CN105392210A - WiFi direct connecting method and WiFi direct connecting device - Google Patents
WiFi direct connecting method and WiFi direct connecting device Download PDFInfo
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- CN105392210A CN105392210A CN201510666985.6A CN201510666985A CN105392210A CN 105392210 A CN105392210 A CN 105392210A CN 201510666985 A CN201510666985 A CN 201510666985A CN 105392210 A CN105392210 A CN 105392210A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The invention discloses a WiFi direct connecting method which comprises the steps of acquiring the channel number of a channel with a least interference in a current WiFi network when a first terminal enters a WiFi direct connecting mode; generating a graphic code by the first terminal according to the channel number so that a second terminal scans the graphic code for acquiring the channel number; and after a WiFi direct connecting request transmitted by the second terminal is received, performing WiFi direct connection with the second terminal by the first terminal according to the channel number. The invention further provides a WiFi direct connecting device. According to the WiFi direct connecting method and the WiFi direct connecting device, the channel number of the terminal in miracast connection is determined through scanning the graphic code, and furthermore miracast application connecting efficiency is improved.
Description
Technical field
The present invention relates to radio transmission technical field, particularly relate to a kind of wireless direct-connected method of attachment and device.
Background technology
Along with the high speed development of Radio Transmission Technology, especially short range wireless transmission---the rise of Wi-Fi, brings great convenience to daily life undoubtedly, and such as, people can browsing page by Wi-Fi, viewing video etc.Therefore, a wireless direct-connected application based on Wi-FiDirect is arisen at the historic moment, such as, and Miracast.Miracast application can make the content on a terminal screen be projected on another terminal screen by wireless network, thus meets the requirement of people in entertainment requirements and Product Experience.
The method that current Miracast application connects comprises: whether detect two terminals and be connected on same wireless network, if two terminals are all connected on same wireless network, then two terminals directly carry out Miracast connection by the channel of wireless network; If two terminals are not connected on same wireless network, then first terminal and the second terminal all scan all channels of wireless network of its access to select high-quality channel, and first terminal and the second terminal make Miracast apply connection by the high-quality channel selected.
The method connects although can realize Miracast application, but two terminals all need the channel scanning wireless network one by one to determine just can connect after on same high-quality channel, to the scanning of disconnected channel extend Miracast apply the connect hours cause Miracast application joint efficiency low.
Summary of the invention
Main purpose of the present invention is to provide a kind of wireless direct-connected method of attachment and device, is intended to solve the low problem of Miracast joint efficiency.
For achieving the above object, direct-connected method of attachment that one provided by the invention is wireless, comprising:
When first terminal enters wireless direct-connected pattern, obtain and currently disturb the channel number that minimum channel is corresponding in the wireless network;
Described first terminal generates graphic code, for graphic code described in described second terminal scanning to obtain described channel number according to described channel number;
After receiving the direct-connected request that the second terminal sends, described first terminal carries out wireless to be direct-connectedly connected according to described channel number and the second terminal.
Preferably, described acquisition is current disturb the step of the channel number that minimum channel is corresponding in the wireless network before, described wireless direct-connected method of attachment comprises:
When described first terminal enters wireless direct-connected pattern, the direct-connected parameter level of local terminal and the direct-connected parameter level preset are compared by described first terminal;
When the described direct-connected parameter level of local terminal equals default direct-connected parameter level, perform and obtain the current step disturbing the channel number that minimum channel is corresponding in the wireless network.
Preferably, after the step that the direct-connected parameter level of local terminal and the direct-connected parameter level preset are compared by described first terminal, described wireless direct-connected method comprises step:
When the described direct-connected parameter level of local terminal is less than default direct-connected parameter level, described first terminal broadcasts direct-connected request;
Described first terminal display graphics code scanning interface;
When scanning interface scanning to graphic code based on described graphic code, described first terminal resolves to obtain channel number to described graphic code;
When receiving the response message providing the terminal of graphic code based on described direct-connected request feedback, described first terminal is set up based on the described channel number obtained and described to provide between the terminal of described graphic code wireless direct-connected.
Preferably, described first terminal carries out the wireless direct-connected step be connected according to described channel number and the second terminal and comprises:
Whether described first terminal detects wireless direct-connected module and starts;
When described wireless direct-connected module does not start, described first terminal starts described wireless direct-connected module;
Described first terminal is set up based on described wireless direct-connected module and the described channel number that gets and is connected with wireless direct-connected between the second terminal.
Preferably, the current step of channel number corresponding to minimum channel of disturbing in the wireless network of described acquisition comprises:
Described first terminal scans all channels of current place wireless network;
Using channel the strongest for described channel signal intensity as the minimum channel of described interference, and obtain channel number corresponding to the minimum channel of described interference.
In addition, for achieving the above object, the present invention also provides a kind of wireless direct-connected jockey, comprising:
Acquisition module, for when the first terminal at its place enters wireless direct-connected pattern, obtains and currently disturbs the channel number that minimum channel is corresponding in the wireless network;
Generation module, for generating graphic code, for graphic code described in described second terminal scanning to obtain described channel number according to described channel number;
Link block, for after receiving the direct-connected request that the second terminal sends, described first terminal carries out wireless to be direct-connectedly connected according to described channel number and the second terminal.
Preferably, described wireless direct connection device also comprises:
Comparing module, during for entering wireless direct-connected pattern, the direct-connected parameter level of local terminal and the direct-connected parameter level preset are compared by described first terminal;
Described acquisition module, also for when the described direct-connected parameter level of local terminal equals default direct-connected parameter level, obtains and currently disturbs the channel number that minimum channel is corresponding in the wireless network.
