Research And Implementation On Key Technologies Of Multi-node Data Link In Dynamic Network

Multi-node data link in dynamic network is a control, intelligence, tacticalinformation distributed systems on aerial platform. It forms the network through thedata link, then each node in the network shares the real-time tactical information. Thehigh degree of time and space integration, improves the speed and accuracy of thecollaborative strike.Nowadays foreign countries have already equipped data link in Multi-platform,and also have been promoting and strengthening the data link. Research on data linkstarted later in our country. The data processing capabilities, confidentiality andanti-jamming capability in our country’s data link system remain to be improved.Reference to the key technologies in foreign army’s advanced intra-flatcollaborative data link, this paper discussed the requirements for multi-node dynamicnetwork data link on networking mode, data transmission, anti-jamming performance.Physical layer transmission scheme is designed according to the requirements, theprogram was implemented and verified in FPGA hardware platform.First, this paper analyzed the multi-node dynamic network data link in the narrowwave networking, high-speed data transmission, and anti-jamming demand, designedthe physical layer transmission scheme in order to meet the demand, and verified thecritical performance requirements through matlab simulation.Second, this paper illustrated software overall design of the physical layertransmission scheme, realized the scheme on FPGA hardware platform and describedthe key modules of the uplink and downlink processing flow in detail, as well as thefunction and structure of the key modules.Finally, this paper tested the design through the networking functional testing anddata transceiver testing cases and verified the functionality and performance of thephysical layer transmission scheme meeting the needs of design specifications.The results of this research can be used in the collaborative data link physical layertransmission scheme design, which has important theoretical significance and value.