Table 1 Simulation parameters
From: Compressed sensing-based channel estimation for ACO-OFDM visible light communications in 5G systems
Parameter | Value |
|---|---|
Room dimensions (m) | 5 × 5 × 3 |
Height of receiving plane (m) | 0.8 |
Number of LEDs | 256 |
Center luminous intensity, I 0 (cd) | 30 |
Minimum optical power, P Tx,min (mW) | 90 |
Maximum optical power, P Tx,max (mW) | 400 |
Semiangle at half power (°) | 60 |
Photodiode responsivity | 0.3 |
Field of view at the receiver (°) | 85 |
Reflective index of concentrator | 1.5 |
A r (cm2) | 1 |
Background noise current, I bg (mA) | 0.62 |
Load resistance, R L (KΩ) | 10 |
Absolute temperature, T (°K) | 295 |
Reflectivity, ρ walls and floor | 0.8 and 0.3 |
Modulation | 64-QAM ACO-OFDM |