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This paper describes the development of indoor monitoring system based on UHF RFID system and raspberry Pi 3. An algorithm is developed to link the UHF RFID reader module to the Raspberry Pi 3, send the data received to a database via wireless network, and display the data on a user interface module. To determine the best RFID tag for the system, the performance of two UHF RFID tags, UPM DogBone and...
This paper presented a textile sheet-like waveguide that incorporates Artificial Magnetic Conductor (AMC) structures. The aim is to investigate the possibility of a textile conformal waveguide in improving transmission between antennas when placed beneath them. Investigations were carried for small and belly size AMC waveguide sheets made of denim fabric. Both of the waveguide sheets exhibit promising...
An ultra wideband printed monopole antenna with dual band circular polarization for wireless application is presented. The antenna dimensions are 30 × 30 × 1.6 mm3. The proposed antenna is able to cover frequency range between 2.65 GHz and 11 GHz with impedance bandwidth is around 122%. With the use of I-shape slit in the radiation element and the T-slot in the ground plane, the ultra wideband and...
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