1. Project name: Channel Simulator
Person in charge: Professor Li Peng
Project source: Instrument major model project
Project time: 202012-202306
Project introduction: NX4941 channel simulator is a general multi-channel wireless communication channel simulation solution. It is a high-performance communication instrument independently developed by Nanjing University of Information Science and Technology, which can meet different test requirements of mobile communication, Internet of things, wireless local area network, vehicle communication, satellite communication and so on. NX4941 supports up to 8 signal processing modules, up to 1024 independent channels MIMO wireless channel simulation, wide support for all kinds of SIMO, MIMO channel models, rich channel models, high test flexibility, and excellent RF indicators, especially in Doppler channel simulation (15MHz), number of multipath (standard 48, It has good performance in path delay simulation, and some indicators are in the leading position in the world. The innovative modular RF front-end and signal processing unit structure of the product achieves unprecedented scalability and flexibility, and fully meets the high channel density test requirements from SISO to massive MIMO systems, from point-to-point communication to MESH networks.
2. Project name: Key technology research and equipment development of open command system
Person in charge: Professor Pan Chengsheng
Project source: First Prize of National Defense Science and Technology Progress Award
Project time: 202101
Project introduction: A new generation open command system is developed for intelligent war, strong confrontation and high mobility operation environment. The project has broken through 4 key technologies such as XX command and control architecture, 3 of which are at the international leading level. Realized the "XX communication system" and "XX control system" 2 type equipment software, filled the domestic gap; The developed open command system, as the technical standard and physical standard for the reorganization of the system, leads the development of open command system for all arms of the army at all levels, improves the spectrum of command and control equipment of the army, and has a significant military application prospect. The open command SYSTEM HAS BEEN EQUIPPED IN XX TROOPS of 18 group ARMIES in 7 military regions, and has been deployed IN command posts of all arms of 13 group armies in 5 theater commands after unified reorganization, with remarkable economic benefits. The results were awarded the First Prize of National Defense Science and Technology Progress in 2021.
3. Project Name: Centralized monitoring, Upper application and Simulation Technology of large-scale mobile network
Person in charge: Professor Zhang Zhizhong
Project source: Second prize of Science and Technology Progress Award of Ministry of Education
Project time: 202210
Project Introduction: Relying on its solid disciplinary foundation in the field of communication network testing and the accumulation of more than 20 years of achievements, the project team insists on independent innovation. Under the funding of 24 projects such as the National Science and Technology Major project and the National 863 Plan, after 11 years of research, A series of technical problems are solved, such as the unified data acquisition architecture of the instrument and monitoring system, the centralized monitoring of the protocol and the deployment of the upper application, and the simulation of the current network protocol. The whole system mobile communication acquisition technology is proposed. Adhere to independent research and development, from catching up to leading the industry; Developed the only collection technology that supports all interfaces such as core network, access network and air interface in China. It fills the technical gap in channelized data collection and cooperative data collection in our country. The centralized monitoring and upper application technology of mobile hybrid network is invented. The real-time correlation method of mobile hybrid network protocols is proposed, and the efficiency is 98.3%, which is in the leading level in the world. The upper application analysis technology is proposed, and the "basic attributes + personality attributes" label system is constructed. The extraction of 1055 user attributes is completed, and the user characteristics are presented hierarchally. The business of China Mobile identification is increased from 559 to 893, and the recognition accuracy of IMEI database is increased by 27%. This paper proposed a protocol simulation technology for the existing network. A rapid construction method of protocol stack based on "component" was invented, a general simulation and test platform with high scalability was developed, and a protocol simulation process similar to VHE service was proposed. It can quickly and effectively support the simulation of existing network protocols in different networks and different terminals.
