Indoor Positioning System for Blind using Li-Fi
In places such as malls, supermarkets, or airports, it is hard to find your target due to the spacious nature of such places. This problem could be more complicated for people with low vision or blind people. Visually impaired depend on their hearing and touch senses to discover surrounding environment. However, with such senses it is hard to reach their destinations. In addition, since some of these places doesn't allow dogs, and dogs could help people with such conditions discovering their surroundings, visually impaired will not find these places blind-friendly when roaming them. In this capstone project, the team's members will design and implement an Indoor Positioning System for visually impaired using Li-Fi technology. Li-Fi, which belongs to Visible Light Communication (VLC) technology, is a new optical wireless technology that uses light to transmit data in a high data rate and in a secure manner than other wireless technologies such as Wi-Fi and Bluetooth. The positioning system will use Li-Fi luminaires and a Li-Fi dongle from pureLiFi company, which is one of the few leading companies that sell Li-Fi products. The system will depend on the BSSIDs (Basic Service Set Identifiers) of the access points and light intensity of the luminaires for determining the user position. Because pureLiFi luminaires do not support yet iOS and Android smartphones, an HP laptop with Windows 10 will be used with the Li-Fi dongle to read data from the luminaries. An application written in Python programming language will be created to interact with the visually impaired using voice commands. The goal of the project is to help the visually impaired person figure his current location accurately and with minimum help of others, using green technology such as LED light, which is used in this project.