A printed circuit switched array antenna for indoor communications. - Antonis Kalis; Theodore Antonakopoulos 001; Vassilios Makios (IEEE Trans. Consumer Electron., 2000)

Direction finding in IEEE802.11 wireless networks. - Antonis Kalis; Theodore Antonakopoulos 001 (IEEE Trans. Instrum. Meas., 2002)

Efficient Delivery of Information in Sensor Networks Using Smart Antennas. - Tassos Dimitriou; Antonis Kalis (ALGOSENSORS, 2004)

Improving the frequency characteristics of the electronically steerable passive array radiator antenna. - Michael J. Carras; Antonis Kalis; Anthony G. Constantinides (ISWCS, 2004)

Two Bounce Geometric Model for SIR Evaluation in AD-HOC Networks Using Directional Antennas. - Michael Mavrommatis; Antonis Kalis; Michael J. Carras (PIMRC, 2005)

A sectored phased array for DBF applications. - Antonis Kalis; Michael J. Carras (IEEE Trans. Veh. Technol., 2005)

EU Project Resolution - Reconfigurable Systems for Mobile Local Communication and Positioning. - Frank Ellinger; Jörg Carls; Silvan Wehrli; Heinz Jäckel; Christian Kromer; Leif Wiebking; Alexander Dabek; Jörg Hüttner; Richard Roskosch; Roland Gierlich; Claus Seisenberger; Mario Huemer; et al. (WINSYS, 2006)

An ESPAR Antenna for Beamspace-MIMO Systems Using PSK Modulation Schemes. - Antonis Kalis; Constantinos B. Papadias (ICC, 2007)

HYMAC: Hybrid TDMA/FDMA Medium Access Control Protocol for Wireless Sensor Networks. - Mastooreh Salajegheh; Hamed Soroush; Antonis Kalis (PIMRC, 2007)

Grid-Based Virtual Laboratory Experiments for a Graduate Course on Sensor Networks. - Ioannis T. Christou; Sofoklis Efremidis; Thanassis Tiropanis; Antonis Kalis (IEEE Trans. Educ., 2007)

On the use of ultrasonic communications in biosensor networks. - Antonis Ifantis; Antonis Kalis (BIBE, 2008)

A Stochastic Algorithm for Beamforming Using ESPAR Antennas. - Vlasis Barousis; Athanasios G. Kanatas; Antonis Kalis; Constantinos B. Papadias (GLOBECOM, 2008)

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)

A limited feedback technique for beamspace MIMO systems with single RF front-end. - Vlasis Barousis; Athanasios G. Kanatas; Antonis Kalis; Constantinos B. Papadias (PIMRC, 2008)

On the Link Performance of a Proposed Compact Antenna System. - Robert Bains; Antonis Kalis; Ralf R. Müller (IEEE Commun. Lett., 2008)

A Novel Approach to MIMO Transmission Using a Single RF Front End. - Antonis Kalis; Athanasios G. Kanatas; Constantinos B. Papadias (IEEE J. Sel. Areas Commun., 2008)

SmartEN: A Marie Curie Research Framework for Wireless Sensor Networks in Smart Management of the Human Environment. - Toula Onoufriou; Anthony G. Constantinides; Anastasis Kounoudes; Antonis Kalis (SENSAPPEAL, 2009)

Closed-Loop Beamspace MIMO Systems with Low Hardware Complexity. - Vlasis Barousis; Athanasios G. Kanatas; Antonis Kalis; Constantinos B. Papadias (VTC Spring, 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)

Link Performance of an ESPAR-Antenna Array in Rich Scattering and Clustered Channels. - Robert Bains; Ralf R. Müller; Antonis Kalis (Wirel. Pers. Commun., 2009)

A Novel Real OSTBC via a Single Radio. - Osama N. Alrabadi; Nicola Marchetti; Antonis Kalis; Constantinos B. Papadias; Ramjee Prasad (ICC, 2010)

Pattern diversity for single RF user terminals in multiuser environments. - Vlasis Barousis; Athanasios G. Kanatas; Nikolaos D. Skentos; Antonis Kalis (IEEE Commun. Lett., 2010)

A co-operative beamforming solution for eliminating multi-hop communications in wireless sensor networks. - Antonis Kalis; Athanasios G. Kanatas; George P. Efthymoglou (IEEE J. Sel. Areas Commun., 2010)

Cooperative Beam Forming in Smart Dust: Getting Rid of Multihop Communications. - Antonis Kalis; Athanasios G. Kanatas (IEEE Pervasive Comput., 2010)

On the use of ultrasonic waves as a communications medium in biosensor networks. - Yiannis Davilis; Antonis Kalis; Antonis Ifantis (IEEE Trans. Inf. Technol. Biomed., 2010)

Single RF MIMO Systems: Exploiting the Capabilities of Parasitic Antennas. - Vlasis Barousis; Antonis Kalis; Athanasios G. Kanatas (VTC Fall, 2011)

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)

A single hop architecture exploiting cooperative beamforming for wireless sensor networks. - Athanasios G. Kanatas; Antonis Kalis; George P. Efthymoglou (Phys. Commun., 2011)

Beamspace-Domain Analysis of Single-RF Front-End MIMO Systems. - Vlasis Barousis; Athanasios G. Kanatas; Antonis Kalis (IEEE Trans. Veh. Technol., 2011)

Reconfigurable parasitic antennas for compact mobile terminals in multiuser wireless systems. - Vlasis Barousis; Athanasios G. Kanatas; Antonis Kalis; Julien Perruisseau-Carrier (EURASIP J. Wirel. Commun. Netw., 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)

Energy efficient MIMO transmission with high order modulations for wireless sensor network. - Bo Han; Antonis Kalis; Constantinos B. Papadias; Ramjee Prasad (EUSIPCO, 2013)

Bandwidth efficient localization for sustainable and safe building environments. - Antonis Kalis; Marios Milis; Anastasis Kounoudes; Anthony G. Constantinides (EUSIPCO, 2013)

MIMO over ESPAR with 16-QAM Modulation. - Bo Han; Vlasis Barousis; Constantinos B. Papadias; Antonis Kalis; Ramjee Prasad (IEEE Wirel. Commun. Lett., 2013)