Audio multicast by visible light communication for location information for the visually impaired

Date of Publication

2015

Document Type

Bachelor's Thesis

Degree Name

Bachelor of Science in Computer Engineering

College

Gokongwei College of Engineering

Department/Unit

Electronics and Communications Engineering

Thesis Adviser

Mark Lorenze D.R. Torregoza

Defense Panel Chair

Gerino P. Mappatao

Defense Panel Member

Lawrence Y. Materum
Reggie C. Gustilo

Abstract/Summary

Visible Light Communication (VLC) is a new technology that may become an alternative choice for wireless communication in the future. The technology may be used in many indoor applications. The specific presentation of VLC in this study is with the use of light emitting diodes (LEDs) as the medium for transmission. Digital information will be sent through the LEDs as light pulses, and then a receiver will be able to collect the light pulses as a code and translate it to a corresponding audio data.

In this study, the visible light communication system uses modulation schemes, such as on-off keying, so that the digital HIGHs and LOWs are representations of the binary code to be transmitted. Acknowledgement lights incorporated in the receiver are also utilized to make multicasting possible, and to signal that transmission is successful.

Abstract Format

html

Language

English

Format

Print

Accession Number

TU18889

Shelf Location

Archives, The Learning Commons, 12F, Henry Sy Sr. Hall

Physical Description

153, 45 unnumbered leaves : illustrations (some colored) ; 28 cm.

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