CN106658426A - Wireless WiFi based remote control communication establishing method and terminal - Google Patents
Wireless WiFi based remote control communication establishing method and terminal Download PDFInfo
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- CN106658426A CN106658426A CN201611110245.5A CN201611110245A CN106658426A CN 106658426 A CN106658426 A CN 106658426A CN 201611110245 A CN201611110245 A CN 201611110245A CN 106658426 A CN106658426 A CN 106658426A
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- multicast message
- multicast
- controlled terminal
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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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
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a wireless WiFi based remote control communication establishing method and terminal. The method includes that a controlled terminal monitors wireless signals in a state of not establishing communication with a remote control terminal; the controlled terminal obtains N multicast messages from the monitored wireless signals, wherein the N multicast messages are sent by the remote terminal through the wireless signals; the controlled terminal analyzes the obtained N multicast messages and obtains IP multicast address information in each multicast message; the controlled terminal determines authentication information of a network device corresponding to a wireless WiFi access point connected by the remote control terminal according the IP multicast address information; the controlled terminal connects with the wireless WiFi access point according to the obtained authentication information and establishes communication with the remote control terminal. The invention is used for providing a remote control method that is low in cost and comparatively high in universality.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of underwater acoustic remote control method for building up and terminal based on wireless WiFi.
Background technology
Remote control is widely applied on household appliances, for example, TV, Set Top Box, TV box, air-conditioning, projecting apparatus,
Shooting is first-class.Existing remote control is broadly divided into infrared remote control, Bluetooth remote control and RF remote-controlled.Wherein：
The advantage of infrared remote control is to send and receiving unit low cost, and using than wide, message transmission rate is relatively low, only
There is 1kbps.However, because infrared ray cannot be remotely controlled through barrier or equipment cannot be carried out with very big angle distant
Control, causes that the directive property of infrared remote control is poor, and design freedom is poor.
Bluetooth remote control needs and device pairing, and there is a problem of compatibility between Bluetooth chip and equipment, causes remote control
Effect cannot be guaranteed, and not only compatible poor, and cost is also higher.
RF remote-controlled, using the 2.4G frequency ranges based on 802.15.4 standards, non-directive is limited, and transfer rate is 1Mbps；
But need pairing setting is carried out before dispatching from the factory, in the case where equipment is a lot, 2.4GHz equipment sometimes with WiFi
Interference is produced between (Wireless Fidelity, Wireless Fidelity), it is so as to reduce the precision of straighforward operation and relatively costly.
Therefore, a kind of cost is needed badly relatively low and with the remote control thereof of wider versatility, to avoid existing remote control side
Defect existing for method.
The content of the invention
The embodiment of the present invention provides a kind of underwater acoustic remote control method for building up and terminal based on wireless WiFi, to provide one kind
Cost is relatively low and with the remote control thereof of wider versatility.
The inventive method includes a kind of underwater acoustic remote control method for building up based on wireless WiFi, and the method includes：Controlled terminal
In the state of not yet communicating with remote terminal foundation, monitoring wireless signal；
The controlled terminal obtains N number of multicast message from the wireless signal for listening to, and N number of multicast message is described
Remote terminal is sent by wireless signal；
N number of multicast message that the controlled terminal is analyzed and acquired by, determines the IP multicast address letter in each multicast message
Breath；
The controlled terminal determines the wireless WiFi access points that the remote terminal is accessed according to IP multicast address information
The authentication information of the corresponding network equipment；
The controlled terminal connects the wireless WiFi access points according to the authentication information for obtaining, with the remote control end
Communication is set up at end.
Based on same inventive concept, the embodiment of the present invention further provides a kind of terminal, including：
Monitoring unit, for not yet with remote terminal set up communicate in the state of, monitoring wireless signal；
Transmit-Receive Unit, for obtaining N number of multicast message from the wireless signal for listening to, N number of multicast message is institute
State what remote terminal was sent by wireless signal；
Processing unit, for the N number of multicast message being analyzed and acquired by, determines the IP multicast address letter in each multicast message
Breath；Recognizing for the wireless corresponding network equipment of WiFi access points that the remote terminal is accessed is determined according to IP multicast address information
Card information；
Connection unit, for connecting the wireless WiFi access points according to the authentication information for obtaining, with the remote control
Terminal sets up communication.
