CN113382191A - Ultra-high-definition video real-time transmission method and device based on 5G mobile communication technology - Google Patents
Ultra-high-definition video real-time transmission method and device based on 5G mobile communication technology Download PDFInfo
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- CN113382191A CN113382191A CN202010117533.3A CN202010117533A CN113382191A CN 113382191 A CN113382191 A CN 113382191A CN 202010117533 A CN202010117533 A CN 202010117533A CN 113382191 A CN113382191 A CN 113382191A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
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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
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The invention relates to a method and equipment for transmitting ultra-high-definition video in real time based on a 5G mobile communication technology. The device supports NSA and SA dual-mode work, and by utilizing the characteristics of the 5G communication technology, such as mobile bandwidth enhancement, ultrahigh reliability, low time delay communication and large-scale machine type communication, 4K and 8K ultrahigh-definition video data can be transparently transmitted to a 5G backbone communication network through the device in real time. The device provides device basic conditions of edge calculation based on high definition video data while providing real-time ultra-high definition video transmission. The problem that the traditional mobile equipment cannot transmit 4K and 8K ultrahigh-definition videos in real time due to limited transmission bandwidth is solved. The invention has the characteristics of high speed, low time delay, small volume, simple deployment, plug and play, strong adaptability of working environment, labor saving and high efficiency.
Description
Technical Field
The invention relates to the technical field of data transmission, in particular to an ultra-high-definition video real-time transmission method and device based on a 5G mobile communication technology.
Background
International Telecommunications Union (ITU) defines three application scenarios, namely Enhanced Mobile bandwidth (eMBB), Ultra-high-Reliable Low-latency Communications (urrllc), and Massive Machine-Type Communications (mtc), for 5G.
The 5G provides bandwidth of more than 10Gbps, millisecond-level Time delay and ultrahigh-density connection by a brand-new network architecture, realizes new jump of network performance, and simultaneously combines the characteristics of Multi-Access Edge Computing (MEC), network slicing and the like to bring new opportunity for the development of ultrahigh-definition video technologies such as 4K, 8K, VR and the like Beyond the transmission speed of optical fibers (Mobile Beyond Giga), the Real-Time capability of industrial buses (Real-Time World) and full-space connection (All-on-Everywhere).
The development of information video and video ultra-high-definition has become a great trend of the global information industry. From the growth and scale point of view, ultra high definition (or 4K) video on demand IP traffic will account for 22% of global IP video traffic and ultra high definition will account for up to 35% of video on demand IP traffic by 2022, and from the technological evolution video has gone from standard definition, high definition to 4K, which is about to go into the 8K, AR/VR era.
The video acquisition equipment has already realized the acquisition capability of 4K and 8K ultra-high-definition videos, and due to the limitation of transmission bandwidth, the conventional networking mode cannot realize the real-time transmission of 4K and 8K ultra-high-definition video data, so that the real-time transmission of the ultra-high-definition videos becomes an unexpected and unreachable thing, and particularly the function of the real-time transmission of the ultra-high-definition videos cannot be realized in complex signal transmission environments, outdoor, dangerous and emergency occasions. The urgent need of the market represents the necessity of the present invention.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, solve the problem of ultrahigh-definition video real-time transmission of movable video acquisition equipment, and provide a method and equipment for realizing ultrahigh-definition video real-time transmission based on 5G.
