Single-lamp visible light duplex communication system, and uplink and downlink time division method thereof
A duplex communication and visible light technology, applied in the field of visible light communication, can solve the problems of visible light eye irritation, non-compliance with the design concept of green environmental protection, increased power consumption and cost of equipment, etc., to solve the problem of tight spectrum resources and good ergonomic design , the effect of saving light source
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[0023] by Figure 1-6 As can be seen from the illustrated embodiment, the single-lamp visible light duplex communication system is characterized in that it includes an upper computer and a lower computer; the upper computer includes a first signal processing unit, a first optical signal emission unit, and a first optical signal detection unit The lower computer includes a single-chip external modulator 2, a reflective prism group 3, a second optical signal detection unit 4, a second signal processing unit, an external modulation drive module and a control terminal; a single-chip external modulator 2, a reflective The prism group 3 and the second optical signal detection unit 4 are respectively fixedly arranged on the lower equipment support 5. The single-chip external modulator 2 is arranged above the reflective prism group 3; the input end of the first optical signal transmitting unit is connected to the A corresponding output terminal of a signal processing unit; the output t...
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