Dual Wireless Parking Information System with Network Handover
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Solution Overview
Problem
Drivers face challenges in finding available parking spaces in congested areas due to the lack of advance information on parking space availability, leading to unnecessary time spent searching for open spaces.
Innovation Solution
A system utilizing dual wireless communication networks, such as CDMA and WiFi, to provide real-time parking information to vehicle terminals, allowing drivers to connect to a server for information on parking space availability, with handover capabilities between networks to ensure continuous service.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If drivers rely on traditional parking signs to find available spaces, then the system is simple and low-cost, but drivers spend excessive time searching for parking spaces and have no advance information on availability
Solution Approach 1:
The system provides preliminary action by giving drivers advance information on parking space availability before they arrive at the parking structure. The server communicates with parking structures to determine availability and transmit this information to drivers' vehicles via wireless communication networks, allowing drivers to plan their parking needs in advance rather than searching for spaces after arrival.
Solution Approach 2:
The system introduces an intermediary communication system consisting of a server and wireless communication networks (CDMA, WiFi, WiBro) that mediate between parking structures and drivers. This intermediary layer enables real-time information exchange without requiring direct complex integration between vehicles and parking structures, resolving the contradiction by providing sophisticated information delivery through a manageable intermediate infrastructure.
2Reliability
If the system uses multiple wireless communication networks (CDMA, WiFi, WiBro) to ensure continuous service, then reliability is improved, but device complexity increases
Solution Approach 1:
The wireless communication unit is designed with multi-functionality by integrating support for multiple communication networks (CDMA, WiFi, WiBro) within a single device. This universal approach allows the vehicle terminal to utilize any available network for parking information retrieval, ensuring continuous service while avoiding the need for separate dedicated systems for each network type.
Solution Approach 2:
The system implements dynamic network selection and handover capabilities where the control unit automatically switches between different wireless communication networks based on availability and service quality. This dynamic adaptation ensures continuous parking information service by transitioning between networks without user intervention, managing complexity through automated control rather than manual configuration.
3Loss of information
If the system provides detailed real-time parking information including level-by-level availability and space status, then information accuracy is improved, but the amount of information processing and display complexity increases
Solution Approach 1:
The system applies segmentation by organizing parking information into structured hierarchical categories: general parking information (address, total spaces, service provider), level-specific information (available spaces per level), and detailed space status (individual space availability). This segmentation allows the complex information to be processed and displayed in manageable segments, improving accuracy while controlling display complexity through organized presentation.
Data Source
AI summary
A system for providing parking information based on dual wireless communication including a vehicle terminal configured to connect to a server via a first wireless communication network when a parking information request is generated, and configured to connect to the server via a second wireless communication network if a connection via the first wireless communication network is failed, thereby receiving and displaying the parking information on a screen.