optical free-space communication systems
Underwater Free-Space Optical Communication Using Smart Transmitters and Receivers.
... underwater systems [13, 14] as well as in atmospheric optical communication systems [15, ...Underwater optical systems can benefit from FEC in a variety of ...feasible ...
154
Modeling of RF Waves in Free Space Optical Communication System Under Gamma-Gamma Turbulent Channel Effect
... of optical microwave over free space communication system by taking into account Gamma-Gamma turbulent channel model and attenuation ...of optical RF waves, OSSB and ...
6
High-speed Orbital Angular Momentum Multiplexed Free-space Optical communication systems
... GHz optical interleaver (IL) is employed to separate the odd and even ...additional optical fiber and combined using a 3-dB ...an optical tunable filter ...3-dB optical coupler, followed by an ...
10
Design and Implementation of Free Space Optics
... Free space optics (FSO) is a wireless communication technology in which the line of sight technology is ...kilometres. Free-space-optical links can be implemented using ...
5
Analysis of the Effect of Foggy Condition in FSO System at the Distance 900M with 6GBPS
... past Free Space Optical (FSO) communication has taken over the radio frequency communication and microwave systems due to its advantages such as ,its long-range operations devoid ...
5
Role of Wavelength Division Multiplexing Scheme in Free Space Optical Communication Systems
... The proposed FSO link is varied from 16 km to 20 Km for analysing the system response. Figure 2 signifies system performance in terms of minimum bit error rate and maximum Q factor with respect to free ...
5
SPATIAL DIVERSITY TECHNIQUES IN MIMO WITH FREE SPACE OPTICAL COMMUNICATION
... telecommunication, Free Space Optics [FSO] provides an optical communication technology which uses light energy to transmit the information from one point to another ...the optical ...
5
Free Space Optical Communication against Channel Fading
... in free space optical channel is impaired predominantly by multi-path ...wireless systems, popularly known as MIMO (multiple-input multiple-output) technology, has rapidly gained in popularity ...
5
Improvement in Performance of Free Space Optical Communication
... and space at the plane of a receiver detecting the optical ...the optical signal will be highest when the temperature of the day is at the maximum level, this occurs usually during ...FSO ...
5
A Survey of Free Space Optical Communication Network Channel over Optical Fiber Cable Communication
... and free space optics because of their matching nature. Radio and free space link communication, both have the capacity to use both at a ...single communication system. Both are ...
5
Optical Transceiver Design And Geometric Loss Measurement For Free Space Optic Communication
... the optical carrier can be modulated in its frequency, amplitude, ...In optical systems it is referred to as on-off keying ...coding systems such as Manchester coding, which is related to RZ ...
9
Comparison the Performance of Free-Space Optical Communication with OOK and BPSK Modulation under Atmospheric Turbulence
... Free-space optical communications (FSO) propagated over a clear atmosphere suffers from irradiance fluctuation caused by small but random atmospheric temperature ...of free space ...
9
Optimization of Self-Adaptive High Anti-Radiation EDFA for Space OCS: A Review
... in Space communication ...ground-to-satellite communication system with EDFA and observed the BER performance influenced by space radiation, EDFA’s gain decreased by 2 ...of optical ...
8
Performance Evaluation of Free Space Optical Wireless Communication
... The simulation of this work is carried out for various values of M (the number of symbols on the carrier) in the M-ary modulation. Two different modulations, PSK and QAM, are considered here. As is conventional, the ...
5
Relay-Assisted Free Space Optical (FSO) Communication with LDPC Coding and Convolutional Coding
... coded Free Space Optical communication employing On-Off Keying (OOK [5], Binary Phase Shift Keying (BPSK), Q-ary Pulse Position Modulation (QPPM) as modulation ...FSO communication ...
8
Analysis of the effect of BER and Q-factor on free space optical communication system using diverse wavelength technique
... atmospheric mitigation techniques to overcome the limitation of FSO. The study is focused more on the effects of haze on the FSO systems. Weather conditions are to be studied in detail before installing FSO ...
5
Free Space Optical Communication
... an optical link. The integration of optical wavelengths will improve the quality of ...which Free Space Optical Communication offers a higher bandwidth link at faster speeds ...
46
Free Space Optical Communication: A Review
... cellular systems: Wireline connections such as T1/E1 leased lines and microwave links are typically deployed between the base stations and the mobile switching center in a cellular ...
5
Investigating Wavelength Dependency of Terrestrial Free Space Optical Communication Link
... FSO has now become a commercially viable technology to radio frequency (RF) and millimetre wave wireless systems and it is being used for the reliable and rapid deployment of data, voice and video within the ...
6
Degradation Measures in Free Space Optical Communication (FSO) and its Mitigation Techniques A Review
... FSO systems can be a good way out for some broadband networks requirements due to many advantages but there are some restrictions that limit its ...to optical power, transmission bandwidth, divergence ...
5