Fig. 3From: Fisheye-lens-based space division multiplexing system for visible light communicationsBlock diagram and experimental setup of the fisheye-lens-based SDM VLC system. a Overall system. b Fisheye-lens-based imaging receiver and the projected image. AWG arbitrary waveform generator, OSC real-time oscilloscope, AMP amplifier, LPF low-pass filter, APD avalanche photodiode, CP cyclic prefixBack to article page