Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Nikos Athanasopoulos"'
Autor:
Ioannis Petropoulos, Konstantinos Voudouris, Raed A. Abd-Alhameed, Steve M. R. Jones, Nikos Athanasopoulos
Publikováno v:
International Journal of Antennas and Propagation, Vol 2011 (2011)
A relay station (RS) is a smart transceiver used under a 4G wireless network in order to extend network's coverage and capacity. It uses an antenna system that includes an antenna for connecting the relay with the end users (access link) and the RS w
Externí odkaz:
https://doaj.org/article/87594befb77c4daa8c5562f3ec94d658
Autor:
Diana J. Garay-Baquero, Flora Bacopoulou, Shaun Sabico, Nikos Athanasopoulos, Nasser M. Al-Daghri, Majed S. Alokail, Spiros D. Garbis, George P. Chrousos, Antigoni Manousopoulou, Efthymios Deligeoroglou, Amal Alenad, Jie Teng
Background: Polycystic ovary syndrome (PCOS) is a common endocrine disorder associated with insulin resistance, even in the absence of overweight/obesity. The aim of the present study is to examine the global serum proteomic profile of adolescent, no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea4e2d109132ed2ddb02f0df41b820ed
https://resolver.caltech.edu/CaltechAUTHORS:20190415-083927122
https://resolver.caltech.edu/CaltechAUTHORS:20190415-083927122
Autor:
Aimilia Mantzou, Spiros Vlahopoulos, Vasiliki Efthymiou, Leon Aravantinos, Efthymios Deligeoroglou, Nikos Athanasopoulos, Flora Bacopoulou
Publikováno v:
Clinical endocrinology. 88(4)
Objective To explore differences in irisin concentrations between lean adolescents with PCOS and age- and body mass index (BMI)-matched controls and examine the associations of irisin with core features of the syndrome. Design Cross-sectional study.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50dc915c9a18716b2baf352f96e7756c
https://pubmed.ncbi.nlm.nih.gov/29368340
https://pubmed.ncbi.nlm.nih.gov/29368340
Autor:
Nikolaos K. Uzunoglu, Rodoula Makri, G.E. Stratakos, Nikos Athanasopoulos, Konstantinos Mourtzoukos
Publikováno v:
IEEE Antennas and Propagation Magazine. 50:80-88
This research presents the development and testing procedures for an experimental phased-array cylindrical-antenna transmitting system, operating at 10 GHz. The antenna-element excitation phases are set at the intermediate-frequency stage, and are de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3f1d705784ce789f9778774bbc69084
https://doi.org/10.1109/map.2008.4768927
https://doi.org/10.1109/map.2008.4768927
Autor:
A. Meir, D. Manor, Iraklis Georgas, I. Petropoulos, Konstantinos Voudouris, Nikos Athanasopoulos, George Agapiou, Panagiotis Tsiakas
Publikováno v:
IEEE Microwave and Wireless Components Letters. 21:424-426
A 2 × 2 Switch Matrix operating at the 3.3-3.8 GHz frequency band is presented. The design is based on PIN diode switch elements. The achieved isolation is below 80 dB, while the insertion loss is less than 2 dB for the full frequency band. The prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a62df8eeba19ad8ab2e5a523dd986d98
https://doi.org/10.1109/lmwc.2011.2158532
https://doi.org/10.1109/lmwc.2011.2158532
Publikováno v:
2012 Loughborough Antennas & Propagation Conference (LAPC).
An integrated millimeter-wave passive front-end based on Substrate Integrated Waveguide (SIW) technology is presented in this research. It consists of a diplexer which acts as channel separator between transmit and receive chains and a common 8×8 SI
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0491b5f065b61696a0bfb93f0a002598
https://doi.org/10.1109/lapc.2012.6402998
https://doi.org/10.1109/lapc.2012.6402998
Autor:
Panagiotis Tsiakas, Nikos Athanasopoulos, Konstantinos Voudouris, Nikolaos Zotos, Iraklis Georgas, Charalampos Stergiopoulos
Publikováno v:
Quality of Service and Resource Allocation in WiMAX
It has become apparent in the recent years that in order for the next generation of wireless technology (whether this is WiMAX, LTE or any other 4G implementation) to be able to deliver ubiquitous broadband content, the network is required to provide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4ed7cee8ca37aacc0c1563ae1aeb956
https://doi.org/10.5772/27930
https://doi.org/10.5772/27930
Publikováno v:
2011 International Conference on Electromagnetics in Advanced Applications.
This research presents a 3.5 GHz frequency band phased array unit which is integrated in a prototype WiMAX Relay Station. It provides radiation patterns with steerable main lobes and side lobe levels suppression through the control of both amplitude
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e68c0017170fe90336c688efc654192a
https://doi.org/10.1109/iceaa.2011.6046334
https://doi.org/10.1109/iceaa.2011.6046334
Publikováno v:
2011 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications.
This research presents a 2×2 Switch Matrix based on PIN diode switching elements custom design. It operates at the 3.3–3.8 GHz frequency band and it is integrated in the RF Front End of a prototype WiMAX Relay Station. It provides low insertion lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::455008ff9898603198a668b0f1266e13
https://doi.org/10.1109/apwc.2011.6046746
https://doi.org/10.1109/apwc.2011.6046746
Publikováno v:
2011 International Conference on Electromagnetics in Advanced Applications.
5th order millimeter-wave bandpass filter design and modeling based on Substrate Integrated Waveguide (SIW) technology is presented in this research. Two 60 GHz bandpass filters are designed and been simulated providing 1.67% and 1.6% relative bandwi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a5b827f4f9b7555abd010ffd36f2364
https://doi.org/10.1109/iceaa.2011.6046335
https://doi.org/10.1109/iceaa.2011.6046335