The content that the embodiment of the present invention passes through transformation network side multicast message, the multicast report that remote terminal sends after transformation
IP multicast address just contains the authentication information of the corresponding network equipment of wireless WiFi access points of remote terminal access in text, i.e.,
SSID and password of wireless WiFi access points etc., such controlled terminal poll monitoring wireless signal is sent out when remote terminal is listened to
After the multicast message for sending, will be parsed according to default host-host protocol, finally the significant figure in multiple multicast messages
According to assembling complete authentication information, and then wireless WiFi access points are accessed according to authentication information, realize remote terminal and receive
Communication link is set up between control terminal, because the transfer rate height of wireless WiFi, directive property are strong, it is not necessary to special hardware configuration
Support, so low cost and with stronger versatility.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the block schematic illustration of intelligent remote control system provided in an embodiment of the present invention；
Fig. 2 provides a kind of underwater acoustic remote control method for building up schematic flow sheet based on wireless WiFi for the embodiment of the present invention；
Fig. 3 provides the schematic diagram that a kind of IP layers map to MAC for the embodiment of the present invention；
Fig. 4 provides a kind of underwater acoustic remote control method for building up based on wireless WiFi and interacts schematic diagram for the embodiment of the present invention；
Fig. 5 provides a kind of terminal structure schematic diagram for the embodiment of the present invention.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step ground is described in detail, it is clear that described embodiment is only present invention some embodiments, rather than the enforcement of whole
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
WiFi is a kind of technology for allowing electronic equipment to be connected to a WLAN (WLAN), and 2.4G is usually used
UHF or 5G SHF ISM radio frequency bands.As shown in figure 1, intelligent remote control system provided in an embodiment of the present invention includes remote terminal
10th, multiple controlled terminals 20 and router 30.Wherein, remote terminal 10 supports WIFI functions with multiple controlled terminals 20, and
Remote terminal 10 is in the network environment of WIFI with controlled terminal 20.Controlled terminal 20 supports WIFI client modes, and
By wired or be wirelessly connected with router 30.Wherein, controlled terminal 20 is because be independently setting for camera etc
Standby, user can not operate it to make its connection LAN, and after the control for needing to receive remote terminal LAN, remote terminal 10 are connected
Can be mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (flat boards
Computer), PMP (portable media player), the mobile terminal of guider etc. and such as numeral TV, desktop computer
Deng fixed terminal.
Hereinafter, it is assumed that remote terminal 10 is mobile terminal.However, it will be understood by those skilled in the art that, except spy
Yong Yu not move outside the element of purpose, construction according to the embodiment of the present invention can also apply to the end of fixed type
End.
With reference to the intelligent remote control system in Fig. 1, the embodiment of the present invention provides a kind of underwater acoustic remote control based on wireless WiFi and builds
Cube method schematic flow sheet, shown in Figure 2, specifically implementation method includes：
Step S101, controlled terminal not yet with remote terminal set up communicate in the state of, monitoring wireless signal.
Step S102, the controlled terminal obtains N number of multicast message, N number of multicast from the wireless signal for listening to
Message is that the remote terminal is sent by wireless signal.
Step S103, N number of multicast message that the controlled terminal is analyzed and acquired by determines the IP groups in each multicast message
Broadcast address information.
Step S104, it is wireless that the controlled terminal determines that the remote terminal is accessed according to IP multicast address information
The authentication information of the corresponding network equipment of WiFi access points；
Step S105, the controlled terminal connects the wireless WiFi access points according to the authentication information for obtaining, with
The remote terminal sets up communication.
Before execution step S101, upon actuation detection surrounding first is accessed remote terminal with the presence or absence of wireless Wifi
Point, when wireless Wifi access points are detected the presence of, by the wireless Wifi access points wireless network is accessed, and preservation should
The authentication information of wireless Wifi access points, authentication information can be SSID (the Service Set of wireless Wifi access points
Identifier, service set) and password etc..It should be noted that the remote terminal referred in the embodiment of the present invention is general
Intelligent terminal is referred to, and controlled terminal then refers to unintelligent terminal.Such as, controlled terminal is camera, and remote terminal is
Mobile phone, is not similar to the intelligent operating system of mobile phone above general camera, therefore used as an autonomous device, user cannot profit
It is operated with human-computer interaction interface so that connect it to wireless network, in order to solve this problem, it is necessary to using mobile phone pair
It carries out WiFi pairings, controls camera access to LAN, therefore mobile phone utilizes remote control thereof provided in an embodiment of the present invention, can
To control the upper wireless Wifi access points of camera connection, and then the camera is operated to carry out taking pictures waiting and operate.
