Android-based vehicle-mounted video acquisition and transmission device
By using an Android-based vehicle-mounted video acquisition and transmission device, and leveraging 5G network and H.264 encoding module, combined with TETRA or LTE-M network switching unit, the problems of high video transmission latency and high packet loss rate in high-speed mobile scenarios are solved, and stable transmission of high-definition video is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CRSC COMM & INFORMATION
- Filing Date
- 2024-11-25
- Publication Date
- 2026-04-24
AI Technical Summary
In high-definition video communication, especially in high-speed mobile scenarios such as high-speed rail, unstable signals lead to video transmission delays and high packet loss rates, making it difficult to guarantee the real-time performance and stability of video quality.
An onboard video acquisition and transmission device based on the Android platform is adopted. It utilizes a 5G network, an H.264 video encoding module, and an RTP packet encapsulation module. It connects to the onboard communication terminal through a 5G communication chip and combines a narrowband trunking TETRA or broadband communication LTE-M network switching unit to ensure stable transmission of video data in the train's dedicated communication network.
It enables efficient transmission of high-definition video over 5G networks, reduces latency and packet loss rate, and ensures the stability and smoothness of video communication.
Smart Images

Figure CN224164851U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of video data transmission technology, and in particular to an Android-based vehicle video acquisition and transmission device. Background Technology
[0002] In the field of high-definition video communication, the high bandwidth and low latency brought by 5G networks have provided unprecedented opportunities for video data transmission. With the increase in video resolution, the amount of video data also increases significantly. How to reduce transmission latency while ensuring video quality has become a key research focus. Especially in high-speed mobile scenarios such as high-speed rail, signal instability poses even greater challenges to the real-time transmission of high-definition video. Utility Model Content
[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an Android-based vehicle video acquisition and transmission device.
[0004] The objective of this utility model can be achieved through the following technical solutions:
[0005] An Android-based vehicle video acquisition and transmission device includes an Android platform terminal and a vehicle communication terminal connected via 5G communication.
[0006] The MCU of the Android platform terminal is connected to the camera module through the H.264 video encoding module and to the 5G communication chip through the RTP packet encapsulation module;
[0007] The vehicle-mounted communication terminal is equipped with a radio frequency unit that connects to the 5G communication chip signal; the radio frequency unit is connected to the service interface module and the train-dedicated communication network through the network switching unit.
[0008] As a preferred technical solution, the network switching unit is a narrowband trunked TETRA communication unit.
[0009] As a preferred technical solution, the network switching unit is a broadband communication LTE-M communication unit.
[0010] As a preferred technical solution, the communication antenna of the network switching unit is installed on the roof and under the train.
[0011] As a preferred technical solution, the communication antenna of the network switching unit is connected to the radio frequency unit through the POI combiner platform.
[0012] As a preferred technical solution, the radio frequency unit is a 5G Internet access module with a Mini PCIe standard interface.
[0013] As a preferred technical solution, the radio frequency unit is equipped with a Massive MIMO radio frequency antenna connected to the 5G band.
[0014] As a preferred technical solution, the service interface module is equipped with an Ethernet port, a serial port, and an analog audio interface.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] This invention provides a high-efficiency video communication method based on a 5G network, utilizing the Android platform and 5G network. The vehicle-mounted communication terminal provides a radio frequency unit, supporting 5G signal transmission with the Android terminal. Under the 5G network, due to the increased bandwidth, high-definition video transmission becomes smoother and more efficient. The captured video is then uploaded to the cloud platform for storage by the train communication terminal. This effectively reduces packet loss rate and latency, ensuring the stability and smoothness of video communication. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the Android-based vehicle video acquisition and transmission device of this utility model;
[0018] Figure 2 This is the front view of the vehicle-mounted communication terminal of this utility model. Detailed Implementation
[0019] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. This embodiment is based on the technical solution of the present invention and provides detailed implementation methods and specific operating procedures; however, the scope of protection of the present invention is not limited to the following embodiments.
[0020] Example 1
[0021] This utility model provides an Android-based vehicle-mounted video acquisition and transmission device. Based on the Android platform and a 5G network, it acquires video data from a camera, encodes the data using an H.264 video encoding module 102, and packages the data using an RTP packetization module 104. Data transmission occurs between the device and a 5G-enabled vehicle-mounted communication terminal 2 via a communication chip 105. The vehicle-mounted communication terminal 2 then uploads the data to the dispatching platform via the train's dedicated network, thus achieving high-definition video acquisition and transmission. Figure 1 As shown, the device is as follows:
[0022] An Android-based vehicle video acquisition and transmission device includes an Android platform terminal 1 and a vehicle communication terminal 2 connected via 5G communication.
[0023] The MCU 103 of the Android platform terminal 1 is connected to the camera module 101 through the H.264 video encoding module 102, and is connected to the communication chip 105 through the RTP packet encapsulation module 104;
[0024] The vehicle-mounted communication terminal 2 is equipped with a radio frequency unit 202 that is connected to the 5G communication chip 105; the radio frequency unit 202 is connected to the service interface module 203 of the vehicle-mounted communication terminal 2 and connected to the train-dedicated communication network through the network switching unit 201.
[0025] The network switching unit 201 can be a commonly used narrowband trunked TETRA communication unit, or it can be a communication unit that supports the next-generation broadband communication LTE-M. The communication antenna of the network switching unit 201 is installed on the roof and under the train, and is connected to the radio frequency unit 202 through the POI combiner platform.
[0026] The radio frequency unit 202 is a 5G Internet access module with a Mini PCIe standard interface, and it is equipped with a Massive MIMO radio frequency antenna connected to the 5G frequency band.
[0027] The service interface module 203 not only connects to the radio frequency unit 202, but also has an Ethernet port, a serial port and an analog audio interface, which are used to acquire various service audio and video information on the train and upload it to the train dispatching platform through the network switching unit 201.
[0028] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.
Claims
1. An Android-based vehicle-mounted video acquisition and transmission device, characterized in that, Including an Android platform terminal (1) and an in-vehicle communication terminal (2) connected via 5G communication; The MCU (103) of the Android platform terminal (1) is connected to the camera module (101) through the H.264 video encoding module (102) and to the 5G communication chip (105) through the RTP packet encapsulation module (104). The vehicle-mounted communication terminal (2) is equipped with a radio frequency unit (202) that is connected to the 5G communication chip (105) via signal; the radio frequency unit (202) is connected to the service interface module (203) and to the train-dedicated communication network via the network switching unit (201); The network switching unit (201) is a narrowband trunked TETRA communication unit; the network switching unit (201) is a broadband LTE-M communication unit, and the communication antenna of the network switching unit (201) is connected to the radio frequency unit (202) through the POI combiner platform.
2. The vehicle-mounted video acquisition and transmission device based on Android according to claim 1, characterized in that, The communication antenna of the network switching unit (201) is installed on the roof and under the train.
3. The vehicle-mounted video acquisition and transmission device based on Android according to claim 1, characterized in that, The radio frequency unit (202) is a 5G Internet access module with a Mini PCIe standard interface.
4. The vehicle-mounted video acquisition and transmission device based on Android according to claim 3, characterized in that, The radio frequency unit (202) is equipped with a Massive MIMO radio frequency antenna connected to the 5G band.
5. The vehicle-mounted video acquisition and transmission device based on Android according to claim 1, characterized in that, The service interface module (203) is equipped with an Ethernet port, a serial port and an analog audio interface.