CN102710778A - Collaboration wireless display system and working method thereof - Google Patents
Collaboration wireless display system and working method thereof Download PDFInfo
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- CN102710778A CN102710778A CN2012101832538A CN201210183253A CN102710778A CN 102710778 A CN102710778 A CN 102710778A CN 2012101832538 A CN2012101832538 A CN 2012101832538A CN 201210183253 A CN201210183253 A CN 201210183253A CN 102710778 A CN102710778 A CN 102710778A
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Abstract
The invention relates to a collaboration wireless display system, which comprises a source device, a target device and collaboration devices; the source device is respectively connected with a plurality of collaboration devices through a wireless transmission network; the collaboration devices are respectively connected with the target device through the wireless transmission network; and the source device is connected with the target device through the wireless transmission network. The source device transmits display data, the collaboration devices are used for receiving the display data of the source device and for forwarding the display data to the target device, and the target device receives the display data and performs the screen display. Due to the adoption of the system and the working method thereof, not only are the link stability of the wireless screen and the data transmission reliability improved, and is the image quality under a complicate wireless communication environment improved, but also a visual effect of the wireless screen can be enhanced.
Description
Technical field
The present invention relates to wireless biography screen system of a kind of cooperation and method of work thereof, belong to the computer network, multimedia transmission technology field.
Background technology
Along with the development of network technology and digital multimedia technology, the free information interaction capabilities between the digital multimedia device become the direction that household electrical appliances and communications industry develop, so the interconnection and interflow between the multimedia equipment has become a kind of basic demand.Wireless biography screen The Application of Technology; Realized wireless interconnected between media termination under the network environments such as 3G, WiFi (like intelligent television, mobile phone, panel computer, notebook etc.), thus realized that content is shared, multi-screen interactive and and the user between natural interaction.
Wireless biography screen technology is meant through wireless network, and the screen display content of multimedia terminal, source through intercepting, is sent in real time on the purpose multimedia terminal with the form of Streaming Media and shows.Generally terminal with strong multimedia processing capability, like computer, smart mobile phone etc. as the multimedia terminal, source; And bigger screen size, have good audio visual effect, like TV etc. as the purpose multimedia terminal.Wireless biography screen technology combines the sound effect and the effect screen of the processing advantage of computer, pad and mobile phone and TV, home theater effectively fully.Present wireless biography screen has obtained preliminary application, and Intel has issued the wireless high-definition transmission technology of WiDi by name (Wireless Display) in the CES exhibitions, can the displaying contents of notebook be transferred on the TV through the WiFi network wireless; At home, Hisense's employing has been released based on " enjoying screen " technology of IGRS's international standard and has been had I ' TV2 intelligent mobile terminal with " multi-screen is interactive " function that shows unique characteristics and the intelligent television of supporting wireless biography screen.
Up to the present, what wireless biography screen technology adopted all is end-to-end direct transmission, does not consider the collaboration communication technology, the link stability of under the situation of circumstance complication, transmitting, and transmission reliability can't be protected.
Summary of the invention
To above technical deficiency, the present invention introduces cooperation technology in wireless biography screen, provide a kind of cooperation wireless biography screen system.
The present invention also provides the method for work of the wireless biography screen system of a kind of above-mentioned cooperation, improves link stability, transmission reliability, picture quality and the transmission speed of wireless biography screen with this.
Technical scheme of the present invention is following:
The wireless biography screen system of a kind of cooperation, it comprises source device, destination device and cooperative equipment; Described source device is connected through wireless-transmission network with described a plurality of cooperative equipment respectively; Described a plurality of cooperative equipment is connected with said destination device through wireless-transmission network respectively; Said source device is connected through wireless-transmission network with destination device.Said source device sends and passes the screen data, and cooperative equipment is used for the biography screen data of reception sources equipment and is transmitted to destination device, and destination device receives and passes the screen data and carry out screen display.
Preferred according to the present invention, described wireless-transmission network is 3G wireless network or WiFi wireless network.