The invention is realized by the following technical scheme
The invention provides a method and a device for transmitting ultra-high-definition video in real time based on a 5G mobile communication technology, as shown in figure 1, the device comprises: a data receiving module (5) which comprises an Ethernet interface (RJ 45) and is connected with the embedded video data receiving unit through the gigabit Ethernet;
further comprising: the data security module (4) transmits the received data to the data security module in sequence, and the data security module verifies the received data in sequence and discards the data which does not pass the verification;
further comprising: the data transmission module (2) sequentially transmits data to the data transmission module, the data transmission module is embedded with control software based on a Linux system through an equipment control unit (3), and the data transmission module transmits the data subjected to protocol conversion processing to a 5G base station and a backbone communication network in a 5G mode through an embedded radio frequency unit (1);
further comprising: the sim card slot supports a common sim card in the market;
further comprising: the data debugging interface is convenient for external equipment to adjust equipment parameters and refresh equipment programs through the port;
further comprising: the antenna is communicated with the 5G base station antenna and is used for transmitting data;
further comprising: the mounting hole is formed in the bottom of the equipment;
preferably, the ethernet interface is a gigabit port;
preferably, a common sim card slot is adopted in the data transmission module;
preferably, the data debugging interface adopts a USB3.0 mini interface;
preferably, the antennas in the data transmission module adopt a double-transceiving and double-receiving antenna matrix mode and respectively work at 824MHz-5GHz and 1805MHz-5 GMHz;
preferably, the equipment power supply interface is a circular interface, and the parameter is 12V 1A;
preferably, the equipment is provided with a mounting hole, and the mounting hole is an internal thread hole;
preferably, the device adopts a 5G industrial module as a core component of the device, supports NSA/SA dual mode, and is fully compatible with 2G/3G/4G/5G.
The invention has the advantages that
1. The invention solves the problem of real-time transmission of ultra-high-definition video of mobile video acquisition equipment, provides a transparent transmission channel by utilizing a 5G technology with high bandwidth and low time delay, can realize the real-time transmission of 4K and 8K ultra-high-definition video data, and makes edge calculation based on high-definition video possible;
2. the device is physically connected with the high-definition camera device, and transmits the video data to a backbone network in real time through a 5G network, so that the ultra-high-definition live video and the ultra-high-definition video data are acquired, the current situation of a far end is transmitted back to a data center in time, the effectiveness of data acquisition is improved, and the data acquisition cost is reduced;
3. the invention is applied to mobile video acquisition equipment, video acquisition equipment which is inconvenient to deploy a network, emergency sites, important places and dangerous places;
4. the device is small and exquisite, and is simple and convenient to use, and the video delay is low, and the transmission rate is high;
5. the invention can access the camera equipment based on IP and the camera equipment converted by IP;
6. the internet user can directly access and control the high-definition camera equipment through the invention.
Drawings
FIG. 1: logic diagram of system
FIG. 2: perspective view
Principle of operation
The invention adopts the 5G mobile communication technology of enhancing the mobile bandwidth, ultra-high reliability and low time delay communication and large-scale machine type communication, the real-time can reach millisecond magnitude, the theoretical downlink bandwidth can reach 2Gbps, and the uplink bandwidth can reach 200Mbps, thereby avoiding the picture blocking, mosaic and tailing conditions of ultra-high definition video data caused by bandwidth and network time delay, effectively improving the on-site experience effect of ultra-high definition video live broadcast, and laying an equipment foundation for edge calculation based on high definition video data to be possible. Furthermore, the equipment supports TCP/IP and 3G UMTS/WCDMA communication protocols, conforms to an OSI network reference model, adapts to a 5G NSA/SA networking mode and conforms to the 3GPP technical standard. The NSA anchors the control signaling of 5G on the 4G base station, and accesses the EPC or the 5GC through the 4G base station, and the NSA scheme requires the 4G/5G base station to be the same as the manufacturer, and the terminal supports double connection. By adopting the scheme, new characteristics such as network slicing, MEC and the like are not supported, EPC needs to be upgraded to support functions related