the Technology Interface Journal/Fall 2009 Li and Ranga
Volume 10 No. 1 ISSN# 1523-9926
Design and Implementation of a Digital Parking
Lot Management System
Xiaolong Li Uma Kanth Ranga
Elec., Comp. & Mech. Engineering Technology ECMET student Indiana State University Indiana State University
Abstract - This project aims at implementing a digital vehicle management system using radio frequency identification (RFID) technology. This digital vehicle management system will enhance the utilization of parking space and help user check the availability of the parking space remotely since the system is connected to the Internet. The project will be implemented in four stages. The first stage consists of embedding the code into a tag and assigning the same to a car. The second stage is reading the data from the RFID tag to the microcontroller. In the third stage, the data is uploaded from microcontroller to the Ethernet network. The final stage is to keep a track of vacancies of the parking spaces.
According to the U.S. Bureau of Transit/Transportation statistics for the year of 2006, there are 250,851,833 registered passenger vehicles in the United States. These 251 million vehicles include cars, motor cycles, SUVs and pick-up trucks. The New York Times magazine states that approximately a million passenger vehicles are introduced into the roads each year in the United States, which ultimately leads to a parking problem due to limited availability of spaces. A survey conducted by one of the car manufacturing company, Bavarian Motor Works (BMW), shows that 20% of the inner traffic of major cities across the nation is in search of parking space.
At Indiana State University (ISU), 1400 parking spaces are available to the students as against that more than 4000 parking passes have been issued to students in the year of 2008. The parking system at ISU, just as the most normal parking systems, does not track the number of cars present in the parking lot, to say nothing of providing the information of vacancies online. A student has to drive into the parking lot and to search for available space, which results in a waste of time, effort and fuel. In order to enhance the utilization of the parking lot and reduce the effort of finding a parking space, there is a need to build a digital parking lot management system for the public. With the rapid development of communication and computer technologies, it is possible to achieve this goal. In this the Technology Interface Journal/Fall 2009 Li and Ranga
Volume 10 No. 1 ISSN# 1523-9926
project, the RFID technology has been used to maximize parking utilization. The RFID kit includes RFID windshield tags and RFID readers. The RFID reader is connected to a microcontroller in the control office where the system is connected to the Internet. As shown in Figure 1, where a car with enabled RFID windshield tag drives up to the gate, the RFID reader will automatically read the information from tag through the built in antenna. The received information will be delivered to the microcontroller where the information will be verified. If the received information matches the information in the database, the control office will send a command to open the barrier. The number of cars in the parking lot and the number of available spaces will be updated online immediately so that remote user can get the correct parking information.
This parking lot management system enables user to operate an unattended parking barrier with controlled parking access privileges. The system is ideal for apartments and condos, gated communities, business parking lots and garages, university parking areas and recreation operations from hotel to RV camps.
Figure 1: Parking lot management system 
the Technology Interface Journal/Fall 2009 Li and Ranga...
References: . GAO RFID Inc., “RFID Enabled Automated Parking Access Control Systems”, Retrieved May 5th,
 Banks, J., Hanny, D., Pachano, M. A., and Thompson, L. G. RFID Applied. John Wiley and Sons,
 Mazidi, M. A., and Mazidi, J. G., The 8051 Microcontroller and Embedded Systems. Pearson
 Silicon Laboratories. (2008). “Embedded Ethernet Development Kit 's User Guide”. Retrieved
October 15, 2008 https://www.silabs.com/Support%20Documents/TechnicalDocs/Ethernet-
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