Ultrawideband In-Ground Multiport Antenna for Small Cell Applications Jamaly, Nima ; Belanovic, Pavle ; Scanferla, Damiano ; Lehmann, Hugo ; Genoud, Carine Abstract Publication: IEEE Transactions on Antennas and Propagation Pub Date: May 2017 DOI: 10.1109/TAP.2017.2671020 Bibcode: 2017ITAP...65.2318J