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[According to a report from the Center for Strategic and International Studies (CSIS) on July 21], the CSIS recently released a report titled “Air Defense and Missile Defense Network Sensing: The Prospects of Passive Distributed Sensor Networks,” which explores the development direction of distributed, low-cost passive sensor network systems. This type of sensor mesh network will widely utilize electro-optical, acoustic, and passive radar equipment, relying on “multi-point short-range + collaborative fusion” to achieve wide-area distributed coverage, with advantages such as low cost and low detectability. According to CSIS’s vision, the deployment of this mesh network in the future will focus on several key aspects: first, complementary deployment with radar systems to achieve real-time complex weather detection and dynamic deployment, efficiently responding to adverse weather impacts and avoiding degradation of air defense and missile defense capabilities; second, extensive use of low-power, unattended nodes, leveraging civilian infrastructure (such as mobile phone signal towers) to address battlefield deployment and supply issues; third, utilizing edge AI preprocessing technology to upload only target trajectories instead of raw images, thus solving the problem of massive and complex operational network data that is difficult to process; fourth, employing multi-node three-dimensional observation or combining laser ranging methods to address the challenges of three-dimensional target positioning. The report proposes future development directions: first, transitioning sensor networks from the traditional “few high-end” model to a “low-end + high-end collaboration” style; second, emphasizing the organic integration of radar, electro-optical, and acoustic multimodal sensor data; third, establishing AI-driven deployment and mission planning tools; fourth, integrating the sensor mesh network into joint air defense systems such as “Aegis” and “Patriot” to create new qualitative sensing capabilities.
Authors: Yuhualong China Electronics Technology Group Corporation No. 27 Institute Zhang Hao China Electronics Technology Group Corporation No. 14 Institute
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