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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...
The performance of wireless sensor nodes operating in the 2.40-2.48 GHz ISM frequency band is presented over each of the 16 different channels. It is shown that the response of individual carrier frequency depends on both the antenna and the overall system. On-body channel characterization is performed at various points on the human body torso in an anechoic chamber using a pair of wireless sensor...
A sensor node was designed and implemented in 0.18 μm CMOS process. The sensor node consists of a sensor interface circuit, an analog-to-digital converter (ADC), a digital signal processor (DSP) unit and a radio-frequency (RF) transmitter unit. The sensor node was designed for use in a wireless health monitoring system. Minimal off-chip components are allowed in this implementation for improved user...
The following topics are dealt with: wireless communication; wireless networking; mobile computing; MIMO; OFDM; cognitive radio; signal processing; B3G systems; 4G systems; RFID; sensor networks; antenna; ad hoc networks; mesh networks; network protocols; multimedia systems; security systems; coding; and modulation.
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