An Energy-Efficient OOK Transceiver for Wireless Sensor Networks

Author

Daly, Denis C. ; Chandrakasan, Anantha P.

Author_Institution

MIT, Cambridge, MA

Volume

42

Issue

5

fYear

2007

fDate

5/1/2007 12:00:00 AM

Firstpage

1003

Lastpage

1011

Abstract

A 1-Mb/s 916.5-MHz on-off keying (OOK) transceiver for short-range wireless sensor networks has been designed in a 0.18-mum CMOS process. The receiver has an envelope detection based architecture with a highly scalable RF front-end. Untuned RF circuits are leveraged and optimized in the receiver to achieve superior energy efficiency compared to tuned RF circuits. The receiver power consumption scales from 0.5 mW to 2.6 mW, with an associated sensitivity of -37 dBm to -65 dBm at a BER of 10 ^-3. The transmitter consumes 3.8 mW to 9.1 mW with output power from -11.4 dBm to -2.2 dBm. The receiver achieves a startup time of 2.5 mus, allowing for efficient duty cycling

Keywords

CMOS integrated circuits; amplitude shift keying; radiofrequency integrated circuits; transceivers; wireless sensor networks; 0.18 micron; 0.5 to 2.6 mW; 1 Mbit/s; 2.5 mus; 3.8 to 9.1 mW; 916.5 MHz; CMOS process; energy-efficient OOK transceiver; envelope detection; highly scalable RF front-end; on-off keying transceiver; short-range wireless sensor networks; tuned RF circuits; untuned RF circuits; Bit error rate; CMOS process; Energy consumption; Energy efficiency; Envelope detectors; Radio frequency; Transceivers; Transmitters; Tuned circuits; Wireless sensor networks; Energy efficient; low power; sensor networks; transceivers;

fLanguage

English

Journal_Title

Solid-State Circuits, IEEE Journal of

Publisher

ieee

ISSN

0018-9200

Type

jour

DOI

10.1109/JSSC.2007.894323

Filename

4160068