CN111526372A - High-speed rail broadcast television and cognitive WiFi communication method and system - Google Patents
High-speed rail broadcast television and cognitive WiFi communication method and system Download PDFInfo
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- CN111526372A CN111526372A CN202010349569.4A CN202010349569A CN111526372A CN 111526372 A CN111526372 A CN 111526372A CN 202010349569 A CN202010349569 A CN 202010349569A CN 111526372 A CN111526372 A CN 111526372A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/214—Specialised server platform, e.g. server located in an airplane, hotel, hospital
- H04N21/2146—Specialised server platform, e.g. server located in an airplane, hotel, hospital located in mass transportation means, e.g. aircraft, train or bus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1045—Proxies, e.g. for session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
Abstract
The invention discloses a high-speed rail broadcast television and cognitive WiFi communication method and system, which comprises the steps of firstly, receiving satellite broadcast signals by using a satellite television antenna to obtain real-time image data; secondly, performing data pre-exchange on the obtained real-time image data and a service agent device through a Wi-Fi MAC layer link, and after the data pre-exchange is completed, forwarding the service agent device to a vehicle-mounted satellite television program server; finally, selecting and obtaining the real-time image data and playing the real-time image data when the vehicle-mounted satellite television program server is accessed through WI-FI connection through terminal display equipment; when the vehicle-mounted satellite television program server is accessed, an identity authentication rule is set in the current server for information authentication, and if and only if the identity authentication is successful, the real-time program data is further fed back.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to a high-speed rail broadcast television and cognitive WiFi communication method and system.
Background
The high-speed rail communication network is a large and complex network system, is used as a nervous system of a high-speed rail, is an important key technology of the high-speed rail, and is an important driving force for the development of the high-speed rail.
In order to improve riding comfort of passengers and reduce tiredness brought to the passengers by riding, vehicle-mounted multimedia equipment is often arranged on the conventional public transport means.
Most of the existing vehicle-mounted multimedia devices replace new playing contents by replacing a memory chip or an optical disk in a shell, and the vehicle-mounted multimedia devices have the serious defects of large card copying and replacing workload and poor real-time performance of program updating, which seriously restricts the further development of the vehicle-mounted multimedia devices. In addition, some systems or devices for realizing real-time updating of the playing content of the vehicle-mounted multimedia device by means of a wireless network exist in the prior art, and although the system or device in the prior art solves the defects to a certain extent, the 3G network is mostly adopted to realize wireless communication, which brings the defects of unstable signals, high price and the like. Based on the above, there is no suitable vehicle-mounted multimedia playing device or system in the prior art to be suitable for current mainstream public transportation, such as public transportation, railway, etc.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and a system for high-speed rail broadcast television and cognitive WiFi communication, aiming at the defects of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-speed rail broadcast television and WiFi communication confirmation method is constructed, and comprises the following steps:
s1, receiving satellite broadcast signals by using a satellite television antenna to obtain real-time image data;
s2, pre-exchanging the obtained real-time image data with a service agent device through a Wi-Fi MAC layer link, and after the pre-exchanging of the data is completed, the service agent device forwards the data received in the pre-exchanging to a vehicle satellite television program server through an IP address appointed in a MAC layer packet payload; before data is forwarded, image processing is carried out by combining the MSER algorithm and the exponential relation transformation algorithm, so that distortion of a transmitted image is avoided;
s3, acquiring and playing the real-time image data through terminal display equipment when the vehicle-mounted satellite television program server is accessed through WI-FI connection; when the vehicle-mounted satellite television program server is accessed, information authentication is carried out according to an identity authentication rule preset in the current server, and if and only if the identity authentication is successful, real-time image data are fed back.
