Improvement in bit error rate performance of asymmetrically-clipped optical orthogonal frequency-division multiplexing (ACO-OFDM) is achieved through proposed modification by using unipolar encoding. This modification eliminates the 3 dB difference between ACO-OFDM performance and bipolar OFDM.
Salma D. MohamedHossam M. H. ShalabyIvan AndonovićMoustafa H. Aly
Hui ZhaoMinghui LiRuyan WangDapeng Wu