Abstract: A communication design support apparatus includes: a propagation model storage unit that stores a propagation model; an acquisition unit that acquires data in which structure data containing coordinate data is associated with data indicating propagation loss; and a selection unit that selects data indicating classification of a characteristic of a communication environment in a structure indicated by the structure data based on the acquired data.

Abstract: A communication control system includes: an acquisition unit configured to acquire information related to a wireless communication device and environment information that affects wireless communication quality; a prediction unit configured to predict future wireless communication quality based on the information related to the wireless communication device and the environment information; a control unit configured to control, based on the future wireless communication quality, a target device to achieve wireless communication quality responsive to a purpose of a user using wireless communication; and; and a cooperation unit configured to execute one or a combination of two or more of acquisition of information by the acquisition unit, prediction by the prediction unit, or control by the control unit.

Abstract: A communication design support apparatus includes: an acquisition unit that acquires point cloud data of a structure and measurement data of a radio field intensity; a structure data generation unit that generates structure data indicating a shape and material of the structure based on a result of object recognition of the point cloud data; a propagation loss calculation unit that calculates propagation loss based on the measurement data of the radio field intensity in an environment including the structure; and an output unit that outputs data in which the structure

Abstract: An information processing system includes: a first ray tracing unit configured to determine a two-dimensional ray trace from a transmission point at which a radio wave is transmitted, to a reception point at which the radio wave is received; a second ray tracing unit configured to determine a three-dimensional ray trace corresponding to the two-dimensional ray trace, using height information about the transmission point and the reception point; and a radio field intensity calculation unit that calculates the intensity of the radio wave at the reception point, using one or more three-dimensional ray traces determined by the second ray tracing unit.

Abstract: A communication design support apparatus includes: a propagation model storage unit that stores a propagation model; an acquisition unit that acquires data in which structure data containing coordinate data is associated with data indicating propagation loss; and a parameter update unit that updates a parameter of the propagation model based on the acquired data.

Abstract: A system according to an embodiment is connected via a network to a communication control system that controls wireless communication quality by acquisition of information, prediction of the wireless communication quality based on the information, and control of wireless equipment based on the prediction. The system is configured to change at least one of a position or an antenna direction of a movable base station, or at least one of a radio wave reflection direction or radio wave reflection power of a reflector in response to a control request from the communication control system.

Abstract: A communication control system includes an acquisition unit that acquires information regarding a wireless communication device and environment information that affects wireless communication quality; a prediction unit that predicts future wireless communication quality on the basis of the information regarding the wireless communication device and the environment information; a control unit that controls, on the basis of the future wireless communication quality, a target device to achieve wireless communication quality depending on a user's purpose, the user using wireless communication; and a cooperation unit that operates the acquisition unit, the prediction unit, and the control unit to operate a cycle including acquisition of information by the acquisition unit, prediction of the future wireless communication quality by the prediction unit, and control of the target device by the control unit.

Abstract: A communication design support apparatus includes: a propagation model storage unit configured to store a propagation model; a site survey unit configured to collect data obtained by measuring a structure; a data processing unit configured to update a parameter of the propagation model; and a radio field intensity estimation unit configured to estimate a radio field intensity in the structure by applying the propagation model having the parameter having been updated.

Abstract: A communication control system includes a plurality of physical servers. One or more physical servers from among the plurality of physical servers each include a memory; and a processor configured to execute one or more steps of: acquiring information regarding a wireless communication device and environment information that affects wireless communication quality; predicting future wireless communication quality on a basis of the information regarding the wireless communication device and the environment information; controlling, on a basis of the future wireless communication quality, a target device to achieve wireless communication quality depending on a user's purpose, the user using wireless communication; and executing a combination of at least one or more steps of the acquiring, the predicting, or the controlling in response to a request from another system connected via a network.

Abstract: An information processing system includes: an acquisition unit configured to divide a target area into a plurality of meshes of a predetermined size, and acquire mesh data indicating the environment of the target area with height information about the plurality of meshes on a per-mesh basis; a first ray tracing unit configured to determine a two-dimensional ray trace from a transmission point to a reception point on the basis of the mesh data, a radio wave being transmitted at the transmission point, the radio wave being received at the reception point; a second ray tracing unit configured to determine a three-dimensional ray trace corresponding to the two-dimensional ray trace, on the basis of the mesh data, and height information about the transmission point and the reception point; and a radio field intensity calculation unit configured to calculate an intensity of the radio wave at the reception point, using one or more three-dimensional ray traces determined by the second ray tracing unit.

Abstract: A communication design support apparatus includes: a propagation model storage unit that stores a propagation model; an acquisition unit that acquires point cloud data of a structure and measurement data of radio wave intensities in a plurality of frequency bands; a parameter update unit that updates a parameter of the propagation model based on the acquired data; and an estimation unit that estimates propagation loss based on the propagation model.

Abstract: A wireless communication system comprising a plurality of base station devices including a first base station device and a second base station device, wherein the first base station device connected with a terminal determines whether to continue connection with the terminal or not on a basis of a communication quality requirement of the terminal and a resource that can be provided to the terminal, and the first base station device transmits a control signal instructing connection with the second base station device to the terminal in a case where the first base station device determines not to continue the connection with the terminal.

Abstract: A base station allocation support apparatus includes a first calculation unit that calculates radio wave propagation attenuation values between a plurality of wireless terminals in a certain area based on position information of each of the plurality of wireless terminals and information indicating a layout of the area, a clustering unit that performs clustering on the plurality of wireless terminals based on the radio wave propagation attenuation values; and a determination unit that determines an arrangement position of a wireless base station with respect to the wireless terminals based on a result of the clustering.

Abstract: A connection destination switching control method executed by a communication apparatus, the connection destination switching control method comprising: a data acquisition step of acquiring observed values of received power of signals transmitted from a base station; a prediction processing step of predicting future received power by using the observed values acquired in the data acquisition step as input data into a prediction model; and a connection destination switching processing step of executing control for handover based on the future received power predicted in the prediction processing step.

Abstract: A control system includes a prediction unit configured to predict future wireless communication quality based on information related to a wireless communication device and environment information that affects the wireless communication quality, in a certain cycle, in which at least one of a target device or a target system is controlled based on the future wireless communication quality, and in which information obtained from at least one of the target device or the target system that is controlled is used for prediction of a next cycle by the prediction unit.

Abstract: A determination method of determining an installation position of a movable base station and a connection destination base station, executed by an information processing device including a memory and a processor, includes: determining a mesh in which the movable base station can be installed, and a base station to which the movable base station can be connected in the mesh, based on a reception strength of a radio signal from each of one or more base stations in each of one or more meshes.

Abstract: A radio signal strength information calculation method performed by a control apparatus includes: a generation step of calculating radio information regarding each of a plurality of meshes into which an area where base stations are placed is divided and generating mesh radio information; and a calculation step of placing a virtual base station at a position to where any of the base stations would be moved in the area, and calculating radio signal strength information between a plurality of base stations including the base stations and the virtual base station based on the mesh radio information.

Abstract: A method of determining a location at which a movable base station is to be installed is provided. In the method, an information processing device performs first determination processing of determining a base station providing radio communication that does not satisfy a predetermined condition based on information of a radio signal of each base station, second determination processing of determining a number of virtual terminals to be set in a coverage area of the base station providing the radio communication that does not satisfy the predetermined condition based on the information of the radio signal of the base station, and third determination processing of determining the location at which the movable base station is to be installed based on a location of each virtual terminal set in the coverage area of the base station providing the radio communication that does not satisfy the predetermined condition.