The invention provides a high-speed rail broadcast television and cognitive WiFi communication system, which comprises the following modules:
the data acquisition module is used for receiving satellite broadcast signals by using a satellite television antenna to obtain real-time image data;
the data forwarding module is used for pre-exchanging the acquired real-time image data with a service agent device through a Wi-Fi MAC layer link, and after the pre-exchanging of the data is completed, the service agent device forwards the data received in the pre-exchanging to a vehicle-mounted satellite television program server through an IP address specified in a MAC layer packet payload; before data forwarding, image processing is carried out by combining the MSER algorithm and the exponential relation transformation algorithm, so that distortion of a transmitted image is avoided;
the display module is used for acquiring and playing the real-time image data when the vehicle-mounted satellite television program server is accessed through WI-FI connection based on terminal display equipment; when the vehicle-mounted satellite television program server is accessed, information authentication is carried out according to an identity authentication rule preset in the current server, and if and only if the identity authentication is successful, real-time image data is fed back.
According to the method and the system for high-speed rail broadcast television and cognitive WiFi communication, the defects of unstable signals, high price and the like caused by the fact that wireless communication is achieved through a 3G network are avoided, the streaming media server can update program information quickly and stably, and the advantages of low cost, high reliability and the like are guaranteed.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a first flowchart of a high-speed rail broadcast television and cognitive WiFi communication method disclosed in the present invention;
fig. 2 is a second flowchart of a high-speed rail broadcast television and cognitive WiFi communication method disclosed in the present invention;
fig. 3 is a flowchart of a third implementation of a high-speed rail broadcast television and cognitive WiFi communication method disclosed in the present invention;
fig. 4 is a structural diagram of a high-speed rail broadcast television and cognitive WiFi communication system disclosed by the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, which is a flowchart of a method for communicating a high-speed rail broadcast television and a cognitive WiFi, the method for communicating a high-speed rail broadcast television and a cognitive WiFi provided by the present invention specifically includes the following steps:
and S1, receiving the satellite broadcast signal by using the satellite television antenna to obtain real-time image data.
S2, pre-exchanging data of the obtained real-time image data with a service agent device through a Wi-Fi MAC layer link, and after the pre-exchanging of the data is completed, the service agent device forwards the data received in the pre-exchanging to a vehicle-mounted satellite television program server through an IP address appointed in an MAC layer packet payload; before data is forwarded, image processing is carried out by combining the MSER algorithm and the exponential relation transformation algorithm, so that distortion of a transmission image is avoided; specifically, the method comprises the following steps:
before the data are forwarded to the vehicle-mounted satellite television program server, image pixel decomposition is carried out in the service agent device, RGB parameter values of the image are adjusted according to RGB parameters related to the image pixels and gamma values corresponding to the RGB parameters by combining the MSER algorithm and the exponential relation transformation algorithm, and distortion of the transmitted image is further avoided.
And S3, acquiring and playing the real-time image data through the terminal display equipment when the terminal display equipment accesses the vehicle-mounted satellite television program server through the WI-FI connection.
Example 2:
please refer to fig. 2, which is a flowchart illustrating a second implementation of a method for broadcasting tv and cognitive WiFi communication in a high-speed rail according to the present invention; in this embodiment, based on the high-speed rail broadcast television and cognitive WiFi communication method disclosed in embodiment 1, the difference is that in step S2, when the obtained real-time program data is forwarded to the vehicle-mounted satellite television program server through WI-FI, the real-time program data is further stored in a database or a cloud server or other storable server, and when the terminal display device is connected to the above-mentioned device, the real-time program data is obtained and played.
Example 3:
please refer to fig. 3, which is a flowchart illustrating a third implementation of a method for broadcasting tv and cognitive WiFi communication in a high-speed rail according to the present invention; in this embodiment, based on the high-speed rail broadcast television and the cognitive WiFi communication method disclosed in embodiment 1, to avoid access by an illegal user, and further ensure confidentiality of information, an identity authentication mechanism is added in step S3, and specifically:
when the terminal display equipment is connected to a vehicle-mounted satellite television program server, authentication is carried out in the current server based on an identity authentication rule, if and only if the identity authentication is successful, real-time image data are fed back to a display terminal, the terminal display equipment can be a mobile phone, a tablet computer, a PC (personal computer) and other display equipment, and the display equipment is wirelessly connected to a corresponding data storage server through WIFE (wireless fidelity) to obtain and display real-time images; the identity authentication rule may consider any one of the following manners or perform identity authentication in a combined manner:
the terminal firmware verification mechanism comprises: the legality of the mobile terminal can be verified through the identification information of the terminal, so that only authorized equipment can normally use the system; or acquiring the MAC identification information of the terminal from a local database, and ensuring the access of legal equipment based on the comparison of the MAC identification information.
