可见光通信中直流偏移的ACO-OFDM分集合并接收机 下载: 765次
ing at the asymmetrically clipped optical orthogonal frequency division multiplexing (ACO-OFDM) systems with direct current (DC) offset, a diversity combining receiver using single fast Fourier transform (FFT) is proposed. In a visible light communication (VLC) system, the background light source will inevitably cause a DC offset at the receiving end. Through the symmetric recovery operation, the odd and even signals of the ACO-OFDM system can be reconstructed in the time domain to estimate the DC offset of the system. The results show that the proposed diversity combining receiver has lower complexity, is insensitive to DC components, and has the same diversity gain as that of the conventional diversity combining receiver.
李建锋, 刘晓爽, 李建科, 伍亚丽, 黄治同. 可见光通信中直流偏移的ACO-OFDM分集合并接收机[J]. 激光与光电子学进展, 2020, 57(19): 190604. Jianfeng Li, Xiaoshuang Liu, Jianke Li, Yali Wu, Zhitong Huang. ACO-OFDM Diversity Combining Receiver with Direct Current Offset in Visible Light Communications[J]. Laser & Optoelectronics Progress, 2020, 57(19): 190604.