Speaker: Bo Tang

Affiliation: National University of Defense Technology

Academic title: Professor

Abstract:

In this talk, we investigate the fundamental detection performance of a multiple-input-multiple-output (MIMO) multifunction radio frequency (MFRF) system, which simultaneously supports radar, communication, and jamming. We show that the detection performance of the MIMO MFRF system improves as the transmit signal-to-interference-plus-noise-ratio (SINR) increases. To analyze the achievable SINR of the system, we formulate an SINR maximization problem under the communication and jamming functionality constraint as well as a transmit energy constraint. We derive a closed-form solution of this optimization problem for energy-constrained waveforms and present a detailed analysis of the achievable SINR. Moreover, we analyze the SINR for systems transmitting constant-modulus waveforms, which are often used in practice. We propose an efficient constant-modulus waveform design algorithm to maximize the SINR. Numerical results demonstrate the capability of a MIMO array to provide multiple functions, and also show the tradeoff between radar detection and the communication/jamming functionality.

Biography:

Bo Tang received the B.S. and Ph.D. degrees both in electrical engineering from Tsinghua University, Beijing, China, in 2006 and 2011, respectively. He is with the College of Electronic Engineering, National University of Defense Technology, China, where he is currently a Full Professor. His research interests mainly include adaptive radar signal processing and radar waveform design. He was selected as the "Young Elite Scientists Sponsorship Program" by China Association for Science and Technology (CAST) and sponsored by the Anhui Provincial Natural Science Foundation for Distinguished Young Scholars. He is currently an Associate Editor for the IEEE Transactions on Signal Processing.