A unified sensing-assisted framework reduces CSI acquisition overhead in flexible-antenna systems to a two-stage process of DOA sensing from uplink data followed by minimal pilot calibration of path gains, using SOC-Newton-MUSIC for LOS and FOC-Newton-MUSIC for NLOS environments.
Under-determined DOA estimation: A method based on higher-order statistics and non- uniform arrays
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Sensing-Assisted Channel Estimation for Flexible-Antenna Systems: A Unified Framework
A unified sensing-assisted framework reduces CSI acquisition overhead in flexible-antenna systems to a two-stage process of DOA sensing from uplink data followed by minimal pilot calibration of path gains, using SOC-Newton-MUSIC for LOS and FOC-Newton-MUSIC for NLOS environments.