Printed Omni-Directional UWB Monopole Antenna With Very Compact Size Wu, Qi ; Jin, Ronghong ; Geng, Junping ; Ding, Min Abstract Publication: IEEE Transactions on Antennas and Propagation Pub Date: March 2008 DOI: 10.1109/TAP.2008.917018 Bibcode: 2008ITAP...56..896W