Chinese Journal of Lasers, Volume. 48, Issue 7, 0706002(2021)
Optimal Power Allocation for Intersatellite Visible Light Communication Based on Nonorthogonal Multiple Access
Figures & Tables(9)
Fig. 4. Individual rate and intersatellite sum-rate varying with power distribution factor θ
Fig. 5. Normalized sum-rate varying with θ and Po with different inter-satellite distance ratio. (a) d1∶d2=1∶1; (b) d1∶d2=1∶2; (c) d1∶d2=1∶4
Fig. 6. Average BER of system varying with power allocation factor with different DC powers
Table 1. Orbit parameters of formation satellites
View tableTable 1. Orbit parameters of formation satellites
Parameter SmallSat CubeSat1 CubeSat2 Altitude /km 600 600 600 Inclination /(°) 98.608 28.5 28.5 RANN /(°) 24.53 140 270 Trueanomaly /(°) 0 0 0
Table 2. Simulation parameters
View tableTable 2. Simulation parameters
Parameter Value Link distance di /km 0.5--2.0 System bandwidth Bc /MHz 10 LED peak wavelength λ /nm 656.28 Semi-angle at half power /(°) 30 FOV semi-angle φc /(°) 35 Detector active area Apd /cm2 7.48 Detector responsivity γ 0.51 Transmission coefficient To 1 Refractive index n 1.5 Open loop voltage gain G 10 Capacitance of PD η /(pF·cm-2) 38 Background noise power Pbg /μW 10 FET transconductance gm /ms 30 FET channel noise factor ξ 0.82 Boltzmann constant k /(J·K-1) 1.3806×10-23 Absolute temperature TA /K 300
Tools
Get Citation
Copy Citation Text
Shaowei Hao, Yongjun Li, Shanghong Zhao, Xinkang Song. Optimal Power Allocation for Intersatellite Visible Light Communication Based on Nonorthogonal Multiple Access[J]. Chinese Journal of Lasers, 2021, 48(7): 0706002
Paper Information
Category: fiber optics and optical communications
Received: Aug. 28, 2020
Accepted: Oct. 27, 2020
Published Online: Mar. 29, 2021
The Author Email: Yongjun Li (tz_228@163.com)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20