Wideband Full-Duplex MIMO: A 5*5 Example Across 12.5-13.0 GHz with Baseband 100 MHz
Yinyi Zhao,
Udara De Silva,
Satheesh Bojja Venkatakrishnan
et al.
Abstract:Full-duplex wideband wireless radios with MIMO is a challenging open problem in communications. The adoption of a pair of arrays for physical symmetry-based passive cancellation of self-interference between antenna elements is demonstrated in the FR3 band. Up to 12 dB of additional self-interference cancellation (SIC) is observed. Further, machine learning-based DSP is used to mimic the nonidealities of each power amplifier in the MIMO system, thereby allowing additional 22 dB of digital SIC. A linear FIR MIMO… Show more
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