Information processing device, information processing system, data generation method, and non-transitory computer readable medium
An example object of the present disclosure is to provide an information processing device that is capable of generating a received power distribution around a shield or an obstacle. The information processing device according to the present disclosure includes a detection unit configured to detect presence of an obstacle by using a measurement value of received power measured by a measurement device that receives a wireless radio wave, an estimation unit configured to estimate a change in received power in a predetermined area before detecting presence of the obstacle and after detecting presence of the obstacle, and an updating unit configured to update a first received power distribution in the predetermined area being stored in a storage device, which is generated based on the measurement value before detecting presence of the obstacle, by using the change in received power.
1. An information processing device comprising:
at least one memory storing instructions, and
at least one processor configured to execute the instructions to;
detect presence of an obstacle by using a measurement value of received power measured by a measurement device that receives a wireless radio wave;
estimate a change in received power in a predetermined area before detecting presence of the obstacle and after detecting presence of the obstacle; and
update a first received power distribution in the predetermined area, the first received power distribution being stored in a storage device and being generated based on the measurement value before detecting presence of the obstacle, by using the change in received power.
2. The information processing device according to claim 1 , wherein the at least one processor is further configured to execute the instructions to estimate a change in received power in the predetermined area by using a position of a transmission source of the wireless radio wave and a position of the obstacle.
3. The information processing device according to claim 1 , wherein
the at least one processor is further configured to execute the instructions to generate a difference distribution indicating a difference between a second received power distribution in the predetermined area before detecting presence of the obstacle, the second received power distribution being estimated by using a position of a transmission source of the wireless radio wave, and a third received power distribution in the predetermined area after detecting presence of the obstacle, the third received power distribution being estimated by using a position of a transmission source of the wireless radio wave and a position of the obstacle, and
update the first received power distribution by using the difference distribution.
4. The information processing device according to claim 3 , wherein the at least one processor is further configured to execute the instructions to correct the difference distribution by using a measurement value measured after detecting presence of the obstacle, and update the first received power distribution by using the corrected difference distribution.
5. The information processing device according to claim 3 , wherein, when a difference value of received power in a first area included in the difference distribution and a value of received power in the first area included in the first received power distribution are added, at least one processor is further configured to execute the instructions to calculate a coefficient to be multiplied by the difference value in such a way that a value after addition approaches a measurement value in the first area, and update the first received power distribution by adding a value acquired by multiplying all difference values included in the difference distribution by the coefficient to the first received power distribution.
6. A data generation method comprising:
detecting presence of an obstacle by using a measurement value of received power measured by a measurement device that receives a wireless radio wave;
estimating a change in received power in a predetermined area before detecting presence of the obstacle and after detecting presence of the obstacle; and
updating a first received power distribution in the predetermined area, the first received power distribution being stored in a storage device and being generated based on the measurement value before detecting presence of the obstacle, by using the change in received power.
7. A non-transitory computer readable medium storing a program causing a computer to execute:
detecting presence of an obstacle by using a measurement value of received power measured by a measurement device that receives a wireless radio wave;
estimating a change in received power in a predetermined area before detecting presence of the obstacle and after detecting presence of the obstacle; and
updating a first received power distribution in the predetermined area, the first received power distribution being stored in a storage device and being generated based on the measurement value before detecting presence of the obstacle, by using the change in received power.