Communication design support apparatus, communication design support method and program
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.
1 . A communication design support apparatus comprising:
a memory; and
a processor coupled to the memory and configured to:
store a propagation model in the memory;
acquire data in which structure data containing coordinate data comprises three-dimensional computer-aided design (CAD) data including geometric and spatial arrangement information of building structures associated with the coordinate data, and is associated with data indicating propagation loss;
update a parameter of the propagation model by tuning at least one parameter of the propagation model associated with the propagation loss based on a correlation between the acquired structure data including the coordinate data and the propagation loss measured at positions corresponding to the coordinate data; and
calculate an electric field intensity by applying the propagation model and update the parameter to a parameter that minimizes the propagation loss based on the calculated electric field intensity.
2 . The communication design support apparatus according to claim 1 , wherein
the propagation model is a ray tracing model, and
the processor is configured to calculate the electric field intensity for each set of relative coordinates by ray tracing.
3 . The communication design support apparatus according to claim 1 , wherein
the propagation model is a statistical model, and
the processor is configured to calculate the electric field intensity for each set of relative coordinates according to a transmission-reception distance.
4 . The communication design support apparatus according to claim 1 , wherein the processor is configured to select an environment label based on the acquired structure data and the propagation loss using a classification model that has been trained in advance by machine learning, and to optimize the propagation model based on the selected environment label.
5 . A communication design support method performed by a computer storing a propagation model, the method comprising:
acquiring data in which structure data containing coordinate data comprises three-dimensional computer-aided design (CAD) data including geometric and spatial arrangement information of building structures associated with the coordinate data, and is associated with data indicating propagation loss;
updating a parameter of the propagation model by tuning at least one parameter of the propagation model associated with the propagation loss based on a correlation between the acquired structure data including the coordinate data and the propagation loss measured at positions corresponding to the coordinate data; and
calculating an electric field intensity by applying the propagation model and updating the parameter to a parameter that minimizes the propagation loss based on the calculated electric field intensity.
6 . A non-transitory computer readable recording medium having a program embodied therein for causing a computer to perform the communication design support method of claim 5 .