CN115396984A - Method for mobile terminal to sense remote controller of display equipment based on WiFi - Google Patents
Method for mobile terminal to sense remote controller of display equipment based on WiFi Download PDFInfo
- Publication number
- CN115396984A CN115396984A CN202211021574.8A CN202211021574A CN115396984A CN 115396984 A CN115396984 A CN 115396984A CN 202211021574 A CN202211021574 A CN 202211021574A CN 115396984 A CN115396984 A CN 115396984A
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- mobile terminal
- remote controller
- display equipment
- wifi
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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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
- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
The invention provides a method for a mobile terminal to sense a remote controller of display equipment based on WiFi, which comprises the following steps: the display equipment terminal issues service broadcast and broadcasts service information; the mobile terminal subscribes the service information broadcasted by the display equipment terminal and establishes physical connection with the display equipment terminal; the mobile terminal sends a control instruction to the display equipment terminal to simulate the control function of a remote controller; and the display equipment end receives the control instruction sent by the mobile terminal, distributes the key value message and executes the operation. The invention can realize that the mobile terminal serves as a display device remote controller to control the display device end under the condition of not carrying out WiFi connection based on the WiFi sensing characteristic of the WiFi module, can have a plurality of mobile terminals which start the Wi-Fi sensing function to send control instructions to the display device end for simulating the control function of the remote controller, has the advantages of simple implementation, simple operation and long transmission distance, and can quickly realize the transmission of one-to-one and many-to-one control instructions.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method for a mobile terminal to sense a remote controller of equipment based on WiFi.
Background
WiFi perception: wiFi Aware, namely Neighbor Aware Networking (NAN), is an adjacent device discovery protocol customized for a WiFi alliance on the basis of an 802.11 protocol, the WiFi Aware device can autonomously detect, remind and connect other devices without a WiFi Access Point (AP), and lightweight byte data can be sent between the devices in a service discovery stage by using the WiFi Aware, so that WiFi Aware authentication service is provided by the WiFi alliance in 2018.
At present, mobile terminal equipment becomes necessary equipment in daily life, a large number of scenes take the mobile terminal as a control end, and a user can control and operate intelligent household equipment, vehicle-mounted equipment and the like through the mobile terminal. However, in the display devices such as the television and the display screen of the vehicle-mounted host computer, the user mainly establishes the connection between the remote controller and the display device in the modes of infrared, bluetooth, wiFi network and data network, and the operation steps of the modes are complex and have certain requirements on preconditions, such as: the infrared mode is generally a scheme used by a special remote controller, but at present, a large number of mobile terminal devices do not carry an infrared module any more, but a Bluetooth mode is adopted to carry out pairing connection before use, and a WiFi network and data network mode is adopted to go through a process of connecting network inquiry equipment before use.
With the development of the technology, the WiFi sensing provided by the WiFi alliance can receive and transmit a small amount of information data under the condition of not carrying out WiFi connection, and the control end of the remote controller can realize the control function only by sending a small amount of character information, so that the remote controller control function based on the WiFi sensing has the advantages of simplicity and quickness in operation compared with other existing technologies.
Disclosure of Invention
Aiming at the problems that the operation steps are complex and certain precondition requirements exist in the existing connection mode of the remote controller and the display equipment, a method for the mobile terminal to serve as the remote controller of the display equipment based on WiFi sensing is provided, the mobile terminal can serve as the remote controller of the display equipment to control and operate the display equipment end through the WiFi sensing characteristic based on a WiFi module, and compared with the existing mode based on infrared and Bluetooth, the method has the advantages of simplicity in implementation, simplicity in operation and long transmission distance.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the method for the mobile terminal to sense the remote controller of the display equipment based on WiFi comprises the following steps:
the display equipment terminal issues service broadcast and broadcast service information;
the mobile terminal subscribes the service information broadcasted by the display equipment terminal and establishes physical connection with the display equipment terminal;
the mobile terminal sends a control instruction to the display equipment end to simulate the control function of a remote controller;
and the display equipment end receives the control instruction sent by the mobile terminal, distributes the key value message and executes the operation.
The display device terminal refers to a display device which is necessary to have a WiFi module and display capability, and includes but is not limited to a television, a vehicle-mounted host display screen and the like.
As a preferred scheme of the invention, the communication mode between the mobile terminal serving as the remote controller and the display equipment terminal is based on WiFi sensing, and the mobile terminal and the display equipment terminal support and start the WiFi sensing function by default.
As a preferred scheme of the present invention, the mobile terminal subscribes the service information broadcast by the display device side, and establishes a physical connection with the display device side, specifically: the mobile terminal detects the display equipment terminal according to the WiFi sensing protocol specification, filters service information through a service name appointed by the display equipment terminal, and obtains service information broadcasted by the display equipment terminal.
As a preferred scheme of the present invention, the service name is predetermined by both ends of the mobile terminal and the display device, and the service names of the broadcast are kept consistent.
