Robust Energy Efficiency Resource Allocation Algorithm for Heterogeneous VLC/RF Network Based on Bounded Channel State Information Uncertainty

Yanan Xin; Qilie Liu; Qian Liu; Qianbin Chen; Hongmei Xue; Ziyan Li; Kui Cheng

doi:10.3788/CJL202249.2306003

Chinese Journal of Lasers, Volume. 49, Issue 23, 2306003(2022)

Robust Energy Efficiency Resource Allocation Algorithm for Heterogeneous VLC/RF Network Based on Bounded Channel State Information Uncertainty

Yanan Xin¹, Qilie Liu¹, Qian Liu¹, Qianbin Chen¹, Hongmei Xue^2、*, Ziyan Li¹, and Kui Cheng³

Author Affiliations

¹Key Laboratory of Mobile Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

²School of Information and Electrical Engineering, Hebei University of Engineering, Handan 056038, Hebei, China

³Faculty of Artificial Intelligence and Big Data, Yibin University, Yibin 644000, Sichuan, China

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Figures & Tables(8)

Fig. 1. Transmission model of heterogeneous VLC/RF network

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Fig. 2. Robust energy efficiency optimization algorithm based on iteration

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Fig. 3. Convergence diagram of iteration times

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Fig. 4. Influence of channel estimation error on outage probability. (a) Effect of RF channel estimation error; (b) effect of VLC channel estimation error

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Fig. 5. Effect of VLC channel estimation error on energy efficiency

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Fig. 6. Effect of RF interruption probability threshold on energy efficiency

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Fig. 7. Effect of minimum user demand rate on energy efficiency under different algorithms

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Table 1. Simulation parameters
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Table 1. Simulation parameters
Parameter Numerical value Parameter Numerical value
M 2 T_max/s 10
N 2 l_m /km 1
B_max /MHz 10 η 6
P_max /W 1 $R_{n}^{r}$ /Mbit·s^－1 2
p_max /W 1 $R_{m}^{r}$ /Mbit·s^－1 2
θ_max 60° I₀ /cd 9.5

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Yanan Xin, Qilie Liu, Qian Liu, Qianbin Chen, Hongmei Xue, Ziyan Li, Kui Cheng. Robust Energy Efficiency Resource Allocation Algorithm for Heterogeneous VLC/RF Network Based on Bounded Channel State Information Uncertainty[J]. Chinese Journal of Lasers, 2022, 49(23): 2306003

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