Tomas Stratil, Petr Koudelka, Radek Martinek, Tomas Novak

Active Pre-Equalizer for Broadband over Visible Light

Číslo: 3/2017
Periodikum: Advances in Electrical and Electronic Engineering
DOI: 10.15598/aeee.v15i3.2210

Klíčová slova: Equalization; Labview; pre-equalizaton; Software-defined radio; Visible Light Communication; VLC, Vyrovnání; Labview; předrovnávání; Softwarově definované rádio; Komunikace s viditelným světlem; VLC.

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Anotace: This paper introduces a new technology called Broadband over Visible Light (BVL) which combines two technology solutions like Visible Light Communication(VLC) and Broadband over Power Line (BPL). This new technology is suitable for converting modern LED lighting systems into communication systems. However, there are some deficiencies in BVL technology such as the low bandwidth of LED optical transmitters. Pre-equalization may be solution of this problem. This paper proposes higher bandwidth using the pre-equalization circuit. Also, it shows real experimental results demonstrating an improvement of bandwidth and transmission rate.