A joint autocorrelation and cross-correlation scheme that first estimates wavefront curvature and then angle, enabling lower-complexity near-field channel and position estimation for XL-MIMO.
Power scaling laws an d near-field behaviors of massive MIMO and intelligent reflecting surfac es,
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Low Time Complexity Near-Field Channel and Position Estimations
A joint autocorrelation and cross-correlation scheme that first estimates wavefront curvature and then angle, enabling lower-complexity near-field channel and position estimation for XL-MIMO.