to 5G access, and 4G base stations need to be upgraded to support an X2 interface between the 4G base stations and the 5G base stations. By adopting the scheme, the 5G network can support new characteristics such as network slice, MEC and the like, but the 4G base station needs to be upgraded to support the 5G protocol. Further, the 5G core network realizes the modularization of network functions and the complete separation of control functions and forwarding functions. The control plane can be deployed in a centralized way and carries out overall scheduling on forwarding resources; the user plane can be deployed in a centralized or distributed manner according to needs, and when the user plane sinks and is deployed close to the edge of the network, local flow shunting can be realized and end-to-end millisecond-level time delay is supported. The control plane function of the 5G core network refers to a service architecture in an IT system, and the control plane network function and interface interaction are described by adopting a service-based design scheme. Because the service architecture adopts an IT bus, the service module can independently register, release and discover, the complex interoperation caused by tight coupling between the traditional modules is avoided, the reusability of the function is improved, and the realization of the service flow is simplified. The 3GPP standard provides that a service interface protocol adopts TCP/TLS/HTTP2/JSON, thereby improving the flexibility and the expandability of the network. Furthermore, the device of the invention is provided with a standard gigabit Ethernet access port (RJ 45), the ultra-high definition video data acquisition device enters a data receiving module of the device of the invention through the gigabit Ethernet interface, a data security module is responsible for checking the sequence and the legality of data, a data transmission module connects an Ethernet interface and a 5G radio frequency communication module, Linux software arranged in the data transmission module converts a communication protocol, and the data is transmitted to a backbone network through the 5G communication module with high bandwidth, low delay and connection reliability. Furthermore, a remote user can perform lens zooming (zooming in and zooming out) and lens moving operations (moving up and down, moving left and moving right) on the ultra-high-definition video acquisition equipment in real time through the control system, and the ultra-low delay characteristic of the 5G network can provide good user experience. Further, due to the fact that the ultrahigh-definition video data are transmitted in real time, a remote user can really feel the field situation through a large screen or VR glasses, the ultrahigh-definition video data transmission system can be applied to dangerous occasions, emergency sites, important places, places where a transmission network is inconvenient to deploy, and the environment where ultrahigh-definition video acquisition equipment is moved, working efficiency is improved, and manpower and material resources are saved. Furthermore, the edge calculation based on the ultra-high-definition video data is limited by the problem of ultra-high-definition video data transmission, and the method lays an equipment and technical foundation for the edge calculation of the ultra-high-definition video data. In conclusion, the invention has the characteristics of high speed, low time delay, small volume, simple deployment, plug and play, strong working environment adaptability, labor saving and high efficiency.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to limit the invention in any way, and any variations or modifications which are based on the teachings of the invention are intended to be within the scope of the invention.
As shown in fig. 1 and fig. 2 of the accompanying drawings, the ultra-high-definition video acquisition device transmits acquired ultra-high-definition video data into a data receiving module of the device through a gigabit ethernet port (4), the data receiving module sequentially transmits the video data to a data security module of the device, the video data is verified by the data security module and then transmitted to a data transmission module of the device, and the video data is transmitted to a 5G communication base station through an antenna accessed through a 5G antenna port (1) in a radio frequency unit after protocol conversion, and then transmitted to a backbone communication network. A5G communication card is inserted into the Sim card slot (2) to provide access to a 5G mobile communication network. The USB3.0 mini port (3) provides the functions of adjusting the device parameters and installing and updating the system. The power port (5) provides 12V1A power access to power the device. The fixing nut interface (6) provides access of the equipment fixing bolt. The apparatus can access an IP-based image pickup apparatus and an IP-converted image pickup apparatus. The internet user can directly access and control the high-definition camera equipment through the equipment.
