Abstract: This paper presents and researches the application of miniaturized hexagonal resonators in microstrip bandpass filters in the mobile communication systems. There are investigated both basic topologies of miniaturized ...
Abstract: This paper presents and researches the application of miniaturized hexagonal resonators in microstrip bandpass filters in the mobile communication systems. There are investigated both basic topologies of miniaturized ...
In this paper the precision of variety direction of arrival (DOA) algorithms used in cognitive radio systems are investigated. The researched algorithms are MUSIC, Capon (MVDR), ROOT MUSIC, ESPRIT-LS and ESPRIT-TLS. The goal ...
The paper proposes the application of the miniaturized hexagonal resonators in the microstrip filter design and their applicability in mobile communication systems. The main coupling topologies are researched and the coupling ...