Wireless Parking Guidance Using Sensor Nodes and Multi-Hop Routing
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Solution Overview
Problem
Conventional navigation systems do not provide information on available parking spaces near a destination, leading to driver frustration and inefficiency, while existing unmanned parking management systems face high installation costs and power consumption due to the need for wired or high-power wireless transceivers.
Innovation Solution
An intelligent parking guidance system using image sensor nodes, sensor nodes, and a parking management server to recognize vehicle entries and exits, determine available parking spaces, and provide real-time guidance to drivers through mobile communication terminals, reducing the need for high-power wireless transceivers and simplifying installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wired network is used for unmanned parking management, then reliable data transmission is achieved, but installation cost and complexity increase significantly
Solution Approach 1:
The patent replaces the wired mechanical connection system with a wireless communication system. Sensor nodes and indicator lights communicate with the central controller through wireless signals, eliminating the need for physical wiring between components while maintaining data transmission reliability.
2Reliability
If high-power wireless transceivers are used for direct 1:1 communication, then communication reliability is improved, but power consumption and installation cost increase
Solution Approach 1:
The patent segments the communication system into multiple low-power wireless transceivers distributed at sensor nodes and indicator lights. These segmented nodes communicate in hops through intermediate nodes rather than requiring direct high-power communication with the central controller, reducing individual power consumption while maintaining overall system reliability.
Solution Approach 2:
The patent introduces intermediary wireless transceivers that act as relay nodes between sensor nodes/indicator lights and the central controller. These intermediaries forward data packets, enabling communication over longer distances using low-power transceivers instead of requiring high-power direct communication.
3Device complexity
If sensor nodes and indicator lights are directly connected to central controller, then system control is simplified, but installation cost and time increase
Solution Approach 1:
The patent segments the parking lot into multiple zones with distributed sensor nodes and indicator lights. Each node is independently installed and configured, allowing parallel installation without requiring coordinated wiring of entire sections, thereby reducing overall installation time and complexity.
Solution Approach 2:
The sensor nodes and indicator lights are designed as self-contained units that can be independently installed and configured. Each node automatically integrates into the network upon activation, eliminating the need for complex centralized wiring and simplifying the installation process.
Data Source
AI summary
Provided are an intelligent parking guidance apparatus and method. The intelligent parking guidance apparatus includes: an image sensor node recognizing a vehicle number of a vehicle, sensor nodes determining whether the vehicle exists in their own positions, a parking management server generating information for guiding the vehicle to an available parking space, and a mobile communication terminal receiving the information. The intelligent parking guidance apparatus and method provide information regarding parking lots which are within a predetermined distance from a destination and available parking spaces of each parking lot, to a driver, as well as provide a road guidance service to the driver to guide his/her vehicle to the destination, so that the driver can select an optimal parking lot. Also, when the vehicle enters the parking lot, the intelligent parking guidance apparatus and method guide the driver to an available empty parking space, thereby reducing difficulties in finding a parking space in a place which is unfamiliar to the driver.