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Public security is the cornerstone of national security and social stability. It serves as a crucial condition for economic and social development, ensuring that people can live and work in peace and contentment. As a major strategic issue, it plays a vital role in building a harmonious socialist society. Therefore, the emergency command system has been fully implemented. However, in practical applications, it often faces numerous challenges from various aspects. This article aims to discuss common issues and provide suggestions on how to address them effectively.
With the continuous growth of China’s overall economic strength, governments at all levels have increasingly invested in the construction of emergency command systems. The core of such a system is based on a data information processing platform, which includes a command center dispatching platform, a transmission network, and front-end information acquisition equipment. Each component plays a critical role. Due to the unpredictable nature of emergencies, it is essential to plan multiple scenarios in advance. As a supplier of wireless mobile video transmission and satellite communication equipment for emergency communication systems, we have gained valuable insights into the construction of emergency command systems and the selection and application of various types of equipment. Below are some recommendations for your reference.
**Emergency Command Systems Should Have Industry Standards**
Currently, the national emergency command platform is managed by the National Emergency Management Office. However, provincial and municipal governments have not fully followed the national model. There are several reasons for this, including design units failing to consider new technologies, uneven basic network construction, lack of standardization in local implementation, complex equipment procurement, and varying technical capabilities among suppliers. Additionally, the random use environment and limited professional staff make it difficult to operate and maintain these systems during emergencies. Establishing mature guidelines and technical standards can ensure the system's functionality, interoperability, and reliability. This includes strict technical specifications for products, access to existing networks, radio management regulations, information protection measures, and specialized training institutions.
It is reported that relevant departments in China have already formulated or are in the process of developing the "Overall Technical Specifications for the 340M Wireless Mobile Video Transmission System" and the "Technical Specification for Uplinks of the 340 Mega Mobile Image Transmission System." Some leading enterprises, like Huawei, are also working on industry standardization. Their UC&CISV certification program promotes product integration and system networking, using non-proprietary protocols such as H.264 and SIP. This helps solve compatibility issues and ensures reliable video transmission in emergency situations.
**Regulating the Emergency Command System Market**
As a national-level project, the overall design and implementation of the emergency command system should be undertaken by large-scale research institutions with high-level integration capabilities. However, local government projects often lack standardization. Contractors compete primarily on price, leading to poor system performance and unreliable after-sales service. To address this, it is necessary to set entry thresholds for contractors and suppliers, protecting companies with strong technical capabilities and legitimate operations.
**The Role of Wireless Transmission Systems in Emergency Command**
Although wireless mobile video transmission systems occupy a small portion of the emergency command support platform, they play a critical role during emergencies. These systems are used in command vehicles, rescue vehicles, anti-riot vehicles, helicopters, drones, and other platforms. Companies with deep understanding of emergency needs develop products tailored for such environments. For example, Keweitai’s multi-carrier modulation technology offers one-way transmission with minimal interference, making it ideal for scenarios where radio resources are limited.
**Government Needs to Regulate Radio Product Production and Sales**
China is a major producer of radio products, but their production and sales are highly irregular. Issues include unauthorized access to advanced communication technologies, exceeding power and bandwidth limits, and selling substandard products. These actions disrupt emergency communications and violate radio resource management rules. Strengthening regulation and enforcement is essential to ensure compliance and system integrity.
**The Government Should Enhance Supervision**
In 2010, the Ministry of Industry and Information Technology issued new radio frequency regulations. During the Shenzhen Universiade in 2011, strict control measures were implemented to protect radio safety. These examples highlight the importance of government oversight in maintaining the reliability of emergency communication systems.
**Challenges in Emergency Command System Transmission**
Looking ahead, the future of emergency command systems will rely on public information networks, especially 3G and 4G/LTE. These technologies improve coverage, reduce costs, and enable real-time data transmission. While current 3G systems have limitations in video resolution and delay, future advancements will enhance performance. Satellite communication systems, though currently limited in capacity and cost, will benefit from technological progress. Front-end devices, including video and trunking systems, will continue to evolve with new technologies, leading to higher-definition video transmission.
In conclusion, the emergency command system continues to improve alongside advances in supporting technologies. Through years of experience in emergency communications, it is clear that the national radio authority and other relevant departments must strengthen management to ensure the safety and efficiency of the emergency support system.