1. Project Name: Channel Simulator
Principal Investigator: Professor Li Peng
Project Source: Major Instrument Model Project
Project Duration: December 2020 - June 2023
Project Introduction: The 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 & Technology that can meet different test requirements such as mobile communication, the Internet of Things, wireless local area networks, vehicle communication, and satellite communication. The NX4941 supports up to 8 signal processing modules and a maximum of 1024 independent channels of MIMO wireless channel simulation. It widely supports various SIMO and MIMO channel models. It has rich channel models, high test flexibility, and excellent RF indicators. Especially in Doppler channel simulation (15MHz), the number of multipaths (48 standard, 90 extended), and path delay simulation, it has good performance. Some indicators are in a leading position internationally. The product innovatively adopts a modular RF front-end and signal processing unit structure, achieving unprecedented scalability and flexibility, fully meeting high channel density test requirements from SISO to large-scale MIMO systems and from point-to-point communication to MESH networks.
2. Project Name: Research and Equipment Development of Key Technologies for Open Command System
Principal Investigator: Professor Pan Chengsheng
Project Source: First Prize of National Defense Science and Technology Progress Award
Project Duration: January 2021
Project Introduction: Facing the highly confrontational and highly mobile combat environment of intelligent warfare, a new generation of open command system has been developed. The project has broken through four key technologies such as the XX command and control architecture, three of which are at the international leading level; realized the softwareization of two types of equipment, "XX communication system" and "XX control system", filling the domestic gap; the developed open command system serves as the technical standard and physical standard for unified rectification, leading the development of open command systems at all levels of all arms of the army, and improving the spectrum of our military command and control equipment, with significant military application prospects. The open command system has been equipped in the XX troops of 18 group armies in the original seven military regions. After unified rectification, it is allocated to the command posts at all levels of various arms of 13 group armies in the five war zones, with remarkable economic benefits. The achievement won the first prize of national defense science and technology progress in 2021.
3. Project Name: Centralized Monitoring, Upper-level Applications and Simulation Technology of Large-scale Mobile Networks
Principal Investigator: Professor Zhang Zhizhong
Project Source: Second Prize of Science and Technology Progress Award of the Ministry of Education
Project Duration: October 2022
Project Introduction: Relying on its solid disciplinary foundation in the field of communication network testing and more than 20 years of achievement accumulation, the project team adheres to independent innovation. Under the funding of 24 projects such as the national major science and technology special project and the national 863 program, after eleven years of research, it has solved a series of technical problems involved in unified architecture of data acquisition for instruments and monitoring systems, centralized monitoring of protocols and deployment of upper-level applications, and protocol simulation of existing networks. Proposed all-format mobile communication acquisition technology. Insist on independent research and development, from catching up and developing to leading the industry; developed the only acquisition technology in China that simultaneously supports all interfaces such as core networks, access networks and air interfaces; filled the technical gap in channelized acquisition and whole-network collaborative acquisition in China. Invented centralized monitoring and upper-level application technology for mobile hybrid networks. Proposed a real-time correlation method for mobile hybrid network protocols, with an efficiency of 98.3%, leading the international level; proposed upper-level application analysis technology, constructed a label system of "basic attributes + individual attributes", completed the extraction of 1055 user attributes, presented user characteristics hierarchically, and increased the business recognized by China Mobile from 559 to 893, and the recognition accuracy of the IMEI library increased by 27%. Proposed protocol simulation technology for existing networks. Invented a "component"-based rapid construction method of protocol stacks, developed a highly scalable general simulation test platform, and proposed a protocol simulation process similar to VHE services; it can quickly and effectively support the protocol simulation of existing networks of different networks and different terminals.
4. Project Name: Air Interface Testing Technology and Application of Non-cooperative Wireless Communication
Principal Investigator: Professor Zhang Zhizhong
Project Source: Second Prize of Innovation Achievement Award of the China Industry-University-Research Institute Collaboration Promotion Association
Project Duration: August 2021
Project Introduction: Wireless communication testing is an important part of the national new generation information technology innovation project. As the core content of wireless communication testing, air interface testing technology is dominated by Europe and the United States. Relying on its solid disciplinary foundation in the field of communication testing and more than 10 years of achievement accumulation, the project team adheres to independent innovation. With the support of 24 projects such as the national major science and technology special project, it conducts research on non-cooperative air interface physical layer access in complex electromagnetic environments, cross-layer analysis of multi-standard protocol stacks, distributed control of RF and baseband hardware, and high-density multi-port RF transceiver technology, and invents the "air interface testing method and device", which has been put into practical application.
