Speedy derivative-corrective mass spring algorithm for adaptive impedance matching networks

Y. C. Wong*, T. Arslan, A. T. Erdogan, N. Haridas, A. O. El-Rayis

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Adaptive impedance matching algorithms are used to preserve the link quality of mobile phones, under fluctuating user conditions. It is highly desirable to reduce the search time for minimising the risk of data loss during the impedance tuning process. Presented is a novel technique to reduce the search time by more than an order of magnitude by exploiting the relationships among the mass spring's coefficient values derived from the matching network parameters, thereby significantly reducing the convergence time of the algorithm.
Original languageEnglish
Pages (from-to)653 - 655
Number of pages3
JournalElectronics Letters
Issue number11
Publication statusPublished - 2012


  • Impedance matching
  • mobile handsets
  • adaptive impedance matching networks
  • convergence time reduction
  • data loss risk
  • impedance tuning process
  • mass spring coefficient values
  • matching network parameters
  • mobile phone link quality
  • search time reduction
  • speedy derivative-corrective mass spring algorithm


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