Binary search algorithm for adaptive impedance matching network

A novel design strategy for adaptive impedance matching network which consists of two tunable components is presented. The input resistance is controlled by the first tunable component and independent of the second tunable component. Additionally, the proposed strategies ensure that the input resist...

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Bibliographic Details
Published in:Electronics letters 2016-04, Vol.52 (9), p.714-716
Main Authors: Xiong, B, Hofmann, K
Format: Article
Language:English
Subjects:
adaptive impedance matching network
antenna accessories
antenna impedance variation
binary search algorithm
Calibration
Convergence
convergence speed improvement
Electronics
Impedance matching
Information and communications
input resistance
Networks
Reactance
Search algorithms
search problems
Strategy
tunable components
tunable matching network calibration
tuning
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Summary:A novel design strategy for adaptive impedance matching network which consists of two tunable components is presented. The input resistance is controlled by the first tunable component and independent of the second tunable component. Additionally, the proposed strategies ensure that the input resistance is proportional to the first tunable component and input reactance is proportional to the second tunable component. Therefore, the binary search algorithm is employed to calibrate the tunable matching network. In contrast to the single-step method, the convergence speed is improved from O(N) to O(log N).
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2015.3830