Table 1 Reference parameters
Symbol | Name | Value |
|---|---|---|
γ | Optical-electrical conversion efficiency | 0.5(A/W) |
a1,a2,⋯,a K | GRPA factor | 0<a K <⋯<a2<a1<1 |
Ψ FOV | Angle field of vision | 60° |
Φ 1/2 | Semi-angle | 60° |
A | Area of PD | 10−4(m2) |
T filter | Gain of an optical filter | 1 |
n | Refractive index | 1.5 |
g(ψ k =Ψ FOV ) | Gain of an optical concentrator | 3 |
ρ | A·T filter ·g(ψ k )/2π | ρ≈5×10−5 |
m=−1/log2(cos(Φ1/2=60°)) | Order of Lambertian emission | 1 |
L | Height of the LED above receivers | 2.5(m) |
N 0 | Noise power spectral density | 10−19(A2/Hz) |
B | Bandwidth of a single LED | 20(MHz) |
P T | Transmitted power of a single LED | 2(W) |
R O O M | Room size | 6×6(m2) |