Preferably, described wireless direct connection device also comprises:
Broadcast module, for when the described direct-connected parameter level of local terminal is less than default direct-connected parameter level, broadcasts direct-connected request;
Display module, for display graphics code scanning interface;
Parsing module, for when scanning interface scanning to graphic code based on described graphic code, resolves to obtain channel number to described graphic code;
Described link block, also for when receiving the response message providing the terminal of graphic code based on described direct-connected request feedback, described first terminal is set up based on the described channel number obtained and described to provide between the terminal of described graphic code wireless direct-connected.
Preferably, described link block comprises:
Whether detecting unit, start for detecting wireless direct-connected module;
Start unit, for when described wireless direct-connected module does not start, starts described wireless direct-connected module;
Linkage unit, is connected with wireless direct-connected between the second terminal for setting up based on described wireless direct-connected module and the described channel number that gets.
Preferably, described acquisition module comprises:
Scanning element, for scanning all channels of current place wireless network;
Acquiring unit, for using channel the strongest for described channel signal intensity as the minimum channel of described interference, and obtain channel number corresponding to the minimum channel of described interference.
The present invention is by the graphic code on end of scan, analysis diagram shape code obtains channel number, Miracast connection is carried out according to channel number, terminal is made clearly to determine to carry out the channel number of Miracast connection, and the channel number that Miracast connects need not be determined by the channel scanning wireless network successively, thus the sweep time reduced the scanning of disconnected channel, improve Miracast joint efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the first embodiment of the wireless direct-connected method of attachment of the present invention;
Fig. 2 is the schematic flow sheet of the second embodiment of the wireless direct-connected method of attachment of the present invention;
Fig. 3 is the schematic flow sheet of the 3rd embodiment of the wireless direct-connected method of attachment of the present invention;
Fig. 4 is the refinement schematic flow sheet that in the 4th embodiment of the wireless direct-connected method of attachment of the present invention, first terminal carries out wireless connections according to described channel number and the second terminal;
Fig. 5 is the refinement schematic flow sheet obtaining the minimum channel number of interference in the 5th embodiment of the wireless direct-connected method of attachment of the present invention;
Fig. 6 is the high-level schematic functional block diagram of the first embodiment of the wireless direct-connected jockey of the present invention;
Fig. 7 is the high-level schematic functional block diagram of the second embodiment of the wireless direct-connected jockey of the present invention;
Fig. 8 is the high-level schematic functional block diagram of the 3rd embodiment of the wireless direct-connected jockey of the present invention;
Fig. 9 is the refinement high-level schematic functional block diagram of link block of the present invention;
Figure 10 is the refinement high-level schematic functional block diagram of receiver module of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Based on the problems referred to above, the invention provides a kind of wireless direct-connected method of attachment.
With reference to the schematic flow sheet that Fig. 1, Fig. 1 are the first embodiment of the wireless direct-connected method of attachment of the present invention.
In the present embodiment, described wireless direct-connected method of attachment comprises:
Step S10, when first terminal enters wireless direct-connected pattern, obtains and currently disturbs the channel number that minimum channel is corresponding in the wireless network;
In the present embodiment, in first terminal, register Miracast action listener, for the monitoring to events such as Miracast application Push And Release, equipment connection and terminals.When first terminal receives the request of opening Miracast application switch, open Miracast application switch, scan all channels of active wireless network radio band used immediately, select a high-quality channel, it is minimum that described high-quality channel can be understood as the space taken by other signal, and the high-quality channel that other signal strength signal intensity described is the most weak, obtains the channel number of described high-quality channel.It should be noted that, under wireless direct-connected pattern, described wireless network can provide 2.4GHz transmit frequency band totally 13 communication channels or 5GHz transmit frequency band totally 23 communication channels.
When described first terminal enters wireless direct-connected pattern, such as, carry out Miracast connection, first terminal is as guiding terminal, and the second terminal is as directed terminal.Described direct-connected request, when detecting the direct-connected request that user triggers, is sent to first terminal by the second terminal; Or the second terminal enters in active wireless network coverage, and Miracast application can detect active wireless network automatically, triggers direct-connected request.Described direct-connected request comprises opens Miracast application switch, terminal equipment connection and interrupts.Described wireless network includes but not limited to Wi-Fi.
Step S20, described first terminal generates graphic code, for graphic code described in described second terminal scanning to obtain channel number according to described channel number;
Get current disturb the channel number that minimum channel is corresponding in the wireless network after, first terminal to obtain channel number carry out automatic pattern coding; Or first terminal detects the graphic code coded command of described channel number, and carry out graphic code coding according to the channel number of the graphic code coded command locking detected; Or, other any suitable modes.Described graphic code includes but not limited to Quick Response Code and bar code.For Quick Response Code in the present embodiment.Quick Response Code uses certain specific geometric figure to carry out record data symbolic information according to certain rule at the graphic code between the bar, Kongxiang of the upper distribution of plane (two-dimensional directional).Second terminal obtains described channel number by the described Quick Response Code of scanning, confirms to carry out the wireless direct-connected channel be connected with first terminal, after sending direct-connected request, waits for return information at this channel.
Step S30, after receiving the direct-connected request that the second terminal sends, described first terminal carries out wireless to be direct-connectedly connected according to described channel number and the second terminal.
