DATA TRANSMISSION TO MOBILE DEVICES VIA MULTIPLE QR CODES

• Main Author: Rizky Ismail Faizal, Muhammad
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/71963
• Institution: Institut Teknologi Bandung

Data transmission between mobile devices can be done easily with the use of Bluetooth or Wi-Fi, but these methods have weaknesses such as the significant amount of time needed for the device search and authentication phase when transferring small files. Related works by Memeti dkk. (2013), Boubezari dkk. (2016), and Toh dkk. (2016) proposes transferring data via multiple two-dimensional barcodes as an alternative solution to this problem. The proposed data transmission system in these related works can be used as an alternative data transfer method, but still has certain aspects that can be improved. In these proposed systems, high capacity two dimensional barcodes are used to maximize the data capacity of each code. This has a downside of lowering read accuracy on the receiver and increasing the overall time needed to process each code. In this paper, we propose a data transmission system that aims to maximize the overall data transfer rate by maximizing read accuracy and code processing speed instead. We also test the use of RaptorQ fountain code to improve handling of missing frames in the system. Analysis and tests done on the system proves that the proposed system can be reasonably used as an alternative data transmission method when the file that needs to be transferred is smaller than 1MB or when other data transmission methods are unavailable.