Experimental Demonstration of Zadoff–Chu Matrix Transform Precoding for MIMO-OFDM Visible Light Communications

Table 1

Experiment parameters.

Parameters	Values
Modulation order	64QAM, 128QAM
Bandwidth	12.5 MHz
Subcarrier number	256
CP length	16
Upsampling rate	4
Transmission distance	0.8 m
Distance between TXs	5 cm
Distance between RXs	2 cm