Transmitter and Receiver Mismatch Measurement for MIMO RF Antennas via Simple Power Monitors

January 1, 2026IEEE AccessOpen Access

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Key Points

The aim is to develop a new technique for measuring transmitter and receiver mismatches in MIMO RF antennas, allowing for accurate in-field calibration.
Proposed a novel method using RF power detectors to measure mismatches on-chip or on-board.
Leveraged mutual coupling between transmitter and receiver antennas for calibration without external references.
Conducted extensive simulations and experimental measurements across various platforms.
Validated the proposed method through simulations and experiments, showing significant improvements in estimation accuracy.
Demonstrated that the method effectively replaces conventional external calibration setups.
Confirmed enhanced performance in practical, autonomous deployments with reduced reliance on specialized equipment.

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Demonstrates improved accuracy in MIMO RF antenna calibration, highlighting practical field deployment benefits.

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Ataman et al. (2026) studied this question.

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