Abstract
In this Letter, free-space optical (FSO) communication using
patterned modulation and bucket detection is introduced to improve the bit
error rate (BER) performance in complex and noisy environments. The
scattered light is averaged in this communication structure. Second-order
correlation, wavelet normalization, and compressed sensing are combined in
the reconstruction algorithm. A signal with N bits is reconstructed well
from much less than N measurements. Numerical simulations and experiments
are performed without the narrowband optical filters used in traditional
FSO communication. It can also be employed in real networks where secure
communication is required. This provides the great opportunity to pave the
way for real applications of FSO communication.
© 2016 Chinese Laser Press
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