CN-122002218-A - Prediction system

Abstract

The present disclosure relates to prediction systems. The system includes a database storing communication performance data relating to communication quality of vehicles, a route specifying unit specifying one route in which the communication performance data is not acquired within a predetermined period, a vehicle specifying unit specifying one vehicle including one route in a predetermined travel route, and an acquiring unit acquiring one communication performance data from one vehicle traveling on one route.

Inventors

• HIGUCHI TAKEHIRO

Assignees

• 丰田自动车株式会社

Dates

Publication Date

20260508

Application Date

20250905

Priority Date

20241101

Claims (3)

1. 1. A prediction system is provided with: a database storing communication performance data relating to the communication quality of the vehicle; a path specification unit for specifying a path in which the communication performance data is not acquired within a predetermined period; A vehicle determination unit that determines a vehicle including the one route in the predetermined travel route, and And an acquisition unit that acquires one communication performance data from the one vehicle traveling on the one route.
2. 2. The prediction system of claim 1, wherein, The communication device includes a prediction unit configured to predict a communication quality of the one route based on the one communication performance data.
3. 3. The prediction system of claim 2, wherein, The communication device is provided with a transmission means for transmitting the predicted communication quality of the one route to another vehicle traveling on the one route in the future.

Description

Prediction system Technical Field The present invention relates to the technical field of communication related systems. Background As such a system, for example, a system that provides route information indicating a route to a destination for a moving body that moves autonomously is proposed. A system for searching for a path according to a cost related to wireless communication quality is proposed (refer to japanese patent laid-open No. 2022-072934). Disclosure of Invention When a mobile moves from a cell of one radio base station to a cell of another radio base station, there is a possibility that communication quality is degraded. In the technique described in japanese patent application laid-open No. 2022-072934, when communication between a mobile robot as a mobile body and a navigation device is interrupted, the mobile robot can autonomously return to a place where communication with the navigation device is resumed. However, such a countermeasure is not suitable for a mobile body for a passenger such as an automated driving vehicle. The present invention can provide a system capable of collecting data for predicting communication quality. A system according to an embodiment of the present invention includes: a database storing communication performance data relating to the communication quality of the vehicle; a path specification unit for specifying a path in which the communication performance data is not acquired within a predetermined period; A vehicle determination unit that determines a vehicle including the one route in the predetermined travel route, and And an acquisition unit that acquires one communication performance data from the one vehicle traveling on the one route. Drawings Features, advantages, and technical and industrial significance of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings, in which like reference numerals denote like elements, and in which: Fig. 1 is a block diagram showing an example of the configuration of a system according to the embodiment. Fig. 2 is a block diagram showing an example of the configuration of a system according to a modification of the embodiment. Detailed Description Referring to fig. 1, an embodiment relating to a system is described. Hereinafter, an embodiment relating to a system will be described with reference to the prediction server 10 as an example of the system. In fig. 1, the prediction server 10 includes a communication quality database 11, a route specification unit 12, a vehicle specification unit 13, a communication quality actual result collection unit 14, a communication quality prediction unit 15, and a transmission unit 16. The prediction server 10 is configured to be communicable with the vehicles 20 and 30. In the present embodiment, the vehicle 30 is an autonomous vehicle that autonomously travels by an autonomous function. In the present embodiment, the prediction server 10 predicts the communication quality on the predetermined travel path of the vehicle 30. The vehicle 20 may be a human-operated vehicle. Further, the vehicle 20 may have an autopilot function. Vehicles 20 and 30 may be networked vehicles. The communication quality score collection unit 14 collects communication quality data from one or more vehicles (for example, the vehicle 20). The communication quality data may be data representing the communication quality between the vehicle and a network node different from the vehicle. For example, a network node different from the vehicle may include at least one of a communication base station and an application server 51. The communication quality data may comprise a communication log relating to communications between the vehicle and the network node. Here, the vehicle 20 is explained. The vehicle 20 includes a communication quality measuring unit 21 and a communication control unit 22. The communication control unit 22 controls transmission and reception of communication data between the vehicle 20 and a network node (for example, at least one of a communication base station and the application server 51) other than the vehicle 20. The communication quality measuring section 21 measures the communication quality of the vehicle 20. For example, the communication quality may include 1 st information obtained passively by monitoring a signal from a radio channel or a radio communication base station, and 2 nd information obtained by performing data communication with a server such as the application server 51. The 1 st information may include at least one of a received power, an S/N ratio, a channel utilization ratio, and the number of communication base stations within a communication range. In the 2 nd information, at least one of communication delay, throughput, quality of service of an application level may be included. Further, throughput may mean the amount of data transmitted and received for each unit time. The communication quality measurin