Subchannel Resource Allocation in Heterogeneous VLC/WiFi Networks Based on Interference Management

Huanlin Liu; Zhenyu Lin; Yong Chen; Xin Pu

doi:10.3788/CJL201946.1206002

Journals >Chinese Journal of Lasers >Volume 46 >Issue 12 >Page 1206002 > Article

Chinese Journal of Lasers
Vol. 46, Issue 12, 1206002 (2019)

Subchannel Resource Allocation in Heterogeneous VLC/WiFi Networks Based on Interference Management

Huanlin Liu^1、*, Zhenyu Lin¹, Yong Chen², and Xin Pu¹

Author Affiliations

¹School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

²Key Laboratory of Industrial Internet of Things and Network Control, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

show less

DOI: 10.3788/CJL201946.1206002 Cite this Article Set citation alerts

Huanlin Liu, Zhenyu Lin, Yong Chen, Xin Pu. Subchannel Resource Allocation in Heterogeneous VLC/WiFi Networks Based on Interference Management[J]. Chinese Journal of Lasers, 2019, 46(12): 1206002 Copy Citation Text

show less

Fig. 1. Downlink model of heterogeneous VLC/WiFi network

Download full size

Fig. 2. Diagram of user conflict graph

Download full size

Fig. 3. Indoor rectangular uniform layout

Download full size

Fig. 4. System throughput varying with number of users

Download full size

Fig. 5. System throughputvarying with VLC outage probability

Download full size

Fig. 6. Ratio of satisfied users varying with total number of users

Download full size

Parameter	Value	Parameter	Value
Half power angle φ₁_/₂ /(°)	60	Max invalid information I_init	0.3
Power of LED array $\begin{matrix} P_{t}^{VLC} \end{matrix}$ /W	15	Disturbance step λ_{d_cross}	0.02
VLC bandwidth B_VLC /MHz	40	Information threshold step λ_cross	0.01
VLC subchannels N_VLC	128	Optical filter gain T_s0	1.0
WiFi transmit power $\begin{matrix} P_{t}^{Wi} \end{matrix}$ /dBm	20	Optical concentrator gain g₀	1.0
WiFi bandwidth B_WiFi /MHz	22	Surface area of detector A /cm²	1.0
WiFi subchannels num N_RF	64	Photoelectric efficiency γ /(A·W^-1)	0.53
Receiver view angle FOV /(°)	60	Population size of GA N_popu	50
VLC outage probability P_block	0.5	Maximum iteration of GA a_max	100

Table 1. Simulation parameters

Scheme	Iterative time forconvergence	Number ofoptimal value
IAGA-SA	168	63.87
IGA-SA	32	65.08
IGA-ISSA	53	66.7

Table 2. Convergence performances of three genetic algorithms

Huanlin Liu, Zhenyu Lin, Yong Chen, Xin Pu. Subchannel Resource Allocation in Heterogeneous VLC/WiFi Networks Based on Interference Management[J]. Chinese Journal of Lasers, 2019, 46(12): 1206002

Download Citation

Set citation alerts for the article

Tools

Set citation alerts for the article

Save the article for my favorites

Paper Information