Fast dichotomic supervised I/Q imbalance compensation algorithm | Zendy

Pons J.F. | Zendy; Dehaese N. | Zendy; Bourdel S. | Zendy; Gaubert J. | Zendy; Paille B. | Zendy

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Fast dichotomic supervised I/Q imbalance compensation algorithm

Author(s) -

Pons J.F.,

Dehaese N.,

Bourdel S.,

Gaubert J.,

Paille B.

Publication year - 2015

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2015.1555

Subject(s) - computer science , compensation (psychology) , algorithm , psychology , psychoanalysis

A fast I/Q imbalance compensation algorithm is presented. It is demonstrated through MATLAB simulations that with a few samples an image‐to‐signal ratio (ISR) lower than −25 dB was achieved. On the basis of digital processing of the received signal, this algorithm is compliant with low‐cost and low‐complexity wireless receivers because it does not require extra time and resources for calibration. Moreover, its fast convergence allows reaching a high enough image rejection ratio by adapting the compensation weight during the reception of a known preamble such as defined by the IEEE 802.15.4 or the Bluetooth low energy standards.

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