Research on the performance comparison of three HACO-OFDM systems

Tao Wang; Shanji Chen

doi:10.1117/12.2587307

2 December 2020 Research on the performance comparison of three HACO-OFDM systems

Tao Wang, Shanji Chen

Proceedings Volume 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics; 117172F (2020) https://doi.org/10.1117/12.2587307
Event: 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 2020, Shanghai, China

Abstract

In visible light communications, hybrid asymmetrically clipped optical orthogonal frequency division multiplexing (HACO-OFDM) is an attractive scheme with high power efficiency and high spectral efficiency. This paper compares the implementation complexity and receiving performance of three HACO-OFDM systems. The comparison results show that the implementation complexity of the HACO-OFDM system that eliminate noise through time domain signal processing(TD-HACO-OFDM) and the interference-free hybrid OOFDM(IF-HOOFDM) system is lower. In terms of receiving performance, IF-HOOFDM system has the best bit error rate (BER) performance on the asymmetrically clipped optical OFDM(ACO-OFDM) branch; When the clipping noise estimation is inaccurate, the BER performance of the TD-HACO-OFDM system on the pulse-amplitude-modulated discrete multitone (PAM-DMT) branch is significantly better than the other two systems, the BER performance of the IF-HOOFDM system on the PAM-DMT branch is better than the conventional HACO-OFDM system based on frequency domain processing(FD-HACO-OFDM).

Citation Download Citation

Tao Wang and Shanji Chen "Research on the performance comparison of three HACO-OFDM systems", Proc. SPIE 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 117172F (2 December 2020); https://doi.org/10.1117/12.2587307

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