In above-mentioned steps, because IP address is in the third layer of osi model, MAC Address is not straight each other in the second layer
Dealings is taken, so remote terminal is transformed the multicast message of transmission in the embodiment of the present invention, and by multicast ip address
The authentication information of the wireless Wi-Fi hotspot of itself connection is replaced with, thus the multicast ip address after transformation can be sent out
Go, because controlled terminal has monitor function, and remote terminal is in the range of the monitoring of controlled terminal, so controlled terminal can
To listen to the multicast message of remote terminal transmission, controlled terminal is parsed the multicast message for listening to, then from N number of group
Report in text and obtain valid data, and then the authentication information of wireless Wi-Fi hotspot is restored according to valid data, then utilize
To the upper wireless Wi-Fi hotspot of authentication information connection because the effective range of WiFi connections is generally in 100 meters of scopes, connection is steady
It is fixed, the file transmission demand between mobile device can be met completely, current main flow WiFi chip supports 802.11g, speed
5～7MB/s can be reached, is adapted to the file of the big quantity of transmission, and method provided in an embodiment of the present invention is based on bottom
80211mac agreements, so easily realization, process are simple.
Further, mapping relations of the controlled terminal in default wireless communication transmissions agreement, determine each
IP multicast address information in multicast message, and then the authentication information for stating wireless WiFi access points is determined, wherein, the mapping
Relation refers to continuous rear 23 bit mappings in Internet IP multicast address to the mapping relations of the same MAC Address of data link layer.Such as
Shown in Fig. 3, because the high 24bit of multicast mac address is 0x01005e, 25bit is 0, i.e., high 25bit is fixed value.MAC ground
The low 23bit of location is the low 23bit of multicast ip address.Because the front 4bit of IP multicast address is 1110, multicast mark is represented, and
Only have 23bit to be mapped to MAC Address in 28bit afterwards, just have 5bit information to lose in such IP address, caused result is
Showed multicast ip address it is last continuous after 23 bit mappings on same MAC Address.Because the authority reason of operating system can not
Mac layer.So the data transformed in multicast ip address address bit by said method just can be the authentication information of IP layers
It is delivered to MAC layer.
Wherein, after continuous in the IP multicast address of each multicast message 23 at least include anti-tampering flag bit,
Special message identification position, verification and position, bag sequence number position, valid data load byte, for example, as shown in Table 1.
Table one
In Table 1, the 0th is anti-tampering position, fixed during once matching, and is changed when pairing next time starts.
Other multicast message conflicts are there may exist during pairing, causes equipment all not receive valid data forever.Pass through
Arrange anti-tampering flag bit to avoid conflicting with multicast message in existing space, it is ensured that success rate；1st～2 is
Fixed signal position, indicates that this message is the message that we match；3rd～6 be 23 after continuous in go out institute beyond itself
There are four bit checks of data and prevent the conflict of other messages；7th～14 is bag sequence number position, needs to send out due to once matching
One group of multicast message is sent, air message is easier to lose in space, therefore wants disposably to receive complete one group message
Possibility it is very little, increasing bag sequence number can be superimposed the reception result of Duolun message, it is ensured that pairing speed and success rate；15th
～22 is valid data.The SSID that will be transmitted and password rest are stored in here by byte after encrypting for unit, because one
Individual multicast message can only transmit the SSID and encrypted message of 1 byte, to transmit complete SSID and password is accomplished by sending many
Individual multicast message.
Further, N number of multicast message that the controlled terminal parsing is received, obtains effective in each multicast message
After data, also include：Verification of the controlled terminal in the multicast message for receiving and each multicast report that verification is obtained
Whether the valid data in text are legal；If legal, the controlled terminal determines institute according to the legal valid data for obtaining
State the authentication information of the corresponding network equipment of wireless WiFi access points.
