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Radio Frequency Identification (RFID) is one of the developed technologies, which is used in several applications, including for medical field applications. For patient monitoring purpose, the RFID system is consisted of a medical tag that is implanted into the human body and a reader unit that is installed away from the human either in proximity or far away from the human body. By this communication...
A compact slot ring triangular patch antenna with stub has been designed for MIMO 2×2 wireless broadband application. This compact antenna consists of only one layer substrate; however has broadband characteristic due to the slot ring inserted to the triangular patch antenna. The MIMO 2×2 elements achieved mutual coupling suppression to lower than 25 dB by placing the single element perpendicular...
This paper present a circularly polarized microstrip antenna array for Unmanned Aerial Vehicle (UAV). The antenna element is designed using conventional rectangular microstrip antenna which is electromagnetically coupled fed by a microstrip line. The 1×4 element microstrip antenna array is then assembled on the surface of UAV cylindrical fuselage. The measurement result showed for 1x4 element antenna...
Nowadays, implanted medical devices that are using inductive coupling for communication, cannot be used for transmitting medical data in several meters range. This triggers us to study about implantable device systems in order for communications is enabled to be longer range by transmitting wirelessly electromagnetic signal. In this system, the external devices such as home monitoring device or portable...
In the early stage of development, implanted medical devices, which use inductive coupling for communication, could only transmit their data within a few centimeters range [1],[2]. In the recent years, telecommunications has brought implantable device systems are required to enable longer bidirectional communication between the implanted device and an external device [1],[3]. The external devices...
Design of antenna for cognitive radio application is proposed in this paper. The design consists of two printed monopole antenna printed over FR4 substrate, sharing a common partial ground. The first antenna is the sensing antenna for spectrum sensing, having wideband characteristic and omnidirectional radiation pattern. The second one is the communicating antenna which is a frequency reconfigurable...
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