Table 2 BER for various transmissions.

From: Leveraging the orthogonality of Zernike modes for robust free-space optical communication

Scheme Base-3 Base-5 Base-9 Base-25 Base-27 Base-25 (fan on, without compensation) Base-25 (fan on, with compensation)
BER (×10−5) 0 ± 0.5 50 ± 0.5 0 ± 0.5 23 ± 0.5 19 ± 0.5 4980 ± 0.5 470 ± 0.5
  1. Bit error rate (BER) associated with the transmissions of the gray scale image. BER is calculated as the ratio of total number of erroneous bits in the received images to the total number of bits transmitted. The BER values are presented along with the maximum possible round-off error.