In the present embodiment, session stage is set up at Miracast, first terminal and the second terminal carry out capability negotiation by setting up TCP interface channel, first terminal is according to default connection signal type, the connection signal message connection signal of input being packaged into respective type sends to described second terminal, described second terminal is according to the connection signal type preset, the connection signal message received is resolved, obtain the connection signal after resolving, realize described first terminal and carry out Miracast according to described channel number and the second terminal and be connected.
Terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise mobile terminal or fixed terminal.Mobile terminal, such as mobile phone, smart phone, notebook computer, lion radio receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc.; Fixed terminal, such as digital TV, desktop computer etc.Described mobile terminal or fixed terminal all can have one be comparatively speaking large-screen another be the small screen.In the present embodiment, can think that first terminal is the fixed terminal of relatively large screen, the second terminal is the mobile terminal of relatively the small screen.Such as, connected by the Miracast opening two terminals, user can allow the content on smart mobile phone be projected by wireless network on the large-size screen monitors such as intelligent television; Or user also can allow the content on intelligent television screen be projected on the small screen terminal equipments such as smart mobile phone by wireless network.
The present invention is by the graphic code on end of scan, analysis diagram shape code obtains channel number, Miracast connection is carried out according to channel number, terminal is made clearly to determine to carry out the channel number of Miracast connection, and the channel number that Miracast connects need not be determined by the channel scanning wireless network successively, thus the sweep time reduced the scanning of disconnected channel, improve Miracast joint efficiency.
Further, based on the first embodiment, propose the second embodiment of the wireless direct-connected method of attachment of the present invention, in the present embodiment, before Fig. 2 above-mentioned steps S10, also comprise:
Step S40, when described first terminal enters wireless direct-connected pattern, the direct-connected parameter level of local terminal and the direct-connected parameter level preset are compared by described first terminal;
In the present embodiment, in described first terminal system, read the direct-connected parameter in the wireless network program arranged, determine the grade of described direct-connected parameter.User can be different brackets according to direct-connected parameter p 2p_go_intent in the wireless network direct-connected configuration file p2p_supplicant needing to arrange described first terminal system, the difference of direct-connected parameter level, determines that first terminal is as leading end or as directed end when direct-connected connection.When described first terminal enters wireless direct-connected pattern, compare the direct-connected parameter level of local terminal and the size presetting direct-connected parameter level.Described direct-connected configuration file reads from wireless network program.Such as, in terminal system, in Wi-Fi direct configuration file p2p_supplicant, the grade of direct-connected parameter p 2p_go_intent has two kinds of form p2p_go_intent=15 or p2p_go_intent<15.
When the described direct-connected parameter level of local terminal equals default direct-connected parameter level, perform step S10 and namely obtain and currently disturb the channel number that minimum channel is corresponding in the wireless network.
In the present embodiment, the terminal system grade that parameter p 2p_go_intent is arranged in wireless direct-connected configuration file p2p_supplicant is in the wireless network different, described terminal will be exchanged at leading end and directed end, and namely described terminal will be exchanged between generation graphic code terminal and scintigram shape code terminal.When the direct-connected parameter level of local terminal equals default direct-connected parameter level, namely when the grade that in terminal system, in Wi-Fi direct configuration file p2p_supplicant, direct-connected parameter p 2p_go_intent is arranged is p2p_go_intent=15, described first terminal is defined as leading end, scan the channel of current place environment wireless network, obtain in wireless network and disturb the channel number that minimum channel is corresponding.Described leading end comprises the direct-connected boot request of feedback, generates graphic code and scanning wireless network signal etc.
Those skilled in the art are understandable that, the direct-connected parameter level of terminal by comparison local terminal and the size of default direct-connected parameter level, can determine that local terminal is leading end or directed end, thus make local terminal perform different functions.
Further, based on the first or second embodiment, propose the 3rd embodiment of the wireless direct-connected method of attachment of the present invention, in the present embodiment, after Fig. 3 above-mentioned steps S40, also comprise:
Step S50, when the described direct-connected parameter level of local terminal is less than default direct-connected parameter level, described first terminal broadcasts direct-connected request;
In the present embodiment, the limit priority that in the direct-connected in the wireless network configuration file p2p_supplicant of the described first terminal got, direct-connected parameter p 2p_go_intent is arranged is less than 15, determines that described first terminal is scintigram shape code terminal and directed end.The direct-connected request of wireless direct-connected module Auto broadcast of first terminal; Or, broadcast direct-connected request based on the wireless direct-connected module of the triggering first terminal of user.The receiving terminal of described direct-connected request is not limited to one, can have multiple.
Step S60, described first terminal display graphics code scanning interface;
After described first terminal broadcasts direct-connected request, the information prompting that user can click direct-connected request broadcast directly enters first terminal display graphics code scanning interface, such as, double-clicks the graphic code scanning interface shortcut icon on locking screen interface; Or user finds graphic code to scan interface application and clicks rear display graphics code scanning interface.
Concrete, wireless network is to the prompting mount message of the terminal broadcast affiliate application in the wireless network signal coverage at its place.Need as scintigram shape code terminal and the terminal of not installing this associated application, after receiving this prompting mount message, user can download according to corresponding prompting step and install this associated application.Described affiliate application is the application program identifying Quick Response Code, and it can adopt the form of APP.Described wireless network includes but not limited to Wi-Fi wireless network.Described wireless network signal coverage area can be, such as, has installed wireless router in room, and the scope that wireless network signal covers is the region at place, room; Installed wireless router in public places, the scope that wireless network signal covers is the region at place, public place.