If that is, the multicast message that remote terminal sends needs continuous 10 messages to send completely wirelessly
The SSID and encrypted message of Wi-Fi hotspot, then remote terminal is just numbered to this 10 multicast message, numbering is included in each
In the bag sequence number of multicast message, only controlled terminal to be received and can parse the wireless Wi-Fi hotspot after this 10 messages
SSID and encrypted message, after controlled terminal receives this 10 message, first according to predetermined Data Transport Protocol, obtain
Take verification in multicast message and, then with verifying and this 10 messages being verified, if verified successfully, prove the group
It is legal message to report text, is then illegal otherwise.The Data Transport Protocol wherein reached an agreement in advance is as shown in Table 2.
Table two
In table two, on the basis of the data to the byte transmitted host-host protocol is encapsulated.Test serial number is 0, is represented
Valid data in this message are that 1～N of test serial number is will for the length (not comprising itself and verification and) of whole receiving data
SSID and password of transmission etc..Test serial number N+1 be the valid data such as SSID and password eight bit checks and.
For the process of realizing of the above-mentioned remote control thereof that more describes in a systematic way, the embodiment of the present invention further provides Fig. 4
Shown interaction figure is described in detail, specific as follows：
Step 201, remote terminal actively searches for neighbouring Wi-Fi hotspot, and user operation remote terminal makes to be route in its connection
Device, then remote terminal preserve SSID and password.
Step 202, remote terminal cycles through N number of multicast message, wherein multicast ip address position generation in each multicast message
The information of table is the SSID and password of wireless Wi-Fi hotspot.
Step 203, controlled terminal poll listens to the multicast message of all channels, then obtains the N that remote terminal sends
Individual multicast message.
Step 204, the valid data that controlled terminal takes out according to continuous rear 23 bit mac data definitions.
Step 205, controlled terminal obtains legal multicast message according to paired data agreement verification data.
Step 206, controlled terminal takes out SSID and password connection route device, then by the significant figure in each multicast message
According to fitting together, the SSID and password of wireless Wi-Fi hotspot is restored.
Step 207, controlled terminal connects the corresponding router of SSID and password of Wi-Fi hotspot of reaching the standard grade.
Step 208, controlled terminal connection LAN success simultaneously notifies that remote terminal stops sending message
Further, after the controlled terminal connects the wireless WiFi access points, also include：The controlled terminal
Notify that the remote terminal stops sending multicast message, and receive the control instruction that the remote terminal sends；The controlled end
End performs operation corresponding with the control instruction.
Such as, mobile phone causes camera to access wireless Wi-Fi hotspot by above-mentioned remote control thereof, and then mobile phone is to remote control
Device sends takes pictures or the instruction such as camera is rotated, and camera is received and begins to perform corresponding operation after execution.Although existing
Technology in also have process matched by the WiFi of soft AP, this method controlled terminal is needed according to the AP standards of WIFI, broadcast
Beacon frame.Remote terminal realizes that the connection procedure of soft AP has：Certification, association, 4-Way Handshake exchanges password, obtains IP address.It is distant
Control terminal is write by TCP/IP with controlled terminal and for SSID and password to be sent to equipment.Remote terminal disconnects soft with controlled terminal
AP goes connection route device, controlled terminal to be switched to STA mode from ap mode and remove connection route device, remote terminal and controlled terminal
Re-establish communication.But this pairing process is complicated, there are some mobile phone lacks of competence, pairing speed is slow, and success rate is low,
Experience is bad, and in addition as WiFi is direct-connected etc., method there is also the slow low success rate of problem of transmission speed, and the embodiment of the present invention is carried
For method be that based on bottom 80211mac, agreement is simple, process is simple, and efficiency high, speed is fast.And the method sets in agreement
On meter by the way of bag sequence number, the result of multigroup message can be superimposed, therefore success rate is high.In addition, the method remote terminal
Only need to send common UDP multicast messages, therefore versatility is good.The transport layer protocol of the method design, just can be with bottom
Judge the correctness of data, timely recovery can process when there is receiving data mistake.Ensure that the efficiency and speed of pairing.
