Brief Analysis of the Structure and Design Principle of Mobile Base Station Wireless Video Surveillance System

Mobile communication services are closely related to people's lives. Providing high-quality and satisfactory services to users has become an important task for mobile companies. Therefore, the comprehensive construction of the base station is very important. At present, the mobile station base station coverage is very wide, and there are already mobile base stations in the mountains and remote villages. This has made great efforts for signal coverage of mobile communications. However, the monitoring of mobile base stations has become a very big problem. With the comprehensive transformation of the mobile network, in order to improve the work efficiency, each mobile base station must be unattended. Establishing a monitoring center in the mobile dispatch communication center, which can monitor and monitor data, environmental parameters, images, etc. of each base station, so as to be able to understand and grasp the situation of each base station in real time and directly, and respond to the situation in time. Strengthen the maintenance and management of mobile base stations to ensure the smoothness of mobile signals and adapt to the development needs of the industry.

The management of mobile base stations in various places mainly has the following outstanding problems: the management of mobile base stations in the past has the following characteristics:

1. The mobile base stations are distributed in urban and rural areas, with high mountains and flat terrain, and the terrain is complex. The traditional manual inspection method can not meet the rapid development of mobile communication services.

2, the lack of professional maintenance personnel, the level of maintenance personnel is uneven. The maintenance personnel cannot move the remote base station equipment running status and environment in time, and cannot eliminate the fault of the equipment in time;

3. The security of the alpine base station cannot be guaranteed in time. Due to the wide distribution of base stations, the surrounding environment is complex and unattended, the security problems of the equipment room are more prominent. Safety issues such as fire prevention, anti-theft and waterproof must be solved to ensure the safe operation of the equipment.

4. The theft of base station equipment is serious.

1, the solution

The mobile base station is an effective means to ensure the normal operation of the communication network, but the environment in different places is different, resulting in very low work efficiency, and a lot of time is wasted in the process of climbing and walking. It is difficult to carry out the repair work of mobile communication on time. To this end, Guangzhou Yitong Technology Co., Ltd. organized a group of technical talents with advanced technical experience in the communications industry and cutting-edge electronic technology talents to develop a wireless video surveillance system specifically for mobile base stations, effectively solving various shortcomings of base stations. The video data can be directly transmitted to the streaming media server through the mobile GPRS data network, so that the mobile station monitoring and maintenance department can timely and truly understand the environmental conditions of the base station site, thereby effectively ensuring the normal operation of the communication network.

1) Acquisition end: The acquisition end is collected by a high-speed dome camera, and the captured image is fast and clear.

2) Network: Due to the inconvenient provision of wired network, the live video image can be transmitted to the mobile IDC Streaming Media Intelligent Integrated Application Platform (SCCAP) or the streaming media intelligent integrated application platform installed by the unit through mobile GPRS and EDGE wireless networks. (SCCAP), then the mobile base station monitoring center can be viewed directly via a network PC or mobile phone.

3) Monitoring terminal: Mobile phone is the most commonly used communication tool, and mobile phone monitoring is the latest and most convenient monitoring method, which is to make full use of the portability and ease of operation of mobile phones, as well as China Mobile’s ubiquitous wireless network to achieve “anytime Anywhere, free to control the new monitoring mode. The mobile base station wireless video surveillance system allows field personnel and leaders to clearly and clearly observe the monitoring points. It can also be viewed on a computer.

Mobile base station wireless video surveillance system - "mobile eye" means that users can monitor the monitoring points anytime and anywhere through mobile devices such as mobile phones, PDAs, computers, etc., and clearly and accurately view the monitoring points. During the monitoring process, Adjust the gimbal to the best monitoring angle. The "Mobile Eye" system consists of four parts: 1. On-site video capture front end, 2. Video transmission network, 3. Streaming Media Intelligent Integrated Application Platform (SCCAP) 4. Mobile phones, computers, TV walls and other monitoring terminals. As shown below:

(1) Acquisition front end

Front-end monitoring equipment: Through the acquisition front-end equipment: high-speed dome camera to transmit images to the Streaming Media Intelligent Integrated Application Platform (SCCAP), the access form can be wireless, the camera can be used with PTZ or non-PTZ devices; outdoors, Taking into account the complex environmental conditions such as different weather, temperature, light, etc., the camera with infrared can be directly connected to the network;

(2) Video transmission network

Transmission can be carried out in both wireless and wired modes. The wired mode is an internet platform that can support various Internet access technologies, such as ADSL, Ethernet, and private lines. It fully utilizes the economical and convenient features of the Internet. The wireless mode is implemented through China Mobile's wireless platform, and the network coverage is high.

(3) Streaming Media Intelligent Integrated Application Platform (SCCAP)

The platform has functions such as authentication, management, operation, and storage, and supports multi-user, multi-range, multi-application, and multi-distribution overall monitoring. Through the platform's software and hardware devices, the following main functions can be easily realized:

(4) Monitoring terminal

"Mobile Eye" supports various forms of monitoring terminals. Users can monitor mobile phones, PDAs, computers and other mobile devices anytime and anywhere, or centrally monitor them through PCs, TV walls, projections and other traditional devices.

Mobility: The mobile GPRS and EDGE wireless networks can achieve high smooth image performance of 5-20 frames per second without network cabling and antenna setup.

Wide coverage of the system: it can be applied nationwide, including remote mountain areas covered by other operators' wireless networks;

Image compression algorithm: adopts the latest H.264 video compression algorithm with higher compression;

Network image transmission: low network resource consumption, high-quality, smooth images are transmitted under low bandwidth conditions;

Support dynamic IP: use dynamic IP resolution technology to automatically resolve IP addresses assigned by the Internet;

Networking: Through mobile GPRS, EDGE wireless network and Internet network, you can truly monitor at any time, from anywhere, to any site;

Easy to use, easy to operate and manage: you can install client software on PC and mobile phone, or remotely monitor and remotely manage through WEB mode, graphical interface;

Complete monitoring and management functions: The system provides users with flexible monitoring screen selection, preset position and lens round robin, as well as functions such as image capture, video and video playback, alarm and alarm linkage;

Information security: Make full use of network tunneling, firewall/VPN, encryption lock, rights management, security authentication, real-time clock and other technologies to ensure that the monitoring system and video data are not used and destroyed.

Powerful management platform: distributed hierarchical management, users can monitor, manage, real-time, real-time and real-time command monitoring and management objectives without time and space constraints.

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