free-space optical communication links
Forward-Error Correction Coding for Underwater Free-Space Optical Communication
... FSO links could be an enabling technology, allowing mobile nodes in the form of AUVs to collect vast amounts of scientific data, then bring the data back to a central storage location and quickly download the data ...
160
Analysis of the Effect of Foggy Condition in FSO System at the Distance 900M with 6GBPS
... Free space means medium comprising of air, vacuum and outer space. Free-space optical communication (FSO) is an optical communication technology which is ...
5
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
Architectural Analysis of Spectrum Sliced Wavelength Division Multiplexed Free Space Optical Communication
... In this paper we have analyzed a spectrum sliced WDM FSO system with various modulation formats such as RZ, NRZ, CSRZ, and DRZ at 2.5 Gb/s bit rate by varying link range 1 to 5 km with clear weather atmospheric ...
7
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 ...
10
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
Short Range Underwater Optical Communication Links
... comparing optical systems with pulsed RF systems such as ...for optical free space communications over substantial distances multi-path, or multiple bounces off light the environment, are not ...
117
Free Space Optical Communication against Channel Fading
... incoherent optical intersatellite communication links,” IEEE ...on optical wireless communication systems,” Optics ...in free-space optical communications systems ...
5
Analysis of Outage Probability and Diversity Gain for MIMO Free-Space Optical Links.
... the communication link, giving rise to atmospheric fading and due to misalignment between receiver and transmitters, causing the signal intensity to drop at the receiver causing turbulence-induced ...
7
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 ...
5
High-speed Orbital Angular Momentum Multiplexed Free-space Optical communication systems
... Optical communication systems are usually deployed over fiber-optic links [1-4] and free-space optical links ...of optical communications ...capacity-approaching ...
10
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 ...
12
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 ...
5
Degradation Measures in Free Space Optical Communication (FSO) and its Mitigation Techniques A Review
... two links is required depending upon the atmospheric ...different optical wavelengths suffer different attenuation but the use of longer wavelengths having high penetration against fog, can overcome the ...
5
Underwater Free-Space Optical Communication Using Smart Transmitters and Receivers.
... In addition to potentially reducing pointing and tracking requirements, this design also potentially allows one to estimate angle of arrival. This can be used in combination with a CDMA type multiple access system. Thus, ...
154
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 ...
5
Free Space Optical Communication: A Review
... of optical fibre has seen its exploding growth in the last few decades in the LAN’s and ...WAN’s. Free space optical (FSO) wireless communication has emerged as a viable technology for ...
5
Polarization Shift Keying Modulation: A Novel Modulation Technique for FSO Systems
... Free-space optical communication (FSO) refers to communication of optical data over unguided propagation ...based links have been developed for establishing ...
6
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 ...
7
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