Search Results - "Dangakis, K."

Circular and Elliptical CPW-Fed Slot and Microstrip-Fed Antennas for Ultrawideband Applications by Angelopoulos, E. S., Anastopoulos, A. Z., Kaklamani, D. I., Alexandridis, A. A., Lazarakis, F., Dangakis, K.

“…This letter presents novel circular and elliptical coplanar waveguide (CPW)-fed slot and mictrostip-fed antenna designs targeting the 3.1-10.6 GHz band. The…”
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Zinc oxide-graphene based composite layers for electromagnetic interference shielding in the GHz frequency range by Drakakis, E., Suchea, M., Tudose, V., Kenanakis, G., Stratakis, D., Dangakis, K., Miaoudakis, A., Vernardou, D., Koudoumas, E.

“…We report on preliminary results regarding the applicability of nanostructured composite layers for electromagnetic interference shielding in the frequency…”
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Error performance of digital modulation schemes with MRC diversity reception over [eta]-[mu] fading channels by Peppas, K, Lazarakis, F, Alexandridis, A, Dangakis, K

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Error performance of digital modulation schemes with MRC diversity reception over η-μ fading channels by Peppas, K., Lazarakis, F., Alexandridis, A., Dangakis, K.

“…This paper provides exact-form expressions for the average symbol error probability (ASEP) of various digital modulation schemes with maximal ratio combining…”
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Normalization of propagation measurements with respect to terrain effect by Alexandridis, A. A., Lazarakis, F., Dangakis, K., Kostarakis, P., Kourtis, A.

“…In this paper, we introduce a method for the reliable modelling of propagation loss using measurements data. Using point to point effective height calculation,…”
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A method of accurate determination of azimuthal distribution of received RF power by Alexandridis, A. A., Dangakis, K., Kostarakis, P., Lazarakis, F.

“…In this paper, we introduce a method for the determination of directional distribution of received RF power, with angular resolution independent of receiving…”
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Statistical Analysis for On-Body Spatial Diversity Communications at 2.45 GHz by Michalopoulou, A., Alexandridis, A. A., Peppas, K., Zervos, T., Lazarakis, F., Dangakis, K., Kaklamani, D. I.

“…An investigation of the fading experienced by on-body diversity channels at 2.45 GHz is presented by focusing on the effects of the receive antennas position…”
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Feasibility of neural networks in modelling radio propagation for field strength prediction by Leros, A. P., Alexandridis, A. A., Dangakis, K., Kostarakis, P.

“…A typical back‐propagation neural network (BPN) model is developed for modelling radio propagation for field strength prediction based on data measurements of…”
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On-body channel modelling: Measurements and statistical analysis by Michalopoulou, A, Alexandridis, A A, Peppas, K, Zervos, T, Lazarakis, F, Dangakis, K, Kaklamani, D I

“…This paper investigates the propagation phenomena and the fading experienced by on-body channels at 2.45 GHz, focusing on the effect of the human body. This…”
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Error performance of digital modulation schemes with MRC diversity reception over IDT- mu fading channels by Peppas, K, Lazarakis, F, Alexandridis, A, Dangakis, K

“…This paper provides exact-form expressions for the average symbol error probability (ASEP) of various digital modulation schemes with maximal ratio combining…”
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Epoxy bonded ferrimagnetic compounds as patch antenna's substrate by Zervos, T, Alexandridis, A A, Lazarakis, F, Stamopoulos, D, Pissas, M, Dangakis, K

“…In this paper we investigate the use of an epoxy bonded ferrimagnetic compound, Yttrium Iron Garnet (YIG), as a substrate of a patch antenna operating in Ku…”
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Evaluation of a terrain-based point-to-point propagation model in the 900 MHz band by Lazarkis, F., Alexandris, A. A., Dangakis, K., Kostarakis, P., Tombras, G. S.

“…The accuracy of a semi‐empirical point‐to‐point propagation model, based on terrain data information close to the receiver, is tested. The evaluation is…”
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Impact of MIMO Techniques on the Interoperability between UMTS-HSDPA and WLAN Wireless Systems by Peppas, K., Lazarakis, F., Skianis, C., Alexandridis, A. A., Dangakis, K.

“…Next generation wireless communication networks integrate in a seamless manner existing technologies such as 3G wireless networks and WLANs in order to create…”
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Evaluation of radio propagation parameters for field strength prediction using neural networks by Leros, A.P., Alexandridis, A.A., Dangakis, K., Kostarakis, P.

“…Radio propagation models for field strength prediction are essential for designing and installing a mobile radio communications system. Typical backpropagation…”
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A point-to-point mobile radio prediction model based on effective height estimation for the region of Athens by Lazarakis, F., Dangakis, K., Alexandridis, A.A., Tombras, G.S.

“…An experimental point-to-point coverage prediction model based on field measurements taken in the region of Athens in the 900 MHz band is discussed. The…”
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Field measurements and coverage prediction model evaluation based on a geographical information system by Lazarakis, F., Dangakis, K., Alexandridis, A.A., Tombras, G.S.

“…Coverage prediction is essential for designing a mobile radio system operating in the 800/900 MHz band. A mobile radio field measurement and coverage…”
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Reconfigurable proximity coupled patch antenna using magnetic bias by Andreou, E., Zervos, T., Lazarakis, F., Alexandridis, A. A., Dangakis, K., Varouti, E., Fikioris, G., Vardaxoglou, J. C.

“…In this paper, we present the design, fabrication and characterization measurements of a proximity-coupled fed patch antenna that uses a ferrimagnetic…”
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The influence of the wearable antenna type on the on-body channel modeling at 2.45 GHz by Michalopoulou, A., Zervos, T., Peppas, K., Lazarakis, F., Alexandridis, A. A., Dangakis, K., Kaklamani, D. I.

“…This paper discusses the impact of the antenna type on the on-body channel modeling, based on a systematic measurement campaign at 2.45 GHz. Two different…”
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Reconfigurable planar directional antennas printed on ferrimagnetic substrates by Zervos, T., Alexandridis, A. A., Lazarakis, F., Dangakis, K., Kakoyiannis, C. G., Varouti, E., Vardaxoglou, J. C.

“…This paper presents two different printed directional antenna designs that use a ferrimagnetic compound (YIG) as part of their substrates. It investigates the…”
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Experimental verification of a dual band CP patch antenna using a biased YIG compound by Kampitaki, A., Zervos, T., Lazarakis, F., Alexandridis, A. A., Dangakis, K., Fikioris, G., Varouti, E., Stamopoulos, D., Vardaxoglou, J. C.

“…In this paper, we present a patch antenna design and fabrication that uses a ferrimagnetic compound, Yttrium Iron Garnet (YIG), as part of its substrate. It is…”
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