Step S70, when scanning interface scanning to graphic code based on described graphic code, described first terminal resolves to obtain channel number to described graphic code;
When first terminal uses the Quick Response Code of described associated application scanning recognition one outside, described affiliate application obtains channel number corresponding to described Quick Response Code.First terminal is monitored Quick Response Code and is resolved event, and after obtaining the channel number being used for Miracast connection, described first terminal opens described Miracast switch automatically according to described channel number.Described first terminal sends direct-connected request to providing the terminal of described graphic code, and in the first-class information to be feedback of the described channel got., providing the terminal of described graphic code can be the second terminal herein, also can be current other-end in the wireless network.
Step S80, when receiving the response message providing the terminal of graphic code based on described direct-connected request feedback, described first terminal is set up based on the described channel number obtained and described to provide between the terminal of described graphic code wireless direct-connected.
When carrying out direct-connected connection, described in provide the terminal of described graphic code to be leading end, generate graphic code carry out scan operation for first terminal based on described graphic code, described first terminal is directed end.Described the terminal monitoring of described graphic code to direct-connected request is provided after generate wireless direct-connected link information and return to first terminal.Describedly provide the terminal of described graphic code can receive multiple terminal to send direct-connected request, and based on described direct-connected request to multiple terminal feedback response message.After first terminal receives response message on the channel got, carry out Miracast according to described channel number and first terminal and be connected.
Illustrate how said method realizes below by a specific embodiment.
In room, all channels of television and described second terminal scanning active wireless network signal cover, determine a high-quality channel, to obtain the channel number of described high-quality channel, generate image in 2 D code according to described channel number.Described image in 2 D code can be presented on the screen of television with the form of icon, also can print and be attached in room.Described television sends the broadcast of the information of installing the related application that Miracast connects.After user enters described wireless network signal coverage, then accept the broadcast of the information of installing the related application that Miracast connects, according to broadcast, associated application is installed.Mobile phone terminal and described first terminal scan described image in 2 D code, obtain the channel number of the wireless network corresponding with described image in 2 D code, another terminal of image in 2 D code and described television is provided to send direct-connected request from trend, after receiving response message, set up Miracast with described television and be connected.
The present embodiment sends direct-connected request by first terminal to the described terminal of described graphic code that provides, described first terminal provides graphic code to scan interface, achieve first terminal to be exchanged to directed end by leading end, effectively solve leading end and directed end all needs to scan radio network information channel, increase the problem of sweep time.
Further, based on the first embodiment, propose the 4th embodiment of the wireless direct-connected method of attachment of the present invention, in the present embodiment, comprise with reference to Fig. 4 above-mentioned steps S30:
Step S31, whether described first terminal detects wireless direct-connected module and starts;
After the direct-connected request receiving the second terminal transmission, judge whether the wireless direct-connected module of first terminal starts.Described wireless direct-connected module monitor direct-connected request, Miracast switch, equipment connection and send to local terminal and open the instruction of Miracast switch.When the Miracast switch of local terminal is opened, directly Miracast connection can be carried out.
Step S32, when described wireless direct-connected module does not start, described first terminal starts described wireless direct-connected module;
When wireless direct-connected module is not opened, described first terminal receives the instruction of opening Miracast switch that local terminal sends, and from the graphic code that local terminal is resolved the channel number that gets, automatically open described wireless direct-connected module according to the instruction of the described Miracast of opening switch and channel number; Or, trigger Miracast switch based on user.
Step S33, described first terminal is set up based on described wireless direct-connected module and the described channel number that gets and is connected with wireless direct-connected between the second terminal.
In the present embodiment, described second terminal adopts Miracast agreement to receive connection signal and the real-time control of described first terminal, and the content on first terminal screen is shared be presented on the second terminal screen, by described second terminal hardware system signal decoded and encode, realizing the signal transmission of applicable large-screen in the small screen.Described Miracast agreement receives the connection signal of described first end and real-time control and comprises and set up TCP interface channel and carry out capability negotiation.
Or, described second terminal adopts Miracast agreement to receive connection signal and the real-time control of described first terminal, and the content on the second terminal screen is shared be presented on first terminal screen, by described first terminal hardware system signal decoded and encode, realizing the signal transmission of suitable the small screen on large-screen.
It will be appreciated by those skilled in the art that, when not using Miracast to apply, the switch of Miracast application is cut out, and reduces the power consumption of terminal and reduce terminal taking wireless network; Open the instruction of Miracast switch and channel number and automatically open by obtaining the switch that Miracast applies, improve the Experience Degree of application.
Further, based on above-mentioned any embodiment, propose the 5th embodiment of the wireless direct-connected method of attachment of the present invention, in the present embodiment, above-mentioned steps S10 comprises:
Step S11, described first terminal scans all channels of current place wireless network;
The direct-connected parameter level that the direct-connected parameter level of first terminal comparison local terminal and local terminal are preset, determines that the direct-connected parameter level of local terminal is after limit priority 15, and described first terminal is leading end scanning active wireless network channel.First terminal detects active wireless network signal.
Step S22, using channel the strongest for described channel signal intensity as the minimum channel of described interference, and obtains channel number corresponding to the minimum channel of described interference.