4. Project Name: Non-cooperative wireless communication Air interface Testing Technology and application
Person in charge: Professor Zhang Zhizhong
Project source: Second prize of Innovation Achievement Award of China Association for the Promotion of Industry-University-Research Cooperation
Project time: 202108
Project Introduction: Wireless communication test is an important part of the national new generation information technology innovation project. Air interface test is the core content of wireless communication test, and its technology is dominated by Europe and America. Relying on its solid disciplinary foundation in the field of communication testing and more than 10 years of achievements, the project team adheres to independent innovation, and under the support of 24 national science and technology major special projects, carries out research on non-cooperative air interface physical layer access, multi-standard protocol stack cross-layer analysis, radio frequency and baseband hardware distributed control, and high-density multi-port radio frequency transceiver technology in complex electromagnetic environment. The "air test method and device" was invented and put into practical application.
5. Project Name: XXXX Target Cooperative Positioning Technology in Distributed Joint Detection of XXXX Signal (8091B042319)
Person in charge: Professor Tu Gangyi
Project source: The Innovation Team of the Ministry of Education Joint Fund for Preparatory Research, Department of Science and Technology and Informatization, Ministry of Education
Project time: 202312-202612
Project introduction: This project is oriented to the application requirements of UAV prevention and control in key areas, low-altitude general aviation flight control, airline flight support and battlefield covert surveillance, and researches the key technologies of low-altitude target detection based on starlink non-cooperative communication signals. The principle prototype is developed and the detection test is carried out. It supports the construction of a network system with small portable starlink receiver equipment to realize full-time and all-weather early warning and surveillance of targets such as low and medium altitude civil aviation aircraft, airborne balloons, and unmanned aerial vehicles, and provides technical support for key area protection, starlink satellite reconnaissance and positioning, and low-altitude airspace opening.
6. Project Name: Theory and Key Technologies of space-ground Integrated Intelligent Network Traffic
Person in charge: Professor Pan Chengsheng
Project source: Key Project of National Natural Science Foundation of China
Project time: 202001-202412
Project introduction: This research explores the scientific problems encountered in the process of transforming data to information and then knowledge by combining the elements of Shannon and Turing hypothesis. That is, it explores the theoretical methods and key technologies of the composition, evolution and convergence transmission of intelligent network traffic, and establishes the theory of space-ground integration intelligent network traffic. Further, the new mechanism of link convergence and the new method of heterogeneous network integration based on the traffic theory of space-ground integration intelligent network were explored to effectively improve the efficiency of intelligent network convergence, integration and distribution, so that the network could adapt to various task-driven modes. On this basis, an experimental verification platform is set up to complete the verification of key technologies, which lays a solid theoretical foundation for the construction of the space-ground integration intelligent network in China.
7. Project name: The first W-band all-solid-state dual-polarization portable millimeter-wave cloud radar in China -- NUIST Tianjian II
Responsible person: Professor Ge Junxiang
Project time: 20230717
Project introduction: W-band All-solid-state millimeter Wave cloud Radar: Jiangsu Millimeter Wave Meteorological Radar Innovation and Innovation Team Project (2015-2020), Jiangsu JMRH millimeter Wave Meteorological Radar Innovation Technology Platform Project (2020-2023); Test System of Underwater Acoustic Compression Field: JWK Basic Innovative Technology Project (2021-2024)
8. Project Name: Research on key technologies of Marine Meteorological sensor network Intrusion Detection based on Deep learning
Project source: National Key Research and Development Program "Intergovernmental International Science and Technology Innovation Cooperation" key project
Project time: 202107-202306
Project introduction: In view of the lack of corresponding dedicated data protection technology and early warning mechanism in Marine meteorological observation network, the intrusion detection, data security and prevention mechanism of high-dimensional Marine meteorological sensor network were studied, and the intrusion detection problem of high-dimensional and massive data sensor network was solved. The multi-dimensional connectivity probability model of highly dynamic heterogeneous Marine meteorological sensor network based on stochastic geometry is established, which solves the problem of different computing power and energy consumption sensitivity of Marine meteorological sensor network nodes, and breaks through the key technologies such as long-distance edge data offloading in Marine environment and "cloud-edge" consistency between shore-based offshore and offshore. It is helpful to support the wide application of Marine meteorological sensor networks, realize data protection in information transmission of Marine meteorological sensor networks, and promote the implementation of the "Belt and Road" national Marine strategy.
