optical wireless communication systems
Adaptive modulation schemes for optical wireless communication systems
... diffuse optical link, where multipath distortion was present ...LOS systems, where multipath distortion was not regarded as significant compared to that of diffuse systems, since the interference ...
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Digital pulse interval modulation for indoor optical wireless communication systems
... Indoor optical wireless systems generally operate in the presence of intense ambient light, emanating from both natural and artificial ...average optical power requirement that is almost ...
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Application of wavelets and artificial neural network for indoor optical wireless communication systems
... communications; optical communications provide a number of advantages for the wireless ...the optical transmitter can emit highly directive beam and hence can have interference-free small cell ...
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Diversity Based on Oversampling Technique for PAM-4 in Optical Wireless Communication Systems
... Fig. 11. Quality of PAM signalling at the received end A.) PAM-4 eye diagram B.) Signal bandwidth. 5. Conclusions This work has been presented a diversity using oversampling method for PAM-4 modulation format in OWC. For ...
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Optical wireless communication systems employing dual header pulse interval modulation (DH PIM)
... Unless the channel is non-dispersive, for an Si sequence o f m slots, c* will contain m taps: a single precursor tap, a zero tap co, which has the largest magnitude, and (m-2) post-cursor taps. Thus, only the penultimate ...
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Recent developments in indoor optical wireless systems
... When using binary modulation, OOK is preferred for simplicity, even though it suffers some- what from multipath dispersion at high bit rates. For more sophisticated requirements, PPM is attractive, with 4-PPM offering ...
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A review of communication oriented optical wireless systems
... RF wireless solutions when they are either too costly to deploy, create undesirable interfer- ence, or are not feasible at ...OW systems support 10 Gb/s Ethernet, which equals the bandwidth provided by ...
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Optical wireless MIMO communication
... experimental systems and fitted mathematical relationships have not been obtained ...experimental systems using different modulations to describe the detailed process and the experiment methodology in ...
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Optical Wireless Link Budget Analysis for Optical Wireless Communication Networks
... optical communication systems to illustrate the optical losses that happens during ...presented optical wireless links which offer ultra multi gigabit per second data rates and ...
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MIMO MC-CDMA systems over indoor optical wireless communication channels
... multimedia communication, in general, has focused interest on optical wireless where a large bandwidth is potentially available [102, ...these systems due to receiver proximity to a diffusing ...
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Designing a wireless underwater optical communication system
... This system shows that LED-based wireless optical communication systems are a viable solution to high speed, moderate distance data transmission applications... Autonomou[r] ...
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A Review on Inter Satellite Optical Wireless Communication
... Radhika Radhakrishnan et al. (2016) [54] states that, an entire new session of navigation tasks, communications, remote sensing is aided by small satellite systems. They also enable research in scientific era for ...
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A Review on Indoor Optical Wireless Systems
... to cover a given area and data rates are limited by multipath. There is also a higher risk of eye exposure. In simultaneous two way communications, each receiver collects its own transmitted reflections which are some ...
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Optical Wireless Communication System using VLC Technology
... in wireless communication systems, ...of communication systems, as shown in Figure 1, within the bandwidths between 300 kHz and 4 ...
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Performance Evaluation of Free Space Optical Wireless Communication
... ABSTRACT Radio 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 media. The ...
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Circuits and Systems for Wireless Concurrent Communication
... like optical-proximity correction, phase-shift mask, strain silicon, high-K gate oxide, metal gate, low-K dielectric, VLSI synthesis, fast-SPICE algorithm [60], ...
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Wireless Control Communication for Mechatronic Systems
... on wireless ZigBee communication protocol and electro-optical data monitoring as a promising solution for industrial ...III. Wireless communication based on ZigBee protocol ZigBee is a ...
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Underwater Wireless Optical Communication
... underwater optical wireless links are feasible at high data rates for medium distances, up to a hundred ...hybrid communication system can provide high data rate transmission by using optical ...
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Optical Communication Systems
... The optical fiber outputs the electromagnetic radiation having the second polarization axis representing a second binary state and emitted from the second laser, when the second output o[r] ...
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Challenges in Optical Wireless Communication Networks
... emerging wireless LAN technolo- ...light communication and op- tical wireless communication was ...the optical wireless physical layer with special attention to modulation ...
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