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Title: 5.7 GHz on-chip antenna/RF CMOS transceiver for wireless sensor networkS
Authors: Carmo, João
Mendes, P.M.
Couto, Carlos
Correia, J.H.
Keywords: Wireless sensors networks
On-chip antenna
RF transceiver
Issue Date: 2006
Publisher: Elsevier Science
Citation: Sensors and Actuators A. ISSN 0924-4247. 132:1 p. 47-51
Abstract: This paper describes a chip-size antenna for operation at 5.7 GHz, assembled with a low-power, low-voltage RF CMOS transceiver, fabricated in UMC RF CMOS 0.18 μm process. Measurements shown a patch antenna with the central frequency of 5.705 GHz, a bandwidth of 90 MHz at −10 dB of return loss, a directive gain of 0.3 dB, with an efficiency of 18%, and a transceiver with a measured total power consumption of 23 mW. This microsystem is intended for the use in each wireless node of a wireless sensor network mounted in a wireless electronic shirt, that monitors the cardio-respiratory function and posture.
ISSN: 0924-4247
Appears in Collections:DE - Artigos em Revistas Indexados ao ISI/Scopus

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