scholarly journals Visible Light Communication (VLC) System with Reduced Peak to Average Power Ratio (PAPR) for High Speed Data Transmission

2019 ◽  
Vol 14 (1) ◽  
pp. 3860-3865
Author(s):  
S. Yogeeswaran ◽  
G.P. Ramesh
2020 ◽  
Vol 26 (11) ◽  
pp. 123-132
Author(s):  
Augustus Ehiremen Ibhaze ◽  
Frederick O Edeko ◽  
Patience E Orukpe

Visible light communication (VLC) is an upcoming wireless technology for next-generation communication for high-speed data transmission. It has the potential for capacity enhancement due to its characteristic large bandwidth. Concerning signal processing and suitable transceiver design for the VLC application, an amplification-based optical transceiver is proposed in this article. The transmitter consists of a driver and laser diode as the light source, while the receiver contains a photodiode and signal amplifying circuit. The design model is proposed for its simplicity in replacing the trans-impedance and transconductance circuits of the conventional modules by a simple amplification circuit and interface converter. The system was tested at communication distances of 1m and 3.5m using a terminal emulation program for data transfer between two computing devices.


2013 ◽  
Vol 596 ◽  
pp. 199-203 ◽  
Author(s):  
Yosuke Iijima ◽  
Yasushi Yuminaka

High-speed interfaces become an important role to achieve high performance VLSIsystems. This paper demonstrates a high-speed data transmission technique using Tomlinson-Harashima Precoding (THP). The THP can compensate for low-pass effect of an interconnec-tion at a transmitter, and it can also limit peak and average power of a transmitted signal. Inthis paper, a 200Mbps 4-PAM(Pulse-amplitude modulation) transmitter is designed and simu-lated to demonstrate the THP performance. The experimental implementation using an FPGAdemonstrates high-speed transmission over a long 3D2V coaxial cable.


2020 ◽  
Vol 8 (6) ◽  
pp. 5148-5152

Light fidelity is a upcoming technology for high speed data transmission and controlling home appliances. Visible light communication is the technology used in Li-Fi that uses Light emitting diodes. The evolution of Li-fi is to overcome the rate of speed and security in Wi-Fi. The photo diode in this will convert the flashes into electrical signal and it is amplified to provide output. The optical carrier for data transmission is between 400 THZ and 800THZ.The main advantage of Li-Fi is high density, high speed and high accuracy.


Author(s):  
Rajbir Singh

Optical networks are bandwidth efficient networks are used for long haul communication providing seamless data transfer. For high speed data transmission in open space between different satellites, Inter-satellite Optical wireless communication (IsOWC) is widely used .In this paper we have evaluated the performance of IsOWC communication link for high speed data transmission .The performance of the system is evaluated on the basis of qualitative parameters such as Q-factor and BER using optisystem simulator.


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