Efficient demodulation scheme for rolling-shutter-patterning of CMOS image sensor based visible light communications | Zendy

Chia-Wei Chen | Zendy; ChiWai Chow | Zendy; Yang Liu | Zendy; Chien-Hung Yeh | Zendy

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Efficient demodulation scheme for rolling-shutter-patterning of CMOS image sensor based visible light communications

Author(s) -

Chia-Wei Chen,

ChiWai Chow,

Yang Liu,

Chien-Hung Yeh

Publication year - 2017

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.25.024362

Subject(s) - visible light communication , rolling shutter , demodulation , image sensor , cmos , cmos sensor , computer science , thresholding , bit error rate , electronic engineering , optics , image processing , computer hardware , shutter , light emitting diode , telecommunications , computer vision , physics , image (mathematics) , engineering , channel (broadcasting)

Recently even the low-end mobile-phones are equipped with a high-resolution complementary-metal-oxide-semiconductor (CMOS) image sensor. This motivates using a CMOS image sensor for visible light communication (VLC). Here we propose and demonstrate an efficient demodulation scheme to synchronize and demodulate the rolling shutter pattern in image sensor based VLC. The implementation algorithm is discussed. The bit-error-rate (BER) performance and processing latency are evaluated and compared with other thresholding schemes.

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