Dynamic measurement of complex impedance in real-time for smart handset applications

2012 
The evolution of the mobile handset in support of 4G technology requirements continues to introduce significant challenges. Tunable systems promise improvements in performance and flexibility with the potential to relax limitations currently imposed on traditional RF components. This paper introduces techniques based on tuneablity enabling the handset knowledge in real-time of the complex impedance at any stage of its RF front-end. The method is presented through simulations and measurements.
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