Based on identical technology design, the embodiment of the present invention also provides a kind of terminal, the executable said method reality of the terminal
Apply example.Terminal provided in an embodiment of the present invention as shown in figure 5, including：Monitoring unit 401, Transmit-Receive Unit 402, processing unit
403rd, connection unit 404, wherein：
Monitoring unit 401, for not yet with remote terminal set up communicate in the state of, monitoring wireless signal；
Transmit-Receive Unit 402, for obtaining N number of multicast message from the wireless signal for listening to, N number of multicast message is
The remote terminal is sent by wireless signal；
Processing unit 403, for the N number of multicast message being analyzed and acquired by, determines the IP multicasts ground in each multicast message
Location information；The corresponding network equipment of wireless WiFi access points that the remote terminal is accessed is determined according to IP multicast address information
Authentication information；
Connection unit 404, it is distant with described for connecting the wireless WiFi access points according to the authentication information for obtaining
Control terminal sets up communication.
Further, the processing unit 403 specifically for：Mapping in default wireless communication transmissions agreement is closed
System, determines the IP multicast address information in each multicast message, wherein, the mapping relations refer in Internet IP multicast address
Mapping relations of 23 bit mappings to the same MAC Address of data link layer after continuous.
Further, continuous rear 23 in the IP multicast address of each multicast message at least include anti-tampering mark
Position, special message identification position, verification and position, bag sequence number position, valid data load byte.
Further, also include：Verification unit 405, for the verification in the multicast message for receiving with verification is obtained
Each multicast message in valid data it is whether legal.
Further, the processing unit 403 is additionally operable to, when the check results of the verification unit are legal, according to obtaining
The legal valid data for taking determine the authentication information of the corresponding network equipment of the wireless WiFi access points.
Further, the Transmit-Receive Unit 402, is additionally operable to notify that the remote terminal stops sending multicast message, and connects
Receive the control instruction that the remote terminal sends；
The processing unit 403, is additionally operable to perform operation corresponding with the control instruction.
In sum, the content that the embodiment of the present invention passes through transformation network side multicast message, remote terminal is sent out after transformation
IP multicast address just contains the corresponding network equipment of wireless WiFi access points of remote terminal access in the multicast message for sending
Authentication information, i.e., SSID and password of wireless WiFi access points etc., such controlled terminal poll monitoring wireless signal, when listening to
After the multicast message that remote terminal sends, will be parsed according to default host-host protocol, finally according to multiple multicast messages
In valid data assemble complete authentication information, and then wireless WiFi access points are accessed according to authentication information, realize distant
Communication link is set up between control terminal and controlled terminal, because the transfer rate height of wireless WiFi, directive property are strong, it is not necessary to special
Hardware configuration support, so low cost and with stronger versatility.
The present invention is the flow process with reference to method according to embodiments of the present invention, equipment (system) and computer program
Figure and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or each stream in block diagram
The combination of journey and/or square frame and flow chart and/or the flow process in block diagram and/or square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of specifying in present one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory is produced to be included referring to
Make the manufacture of device, the command device realize in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The function of specifying in multiple square frames.
These computer program instructions also can be loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented process, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow process of flow chart or multiple flow processs and/or block diagram one
The step of function of specifying in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of underwater acoustic remote control method for building up based on wireless WiFi, it is characterised in that the method includes：
Controlled terminal not yet with remote terminal set up communicate in the state of, monitoring wireless signal；
The controlled terminal obtains N number of multicast message from the wireless signal for listening to, and N number of multicast message is the remote control
Terminal is sent by wireless signal；
N number of multicast message that the controlled terminal is analyzed and acquired by, determines the IP multicast address information in each multicast message；
The controlled terminal determines the wireless WiFi access points correspondence that the remote terminal is accessed according to IP multicast address information
The network equipment authentication information；
The controlled terminal connects the wireless WiFi access points according to the authentication information for obtaining, and builds with the remote terminal
Vertical communication.
2. the method for claim 1, it is characterised in that N number of multicast message that the controlled terminal is analyzed and acquired by, really
IP multicast address information in fixed each multicast message, including：
Mapping relations of the controlled terminal in default wireless communication transmissions agreement, determine the IP in each multicast message
Multicast address information, wherein, the mapping relations are continuous rear 23 bit mappings in Internet IP multicast address to data link
Continuous 23 afterwards of the same MAC Address of layer.
