Authors: Shreine Abd El-Rahman, Ahmed Attiya, Hossam El-Deen Mamoud, Hala Abd-El Kader ABSTRACT Passive RFID tags based on narrow band absorbers are proposed for railway applications. The tags consist of absorbing tiles of size 30 × 30 cm2. The de-signs … Continue reading
Authors: Prasanna Paga, H. C. Nagaraj, T. S. Rukmini ABSTRACT Nowadays, wireless systems require compact multi band antennas that can dynamically change some of its fundamental parameters such as frequency band, polarization and radiation pattern. The novelty of the proposed … Continue reading
Author：Yoshiro Fujii ABSTRACT Cell phone and personal computer use has increased considerably in recent years, particularly in developed countries. These devices have facilitated communication on a global scale. However, there have been a number of reports of health problems related … Continue reading