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
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;
Conference_Titel :
Radio Frequency Integrated Circuits Symposium (RFIC), 2010 IEEE
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4244-6240-7
DOI :
10.1109/RFIC.2010.5477396
