Navigation System Emergency Region Prioritization
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Solution Overview
Problem
Existing navigation systems face challenges in delivering timely and prioritized emergency information to client terminals, particularly during disasters, due to delayed information updates and overcrowded communication lines, leading to inefficient information delivery and potential disruptions.
Innovation Solution
A navigation system that continuously updates terminal position information and divides affected regions by priority, allowing for immediate and simultaneous information delivery to client terminals based on the degree of influence, regardless of when the terminal position information was received, and prioritizes communication lines for high-impact areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If emergency information is delivered simultaneously to all mobile terminals within a base station, then all users receive the notification reliably, but users receive information that is not directly relevant to their position and must sift through unnecessary information
Solution Approach 1:
The notification list is segmented into multiple sublists based on geographic regions (first region and second region). The server creates region-specific notification lists that contain only mobile terminals located in the affected region, ensuring that users receive only relevant emergency information for their location rather than blanket notifications to all terminals.
Solution Approach 2:
Different notification strategies are applied to different regions based on local conditions. The server determines which region is affected by the emergency and creates targeted notification lists specific to that region, providing locally appropriate information to users in that area while excluding users in unaffected regions.
2Productivity
If notification lists are created at predetermined time intervals, then the system can deliver notifications systematically, but the latest mobile terminal positions cannot be grasped at the time of delivery
Solution Approach 1:
The server performs preliminary actions by creating and storing notification lists in advance based on the latest received terminal position information. When an emergency occurs, the server uses these pre-prepared lists immediately without waiting for position updates, ensuring both timely delivery and position accuracy.
Solution Approach 2:
The notification lists are dynamically updated whenever new terminal position information is received. The server continuously monitors position updates and refreshes the notification lists accordingly, ensuring that the lists reflect the latest terminal positions while maintaining the ability to deliver notifications immediately when needed.
3Device complexity
If terminal position information is received at predetermined time intervals, then the server can process information systematically, but information delivery is delayed by the wait time between updates
Solution Approach 1:
The server performs preliminary processing by creating notification lists and storing them in advance based on received terminal position information. This preliminary action allows the server to bypass the predetermined update interval delay and deliver emergency information immediately using the pre-prepared lists, eliminating the waiting time while maintaining systematic processing.
4Quantity of substance
If emergency information is transmitted to a large number of client terminals simultaneously, then comprehensive coverage is achieved, but communication lines become overcrowded and transmission speed is lowered
Solution Approach 1:
The large group of terminal targets is segmented into multiple region-specific notification lists. Instead of transmitting to all terminals simultaneously, the server transmits emergency information separately to each notification list corresponding to different regions. This segmentation reduces the number of terminals receiving information at the same time, preventing communication line overcrowding while maintaining comprehensive coverage across all affected areas.
Data Source
AI summary
Provided is a navigation system capable of, when an emergency situation occurs, immediately distributing, to a mobile terminal that is a client terminal located in a region impacted by the emergency situation, required information according to the terminal position in order of priority. During an emergency situation such as when a disaster or the like occurs, information on the emergency situation is distributed from a server, as a priority, simultaneously to each mobile terminal located in an area that is strongly impacted (for example, areas marked with a circled 1) immediately, regardless of when terminal position information is received from the mobile terminals, and the information on the emergency situation is displayed on a display device of the mobile terminal and a display device of a DA device to which same was distributed.