Secondly, based on a user verification mechanism, only authorized users can access system functions, including authentication of identities based on user names and passwords, identity verification based on voice recognition, identity verification based on user head images, and combination based on any of the verification modes; under the condition of multiple authentication failures, remotely erasing system data, thereby ensuring the use safety of the system to the maximum extent when equipment is lost or a user tries to violently crack the system;
in this embodiment, by setting an authentication mechanism, access of an illegal user is avoided, and information transmission security is effectively ensured.
Referring to fig. 4, a structural diagram of a high-speed rail broadcast television and cognitive WiFi communication system disclosed in the present invention specifically includes the following modules:
the data acquisition module L1 is configured to receive a satellite broadcast signal using a satellite television antenna, and acquire real-time program data;
the data forwarding module L2 is configured to perform data pre-exchange on the obtained real-time image data with a service agent device through a Wi-Fi MAC layer link, and after the data pre-exchange is completed, the service agent device forwards the data received in the pre-exchange to the vehicle-mounted satellite television program server through an IP address specified in a MAC layer packet payload; before data forwarding, the MSER algorithm and the exponential relation transformation algorithm are combined to process images, and distortion of transmitted images is avoided.
The display module L3 is used for acquiring and playing the real-time image data when accessing the vehicle-mounted satellite television program server through WI-FI connection based on the terminal display equipment; when the vehicle-mounted satellite television program server is accessed, information authentication is carried out according to an identity authentication rule preset in the current server, and if and only if the identity authentication is successful, real-time image data is fed back.
Further, in this embodiment, an identity authentication module L4 is further disposed in the vehicle-mounted satellite television program server, and the identity authentication module L4 is composed of the following parts:
the terminal firmware verification module L41 is used for confirming the validity of the terminal; the terminal firmware verification specifically comprises the following steps: the validity of the mobile terminal can be verified through the identification information of the mobile terminal so as to ensure that only authorized equipment can normally use the system; or acquiring the MAC identification information of the terminal from a local database, and ensuring the access of legal equipment based on the comparison of the MAC identification information.
The user identity authentication module L42 is configured to confirm the validity of the connected user based on a user authentication mechanism; the user authentication mechanism comprises authentication of identity based on a user name and a password, or identity authentication based on voice recognition, or identity authentication based on a user head portrait, or a combination of the authentication modes.
The data erasing module L43 is configured to, in the event of multiple authentication failures, perform remote clearing on the current real-time image data, so as to ensure information security of the system in an application scenario where a device is lost or a brute force system is attempted to be cracked.
The high-speed rail broadcast television and cognitive WiFi communication method and system provided by the invention combine the MSER algorithm and the exponential relation transformation algorithm, avoid image distortion, and set an identity verification mechanism, thereby effectively ensuring the information security of the system, enabling a streaming media server to update program information quickly and stably, and having good implementation and application prospects.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A high-speed rail broadcast television and cognitive WiFi communication method is characterized by comprising the following steps:
s1, receiving satellite broadcast signals by using a satellite television antenna to obtain real-time image data;
s2, pre-exchanging the real-time image data with a service agent device through a Wi-Fi MAC layer link, and after the pre-exchanging of the data is completed, the service agent device forwards the data received in the pre-exchanging to a vehicle-mounted satellite television program server through an IP address appointed in an MAC layer packet payload; before data is forwarded, image processing is carried out by combining the MSER algorithm and the exponential relation transformation algorithm, so that distortion of a transmitted image is avoided;
s3, obtaining and playing the real-time image data through terminal display equipment when accessing the vehicle-mounted satellite television program server through WI-FI connection; when the vehicle-mounted satellite television program server is accessed, information authentication is carried out according to an identity authentication rule preset in the current server, and if and only if the identity authentication is successful, real-time image data are fed back.
