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Marian Wnuk
An important element of modern telecommunications is wireless radio networks, which enable mobile subscribers to access wireless networks. The cell area is divided into independent sectors served by directional antennas. As the number of mobile network s...
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Koki Hamajima, Kei Yasukawa, Masazumi Ueba, Hisayoshi Kanou, Munehiro Matsui, Junichi Abe, Kiyohiko Itokawa and Fumihiro Yamashita
Among several usages of unmanned aerial vehicles (UAV), wireless relay systems for high altitudes using fixed-wing UAVs, or high-altitude platform stations (HAPS), are some of the most promising applications. To realize the systems by making the most of ...
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Yangyang Zhang, Huijie Liu and Xingfu Liu
This work investigates the effects of the surface errors of the satellite antenna on the detection performance of the space VLBI system. First, the relationship between the surface errors and the antenna gain loss is analyzed, and then the influence of t...
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Vitalii Beschastnyi, Daria Ostrikova, Roman Konyukhov, Elizaveta Golos, Alexander Chursin, Dmitri Moltchanov and Yuliya Gaidamaka
The 5G New Radio (NR) technology operating in millimeter wave (mmWave) frequency band is designed for support bandwidth-greedy applications requiring extraordinary rates at the access interface. However, the use of directional antenna radiation patterns,...
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Ersin Ozdemir, Oguzhan Akgol, Fatih Ozkan Alkurt, Muharrem Karaaslan, Yadgar I. Abdulkarim and Lianwen Deng
In this manuscript, a resonator layer is presented for the purpose of reducing the mutual coupling effect between each antenna element of a cross dipole antenna. In design processes, an artificial neural network approach was used for various resonator de...
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D. Wójcik
Pág. 23 - 26
The rapid diffusion of wireless telecommunications has focused attention on potential risks for human health due to the exposure to electromagnetic (EM) fields. In context of cellular telephony the problem should be considered in two different aspects: p...
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Degli-Esposti, V. Riva, G. Binucci, N.
Pág. 1686 - 1688
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Kuehner, R; Todd, T D; Shad, F; Kezys, V
Pág. 1024 - 1038
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Mitola III, Joseph; Zvonar, Zoran; Pérez-Neira, Ana; Mestre, Xavier; Ro
Pág. 166 - 173
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Kitayama K.-I. Stohr A. Kuri T. Heinzelmann R. Jager D. Takahashi Y.
Pág. 2588 - 2595
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