5. Project Name: XXXX Target Collaborative Positioning Technology in XXXX Signal Distributed Joint Detection (8091B042319)
Principal Investigator: Professor Tu Gangyi
Project Source: Innovation Team of the Joint Fund of the Ministry of Education of the Ministry of Science and Technology and Informatization
Project Duration: December 2023 - December 2026
Project Introduction: This project is oriented to the application needs of UAV prevention and control in key areas, low-altitude navigation flight control, flight route flight support, and battlefield concealed surveillance. It studies key technologies such as low-altitude target detection based on non-cooperative communication signals of the Starlink. Develop a principle prototype and carry out detection tests. Support the use of small portable Starlink receiver equipment to build a networked system to achieve all-weather early warning and surveillance of low-altitude civil aviation aircrafts, air balloons, drones and other targets, and provide technical support for key area protection, Starlink satellite reconnaissance and positioning, and the opening of low-altitude airspace.
6. Project Name: Traffic Theory and Key Technologies of Space-Ground Integrated Intelligent Networks
Principal Investigator: Professor Pan Chengsheng
Project Source: Key Project of the National Natural Science Foundation of China
Project Duration: January 2020 - December 2024
Project Introduction: This research explores combining the elements of Shannon's and Turing's hypotheses and the scientific problems encountered in the process of transforming data into information and then into knowledge, that is, exploring the theoretical methods and key technologies of the composition, evolution, convergence and transmission of intelligent network traffic, and establishing a traffic theory for space-ground integrated intelligent networks; further, explore the new mechanism of link aggregation and the new method of heterogeneous network convergence based on the space-ground integrated intelligent network traffic theory to effectively improve the convergence, fusion and distribution efficiency of intelligent networks and enable the network to adapt to various task-driven modes; on this basis, build an experimental verification platform to complete key technology verification and lay a solid theoretical foundation for the construction of my country's space-ground integrated intelligent network.
7. Project Name: Domestic First W-Band All-Solid-State Dual-Polarization Portable Millimeter-Wave Cloud Detection Radar - Nanjing University of Information Science & Technology Tianjian No. 2
Principal Investigator: Professor Ge Junxiang
Project Duration: July 17, 2023
Project Introduction: W-band all-solid-state millimeter-wave cloud detection radar: Jiangsu millimeter-wave meteorological radar double-creation team project (2015 - 2020), Jiangsu JMRH millimeter-wave meteorological radar innovation technology platform project (2020 - 2023); underwater acoustic compact field test system: JWK basic innovation technology project (2021 - 2024).
8. Project Name: Research on Key Technologies of Intrusion Detection of Marine Meteorological Sensor Networks Based on Deep Learning
Project Source: Key Special Project of "Intergovernmental International Science and Technology Innovation Cooperation" of the National Key Research and Development Program
Project Duration: July 2021 - June 2023
Project Introduction: In view of the lack of corresponding special data protection technologies and early warning mechanisms for marine meteorological observation networks, high-dimensional intrusion detection, data security guarantee and prevention and confrontation mechanisms of marine meteorological sensor networks are studied, and the intrusion detection problem of high-dimensional and massive data sensor networks is solved; a multi-dimensional connectivity probability model of high-dynamic heterogeneous marine meteorological sensor networks based on stochastic geometry is established, which solves the problem of differences in computing power and energy consumption sensitivity of nodes in marine meteorological sensor networks, and breaks through key technologies such as long-distance edge data offloading in the marine environment and the self-consistency of "cloud-edge" from shore-based offshore to far sea, which helps support the wide application of marine meteorological sensor networks and realize data protection in the information transmission of marine meteorological sensor networks and promote the implementation of the national marine strategy of "the Belt and Road Initiative".
