway in the wireless local area network are sent to the intelligent equipment through Bluetooth connection;
and the gateway is used for verifying the SSID and the password of the gateway sent by the intelligent equipment and establishing the connection of the wireless local area network with the intelligent equipment.
9. An apparatus for accessing a wireless local area network by an intelligent device, comprising: a Bluetooth unit and a wireless LAN access unit, wherein,
the Bluetooth unit is used for establishing Bluetooth connection with the control equipment; the SSID and the password of the gateway in the wireless local area network sent by the control equipment are received through Bluetooth connection;
and the wireless local area network access unit is used for establishing the connection of the wireless local area network with the gateway by adopting the SSID and the password of the gateway and accessing the wireless local area network.
10. An apparatus for accessing a wireless local area network by an intelligent device, comprising:
a memory; and a processor coupled to the memory, the processor configured to perform the method of smart device accessing a wireless local area network of any of claims 1-7 based on instructions stored in the memory.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method for a smart device to access a wireless local area network according to any one of claims 1 to 7.
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