DocumentCode
2539758
Title
A 0.13-µm CMOS wireless reflector for phase sweep cooperative diversity
Author
Bousquet, Jean-François ; Magierowski, Sebastian ; Messier, Geoffrey ; Zhao, Zhixing
Author_Institution
Dept. of Electr. & Comput. Eng., Univ. of Calgary, Calgary, AB, Canada
fYear
2010
fDate
23-25 May 2010
Firstpage
501
Lastpage
504
Abstract
A 4-GHz 1.2-V all-analog wireless reflector acting as a cooperative diversity repeater is built in 0.13-μm CMOS technology. Interfaced with a dipole antenna, the circuit achieves 22.3-dB gain for a low power consumption equal to 120 μW. By applying slow phase sweeping at the reflector node, diversity gain is achieved and the coverage area of an indoor wireless network is increased by a factor of 2.5.
Keywords
CMOS analogue integrated circuits; dipole antennas; radio networks; reflector antennas; CMOS wireless reflector; all-analog wireless reflector; cooperative diversity repeater; dipole antenna; frequency 4 GHz; gain 22.3 dB; phase sweep cooperative diversity; power 120 muW; size 0.13 mum; voltage 1.2 V; CMOS technology; Circuits; Energy consumption; Frequency; Microwave amplifiers; Phase modulation; Reflection; Reflector antennas; Repeaters; Wireless sensor networks; active reflector; cooperative diversity; negative resistance amplifier;
fLanguage
English
Publisher
ieee
Conference_Titel
Radio Frequency Integrated Circuits Symposium (RFIC), 2010 IEEE
Conference_Location
Anaheim, CA
ISSN
1529-2517
Print_ISBN
978-1-4244-6240-7
Type
conf
DOI
10.1109/RFIC.2010.5477396
Filename
5477396
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