Distributed Electromagnetic Spectrum Detection System Based on Self-organizing Network

With the continuous development of radio technology, the number of radio networks is increasing, the number of radio frequency devices is exponentially increasing, and the electromagnetic spectrum space is increasingly complex. In order to realize the effective supervision of radio spectrum resources, a distributed electromagnetic spectrum detection system based on self-organizing network is proposed. The system selects the portable embedded system as the main control module and server, and uses the wireless mesh network based on the blank TV band as the backbone network to realize the communication between the detection nodes and the user terminals in the distributed electromagnetic spectrum detection system. The user terminal adopts distributed computing mode to analyze and process multidimensional spectrum data in time domain, frequency domain and spatial domain in real time. The system realizes the spectrum visualization, displays invisible electromagnetic environment in a more intuitive way, and provides a basis for dynamic spectrum access.