Acta Optica Sinica, Volume. 41, Issue 19, 1906002(2021)
Flip-OFDM Based on Hartley Transform for Optical Wireless Communications
Figures & Tables(6)
Fig. 2. OFDM modulator. (a) Based on FFT and QAM constellation mapping; (b) based on FHT and PAM real constellation mapping
Fig. 5. BER performance versus SNR for Flip-FHT with 4PAM (or BPSK), ACO-FHT with 4PAM (or BPSK) and ACO-OFDM with 16QAM (or 4QAM)
Table 1. Simulation parameters
View tableTable 1. Simulation parameters
Parameter ACO-OFDM ACO-FHT Flip-FHT FFT (FHT) size 256 256 256 Symbol constellation mapping 16QAM (or 4QAM) 4PAM (or BPSK) 4PAM (or BPSK) Constellation size 16 (or 4) 4 (or 2) 4 (or 2) Subcarriers carrying information 64 128 256 Channel AWGN AWGN AGWN Hermitian symmetry Required NOT Required NOT Required
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Lujiao Li, Jun Chen, Zhijun Tang, Shigang Hu, Lei Chen. Flip-OFDM Based on Hartley Transform for Optical Wireless Communications[J]. Acta Optica Sinica, 2021, 41(19): 1906002
Paper Information
Category: Fiber Optics and Optical Communications
Received: Mar. 5, 2021
Accepted: Apr. 19, 2021
Published Online: Oct. 29, 2021
The Author Email: Li Lujiao (lujiao-li@hnust.edu.cn)
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