An integrated active reflector for phase-sweep cooperative diversity

  • Authors:

  • Jean-François Bousquet;Sebastian C. Magierowski;Geoffrey G. Messier

  • Affiliations:

  • Department of Electrical and Computer Engineering, Schulich School of Engineering, University of Calgary, Calgary, Canada;Department of Electrical and Computer Engineering, Schulich School of Engineering, University of Calgary, Calgary, Canada;Department of Electrical and Computer Engineering, Schulich School of Engineering, University of Calgary, Calgary, Canada

  • Venue:
  • IEEE Transactions on Circuits and Systems II: Express Briefs
  • Year:
  • 2009

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Abstract

In this brief, we present the design of a fully integrated all-analog wireless reflector/repeater that acts as the relay in a phase-sweeping cooperative diversity scheme. This approach multiplies the coverage of an indoor wireless sensor network by four. Using 0.13-µm CMOS and Vdd = 1 V, the active reflector provides 45-dB gain and satisfies network specifications for a dc power of as low as 0.66 mW.