2 GHz outdoor to indoor propagation at high elevation angles for mobile communications served by high altitude platform stations. - Dimitrios I. Axiotis; Michael E. Theologou (GLOBECOM, 2002)

4G system level simulation parameters for evaluating the interoperability of MTMR in UMTS and HIPERLAN/2. - Dimitrios I. Axiotis; Fotis I. Lazarakis; C. Vlahodimitropoulos; A. Chatzikonstantinou (MWCN, 2002)

2 GHz outdoor to indoor propagation at high elevation angles. - Dimitrios I. Axiotis; Michalis E. Theologou (PIMRC, 2002)

On the effects of platform positional instability on a UMTS system served by HAPS. - Dimitrios I. Axiotis; Michalis E. Theologou (PIMRC, 2003)

System level evaluation of reconfigurable MIMO techniques enhancements for HSDPA. - Kostas Peppas 001; Tareq Al-Gizawi; Fotis I. Lazarakis; Dimitrios I. Axiotis; A. Moussa; Angeliki Alexiou (GLOBECOM, 2004)

Satellite radio interface and radio resource management strategy for the delivery of multicast/broadcast services via an integrated satellite-terrestrial system. - Merkourios Karaliopoulos; Kanagasabapathy Narenthiran; Barry G. Evans; Pierre Henrio; Michel Mazzella; Wouter De Win; Michael Dieudonne; Panos Philippopoulos; Dimitrios I. Axiotis; Ilias Andrikopoulos; Ioannis Mertzanis; Giovanni Emanuele Corazza; et al. (IEEE Commun. Mag., 2004)

The effect of platform instability on the system level performance of HAPS UMTS. - Dimitrios I. Axiotis; Michael E. Theologou; Efstathios D. Sykas (IEEE Commun. Lett., 2004)

S-UMTS access network for broadcast and multicast service delivery: the SATIN approach. - Kanagasabapathy Narenthiran; Merkourios Karaliopoulos; Barry G. Evans; Wouter De Win; Michael Dieudonne; Pierre Henrio; Michel Mazzella; E. Angelou; Ilias Andrikopoulos; Panos Philippopoulos; Dimitrios I. Axiotis; Nikos Dimitriou; et al. (Int. J. Satell. Commun. Netw., 2004)

Services in interworking 3G and WLAN environments. - Dimitrios I. Axiotis; Tareq Al-Gizawi; Kostas Peppas 001; Emmanuel N. Protonotarios; Fotis I. Lazarakis; Constantinos B. Papadias; Panos Philippopoulos (IEEE Wirel. Commun., 2004)

Performance Evaluation at the System Level of Reconfigurable Space-Time Coding Techniques for HSDPA. - Kostas Peppas 001; Angeliki Alexiou; Fotis I. Lazarakis; Tareq Al-Gizawi; Dimitrios I. Axiotis (EURASIP J. Adv. Signal Process., 2005)

Interoperability criteria, mechanisms, and evaluation of system performance for transparently interoperating WLAN and UMTS-HSDPA networks. - Tareq Al-Gizawi; Kostas Peppas 001; Dimitrios I. Axiotis; Emmanuel N. Protonotarios; Fotis I. Lazarakis (IEEE Netw., 2005)

An Interoperability Mechanism for Seamless Interworking between WLAN and UMTS-HSDPA Networks. - Kostas Peppas 001; Fotis I. Lazarakis; Antonis Alexandridis 001; Kostas Dangakis; Dimitrios I. Axiotis (GLOBECOM, 2006)

Performance Evaluation of Packet Data Transmission Over Terrestrial Trunked Radio. - Apostolis K. Salkintzis; Dimitrios I. Axiotis (GLOBECOM, 2007)

Packet Data Transmission in Tetra: The Impact of Voice Talkgroups. - Dimitrios I. Axiotis; Apostolis K. Salkintzis; I. Gkika (PIMRC, 2007)

On the Effects of Short Data Service-Transport Layer Message Length in QoS Metrics of Tetra Networks. - Dimitrios I. Axiotis; Dimitrios Xenikos (PIMRC, 2007)

The Development of Service Enablers in B3G Environments. - Michael Masikos; Dimitris Nikitopoulos; Dimitrios I. Axiotis; Michael E. Theologou; Christos Desiniotis (PIMRC, 2007)

UDP Performance Measurements Over TETRA IP. - Dimitrios I. Axiotis; Dimitrios Xenikos (VTC Spring, 2007)

Network-Based Access Selection in Composite Radio Environments. - George Koundourakis; Dimitrios I. Axiotis; Michalis E. Theologou (WCNC, 2007)

On the Performance of TETRA Short Data Service-Transport Layer. - Dimitrios I. Axiotis; Dimitrios Xenikos (Wirel. Pers. Commun., 2007)

A network-centric approach for access and interface selection in heterogeneous wireless environments. - George Koundourakis; Dimitrios I. Axiotis; Michael Argyropoulos; Michael E. Theologou (Int. J. Commun. Syst., 2008)

Impact of Voice Traffic on the Performance of Packet Data Transmission in TETRA Networks. - Dimitrios I. Axiotis; Apostolis K. Salkintzis (IEEE Trans. Veh. Technol., 2008)

IP Transmission over TETRA Packet Data Service: Simulation and Measurement Results. - Dimitrios I. Axiotis; Apostolis K. Salkintzis; Dimitrios Xenikos (Wirel. Pers. Commun., 2008)

System level performance evaluation of MIMO and SISO OFDM-based WLANs. - Kostas Peppas 001; Fotis I. Lazarakis; Dimitrios I. Axiotis; Tareq Al-Gizawi; Antonis Alexandridis 001 (Wirel. Networks, 2009)

Packet data messaging over TETRA: network performance analysis. - Dimitrios I. Axiotis; Apostolis K. Salkintzis (Wirel. Networks, 2010)