In the present embodiment, first terminal selects the wireless network that in active wireless network, signal strength signal intensity is the strongest;
Or, when first terminal detects wireless network, a wireless network signal strength threshold value is set, if the signal strength signal intensity detected is less than described default wireless network signal strength threshold value, then abandon, continue to detect the wireless network signal strength in current environment, until detect that channel strength is greater than the wireless network signal of described wireless network signal strength threshold value.If the wireless network signal that the channel strength detected is greater than described wireless network signal strength threshold value is greater than one, then these signal strength signal intensities are compared, obtain the wireless network signal that signal strength signal intensity is maximum, first terminal bottom starts wireless network scan function, obtain the channel and channel/bandwidth occupancy states information that comprise in described wireless network, Enable/Disable uses channel/bandwidth status information.
It will be appreciated by those skilled in the art that, when terminal connects Wi-Fi, the channel that meeting prioritizing selection Wi-Fi signal is stronger connects.Because the space taken by other signal in the channel that described signal is stronger is little, and the intensity of other signal described is weak.Therefore, the interference of the channel that described signal is stronger is little, and communication is smooth and easy.So terminal is when carrying out Miracast and connecting, and the channel that meeting priority scan Wi-Fi signal is more weak, is defined as high-quality channel by channel the strongest for described signal, and obtains the channel number of described high-quality channel.
The present invention further provides a kind of wireless direct-connected jockey.
With reference to the high-level schematic functional block diagram that Fig. 6, Fig. 6 are the first embodiment of the wireless direct-connected jockey of the present invention.
In the present embodiment, described device comprises: acquisition module 10, generation module 20, link block 30.
Described acquisition module 10, for when the first terminal at its place enters wireless direct-connected pattern, obtains and currently disturbs the channel number that minimum channel is corresponding in the wireless network;
In the present embodiment, in the link block 30 of described first terminal, Miracast action listener is registered, for the monitoring to events such as Miracast application Push And Release, equipment connection and terminals.When the receiver module 10 of described first terminal receives the request of opening Miracast application switch, open Miracast application switch, scan all channels of active wireless network radio band used immediately, select a high-quality channel, it is minimum that described high-quality channel can be understood as the space taken by other signal, and the high-quality channel that other signal strength signal intensity described is the most weak, obtains the channel number of described high-quality channel.It should be noted that, under wireless direct-connected pattern, described wireless network can provide 2.4GHz transmit frequency band totally 13 communication channels or 5GHz transmit frequency band totally 23 communication channels.
When carrying out wireless direct-connected connection, such as, carry out Miracast connection, first terminal is as guiding terminal, and the second terminal is as directed terminal.Described direct-connected request, when detecting the direct-connected request that user triggers, is sent to the receiver module 10 of described first terminal by the second terminal; Or the second terminal enters in active wireless network coverage, and Miracast application can detect active wireless network automatically, triggers direct-connected request.Described direct-connected request comprises opens Miracast application switch, terminal equipment connection and interrupts.Described wireless network includes but not limited to Wi-Fi.
Described generation module 20, for generating graphic code, for graphic code described in described second terminal scanning to obtain described channel number according to described channel number;
Get current disturb the channel number that minimum channel is corresponding in the wireless network after, the channel number of described generation module 20 carries out automatic pattern coding; Or described generation module 20 detects the graphic code coded command of described channel number, and carry out graphic code coding according to the channel number of the graphic code coded command locking detected; Or, other any suitable modes.Described graphic code includes but not limited to Quick Response Code and bar code.For Quick Response Code in the present embodiment.Quick Response Code uses certain specific geometric figure to carry out record data symbolic information according to certain rule at the graphic code between the bar, Kongxiang of the upper distribution of plane (two-dimensional directional).Second terminal obtains described channel number by the described Quick Response Code of scanning, confirms to carry out the wireless direct-connected channel be connected with first terminal, after sending direct-connected request, waits for return information at this channel.
Described link block 30, for after receiving the direct-connected request that the second terminal sends, described first terminal carries out wireless to be direct-connectedly connected according to described channel number and the second terminal.
In the present embodiment, session stage is set up at Miracast, the link block 30 of first terminal and the second terminal carry out capability negotiation by setting up TCP interface channel, described link block 30 is according to default connection signal type, the connection signal message connection signal of input being packaged into respective type sends to described second terminal, described second terminal is according to the connection signal type preset, the connection signal message received is resolved, obtain the connection signal after resolving, realize described first terminal to carry out Miracast according to described channel number and the second terminal and be connected.
Terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise mobile terminal or fixed terminal.Mobile terminal, such as mobile phone, smart phone, notebook computer, lion radio receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc.; Fixed terminal, such as digital TV, desktop computer etc.Described mobile terminal or fixed terminal all can have one be comparatively speaking large-screen another be the small screen.In the present embodiment, can think that first terminal is the fixed terminal of relatively large screen, the second terminal is the mobile terminal of relatively the small screen.Such as, connected by the Miracast opening two terminals, user can allow the content on smart mobile phone be projected by wireless network on the large-size screen monitors such as intelligent television; Or user also can allow the content on intelligent television screen be projected on the small screen terminal equipments such as smart mobile phone by wireless network.
The present embodiment is by the graphic code on end of scan, analysis diagram shape code obtains channel number, Miracast connection is carried out according to channel number, terminal is made clearly to determine to carry out the channel number of Miracast connection, and the channel number that Miracast connects need not be determined by the channel scanning wireless network successively, thus the sweep time reduced the scanning of disconnected channel, improve Miracast joint efficiency.
With reference to the high-level schematic functional block diagram that Fig. 7, Fig. 7 are the second embodiment of the wireless direct-connected jockey of the present invention.
In the present embodiment, described device also comprises: comparing module 40.
