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free-space communication links

Outage Probability and Bit-Error Rate for Communication Systems with Gaussian-Schell Electromagnetism Beams in Non-Kolmogorov Raining Turbulence

Outage Probability and Bit-Error Rate for Communication Systems with Gaussian-Schell Electromagnetism Beams in Non-Kolmogorov Raining Turbulence

... in free space optical communication systems are rainfall and atmospheric ...for free-space communication links with spatial diversity and Gaussian-Schell electromagnetism ...

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An Algorithm of Wireless Sensor Network Based on Free Space Optical Communication

An Algorithm of Wireless Sensor Network Based on Free Space Optical Communication

... In general, FSO network can be divided into point-to-point, point-to-multipoint and mesh network structure, and user can choose appropriate topology according to actual application. The point-to-point is suitable for ...

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Performance Evaluation of Free Space Optical Wireless Communication

Performance Evaluation of Free Space Optical Wireless Communication

... on free space optics has become a momentum in research because of its cost effectiveness and efficiency in transferring data at a high rate that is comparable to that for optical fiber ...of free ...

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Design and Implementation of Free Space Optics

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 ...

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Forward-Error Correction Coding for Underwater Free-Space Optical Communication

Forward-Error Correction Coding for Underwater Free-Space Optical Communication

... acoustic communication for long- range wireless links, underwater free-space optical communication is a promising new tech- nology for short-range applications, offering high data rates ...

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A STUDY OF FREE SPACE OPTICS IN RADIO FREQUENCY COMMUNICATION

A STUDY OF FREE SPACE OPTICS IN RADIO FREQUENCY COMMUNICATION

... field. Free space optics is not the new innovation but rather has its profound root in the past to be utilized as a part of ...information communication could be ...In free space optics ...

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Underwater Free-Space Optical Communication Using Smart Transmitters and Receivers.

Underwater Free-Space Optical Communication Using Smart Transmitters and Receivers.

... optical communication systems [15, ...feasible communication for a given water condition, and/or increase the reliability of the link over a varying degree of water and environmental ...optical ...

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Improvement in Performance of Free Space Optical Communication

Improvement in Performance of Free Space Optical Communication

... system. Free-space point-to-point optical links can be implemented using infrared laser light, although low-data-rate communication over short distances is possible using ...of ...

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Analysis of Outage Probability and Diversity Gain for MIMO Free-Space Optical Links.

Analysis of Outage Probability and Diversity Gain for MIMO Free-Space Optical Links.

... Abstract—Free space optical (FSO) communication systems is a high bandwidth access technique which is gaining widespread attention compared to its wired communication ...FSO links is ...

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SPATIAL DIVERSITY TECHNIQUES IN MIMO WITH FREE SPACE OPTICAL COMMUNICATION

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 ...optical links have the ...

5

OFDM in Free Space Optical Communication System

OFDM in Free Space Optical Communication System

... Generally, an OOK system is more robust with regard to atmospheric distortion than a coherent modulation system. This is because for OOK the information is only encoded in intensity whereas PSK uses intensity and phase ...

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Free Space Optical Communication: A Review

Free Space Optical Communication: A Review

... WAN’s. Free space optical (FSO) wireless communication has emerged as a viable technology for bridging the gap in existing high date rate fibre network and as a temporary backbone for rapidly ...

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Free Space Optical Communication against Channel Fading

Free Space Optical Communication against Channel Fading

... intersatellite communication links,” IEEE ...wireless communication systems,” Optics ...in free-space optical communications systems impaired by pointing jitter and turbulence,” ...

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Analysis of the effect of BER and Q-factor on free space optical communication system using diverse wavelength technique

Analysis of the effect of BER and Q-factor on free space optical communication system using diverse wavelength technique

... The photon of the beam bouncing with haze particles in the mid-air caused a condition called as the absorption. It caused the link margin, distance and the availability of the link to reduce greatly [1]. Scattering is ...

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Investigating Wavelength Dependency of Terrestrial Free Space Optical Communication Link

Investigating Wavelength Dependency of Terrestrial Free Space Optical Communication Link

... Free space optical communication involves fiber-less optical based data transmission using visible and infrared bands of the ...of free space optical link for different ...

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Saturation in cascaded optical amplifier free space optical communication systems

Saturation in cascaded optical amplifier free space optical communication systems

... of free-space optical (FSO) communication as a viable approach for terrestrial short range access ...FSO communication systems are the rising demands for higher bandwidth and technological ...

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Evaluation of Free Space Optical Communication Link for Moderate Atmospheric Turbulence

Evaluation of Free Space Optical Communication Link for Moderate Atmospheric Turbulence

... This paper elaborates a detailed performance evaluation of Free Space Optical Communication system, for different temperature conditions at moderate atmospheric turbulence. Signal to Noise and bit ...

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Free Space Optical Communication System under Different Weather Conditions

Free Space Optical Communication System under Different Weather Conditions

... Figure 1 shows the basic concept and devices that have been used in designing. There are Pseudo- Random Bit Generator, NRZ Pulse Generator, CW Laser, Mach-Zender Modulator at transmission part; while, PIN photo detector ...

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Optical Transceiver Design And Geometric Loss Measurement For Free Space Optic Communication

Optical Transceiver Design And Geometric Loss Measurement For Free Space Optic Communication

... Free Space Optics (FSO) is an exelent supplement to conventional radio link and fiber ...optical free-space visible light transceiver as a basis for indoor wireless networking ...point ...

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DP DQPSK Optical Access System Integrated with Fiber and Free Space Downlink for High Spectral Efficiency Application

DP DQPSK Optical Access System Integrated with Fiber and Free Space Downlink for High Spectral Efficiency Application

... telescope, free space link and receiver ...The free space link distance between the transmitter and the receiver telescopes is 800 m, and the beam divergence is ...the free space ...

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