Now showing items 1-10 of 58
Dynamic Characterization of Optically Controlled Semiconductor Devices
Optical control of semiconductor devices is a new area, which can be used in several applications. The dynamic behavior of these devices is a crucial problem. Reliable method for its characterization is highly needed. The ...
Access Transmission Network Upgrade in a Nationwide Mobile Network Modernization Project for EDGE Deployment
In this paper details of a nationwide fixed access transmission network upgrade is presented with special focus on GSM network modernization for EDGE (Enhanced Data rates for GSM Evolution) deployment.
Recent Trends in Reliable Access Networking for GSM Systems
Access networks for base stations in GSM systems are mainly based on microwave, millimeter-wave (MW/MMW) and fiber-optical technologies. This paper presents the recent trends of MW/MMW radio relay access networking with ...
Wideband Distributed Amplifier Using Encapsulated HEMTs
A two stage microwave hybrid integrated distributed amplifier with a gain of 7 ± 1 dB and a noise figure better than 5.2 dB in the 0.2–11 GHz band and better than 3 dB in the 7.5–11 GHz subband is reported. The amplifier ...
Application of 58 GHz Band for GSM Access Networks in Hungary
GSM access networks are mainly based on microwave (μW), millimeter-wave (mmW) and fiberoptical links. This paper presents the actual trends of radio relay access networking with special focus on a newly opened 58 GHz ...
Dynamic Characterization of Optical-Microwave Transducers
Optical-microwave transducers based on FET devices are investigated to determine their dynamic characteristics. It is observed that the result of the well known frequency response method differs from that of a combined ...
Microwave Characterization of High-Speed pin Photodiodes
Optical responsivity and electrical reflection of an ultra high-speed pin photodiode (PD) are measured in 20 GHz frequency range. The effect of PD bias voltage variation was investigated at different incident optical power ...
Interference Sensitivity of Digital Receivers in Fiber-Radio Distribution Networks
Fiber-radio distribution networks have been investigated by several authors recently. In such networks wideband access of several subscribers is provided with the advantage of easy installation and reduced maintenance costs ...
Numerical Model of Chromatic Dispersion Effects in Analogue IM/DD Optical Links
Transmission of microwave (uW) and millimeter-wave (mmW) carriers optically at 1.55 um wavelength has become an important task recently. A main field of potential applications is the optical transmission and wireless ...