Described comparing module 40, during for entering wireless direct-connected pattern, the direct-connected parameter level of local terminal and the direct-connected parameter level preset are compared by described first terminal;
In the present embodiment, in described comparing module 40, read the direct-connected parameter in the wireless network program arranged, determine the grade of described direct-connected parameter.User can be different brackets according to direct-connected parameter p 2p_go_intent in the wireless network direct-connected configuration file p2p_supplicant needing to arrange described comparing module 40, the difference of direct-connected parameter level, determines that first terminal is as leading end or as directed end when direct-connected connection.When described first terminal enters wireless direct-connected pattern, compare and compare the direct-connected parameter level of local terminal and the size presetting direct-connected parameter level by described comparing module 40.Described direct-connected configuration file reads from wireless network program.Such as, in terminal system, in Wi-Fi direct configuration file p2p_supplicant, the grade of direct-connected parameter p 2p_go_intent has two kinds of form p2p_go_intent=15 or p2p_go_intent<15.
Described acquisition module 10, when the described direct-connected parameter level of local terminal equals default direct-connected parameter level, obtains and currently disturbs the channel number that minimum channel is corresponding in the wireless network.
In the present embodiment, terminal system in the wireless network in wireless direct-connected configuration file p2p_supplicant direct-connected parameter p 2p_go_intent to arrange described grade different, described terminal will be exchanged at leading end and directed end, and namely described terminal will be exchanged between generation graphic code terminal and scintigram shape code terminal.Described acquisition module 10 detects when the direct-connected parameter level of local terminal equals default direct-connected parameter level, namely when the grade that in terminal system, in Wi-Fi direct configuration file p2p_supplicant, direct-connected parameter p 2p_go_intent is arranged is p2p_go_intent=15, described first terminal is defined as leading end, scan the channel of current place environment wireless network, obtain in wireless network and disturb the channel number that minimum channel is corresponding.
Those skilled in the art are understandable that, the direct-connected parameter level of terminal by comparison local terminal and the size of default direct-connected parameter level, can determine that local terminal is leading end or directed end, thus make local terminal perform different functions.
With reference to the high-level schematic functional block diagram that Fig. 8, Fig. 8 are the 3rd embodiment of the wireless direct-connected jockey of the present invention.
In the present embodiment, described device also comprises: broadcast module 60, display module 70, parsing module 80.
Described broadcast module 50, for when the described direct-connected parameter level of local terminal is less than default direct-connected parameter level, broadcasts direct-connected request;
In the present embodiment, the limit priority that in the direct-connected in the wireless network configuration file p2p_supplicant of the described first terminal that described acquisition module 10 gets, direct-connected parameter p 2p_go_intent is arranged is less than 15, determines that described second terminal is scintigram shape code terminal.The direct-connected request of wireless direct-connected module Auto broadcast of the described broadcast module 50 of first terminal; Or described broadcast module 50 is triggering the wireless direct-connected module broadcast request of first terminal based on user.The receiving terminal of described direct-connected request is not limited to one, can have multiple.
Described display module 60, for display graphics code scanning interface;
After the described broadcast module 50 of described first terminal broadcasts direct-connected request, the graphic code scanning interface that the described display module 60 that the information prompting that user can click direct-connected request broadcast directly enters first terminal shows, such as, the graphic code scanning interface shortcut icon on locking screen interface is double-clicked; Or user finds graphic code to scan interface application and clicks rear display graphics code scanning interface.
Concrete, wireless network is to the prompting mount message of the terminal broadcast affiliate application in the wireless network signal coverage at its place.Need as scintigram shape code terminal and the terminal of not installing this associated application, after receiving this prompting mount message, user can download and install this associated application according to corresponding prompting step.Described affiliate application is the application program identifying Quick Response Code, and it can adopt the form of APP.Described wireless network includes but not limited to Wi-Fi wireless network.Described wireless network signal coverage area can be, such as, has installed wireless router in room, and the scope that wireless network signal covers is the region at place, room; Installed wireless router in public places, the scope that wireless network signal covers is the region at place, public place.
Described parsing module 70, for when scanning interface scanning to graphic code based on described graphic code, described first terminal resolves to obtain channel number to described graphic code.
When described parsing module 70 uses the Quick Response Code of described associated application scanning recognition one outside, described affiliate application obtains channel number corresponding to described Quick Response Code.The link block 30 of described first terminal is monitored Quick Response Code and is resolved event, and after obtaining the channel number being used for Miracast connection, described first terminal opens described Miracast switch automatically according to described channel number.Described first terminal sends direct-connected request to providing the terminal of described graphic code, and in the first-class information to be feedback of the described channel got., providing the terminal of described graphic code can be the second terminal herein, also can be current other-end in the wireless network.
Described link block 30, also for when receiving the response message providing the terminal of described graphic code based on described direct-connected request feedback, described first terminal is set up based on the described channel number obtained and described to provide between the terminal of described graphic code wireless direct-connected.
When carrying out direct-connected connection, described in provide the terminal of described graphic code to be leading end, generate graphic code carry out scan operation for first terminal based on described graphic code, described first terminal is directed end.Described the terminal monitoring of described graphic code to direct-connected request is provided after generate wireless direct-connected link information and return to first terminal.Describedly provide the terminal of described graphic code can receive multiple terminal to send direct-connected request, and based on described direct-connected request to multiple terminal feedback response message.After described link block 30 receives response message on the channel got, carry out Miracast according to described channel number and first terminal and be connected.
Illustrate how said method realizes below by a specific embodiment.