Claims (11)
1. The ultrahigh-definition video real-time transmission method and equipment based on the 5G mobile communication technology are characterized in that ultrahigh-definition video acquisition equipment transmits acquired ultrahigh-definition video data into a data receiving module of the equipment through a gigabit Ethernet port (4), the data receiving module sequentially transmits the video data to a data security module of the equipment, the video data are transmitted to a data transmission module of the equipment after being verified by the data security module, and the video data are transmitted to a 5G communication base station through an antenna accessed through a 5G antenna port (1) in a radio frequency unit after protocol conversion and then transmitted to a backbone communication network; a 5G communication card is inserted into the Sim card slot (2) to provide access to a 5G mobile communication network; the USB3.0 mini port (3) provides the functions of equipment parameter adjustment, system installation and updating; the power port (5) provides 12V1A power access to supply power to the equipment; the fixed nut interface (6) provides access of a fixed bolt of the equipment; the equipment can access the IP-based camera equipment and the IP-converted camera equipment; the internet user can directly access and control the high-definition camera equipment through the equipment.
2. The ultra high definition video real-time transmission method and device based on 5G mobile communication technology according to claim 1, wherein the transmission method is transparent transmission without video compression algorithm and decompression algorithm.
3. The ultra high definition video real-time transmission method and equipment based on the 5G mobile communication technology according to claim 1, wherein the 5G communication simultaneously supports NSA and SA networking modes.
4. The ultra high definition video real-time transmission method and device based on 5G mobile communication technology according to claim 1, wherein the communication module is compatible with 2G, 3G, 4G, and 5G communication technologies.
5. The method and the device for transmitting the ultra high definition video in real time based on the 5G mobile communication technology according to the claim 1, characterized in that the device is suitable for the existing market-sold IP-based camera device and IP-converted camera device.
6. The method and device for transmitting ultra high definition video in real time based on 5G mobile communication technology according to claim 1, wherein the ultra high definition video is video with image quality not limited to 4K and 8K.
7. The ultra high definition video real-time transmission method and device based on the 5G mobile communication technology according to claim 1, wherein the fixing nut interface is a mounting hole, and the mounting hole is an internal threaded hole.
8. The ultra high definition video real-time transmission method and equipment based on the 5G mobile communication technology according to claim 1, wherein the sim card slot is a commercially available sim card slot compatible with commercially available sim cards.
9. The ultra high definition video real-time transmission method and equipment based on the 5G mobile communication technology according to claim 1, wherein the 5G antenna port is suitable for a 5G communication antenna sold in the market and compatible with different mobile communication operators.
10. The ultra high definition video real-time transmission method and device based on the 5G mobile communication technology as claimed in claim 1, wherein the Linux-based control software in the control system is independently developed software and completely possesses independent intellectual property rights.
11. The ultra high definition video real-time transmission method and device based on the 5G mobile communication technology according to claim 1, wherein the power supply can be supplied by a lithium battery or by alternating current after transformation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010117533.3A CN113382191A (en) | 2020-02-25 | 2020-02-25 | Ultra-high-definition video real-time transmission method and device based on 5G mobile communication technology |
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| CN202010117533.3A CN113382191A (en) | 2020-02-25 | 2020-02-25 | Ultra-high-definition video real-time transmission method and device based on 5G mobile communication technology |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108111811A (en) * | 2017-12-16 | 2018-06-01 | 广东容祺智能科技有限公司 | A kind of UAV Communication system and communication means based on 5G network data communications |
| CN208739290U (en) * | 2018-06-28 | 2019-04-12 | 安徽四创电子股份有限公司 | A kind of video capture device based on wireless transmission |
| CN110290599A (en) * | 2019-07-08 | 2019-09-27 | Oppo广东移动通信有限公司 | Radio circuit, electronic equipment and radio circuit control method |
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2020
- 2020-02-25 CN CN202010117533.3A patent/CN113382191A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108111811A (en) * | 2017-12-16 | 2018-06-01 | 广东容祺智能科技有限公司 | A kind of UAV Communication system and communication means based on 5G network data communications |
| CN208739290U (en) * | 2018-06-28 | 2019-04-12 | 安徽四创电子股份有限公司 | A kind of video capture device based on wireless transmission |
| CN110290599A (en) * | 2019-07-08 | 2019-09-27 | Oppo广东移动通信有限公司 | Radio circuit, electronic equipment and radio circuit control method |
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