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AssigneeNippon Telegraph and Telephone Corporation
InventorsHideaki KINSHO, Kei TAKESHITA
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A tilt angle optimization apparatus configured to perform optimization of a tilt angle of each of antennas at each of base stations forming a cellular network is provided. The tilt angle optimization apparatus includes a processor; and a memory storing program instructions that cause the processor to: construct a performance model by modeling a relationship between the number of active users of each of the antennas and performance providable by each of the antennas; estimate a user distribution of active users around each of the base stations based on statistical data observed at each of the base stations; and obtain the tilt angle of each of the antennas based on the constructed performance model and the estimated user distribution in order to maximize area quality in a specified target area.
A tilt angle optimization apparatus configured to perform optimization of a tilt angle of each of antennas at each of base stations forming a cellular network, the tilt angle optimization apparatus comprising:
A tilt angle optimization method executed by a tilt angle optimization apparatus configured to perform optimization of a tilt angle of each of antennas at each of base stations forming a cellular network, the tilt angle optimization method comprising:
Dependencies are inferred from the claim text.