Non line-of-sight optical camera communication employing a flexible OLED
2023 South American Conference On Visible Light Communications (SACVLC)(2023)
摘要
This paper presents a non-line-of-sight optical camera communication link that uses a flexible organic light emitting diode and a camera as the transmitter and receiver, respectively. We conduct an experimental investigation of the proposed system in an indoor environment and evaluate its performance in terms of signal-to-noise (SNR) ratio and the reception success rates R
sr
for a range of camera exposure times t
exp
and the analog gain G
v
. The initial results show an SNR increment of 0.5 dB at the transmission frequency f
s
of 100 Hz with t
exp
of 1000–1250 μs, and the G
v
of 25–35 dB. In addition, the R
sr
of 98 and 87 % are measured at the f
s
of 100 and 600 Hz, respectively. Moreover, the SNR variance is negligible with changes in f
s
and t
exp
.
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关键词
Organic light emitting diode (OLED),optical camera communications (OCC),non-line-of-sight (NLOS),camera,image processing
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