A self-calibrating SDR with coupled reference transmitter compensates for phase, timing, and gain mismatches to achieve high-fidelity null forming in antenna arrays, validated via simulation and 3-3.5 GHz measurements.
Pi-Radio v1: Calibration techniques to enable fully-digital beamforming at 60 GHz
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A Self-Calibrating SDR for High Fidelity Beam- and Null-forming Arrays
A self-calibrating SDR with coupled reference transmitter compensates for phase, timing, and gain mismatches to achieve high-fidelity null forming in antenna arrays, validated via simulation and 3-3.5 GHz measurements.