In room, all channels of television and described second terminal scanning active wireless network signal cover, determine a high-quality channel, to obtain the channel number of described high-quality channel, generate image in 2 D code according to described channel number.Described image in 2 D code can be presented on the screen of television with the form of icon, also can print and be attached in room.Described television sends the broadcast of the information of installing the related application that Miracast connects.After user enters described wireless network signal coverage, then accept the broadcast of the information of installing the related application that Miracast connects, according to broadcast, associated application is installed.Mobile phone terminal and described first terminal scan described image in 2 D code, obtain the channel number of the wireless network corresponding with described image in 2 D code, another terminal of image in 2 D code and described television is provided to send direct-connected request from trend, after receiving response message, set up Miracast with described television and be connected.
The present embodiment sends direct-connected request by first terminal to the described terminal of described graphic code that provides, described first terminal provides graphic code to scan interface, achieve first terminal to be exchanged to directed end by leading end, effectively solve leading end and directed end all needs to scan radio network information channel, increase the problem of sweep time.
With reference to the high-level schematic functional block diagram that Fig. 9, Fig. 9 are link block 30 1 embodiment of the present invention.
In the present embodiment, described link block 30 comprises detecting unit 31, start unit 32, linkage unit 33.
Whether described detecting unit 31, start for detecting wireless direct-connected module;
After the direct-connected request receiving the second terminal transmission, described detecting unit 31 judges whether the wireless direct-connected module of first terminal starts.Described wireless direct-connected module monitor direct-connected request, Miracast switch, equipment connection and send to local terminal and open the instruction of Miracast switch.Described detecting unit 31 detects when the Miracast switch of local terminal is opened, directly can carry out Miracast connection.
Described start unit 32, for when described wireless direct-connected module does not start, starts described wireless direct-connected module;
Described detecting unit 31 detects that local terminal is not when wireless direct-connected module is opened, the described start unit 32 of first terminal receives the instruction of opening Miracast switch of local terminal transmission, and from the graphic code that local terminal is resolved the channel number that gets, automatically open described wireless direct-connected module according to the instruction of the described Miracast of opening switch and channel number; Or, trigger Miracast switch based on user.
Described linkage unit 33, is connected with wireless direct-connected between the second terminal for setting up based on described wireless direct-connected module and the described channel number that gets.
In the present embodiment, the described linkage unit 33 of described second terminal adopts Miracast agreement to receive connection signal and the real-time control of described first terminal, and the content on first terminal screen is shared be presented on the second terminal screen, decode by described linkage unit 33 pairs of signals of described second terminal and encode, realize the signal transmission of suitable large-screen in the small screen.Described Miracast agreement receives the connection signal of described first end and real-time control and comprises and set up TCP interface channel and carry out capability negotiation.
Or, the described linkage unit 33 of described second terminal adopts Miracast agreement to receive connection signal and the real-time control of described first terminal, and the content on the second terminal screen is shared be presented on first terminal screen, by described first terminal hardware system signal decoded and encode, realizing the signal transmission of suitable the small screen on large-screen.
It will be appreciated by those skilled in the art that, when not using Miracast to apply, the switch of Miracast application is cut out, and reduces the power consumption of terminal and reduce terminal taking wireless network; Open the instruction of Miracast switch and channel number and automatically open by obtaining the switch that Miracast applies, improve the Experience Degree of application.
With reference to the high-level schematic functional block diagram that Figure 10, Figure 10 are acquisition module 10 1 embodiment of the present invention.
In the present embodiment, described acquisition module 10 comprises scan module 11, acquiring unit 12.
Described scanning element 11, for scanning all channels of current place wireless network;
At the direct-connected parameter level that direct-connected parameter level and the local terminal of first terminal comparison local terminal are preset, determine that the direct-connected parameter level of local terminal is after limit priority 15, described first terminal is leading end, scans active wireless network channel by described scanning element 11.First terminal detects active wireless network signal.
Described acquiring unit 12, for using channel the strongest for described channel signal intensity as the minimum channel of described interference, and obtain channel number corresponding to the minimum channel of described interference.
In the present embodiment, the described acquiring unit 12 of first terminal selects the wireless network that in active wireless network, signal strength signal intensity is the strongest;
Or, at acquiring unit described in first terminal 12 when detecting wireless network, pre-set a wireless network signal strength threshold value, if the signal strength signal intensity detected is less than described default wireless network signal strength threshold value, then abandon, continue to detect the wireless network signal strength in current environment, until detect that channel strength is greater than the wireless network signal of described wireless network signal strength threshold value.If the wireless network signal that the channel strength detected is greater than described wireless network signal strength threshold value is greater than one, then these signal strength signal intensities are compared, obtain the wireless network signal that signal strength signal intensity is the strongest, first terminal bottom starts wireless network scan function, obtain the channel and channel/bandwidth occupancy states information that comprise in described wireless network, Enable/Disable uses channel/bandwidth status information.
It will be appreciated by those skilled in the art that, when terminal connects Wi-Fi, the channel that meeting prioritizing selection Wi-Fi signal is stronger connects.Because the space taken by other signal in the channel that described signal is stronger is little, and the intensity of other signal described is weak.Therefore, the interference of the channel that described signal is stronger is little, and communication is smooth and easy.So terminal is when carrying out Miracast and connecting, and the channel that meeting priority scan Wi-Fi signal is more weak, is defined as high-quality channel by channel the strongest for described signal, and obtains the channel number of described high-quality channel.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a wireless direct-connected method of attachment, is characterized in that, comprise step:
When first terminal enters wireless direct-connected pattern, obtain and currently disturb the channel number that minimum channel is corresponding in the wireless network;
Described first terminal generates graphic code, for graphic code described in described second terminal scanning to obtain described channel number according to described channel number;
After receiving the direct-connected request that the second terminal sends, described first terminal carries out wireless to be direct-connectedly connected according to described channel number and the second terminal.
