Performance of multiple-input multiple-output free space optics using hybrid subcarrier intensity modulation with avalanche photodiode receiver

2019 ◽  
Vol 22 (4) ◽  
pp. 468
Author(s):  
Rajat Kumar Giri ◽  
Bijayananda Patnaik
Keyword(s):  
Free Space ◽  
Multiple Input Multiple Output ◽  
Avalanche Photodiode ◽  
Intensity Modulation ◽  
Free Space Optics ◽  
Space Optics ◽  
Multiple Input ◽  
Input Multiple Output

scholarly journals End-to-end performance of DF multihop hybrid RF/FSO system using MPPM coding and MIMO technique under dependent GG turbulence channels

2020 ◽  
Vol 19 (2) ◽  
pp. 811
Author(s):  
Hechmi Saidi ◽  
Noureddine Hamdi
Keyword(s):  
Multiple Input Multiple Output ◽  
Error Rates ◽  
Free Space Optics ◽  
Pulse Position Modulation ◽  
Space Optics ◽  
Multiple Input ◽  
Input Multiple Output ◽  
Interesting Approach ◽  
Closed Form Formula

<p><span>The paper presents a BER analysis for hybrid Radio Frequency/multihop Free Space Optics, known as RF/FSO, communication system benefiting from Multiple Input Multiple Output (MIMO) configuration but impaired by Gamma-Gamma, known as GG, turbulence. Authors deploy Multiple Pulse Position Modulation, known as M-PPM, like a signaling technique. Furthermore, the exact as well as approximated amounts of Symbol-Error Rates, known as SERs, are both judged in this work. A closed form formula related to the whole Probability Density Function, called PDF, for our designed system is derived. Such interesting approach provides to us better quality of service by combating atmospheric turbulence.</span></p>

Performance analysis of WDM free space optics transmission system using MIMO technique under various atmospheric conditions

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Kavitha Thandapani ◽  
Maheswaran Gopalswamy ◽  
Sravani Jagarlamudi ◽  
Naveen Babu Sriram
Keyword(s):  
Wavelength Division Multiplexing ◽  
Free Space ◽  
Multiple Input Multiple Output ◽  
Atmospheric Conditions ◽  
Free Space Optical ◽  
Wavelength Division ◽  
Space Optics ◽  
Space Optical Communication ◽  
Input Multiple Output ◽  
And Performance

Abstract Free Space Optical (FSO) communication has evolved as a feasible technique for wireless implementations which offers higher bandwidth capacities over various wavelengths and refers to the transmission of modulated visible beams through atmosphere in order to communicate. Wavelength Division Multiplexing (WDM) is a technology that multiplexes numerous carrier signals onto single fiber using nonidentical wavelengths and enables the efficiency of bandwidth and expanded data rate. Multiple Input Multiple Output (MIMO) is implemented to improve the quality and performance of free space optical communication in various atmospheric conditions. In this paper, a WDM-based FSO communication system is being implemented that benefits from MIMO which receives multiple copies of the signal at receiver that are independent and analyzed for various streams of data in MIMO i.e. 2 × 2, 4 × 4, 8 × 8. Various factors like BER, Quality Factor are analyzed for the WDM-based FSO communication with MIMO using the OptiSystem for various data streams of MIMO under different atmospheric conditions.

Free Space Optical Multiple-Input Multiple-Output Communication Based on Intensity Superposition Code

2011 ◽  
Vol 31 (7) ◽  
pp. 0706002
Author(s):  
赵顾颢 Zhao Guhao ◽  
赵尚弘 Zhao Shanghong ◽  
李勇军 Li Yongjun ◽  
王翔 Wang Xiang ◽  
朱子行 Zhu Zhihang
Keyword(s):  
Free Space ◽  
Multiple Input Multiple Output ◽  
Free Space Optical ◽  
Multiple Input ◽  
Input Multiple Output

scholarly journals Elliptical Core Few Mode Fibers for Multiple-Input Multiple Output-Free Space Division Multiplexing Transmission

2017 ◽  
Vol 29 (21) ◽  
pp. 1764-1767 ◽  
Author(s):  
F. Parmigiani ◽  
Y. Jung ◽  
L. Gruner-Nielsen ◽  
T. Geisler ◽  
P. Petropoulos ◽  
...  
Keyword(s):  
Free Space ◽  
Multiple Input Multiple Output ◽  
Space Division Multiplexing ◽  
Space Division ◽  
Multiple Input ◽  
Input Multiple Output ◽  
Elliptical Core
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