TY - JOUR T1 - Two-step time of arrival estimation for pulse based ultra-wideband systems A1 - Gezici, S. A1 - Sahinoglu, Z. A1 - Molisch, A.F. A1 - Kobayashi, H. A1 - Poor, H.V. JA - EURASIP Journal on Advances in Signal Processing Y1 - 2008 ER -