As a preferred scheme of the present invention, the mobile terminal sends a control instruction to the display device end to simulate a remote controller control function, and specifically: the mobile terminal acquires a service list from the display equipment terminal, displays a function list for a user to select, and sends a command for switching a function interface to the display equipment terminal after the user selects a function; and after receiving the instruction, the display equipment end is switched to a specified function interface, and the mobile terminal jumps to the remote controller interface to simulate the control function of the remote controller.
As a preferred aspect of the present invention, the displaying content on the remote control interface of the mobile terminal includes: a function selection key, a full keyboard key, eight fixed keys, the eight fixed keys are respectively: up, down, left, right, ok, return, home page, and menu fixed operation keys.
As a preferred aspect of the present invention, the key value message distributed by the display device includes: a focus movement and confirmation action on the display interface.
The beneficial effects of the invention are: based on the WiFi sensing characteristic of the WiFi module, a small amount of information data can be received and transmitted under the condition that WiFi connection is not carried out, the mobile terminal serves as a display device remote controller to carry out control operation on a display device end, the transmission distance is long, the WiFi sensing range is the same as the coverage distance of WiFi signals, and the farthest distance can be about 200 meters. And as the display equipment end is in a broadcasting behavior, as long as the mobile terminal knows the corresponding service name, a plurality of mobile terminals which start the WiFi sensing function can send control instructions to the display equipment end through the interface which senses and sends messages in a WiFi service subscribing mode so as to simulate the control function of the remote controller.
Compared with the existing mode based on infrared and Bluetooth, the method has the advantages of simplicity in implementation, simplicity in operation and long transmission distance, and compared with the mode based on a WiFi network and a data network, the method has the advantage of simplicity in operation, and can quickly realize one-to-one and many-to-one transmission of control instructions.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
fig. 1 is a flowchart of a method for a mobile terminal to sense a remote controller of a display device based on WiFi in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a method for a mobile terminal to sense a remote controller of a display device based on WiFi, including the following steps:
step S1: the display equipment terminal issues service broadcast and broadcasts service information;
the display equipment terminal is display equipment which is required to have a WiFi module and display capacity, and comprises a television, a vehicle-mounted host display screen and the like, and if the display equipment terminal is in a standby state, the WiFi module is required to be ensured to be available in a standby state; the communication mode between the mobile terminal serving as a remote controller end and the display equipment end is based on WiFi sensing; and the mobile terminal and the display equipment end support by default and start the WiFi sensing function.
Step S2: the mobile terminal subscribes the service information broadcasted by the display equipment terminal and establishes physical connection with the display equipment terminal;
the application software of the mobile terminal starts subscription service, specifies the service name of the display equipment end and is used for receiving service data sent by the display equipment end through WiFi sensing, the mobile terminal detects the display equipment end according to WiFi sensing protocol specifications, and the service information is filtered through the service name appointed by the display equipment end, so that the service information broadcasted by the display equipment end is obtained. The service name is agreed in advance by the mobile terminal and the display equipment terminal, and the service name of the broadcast is kept consistent. When the display equipment terminal publishes the service broadcast, the mobile terminal subscribes the service, finds out the other side according to the service character string appointed by the mobile terminal and the display equipment terminal, and receives and transmits character data, which represents that the two equipment have established the communication connection of the physical layer.
Taking an android system as an example, the character names of broadcast services appointed by a mobile terminal and a display device terminal can be configured through setServiceName of a PublishConfig class, and service broadcasts are issued through publish of a WifiAwareSession class; then, character data sent by the mobile terminal can be received by registering a discoverysessionconlback callback method onMessageReceived, and the character data can be converted into a control instruction by appointing different characters to represent different functions.
And step S3: the mobile terminal sends a control instruction to the display equipment end to simulate the control function of a remote controller;
the mobile terminal obtains the service list from the display equipment terminal and displays the function list for the user to select, wherein the mode of the user to select the function comprises but is not limited to key control, gesture based on camera shooting, sliding based on a screen and the like. After the user selects the function, the mobile terminal sends a command for switching the function interface to the display equipment terminal; and after receiving the instruction, the display equipment end is switched to a specified function interface, and the mobile terminal jumps to the remote controller interface to simulate the control function of the remote controller. The content displayed on the remote controller interface of the mobile terminal comprises the following contents: a function selection key, a full keyboard key, eight fixed keys are respectively: up, down, left, right, ok, return, home page, and menu fixed operation keys.
And step S4: and the display equipment end receives the control instruction sent by the mobile terminal, distributes the key value message and executes the operation.
The key value message distributed by the display equipment comprises: a focus movement and confirmation action on the display interface. The method comprises the steps that a mobile terminal simulates a remote controller to control a display device end, character data are transmitted through software developed by the mobile terminal according to user interface operation, characters correspond to KEY values such as up, down, left and right determinations, and the like, the software developed by the display device end triggers KEY events such as up, down, left and right of a system according to received different character values, and the control behavior of the simulated remote controller is achieved.