A kind of method of work like the wireless biography screen system of above-mentioned cooperation comprises that step is following:
(1) source device, cooperative equipment and destination device carry out interconnected through wireless-transmission network;
(2) source device and destination device are set up through wireless-transmission network and are passed the screen data transmission link;
(3) source device and cooperative equipment are set up through wireless-transmission network and are passed the screen data transmission link;
(4) cooperative equipment and destination device are set up through wireless-transmission network and are passed the screen data transmission link;
(5) cooperative equipment sends it back source device with the cooperation performance parameter of self, and described cooperation performance parameter comprises the computational speed of cooperative equipment, the signal to noise ratio and the channel speed of the pairing data transmission link of cooperative equipment;
(6) source device is grouped into the cooperative equipment group according to the cooperative equipment performance parameter of cooperating with the similar cooperative equipment of cooperation performance parameter, and the method for said grouping comprises the steps:
A. at first divide into groups according to the transmission rate of cooperative equipment, transmission rate is a group of 0-300Kbps, and transmission rate is a group of 300Kbps-2Mbps, and transmission rate is one group of 2Mbps-10Mbps, and transmission rate is to be one group more than the 10Mbps; If can't divide into groups, then carry out step b according to transmission rate;
B. divide into groups according to the computational speed of cooperative equipment: computation rate is a group of 0-500MHz, and computation rate is a group of 500MHz-1GHz, and computation rate is to be one group more than the 1G;
(7) source device is set up synergistic link according to following condition selecting collaboration equipment: the said cooperative equipment of choosing is that transmission rate is greater than the cooperative equipment that passes the screen data rate;
(8) source device carries out intercepting to self on-screen data, and the time of source device during with the on-screen data of said intercepting and intercepting is encapsulated as in the lump and passes the screen data; Described on-screen data comprises voice data and video data;
(9) source device respectively through wireless-transmission network to destination device and the cooperative equipment of having set up synergistic link send same frame and pass the screen data;
(10) setting up the biography screen data that the cooperative equipment of synergistic link will receive transmits to destination device through wireless-transmission network;
(11) destination device receives and passes the screen data; When destination device receive the biography screen data of source device and the biography screen data sent by any two links in the cooperative equipment of setting up synergistic link after pick up counting; When timing time surpassed preset maximum delay, then destination device notified other biography screen pairing source device of data transmission link or cooperative equipment to abandon overtime biography screen data; The destination device biography screen data that will receive are carried out following processing then: choose the maximum biography screen data of signal to noise ratio or the biography screen data that will receive merge, described merging is meant that selectivity merges, maximum merges or equal gain combining; Described maximum delay is preset before in said step (1);
(12) the biography screen data after destination device is handled step (11) are carried out screen display;
In transmission course, when the cooperative equipment of setting up biography screen data transmission link changes, repeating step (6)-step (12).Thereby realization self adaptation.
The invention has the advantages that:
The present invention divides into groups to cooperative equipment according to the performance parameter of cooperative equipment; Choose one group then as selected cooperative equipment group; Selected cooperative equipment group can be transmitted the biography screen data of source device transmission to destination device, and destination device shows after receiving and passing the screen data.Source device, destination device and cooperative equipment are connected through wireless-transmission network.The present invention has improved link stability, the data transmission credibility of wireless biography screen, has improved the picture quality under the complicated wireless communications environment, has strengthened the visual effect of wireless biography screen.
Description of drawings
Fig. 1 is the structural representation of the wireless biography screen system of cooperation according to the invention;
Fig. 2 is the cooperate workflow diagram of wireless biography screen system of the present invention;
Fig. 3 is the selection flow chart that cooperative equipment is divided into groups.
Embodiment
To embodiment and Figure of description the present invention is done detailed explanation, but be not limited thereto.
Embodiment 1,
As shown in Figure 1.
The wireless biography screen system of a kind of cooperation, it comprises source device, destination device and cooperative equipment; Described source device is connected through wireless-transmission network with described a plurality of cooperative equipment respectively; Described a plurality of cooperative equipment is connected with said destination device through wireless-transmission network respectively; Said source device is connected through wireless-transmission network with destination device.Said source device sends and passes the screen data, and cooperative equipment is used for the biography screen data of reception sources equipment and is transmitted to destination device, and destination device receives and passes the screen data and carry out screen display.
Source device described in the present embodiment is a panel computer; Described destination device is a TV; Described cooperative equipment is desktop computer, notebook computer, mobile phone and PDA; Described wireless-transmission network is the WiFi wireless network.
Embodiment 2,
Shown in Fig. 2-3.
