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Hardware-Efficient Beamspace Direction-of-Arrival Estimator for Unequal-Sized Subarrays

Ziyu Guo, Weizhen Wang,Xiaodong Wang,Xiaoyang Zeng

IEEE Transactions on Circuits and Systems II: Express Briefs（2022）

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Abstract
Hybrid antenna array consisting of analog subarrays has been widely used for beamforming in millimeter-wave communication systems. Due to the hybrid structure, direction-of-arrival (DoA) estimation, which is essential to beam adjustment, has to be performed at the beamspace. In our previous work, unequal-sized subarrays has been proposed for beamspace DoA estimation because it can resolve the ambi...
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Key words
Direction-of-arrival estimation,Estimation,Hardware,Antenna arrays,Antennas,Array signal processing,Radio frequency
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