Spatial spectrum sensing for cognitive radios via miniaturized parasitic antenna systems. - Elpiniki P. Tsakalaki; Osama N. Alrabadi; Constantinos B. Papadias; Ramjee Prasad (CrownCom, 2010)

An adaptive reactance-assisted antenna system for the MIMO uplink. - Elpiniki P. Tsakalaki; Osama N. Alrabadi; Constantinos B. Papadias; Ramjee Prasad (ICECS, 2010)

Enhanced selection combining for compact single RF user terminals in multiuser diversity systems. - Elpiniki P. Tsakalaki; Osama N. Alrabadi; Constantinos B. Papadias; Ramjee Prasad (PIMRC, 2010)

Spatial spectrum sensing for wireless handheld terminals: design challenges and novel solutions based on tunable parasitic antennas. - Elpiniki P. Tsakalaki; Osama N. Alrabadi; Constantinos B. Papadias; Ramjee Prasad (IEEE Wirel. Commun., 2010)

Spectrum sensing using single-radio switched-beam antenna systems. - Elpiniki P. Tsakalaki; David Wilcox; Elisabeth de Carvalho; Constantinos B. Papadias; Tharmalingam Ratnarajah (CrownCom, 2012)

Non Cooperative Space-Time Communication for Energy Efficiency in Sensor Networks. - Elpiniki P. Tsakalaki; Osama N. Alrabadi; Antonis Kalis; Constantinos B. Papadias; Ramjee Prasad (IEEE Trans. Commun., 2012)

Better but Worse, the Challenging Promise of 4G Smartphones. - Mauro Pelosi; Alexandru Tatomirescu; Osama N. Alrabadi; Francescantonio Della Rosa; Elpiniki P. Tsakalaki; Gert Frølund Pedersen (VTC Fall, 2013)

Beamforming via Large and Dense Antenna Arrays Above a Clutter. - Osama N. Alrabadi; Elpiniki P. Tsakalaki; Howard Huang; Gert Frølund Pedersen (IEEE J. Sel. Areas Commun., 2013)

On Spatial Domain Cognitive Radio Using Single-Radio Parasitic Antenna Arrays. - David Wilcox; Elpiniki P. Tsakalaki; Ayse Kortun; Tharmalingam Ratnarajah; Constantinos B. Papadias; Mathini Sellathurai (IEEE J. Sel. Areas Commun., 2013)

Covariance-Based Spatial Channel Structure Emulation for MIMO OTA Testing. - Elpiniki P. Tsakalaki; Osama N. Alrabadi; Wei Fan 003; Gert Frølund Pedersen (IEEE Commun. Lett., 2014)