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Method and apparatus for direction-of-arrival tracking and their application to beamforming at base-station
Method and apparatus for direction-of-arrival tracking and their application to beamforming at base-station
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机译:到达方向跟踪的方法和装置及其在基站波束形成中的应用
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摘要
A direction tracking method is proposed for quickly tracking directions-of-arrival of radio waves even in an environment where trajectories of the directions-of-arrival intersect. With the tracking method, the state vectors of directions-of-arrival (composed of a direction-of-arrival and the angular velocity and acceleration of the direction-of-arrival) at the current direction updating time are predicted with an observer by using state vectors of directions-of-arrival at the previous direction updating time to calculate provisional estimates of the directions-of-arrival, and furthermore, the state vectors at the current direction updating time are calculated based on the provisional estimates, the predicted state vectors, and predicted values of the directions-of-arrival to calculate estimates of the directions-of-arrival from the state vectors.
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