2. wireless direct-connected method of attachment as claimed in claim 1, is characterized in that, described acquisition is current disturb the step of the channel number that minimum channel is corresponding in the wireless network before, described wireless direct-connected method of attachment comprises:
When described first terminal enters wireless direct-connected pattern, the direct-connected parameter level of local terminal and the direct-connected parameter level preset are compared by described first terminal;
When the described direct-connected parameter level of local terminal equals default direct-connected parameter level, perform and obtain the current step disturbing the channel number that minimum channel is corresponding in the wireless network.
3. wireless direct-connected method of attachment as claimed in claim 2, is characterized in that, after the step that the direct-connected parameter level of local terminal and the direct-connected parameter level preset are compared by described first terminal, described wireless direct-connected method comprises step:
When the described direct-connected parameter level of local terminal is less than default direct-connected parameter level, described first terminal broadcasts direct-connected request;
Described first terminal display graphics code scanning interface;
When scanning interface scanning to graphic code based on described graphic code, described first terminal resolves to obtain channel number to described graphic code;
When receiving the response message providing the terminal of graphic code based on described direct-connected request feedback, described first terminal is set up based on the described channel number obtained and described to provide between the terminal of described graphic code wireless direct-connected.
4. wireless direct-connected method of attachment as claimed in claim 1, is characterized in that, described first terminal carries out the wireless direct-connected step be connected according to described channel number and the second terminal and comprises:
Whether described first terminal detects wireless direct-connected module and starts;
When described wireless direct-connected module does not start, described first terminal starts described wireless direct-connected module;
Described first terminal is set up based on described wireless direct-connected module and the described channel number that gets and is connected with wireless direct-connected between the second terminal.
5. the wireless direct-connected method of attachment as described in any one of claim 1-4, is characterized in that, the current step of channel number corresponding to minimum channel of disturbing in the wireless network of described acquisition comprises:
Described first terminal scans all channels of current place wireless network;
Using channel the strongest for described channel signal intensity as the minimum channel of described interference, and obtain channel number corresponding to the minimum channel of described interference.
6. a wireless direct-connected jockey, is characterized in that, comprising:
Acquisition module, for when the first terminal at its place enters wireless direct-connected pattern, obtains and currently disturbs the channel number that minimum channel is corresponding in the wireless network;
Generation module, for generating graphic code, for graphic code described in described second terminal scanning to obtain described channel number according to described channel number;
Link block, for after receiving the direct-connected request that the second terminal sends, described first terminal carries out wireless to be direct-connectedly connected according to described channel number and the second terminal.
7. wireless direct-connected jockey as claimed in claim 6, is characterized in that, described wireless direct connection device also comprises:
Comparing module, during for entering wireless direct-connected pattern, the direct-connected parameter level of local terminal and the direct-connected parameter level preset are compared by described first terminal;
Described acquisition module, also for when the described direct-connected parameter level of local terminal equals default direct-connected parameter level, obtains and currently disturbs the channel number that minimum channel is corresponding in the wireless network.
8. wireless direct-connected jockey as claimed in claim 7, is characterized in that, described wireless direct connection device also comprises:
Broadcast module, for when the described direct-connected parameter level of local terminal is less than default direct-connected parameter level, broadcasts direct-connected request;
Display module, for display graphics code scanning interface;
Parsing module, for when scanning interface scanning to graphic code based on described graphic code, resolves to obtain channel number to described graphic code;
Described link block, also for when receiving the response message providing the terminal of graphic code based on described direct-connected request feedback, described first terminal is set up based on the described channel number obtained and described to provide between the terminal of described graphic code wireless direct-connected.
9. wireless direct-connected jockey as claimed in claim 6, it is characterized in that, described link block comprises:
Whether detecting unit, start for detecting wireless direct-connected module;
Start unit, for when described wireless direct-connected module does not start, starts described wireless direct-connected module;
Linkage unit, is connected with wireless direct-connected between the second terminal for setting up based on described wireless direct-connected module and the described channel number that gets.
10. the wireless direct-connected jockey as described in any one of claim 6-9, is characterized in that, described acquisition module comprises:
Scanning element, for scanning all channels of current place wireless network;
Acquiring unit, for using channel the strongest for described channel signal intensity as the minimum channel of described interference, and obtain channel number corresponding to the minimum channel of described interference.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510666985.6A CN105392210B (en) | 2015-10-15 | 2015-10-15 | Wireless direct-connected connection method and device |
| PCT/CN2016/084439 WO2017063369A1 (en) | 2015-10-15 | 2016-06-02 | Method of establishing wireless direct connection and device utilizing same |
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| CN201510666985.6A CN105392210B (en) | 2015-10-15 | 2015-10-15 | Wireless direct-connected connection method and device |
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| CN105392210B CN105392210B (en) | 2019-03-12 |
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| CN201510666985.6A Active CN105392210B (en) | 2015-10-15 | 2015-10-15 | Wireless direct-connected connection method and device |
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| WO (1) | WO2017063369A1 (en) |
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| CN105392210B (en) | 2019-03-12 |
| WO2017063369A1 (en) | 2017-04-20 |
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