3. method as claimed in claim 2, it is characterised in that after continuous in the IP multicast address of each multicast message
23 at least include anti-tampering flag bit, special message identification position, verification and position, bag sequence number position, valid data load byte.
4. the method for claim 1, it is characterised in that N number of multicast message that the controlled terminal is analyzed and acquired by, obtains
After taking the valid data in each multicast message, also include：
Verification of the controlled terminal in the multicast message for receiving and the significant figure in each multicast message that verification is obtained
According to whether legal；
The controlled terminal determines recognizing for the wireless corresponding network equipment of WiFi access points according to the valid data for obtaining
Card information, including：
If legal, the controlled terminal determines the wireless WiFi access points correspondence according to the legal valid data for obtaining
The network equipment authentication information.
5. the method for claim 1, it is characterised in that the controlled terminal connect the wireless WiFi access points it
Afterwards, also include：
The controlled terminal notifies that the remote terminal stops sending multicast message, and receives the control that the remote terminal sends
Instruction；
The controlled terminal performs operation corresponding with the control instruction.
6. a kind of terminal, it is characterised in that include：
Monitoring unit, for not yet with remote terminal set up communicate in the state of, monitoring wireless signal；
Transmit-Receive Unit, for obtaining N number of multicast message from the wireless signal for listening to, N number of multicast message is described distant
Control terminal is sent by wireless signal；
Processing unit, for the N number of multicast message being analyzed and acquired by, determines the IP multicast address information in each multicast message；
The certification of the corresponding network equipment of wireless WiFi access points that the remote terminal is accessed is determined according to IP multicast address information
Information；
Connection unit, for connecting the wireless WiFi access points according to the authentication information for obtaining, with the remote terminal
Set up communication.
7. terminal as claimed in claim 6, it is characterised in that the processing unit specifically for：According to default channel radio
Mapping relations in letter host-host protocol, determine the IP multicast address information in each multicast message, wherein, the mapping relations are
Continuous rear 23 bit mappings in Internet IP multicast address are to the continuous latter 23 of the same MAC Address of data link layer.
8. terminal as claimed in claim 7, it is characterised in that after continuous in the IP multicast address of each multicast message
23 at least include anti-tampering flag bit, special message identification position, verification and position, bag sequence number position, valid data load byte.
9. terminal as claimed in claim 6, it is characterised in that also include：
Verification unit, for according to receive multicast message in verification and, verify obtain each multicast message in it is effective
Whether data are legal；
The processing unit is additionally operable to, when the check results of the verification unit are legal, according to the legal significant figure for obtaining
According to the authentication information for determining the corresponding network equipment of the wireless WiFi access points.
10. terminal as claimed in claim 6, it is characterised in that the Transmit-Receive Unit, is additionally operable to notify that the remote terminal stops
Multicast message is only sent, and receives the control instruction that the remote terminal sends；
The processing unit, is additionally operable to perform operation corresponding with the control instruction.
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| CN201611110245.5A CN106658426A (en) | 2016-12-02 | 2016-12-02 | Wireless WiFi based remote control communication establishing method and terminal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109769230A (en) * | 2017-11-09 | 2019-05-17 | 北京君正集成电路股份有限公司 | Bluetooth pairing connection method and device |
| CN109769229A (en) * | 2017-11-09 | 2019-05-17 | 北京君正集成电路股份有限公司 | Bluetooth pairing connection method and device |
| CN109769231A (en) * | 2017-11-09 | 2019-05-17 | 北京君正集成电路股份有限公司 | Bluetooth pairing connection method and device |
| CN110166450A (en) * | 2019-05-17 | 2019-08-23 | 固高科技(深圳)有限公司 | Data transmission method, device and communication equipment based on Industrial Ethernet |
| CN111386714A (en) * | 2019-03-29 | 2020-07-07 | 深圳市大疆创新科技有限公司 | Wi-Fi communication connection establishment method, device and computer-readable storage medium |
| CN112218135A (en) * | 2020-09-23 | 2021-01-12 | 珠海格力电器股份有限公司 | Intelligent device control method, device and computer readable storage medium |
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