A kind of method of work like the wireless biography screen system of embodiment 1 said cooperation is promptly used the method for the content of screen on the TV display panel computer, comprises that step is following:
(1) panel computer, TV, desktop computer, notebook computer, mobile phone and PDA carry out interconnected through the WiFi wireless network;
(2) panel computer and TV are through the WiFi establishing wireless network screen data transmission link of writing a biography;
(3) panel computer and platform desktop computer, notebook computer, mobile phone and PDA are through the WiFi establishing wireless network screen data transmission link of writing a biography;
(4) desktop computer, notebook computer, mobile phone and PDA and TV are respectively through the WiFi establishing wireless network screen data transmission link of writing a biography;
(5) desktop computer, notebook computer, mobile phone and PDA send it back panel computer with the cooperation performance parameter of self, and described cooperation performance parameter comprises the computational speed of cooperative equipment, the signal to noise ratio and the channel speed of the pairing data transmission link of cooperative equipment;
(6) panel computer is divided into first group according to the cooperative equipment performance parameter of cooperating with desktop computer and notebook computer, and mobile phone and PDA are divided into second group;
(7) source device is set up synergistic link according to following condition selecting collaboration equipment: the said cooperative equipment of choosing is that transmission rate is greater than the cooperative equipment that passes the screen data rate; Select first group desktop computer and notebook computer to be selected cooperative equipment group;
(8) panel computer carries out intercepting to self on-screen data, and the time of panel computer during with the on-screen data of said intercepting and intercepting is encapsulated as in the lump and passes the screen data; Described on-screen data comprises voice data and video data;
(9) panel computer sends same frame through the WiFi wireless network to the desktop computer of TV and the synergistic link set up and notebook and passes the screen data;
(10) desktop computer and notebook computer will be transmitted to TV through the WiFi wireless network from the biography screen data that panel computer receives;
(11) television reception passes the screen data; After the data of any two links of television reception in panel computer, desktop computer and the notebook computer, pick up counting; When timing time surpassed preset maximum delay, then TV notified other biography screen pairing panel computer of data transmission link or cooperative equipment to abandon overtime biography screen data; The TV biography screen data that will receive are carried out following processing then: choose the maximum biography screen data of signal to noise ratio, described maximum delay is preset before in said step (1);
(12) the biography screen data after TV is handled step (11) are carried out screen display;
In transmission course, when the cooperative equipment of setting up biography screen data transmission link changes, repeating step (6)-step (12).Thereby realization self adaptation.
Claims (3)
1. the wireless biography screen system of cooperation is characterized in that it comprises source device, destination device and cooperative equipment; Described source device is connected through wireless-transmission network with described a plurality of cooperative equipment respectively; Described a plurality of cooperative equipment is connected with said destination device through wireless-transmission network respectively; Said source device is connected through wireless-transmission network with destination device.Said source device sends and passes the screen data, and cooperative equipment is used for the biography screen data of reception sources equipment and is transmitted to destination device, and destination device receives and passes the screen data and carry out screen display.
2. the wireless biography screen system of a kind of cooperation according to claim 1 is characterized in that described wireless-transmission network is 3G wireless network or WiFi wireless network.
3. method of work of wireless biography screen system of cooperating according to claim 1 is characterized in that it comprises that step is following:
(1) source device, cooperative equipment and destination device carry out interconnected through wireless-transmission network;
(2) source device and destination device are set up through wireless-transmission network and are passed the screen data transmission link;
(3) source device and cooperative equipment are set up through wireless-transmission network and are passed the screen data transmission link;
(4) cooperative equipment and destination device are set up through wireless-transmission network and are passed the screen data transmission link;
(5) cooperative equipment sends it back source device with the cooperation performance parameter of self, and described cooperation performance parameter comprises the computational speed of cooperative equipment, the signal to noise ratio and the channel speed of the pairing data transmission link of cooperative equipment;
