Asymmetrically clipped optical OFDM with generalized index modulation for atmospheric turbulent channel

Hui-qin WANG; Hong-xia DOU; Ming-hua CAO; Yu-kun MA; Qing-bin PENG

doi:10.37188/OPE.20212909.2268

Journals >Optics and Precision Engineering >Volume 29 >Issue 9 >Page 2268 > Article

Optics and Precision Engineering
Vol. 29, Issue 9, 2268 (2021)

Asymmetrically clipped optical OFDM with generalized index modulation for atmospheric turbulent channel

Hui-qin WANG^*, Hong-xia DOU, Ming-hua CAO, Yu-kun MA, and Qing-bin PENG

Author Affiliations

School of Computer and Communication， Lanzhou University of Technology， Lanzhou， Gansu730050， China

show less

DOI: 10.37188/OPE.20212909.2268 Cite this Article

Hui-qin WANG, Hong-xia DOU, Ming-hua CAO, Yu-kun MA, Qing-bin PENG. Asymmetrically clipped optical OFDM with generalized index modulation for atmospheric turbulent channel[J]. Optics and Precision Engineering, 2021, 29(9): 2268 Copy Citation Text

show less

Fig. 1. ACO-OFDM-GIM system model

Download full size | View in the Article

Fig. 2. Simulation and theoretical BER of the ACO-OFDM-GIM schemes

Download full size | View in the Article

Fig. 3. Effect of k and M on the BER performance in the case of n=4

Download full size | View in the Article

Fig. 4. Simulation and theoretical BER of the ACO-OFDM-GIM schemes with SAA

Download full size | View in the Article

Fig. 5. BER of ACO-OFDM-GIM， ACO-OFDM-IM and ACO-OFDM

Download full size | View in the Article

Fig. 6. SE and computational complexity of ACO- OFDM-GIM，ACO-OFDM-IM，ACO-OFDM

Download full size | View in the Article

Fig. 7. PAPR of ACO-OFDM-GIM， ACO-OFDM-IM， ACO-OFDM

Download full size | View in the Article

z_d	z₁	z₂	d'_z₁	$I_{g}^{δ}$	$S_{g}^{δ}$
0	0000*	01	0		$[s_{g}^{1} (1), 0,0, 0]$
1	0000	01	0		$[s_{g}^{1} (1), 0,0, 0]$
					
14	0011	10	3	[0 0 0 1]	$[0,0, 0, s_{g}^{1} (4)]$
15	0011	11	3	[0 0 0 1]	$[0,0, 0, s_{g}^{1} (4)]$

Table 1. One subcarrier is activated in per sub-block

View in the Article

z_d	z₁	z₂	d'_z₁	$I_{g}^{δ}$	$S_{g}^{δ}$
16	01*	0000	0		$[s_{g}^{2} (1), s_{g}^{2} (2), 0,0]$
17	01	0001	0		$[s_{g}^{2} (1), s_{g}^{2} (2), 0,0]$
					
62	11	1110	2	[0 0 1]	$[0,0, s_{g}^{2} (3), s_{g}^{2} (4)]$
63	11	1111	2	[0 0 1]	$[0,0, s_{g}^{2} (3), s_{g}^{2} (4)]$

Table 2. Two subcarriers are activated in per sub-block

View in the Article

湍流强度

李拓夫方差

形状参数1

形状参数2

尺度

参数

接收孔径D/mm

Weak

0.317

3.67

1.97

0.73

Moderate

2.202

5.37

0.81

0.33

strong

15.851

5.50

0.74

0.29

Table 3. Parameters for Exponetiated Weibull turbulence model

View in the Article

调制方式	传输速率	频谱效率	计算复杂度	峰均比
ACO-OFDM	$\frac{N l o g_{2} (M)}{4}$	$\frac{l o g_{2} (M)}{4}$	$M^{n}$	$\frac{N}{E_{a v e_p}^{Q A M}}$
ACO-OFDM-IM	$\frac{r (⌊l o g_{2} (C_{n}^{k})⌋ + k l o g_{2} (M))}{2}$	$\frac{r (⌊l o g_{2} (C_{n}^{k})⌋ + k l o g_{2} (M))}{2 N}$	$M^{k}$	$\frac{k N}{n E_{a v e_p}^{Q A M}}$
ACO-OFDM-GIM	$\frac{r ⌊l o g_{2} (\sum_{k (δ) \in k} M^{k (δ)} C_{n}^{k (δ)})⌋}{2}$	$\frac{r ⌊l o g_{2} (\sum_{k (δ) \in k} M^{k (δ)} C_{n}^{k (δ)})⌋}{2 N}$	$M^{k (1)} M^{k (2)} \dots M^{k (δ)}$	$\frac{\sum_{k (δ) \in k} k (δ) N}{n E_{a v e_p}^{Q A M}}$

Table 4. Transmission rate， SE， computational complexity and PAPR of the ACO-OFDM-GIM， ACO-OFDM-IM and ACO-OFDM schemes

Download Citation

Save the article for my favorites

Paper Information

微信扫一扫：分享

微信扫一扫：分享