Navigation Guidance for Store-Entry Lane Congestion Detection
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Solution Overview
Problem
Conventional navigation systems fail to clearly identify the cause of traffic congestion when it occurs due to vehicles entering stores on roads with multiple lanes, leading to uncertainty in lane management and route guidance.
Innovation Solution
An information distribution device that communicates with navigation devices and probe vehicles to detect traffic congestion caused by store entries, distributing information indicating the congestion's cause, allowing navigation devices to provide clear guidance on lane changes or detours.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If conventional navigation systems provide traffic congestion information, then users are notified of congestion, but the reason for congestion remains unclear when caused by store entries
Solution Approach 1:
The system segments traffic congestion information by lane, identifying which specific lane is congested and providing the cause for each lane separately. This allows the navigation device to deliver precise congestion cause information (store entry waiting) for affected lanes while maintaining overall system simplicity.
Solution Approach 2:
The navigation device acts as an intermediary that receives probe data from multiple vehicles, analyzes congestion patterns, and delivers processed congestion cause information to users. This intermediary function enables clear communication of congestion reasons without requiring complex direct vehicle-to-vehicle communication infrastructure.
2Productivity
If navigation systems guide lane changes based on congestion detection, then route efficiency improves, but accuracy decreases when congestion cause is uncertain
Solution Approach 1:
The system applies local quality by providing different congestion cause information for different lanes. When a store entry causes congestion in one lane, only that lane is marked with the specific cause, while other lanes maintain normal status. This enables precise lane change guidance based on accurate local congestion conditions.
Solution Approach 2:
The navigation device performs preliminary analysis of probe data to identify congestion causes before providing guidance. By detecting patterns indicating store entry waiting in advance, the system can provide accurate congestion cause information and timely lane change recommendations to users.
3Area of stationary object
If the system monitors all lanes for congestion, then comprehensive coverage is achieved, but the ability to identify specific congestion causes diminishes
Solution Approach 1:
The system segments monitoring coverage by lane, analyzing probe data for each lane individually to identify specific congestion causes. This lane-level segmentation enables the system to maintain comprehensive coverage while preserving congestion cause specificity, as each lane's congestion pattern is analyzed separately for causes like store entry waiting.
Data Source
AI summary
The information distribution device includes a communication unit that communicates with a navigation device that notifies a user of traffic congestion information, probe data obtained from one or more probe vehicles that move on a road including at least two lanes having a common traveling direction, and store data related to a store facing a specific lane that is one of the at least two lanes, and a control unit that, when detecting a traffic congestion due to a waiting for entry into the store on a specific lane, distributes information indicating that the traffic congestion is occurring and that the traffic congestion is caused by a waiting for entry into the store, as traffic congestion information, to the navigation device via the communication unit.