 His current research interests include broadband digital communications systems, ultrawide bandwidth systems, fading channel modeling and simulation, diversity systems, interference prediction and cancellation, importance sampling and semi-analytical methods, decision-feedback equalization, and space-time coding.Beaulieu is a member of the IEEE Communication Theory Committee and served as its representative to the Technical Program Committee of the 1991 International Conference on Communications (ICC) and as co-representative to the Technical Program Committee of the 1993 ICC and the 1996 ICC.He was general chair of the Sixth Communication Theory Mini-Conference in association with GLOBECOM’97 and co-chair of the Canadian Workshop on Information Theory 1999.