A 2.5 μWatts Two Stage Wake-up Receiver for Wireless Sensor Networks

被引：0
|
作者：
Shabayek, Salma [1 ]
Medra, Alaa [1 ]
Guindi, Rafik [1 ]
机构：
[1] Nile Univ, Cairo, Egypt
来源：
2013 25TH INTERNATIONAL CONFERENCE ON MICROELECTRONICS (ICM) | 2013年
关键词：
D O I：
暂无
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：
An ultra low power wake-up receiver for Wireless Sensor Network (WSN) applications is presented. The proposed wake-up receiver is composed of two stages. The first stage is a low-power low-sensitivity stage that acts as a 'sentinel' and continuously monitors the channel, while the second stage is a conventional low-power wake-up receiver. The 2.44GHz two-stage receiver has a sensitivity of -72dBm when the transmitted signal power is OdBm. The power consumed during sleep mode is 2.5 mu Watts and 41 mu Watts in the wake-up receiver active mode with a 0.5V supply voltage. The power consumption is nearly one order-of-magnitude below previously published wake-up receiver designs for WSNs.
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页数：4
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