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Explore channel leakage cancellation techniques for Software Defined Radio (SDR) narrowband radar interferometry using GNU Radio in this conference talk from GNU Radio Conference 2021. Delve into the challenges of transmit-to-receive path leakage in integrated SDR modules and learn about innovative software solutions for improving distance sensing accuracy. Discover how GNU Radio can be utilized both as a simulator and an operational tool for leakage cancellation in radar applications. Gain insights into a new interferometry radar solution that enables short-range distance sensing with bandwidth-limited SDRs, opening doors to various applications while overcoming challenges associated with traditional ultrawide band radars. Follow the presentation's journey from system setup and GNU Radio code implementation to radar accuracy algorithms, simulations, and real-world testing results, including velocity sensing capabilities.