(6) source device is grouped into the cooperative equipment group according to the cooperative equipment performance parameter of cooperating with the similar cooperative equipment of cooperation performance parameter, and the method for said grouping comprises the steps:
A. at first divide into groups according to the transmission rate of cooperative equipment, transmission rate is a group of 0-300Kbps, and transmission rate is a group of 300Kbps-2Mbps, and transmission rate is one group of 2Mbps-10Mbps, and transmission rate is to be one group more than the 10Mbps; If can't divide into groups, then carry out step b according to transmission rate;
B. divide into groups according to the computational speed of cooperative equipment: computation rate is a group of 0-500MHz, and computation rate is a group of 500MHz-1GHz, and computation rate is to be one group more than the 1G;
(7) source device is set up synergistic link according to following condition selecting collaboration equipment: the said cooperative equipment of choosing is that transmission rate is greater than the cooperative equipment that passes the screen data rate;
(8) source device carries out intercepting to self on-screen data, and the time of source device during with the on-screen data of said intercepting and intercepting is encapsulated as in the lump and passes the screen data; Described on-screen data comprises voice data and video data;
(9) source device respectively through wireless-transmission network to destination device and the cooperative equipment of having set up synergistic link send same frame and pass the screen data;
(10) setting up the biography screen data that the cooperative equipment of synergistic link will receive transmits to destination device through wireless-transmission network;
(11) destination device receives and passes the screen data; When destination device receive the biography screen data of source device and the biography screen data sent by any two links in the cooperative equipment of setting up synergistic link after pick up counting; When timing time surpassed preset maximum delay, then destination device notified other biography screen pairing source device of data transmission link or cooperative equipment to abandon overtime biography screen data; The destination device biography screen data that will receive are carried out following processing then: choose the maximum biography screen data of signal to noise ratio or the biography screen data that will receive merge, described merging is meant that selectivity merges, maximum merges or equal gain combining; Described maximum delay is preset before in said step (1);
(12) the biography screen data after destination device is handled step (11) are carried out screen display;
In transmission course, when the cooperative equipment of setting up biography screen data transmission link changes, repeating step (6)-step (12).
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| CN103491409A (en) * | 2013-09-17 | 2014-01-01 | 深圳市宇恒互动科技开发有限公司 | Multi-screen control system, realizing method of multi-screen control system and remote controllers |
| CN104427368A (en) * | 2013-08-26 | 2015-03-18 | 中国移动通信集团公司 | Television set remote control method and apparatus |
| CN105553943A (en) * | 2015-12-07 | 2016-05-04 | 广州视睿电子科技有限公司 | Transmission method of pass-screen software, pass-screen method and device, and data transmission system |
| CN106210065A (en) * | 2016-07-13 | 2016-12-07 | 广东欧珀移动通信有限公司 | A kind of document transmission method, device and mobile terminal |
| CN106331426A (en) * | 2016-08-31 | 2017-01-11 | 成都炫境科技有限公司 | Method for controlling display content synchronization by Bluetooth |
| CN107122148A (en) * | 2017-03-17 | 2017-09-01 | 广州视源电子科技股份有限公司 | Remote collaboration method and system |
| CN107613127A (en) * | 2017-09-26 | 2018-01-19 | 上海欧美拉光电股份有限公司 | A kind of intelligent control mobile terminal image/video gathers convenient real-time playback equipment |
| CN111344953A (en) * | 2017-11-10 | 2020-06-26 | 深圳传音通讯有限公司 | Screen online sharing method and main sharing terminal |
| CN113382299A (en) * | 2021-06-07 | 2021-09-10 | 深圳市酷开网络科技股份有限公司 | Screen transmission method, system and storage medium |
| CN113467741A (en) * | 2018-04-18 | 2021-10-01 | 海信视像科技股份有限公司 | Screen transmission method, display device and screen transmission system thereof |
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| CN104427368A (en) * | 2013-08-26 | 2015-03-18 | 中国移动通信集团公司 | Television set remote control method and apparatus |
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| CN106210065A (en) * | 2016-07-13 | 2016-12-07 | 广东欧珀移动通信有限公司 | A kind of document transmission method, device and mobile terminal |
| CN106331426A (en) * | 2016-08-31 | 2017-01-11 | 成都炫境科技有限公司 | Method for controlling display content synchronization by Bluetooth |
| CN107122148A (en) * | 2017-03-17 | 2017-09-01 | 广州视源电子科技股份有限公司 | Remote collaboration method and system |
| CN107613127A (en) * | 2017-09-26 | 2018-01-19 | 上海欧美拉光电股份有限公司 | A kind of intelligent control mobile terminal image/video gathers convenient real-time playback equipment |
| CN111344953A (en) * | 2017-11-10 | 2020-06-26 | 深圳传音通讯有限公司 | Screen online sharing method and main sharing terminal |
| CN113467741A (en) * | 2018-04-18 | 2021-10-01 | 海信视像科技股份有限公司 | Screen transmission method, display device and screen transmission system thereof |
| CN113382299A (en) * | 2021-06-07 | 2021-09-10 | 深圳市酷开网络科技股份有限公司 | Screen transmission method, system and storage medium |
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