An Ultralow-Power Wake-Up Receiver Based on Direct Active RF Detection

Kuang Wei Cheng; Shih En Chen

doi:10.1109/TCSI.2017.2664919

An Ultralow-Power Wake-Up Receiver Based on Direct Active RF Detection

Kuang Wei Cheng, Shih En Chen

Institute of Computer and Communication Engineering

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

An ultralow-power direct active RF detection wake-up receiver (WuRx) is presented. In order to reduce the power consumption and system complexity, a differential RF envelope detector is implemented in a complementary current-reuse architecture. The detector sensitivity is enhanced through an embedded matching network with signal passive amplification. A prototype receiver is fabricated in 0.18-μm CMOS technology with a core size of 0.46 mm². At the operating frequency of 2.4 GHz, the receiver achieves a-50 dBm sensitivity [10^-3 bit error rate (BER)] at a data rate of 200 kbps while consuming 4.5 μW from a 0.8 V supply voltage. The WuRx is capable of achieving a 10^-3 BER for 200 kb/s data rate with a signal to interference ratio greater than-30 dB at ±10 MHz offset.

Original language	English
Article number	7870607
Pages (from-to)	1661-1672
Number of pages	12
Journal	IEEE Transactions on Circuits and Systems I: Regular Papers
Volume	64
Issue number	7
DOIs	https://doi.org/10.1109/TCSI.2017.2664919
Publication status	Published - 2017 Jul

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1109/TCSI.2017.2664919

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title = "An Ultralow-Power Wake-Up Receiver Based on Direct Active RF Detection",

abstract = "An ultralow-power direct active RF detection wake-up receiver (WuRx) is presented. In order to reduce the power consumption and system complexity, a differential RF envelope detector is implemented in a complementary current-reuse architecture. The detector sensitivity is enhanced through an embedded matching network with signal passive amplification. A prototype receiver is fabricated in 0.18-μm CMOS technology with a core size of 0.46 mm2. At the operating frequency of 2.4 GHz, the receiver achieves a-50 dBm sensitivity [10-3 bit error rate (BER)] at a data rate of 200 kbps while consuming 4.5 μW from a 0.8 V supply voltage. The WuRx is capable of achieving a 10-3 BER for 200 kb/s data rate with a signal to interference ratio greater than-30 dB at ±10 MHz offset.",

author = "Cheng, {Kuang Wei} and Chen, {Shih En}",

note = "Funding Information: This work was supported by the Ministry of Science and Technology, Taiwan. Publisher Copyright: {\textcopyright} 2017 IEEE.",

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An Ultralow-Power Wake-Up Receiver Based on Direct Active RF Detection

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