5.7 GHz on-chip antenna/RF CMOS transceiver for wireless sensor networks

被引:20
|
作者
Carmo, J. P.
Mendes, P. M.
Couto, C.
Correia, J. H.
机构
[1] Polytech Inst Braganca, ESTiG, P-5301857 Braganca, Portugal
[2] Univ Minho, Dept Ind Elect, P-4800058 Guimaraes, Portugal
关键词
wireless sensors networks; on-chip antenna; RF transceiver;
D O I
10.1016/j.sna.2006.06.001
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
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 mu m 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. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:47 / 51
页数:5
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