In the fields of communication network technology, wireless communication and mobile communication technology, wireless access technology, communication signal processing technology, communication countermeasure technology, etc., he presided over and cooperated to complete nearly 30 national "863" high-tech projects, national natural science foundation projects and national "Tenth Five-Year Plan" and "Ninth Five-Year Plan" pre-research projects. The main technical directions involved are: wireless mobile ad hoc network technology, wireless sensor network technology, cognitive wireless network technology, wireless ad hoc network distributed cross-layer collaborative optimization design technology, wireless mobile ad hoc network self-management technology, wireless routing technology, wireless resource management technology, mobility management technology, networking and wireless access technology based on launch platform, software radio station networking and waveform development technology, data link anti-jamming software waveform development technology, wireless communication and navigation time-frequency joint anti-jamming technology, mobile user positioning algorithm technology and so on. It has obtained many provincial and ministerial scientific appraisal achievements 10, and the achievement level has reached the advanced level at home and abroad. Won two second prizes for scientific and technological progress of the Ministry of Electronic Industry, three prizes for scientific and technological progress of Sichuan Province 1, two prizes for scientific and technological progress of Chengdu 1, and first prize for teaching achievement of University of Electronic Science and Technology of China 1. He has published more than 0/00 academic papers/kloc-in domestic and foreign academic journals and international and domestic academic conferences, and applied for 5 national technology invention patents. He has taught the postgraduate course Signal Detection and Estimation and the undergraduate course Communication System. More than 100 graduate students and doctoral students were recruited and trained, and 3 postdoctoral students were trained.