Fig. 2
From: Adversarial bandit approach for RIS-aided OFDM communication
The ray tracing scenario ‘O1’ from [33]. The BS#3 is selected to be the RIS while the transmitter is fixed at the position of raw R850 and column 90. The receiver can be positioned at any 54,300 points within the x–y grid between raw R1000 and R1300. These points constitute the dataset which is split into 80% training set and 20% test set