He has published more than 180 papers in international journals and conferences. His research interests include radio resource management in wireless networks, multihop relaying, cooperative communication, vehicular ad hoc networks, cognitive radio networks, and wireless sensor networks (WSNs).,Dr. Ahmed served as an Editor for IEEE Communication Surveys and Tutorials from 2007 to 2018 and a Guest Editor for a Special Issue on the Fairness of Radio Resource Allocation, European Association For Signal Processing Journal on Wireless Communications and Networking (EURASIP JWCN) in 2009. His research is sponsored by Natural Sciences and Engineering Research Council of Canada (NSERC), Canada Foundation for Innovation (CFI), Qatar National Research Fund (QNRF), Bell/Aliant, and other governmental and industrial agencies.