2. The method as claimed in claim 1, wherein in step S2, before forwarding the data to the satellite tv program server, the service agent device performs image pixel decomposition, and adjusts RGB parameter values of the image according to RGB parameters related to image pixels and gamma values corresponding to the RGB parameters by using MSER algorithm and exponential transformation algorithm, so as to further avoid distortion of the transmitted image.
3. The high-speed rail broadcast television and cognitive WiFi communication method of claim 1, wherein when the obtained real-time program data is forwarded to a vehicle satellite television program server through a service agent device, the real-time image data is stored to a database or a cloud server, and when the terminal display device is connected to the database or the cloud server, the real-time image data is obtained and played.
4. The method of claim 1, wherein the identity authentication rule specifically comprises:
confirming the validity of the terminal based on the terminal firmware verification; the terminal firmware verification specifically comprises the following steps: and acquiring the MAC identification information of the terminal from a local database, and ensuring the access of legal equipment based on the comparison of the MAC identification information.
5. The method of claim 1, wherein the identity authentication rule specifically comprises:
confirming the validity of the connected user based on a user authentication mechanism; the user authentication mechanism comprises authentication based on a user name and a password, and/or authentication based on voice recognition, and/or authentication based on a user head portrait, wherein the current real-time image data is remotely cleared under the condition of multiple authentication failures, and the information security of the system is ensured under the application scene that equipment is lost or a brute force system is attempted.
6. A high-speed rail broadcast television and cognitive WiFi communication system is characterized by comprising the following modules:
the data acquisition module is used for receiving satellite broadcast signals by using a satellite television antenna to obtain real-time image data;
the data forwarding module is used for pre-exchanging the real-time image data with the service agent device through a Wi-Fi MAC layer link, and after the pre-exchanging of the data is completed, the service agent device forwards the data received in the pre-exchanging to the vehicle-mounted satellite television program server through an IP address specified in the MAC layer packet payload; before data forwarding, image processing is carried out by combining the MSER algorithm and the exponential relation transformation algorithm, so that distortion of a transmitted image is avoided;
the display module is used for acquiring and playing the real-time image data when accessing the vehicle-mounted satellite television program server through the WI-FI connection based on the terminal display equipment; when the vehicle-mounted satellite television program server is accessed, information authentication is carried out according to an identity authentication rule preset in the current server, and if and only if the identity authentication is successful, real-time image data is fed back.
7. The high-speed rail broadcast television and cognitive WiFi communication system according to claim 6, wherein the data forwarding module is used for performing image pixel decomposition in the service agent device before forwarding the obtained real-time image data to the vehicle-mounted satellite television program server, and adjusting RGB parameter values of the image according to RGB parameters related to image pixels and gamma values corresponding to the RGB parameters by combining MSER algorithm and exponential relationship transformation algorithm, so as to avoid distortion of the transmitted image.
8. The high-speed rail broadcast television and cognitive WiFi communication system of claim 6, wherein an identity authentication module is further provided in the vehicle satellite television program server, the identity authentication module comprising:
the terminal firmware verification module is used for confirming the legality of the terminal based on the terminal firmware verification; the terminal firmware verification specifically comprises the following steps: and acquiring the MAC identification information of the terminal from a local database, and ensuring the access of legal equipment based on the comparison of the MAC identification information.
9. The high-speed rail broadcast television and cognitive WiFi communication system of claim 6, wherein an identity authentication module is further provided in the vehicle satellite television program server, the identity authentication module comprising:
the user identity authentication module is used for confirming the validity of the connected user based on a user authentication mechanism; the user authentication mechanism comprises authentication of identity based on a user name and a password, and/or authentication based on voice recognition, and/or authentication based on a user avatar.
10. The high-speed rail broadcast television and cognitive WiFi communication system of claim 6, wherein an identity authentication module is further provided in the vehicle satellite television program server, the identity authentication module comprising:
and the data erasing module is used for remotely clearing the current real-time image data under the condition of multiple authentication failures, so that the information security of the system is ensured under the application scene that the equipment is lost or the system is tried to be cracked violently.
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Application publication date: 20200811 |