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Authors:
Paula Louro
Manuela Vieira
Manuel Augusto Vieira
Keywords: visible light communication; white LED; on-off keying, indoor navigation; bidirectional communication
Abstract:
A visible light bi-directional data transmission system based on visible light communication using white tri-chromatic LEDs is presented. The proposed communication system allows indoor navigation for a mobile autonomous picking robot moving in a warehouse. Downlink communication from the infrastructure to the mobile device allows positioning, navigation services and data transmission. White LEDs are used at the lamps infra-structure to illuminate the space and to transmit data and provide positioning. An a-SiC:H/a-Si:H pin-pin photodiode is used at the receiver unit to decode the transmitted data and infer location. Different coding schemes are proposed, considering the need to prevent flickering effects in downlink communication.
Pages: 52 to 57
Copyright: Copyright (c) IARIA, 2020
Publication date: November 21, 2020
Published in: conference
ISSN: 2308-3514
ISBN: 978-1-61208-820-4
Location: Valencia, Spain
Dates: from November 21, 2020 to November 25, 2020