Gerrits, J.F.M. (author), Kouwenhoven, M.H.L. (author), Van Der Meer, P.R. (author), Farserotu, J.R. (author), Long, J.R. (author) This paper presents a novel UWB communications system using double FM: a low-modulation index digital FSK followed by a high-modulation index analog FM to create a constant-envelope UWB signal. FDMA techniques at the subcarrier level are exploited to accommodate multiple users. The system is intended for low (110 kbps) and medium (1001000 kbps)...
journal article 2005
