A closed-loop estimator for rotatable-antenna systems, alternating MUSIC/LS estimation with gradient-ascent antenna reorientation, achieves lower NMSE than fixed, random, or isotropic antennas in LoS simulations.
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Efficient Channel Estimation for Rotatable Antenna-Enabled Wireless Communication
A closed-loop estimator for rotatable-antenna systems, alternating MUSIC/LS estimation with gradient-ascent antenna reorientation, achieves lower NMSE than fixed, random, or isotropic antennas in LoS simulations.