In summary, based on the WiFi sensing characteristic of the WiFi module itself, the present invention can receive and transmit a small amount of information data without WiFi connection, and the mobile terminal is used as a display device remote controller to perform control operation on the display device end, and the transmission distance is long, the WiFi sensing range is the same as the coverage distance of the WiFi signal, and the maximum distance can be about 200 meters. And as the display equipment end is in a broadcasting behavior, as long as the mobile terminal knows the corresponding service name, a plurality of mobile terminals which start the WiFi sensing function can send control instructions to the display equipment end through the interface which senses and sends messages in a WiFi service subscribing mode so as to simulate the control function of the remote controller.
Compared with the existing mode based on infrared and Bluetooth, the method has the advantages of simple implementation, simple operation and long transmission distance, and compared with the mode based on a WiFi network and a data network, the method has the advantage of simple operation, and can quickly realize one-to-one and many-to-one transmission of control instructions.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The method for the mobile terminal to sense the remote controller of the display equipment based on WiFi is characterized by comprising the following steps:
the display equipment terminal issues service broadcast and broadcasts service information;
the mobile terminal subscribes the service information broadcasted by the display equipment terminal and establishes physical connection with the display equipment terminal;
the mobile terminal sends a control instruction to the display equipment end to simulate the control function of a remote controller;
and the display equipment end receives the control instruction sent by the mobile terminal, distributes the key value message and executes the operation.
2. The method for the mobile terminal to sense the remote controller of the display device based on the WiFi as claimed in claim 1, wherein the communication mode between the mobile terminal as the remote controller and the display device terminal is based on the WiFi sensing, and the mobile terminal and the display device terminal support and start the WiFi sensing function by default.
3. The method for the mobile terminal to sense the remote controller of the display device based on the WiFi according to claim 2, wherein the mobile terminal subscribes to the service information broadcasted by the display device and establishes a physical connection with the display device, specifically: the mobile terminal detects the display equipment terminal according to the WiFi sensing protocol specification, filters service information through a service name appointed by the display equipment terminal, and obtains service information broadcasted by the display equipment terminal.
4. The method as claimed in claim 3, wherein the service name is pre-agreed by both ends of the mobile terminal and the display device terminal to keep the service name of the broadcast consistent.
5. The method for the mobile terminal to sense the remote controller of the display device based on the WiFi as claimed in claim 4, wherein the mobile terminal sends a control instruction to the display device end to simulate a remote controller control function, and specifically comprises: the mobile terminal acquires a service list from the display equipment terminal, displays a function list for a user to select, and sends a command for switching a function interface to the display equipment terminal after the user selects a function; and after receiving the instruction, the display equipment end is switched to a specified function interface, and the mobile terminal jumps to the remote controller interface to simulate the control function of the remote controller.
6. The method for the mobile terminal to sense the remote controller of the display device based on the WiFi claim 5, wherein the displaying the content on the remote controller interface of the mobile terminal comprises: a function selection key, a full keyboard key, eight fixed keys are respectively: up, down, left, right, ok, return, home page, and menu fixed operation keys.
7. The method for the mobile terminal to sense the remote controller of the display device based on the WiFi of claim 6, wherein the key value message distributed by the display device end includes: a focus movement and confirmation action on the display interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211021574.8A CN115396984A (en) | 2022-08-24 | 2022-08-24 | Method for mobile terminal to sense remote controller of display equipment based on WiFi |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211021574.8A CN115396984A (en) | 2022-08-24 | 2022-08-24 | Method for mobile terminal to sense remote controller of display equipment based on WiFi |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103702162A (en) * | 2014-01-15 | 2014-04-02 | 深圳创维－Rgb电子有限公司 | Remote control method and system as well as TV terminals |
| US20140304611A1 (en) * | 2012-12-14 | 2014-10-09 | Maxway Electronics Co.,Ltd | Mobile Terminal and a Method of Remotely Controlling a Home Media Device Via the Mobile Terminal |
| CN105513327A (en) * | 2016-01-11 | 2016-04-20 | 努比亚技术有限公司 | Intelligent remote control method, device and system |
| CN106603944A (en) * | 2016-12-13 | 2017-04-26 | 惠州Tcl移动通信有限公司 | Intelligent television control method and system |
| CN107101326A (en) * | 2017-04-19 | 2017-08-29 | 惠州Tcl移动通信有限公司 | A kind of method, system and mobile terminal based on mobile terminal control intelligent air condition |
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- 2022-08-24 CN CN202211021574.8A patent/CN115396984A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140304611A1 (en) * | 2012-12-14 | 2014-10-09 | Maxway Electronics Co.,Ltd | Mobile Terminal and a Method of Remotely Controlling a Home Media Device Via the Mobile Terminal |
| CN103702162A (en) * | 2014-01-15 | 2014-04-02 | 深圳创维－Rgb电子有限公司 | Remote control method and system as well as TV terminals |
| CN105513327A (en) * | 2016-01-11 | 2016-04-20 | 努比亚技术有限公司 | Intelligent remote control method, device and system |
| CN106603944A (en) * | 2016-12-13 | 2017-04-26 | 惠州Tcl移动通信有限公司 | Intelligent television control method and system |
| CN107101326A (en) * | 2017-04-19 | 2017-08-29 | 惠州Tcl移动通信有限公司 | A kind of method, system and mobile terminal based on mobile terminal control intelligent air condition |
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