Spatial multiplexing by decomposing the far-field of a compact ESPAR antenna. - Osama N. Alrabadi; Antonis Kalis; Constantinos B. Papadias; Athanasios G. Kanatas (PIMRC, 2008)

Locating an Acoustic Source Using a Mutual Information Beamformer. - Osama N. Alrabadi; Fotios Talantzis; Anthony G. Constantinides (AIAI, 2009)

MIMO transmission and reception techniques using three-element ESPAR antennas. - Osama N. Alrabadi; Constantinos B. Papadias; Antonis Kalis; Nicola Marchetti; Ramjee Prasad (IEEE Commun. Lett., 2009)

Spatial multiplexing via antenna switching. - Osama N. Alrabadi; Constantinos B. Papadias; Antonis Kalis; Nicola Marchetti; Ramjee Prasad (IEEE Commun. Lett., 2009)

A universal encoding scheme for MIMO transmission using a single active element for PSK modulation schemes. - Osama N. Alrabadi; Constantinos B. Papadias; Antonis Kalis; Ramjee Prasad (IEEE Trans. Wirel. Commun., 2009)

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

A Novel Real OSTBC via a Single Radio. - Osama N. Alrabadi; Nicola Marchetti; Antonis Kalis; Constantinos B. Papadias; Ramjee Prasad (ICC, 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)

Spatial Multiplexing with a Single Radio: Proof-of-Concept Experiments in an Indoor Environment with a 2.6-GHz Prototype. - Osama N. Alrabadi; Chamath Divarathne; Philippos Tragas; Antonis Kalis; Nicola Marchetti; Constantinos B. Papadias; Ramjee Prasad (IEEE Commun. Lett., 2011)

Directional space-time modulation: A novel approach for secured wireless communication. - Osama N. Alrabadi; Gert Frølund Pedersen (ICC, 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)

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)

Efficient MIMO Transmission of PSK Signals With a Single-Radio Reconfigurable Antenna. - Mohsen Yousefbeiki; Osama N. Alrabadi; Julien Perruisseau-Carrier (IEEE Trans. Commun., 2014)