[PDF] Top 20 High data rate optical wireless communication system using millimeter wave and optical phase modulation

High data rate optical wireless communication system using millimeter wave and optical phase modulation

... OWC system to the communication ...OWC system affected by problems such as the LOS alignment with the transmitter and the receiver module because of external weather conditions like wind sway or weak ... See full document

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IMPLEMENTATION AND PERFORMANCE EVALUATION OF MIMO TECHNIQUE FOR HIGH DATA RATE WIRELESS OPTICAL COMMUNICATION SYSTEM IN TURBULENT ATMOSPHERE

... 725 | P a g e The transmitter unit is a LD which is commonly used in real field FSO systems with two wavelengths 650 nm and 850 nm to study the effect of wavelength in this system. One source has been used in ... See full document

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Fuzzy inference system based adaptive modulation scheme for optical wireless communication

... An optical wireless communication system is an attractive alternative to radio, primarily because of a virtually unlimited, unregulated ...The optical spectrum is a universally ... See full document

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A novel scheme for optical millimeter wave generation using MZM

... radio-over-fiber system which employs a frequency multiplier scheme to generate optical millimetre wave (MMW) based on external modulation performed using two cascaded Mach-Zehnder ... See full document

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Performance of Bit Error Rate and Q-Factor for OFDM-RoF System using QAM Modulation

... the data packet can travel through different modulation formats such as PSK (Phase Shift Keying) and QAM (Quadrature Amplitude ...low data rate stream using QAM and PSK ... See full document

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Study of Inter Satellite Optical Wireless Communication System with different Modulation Techniques

... Is-OWC system by using Quadrature Phase Shift Keying ...error rate and eye diagrams were ...this system was compared with the system designed by ...bit rate of ... See full document

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BER Performance Analysis of an LDPC Coded OFDM Optical Wireless Communication System with Intensity Modulation and a Direct Detection Receiver

... Optical wireless (OW) communication systems are very much popular in recent days for its high speed data rate and bandwidth capacity ...OW communication system may ... See full document

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Ber Performance of High Data Rate Wireless Optical System for Short Distance

... of wireless optical communication systems which can be used for short distance application area like indoor, office, small factories ...etc. Wireless optical communication link ... See full document

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Adaptive differential amplitude pulse position modulation technique (DAPPM) using fuzzy logic for optical wireless communication channels

... Traditionally, wireless technology is always associated with radio transmission, although transmission by carriers other than radio frequency (RF) waves, such as optical waves, might be more advantageous ... See full document

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A Noval Approach For Optimization OF PHYSICAL LAYER FOR WIRELESS AND MOBILE COMMUNICATION

... [5] A. Ghosh, T. A. Thomas, M. C. Cudak, R. Ratasuk, P. Moorut, F. W. Vook, T. S. Rappaport, G. MacCartney, S. Sun, and S. Nie, “Millimeter wave enhanced local area systems: A high data ... See full document

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Quadrature Amplitude Modulation All Optical Orthogonal Frequency Division Multiplexing-dense Wavelength Division Multiplexing-optical Wireless Communication System under Different Weather Conditions

... The optical signals transmitted through the channel will suffer from the atmospheric effects like particles dust and different rain rates in the ...and phase noise of the signals are brought to a different ... See full document

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Optical millimeter wave signal generation with frequency 16-tupling using cascaded MZMs and no optical filtering for radio over fiber system

... successively phase-shifted by 45 degrees, we obtain peak power only in the 8th harmonic on either side, while completely eliminating and suppressing the other harmonics including the carrier, the presence of which ... See full document

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FPGA Implementation of QPSK modulator by using Hardware Co-simulation

... transmitting data signal over carrier signal to minimize the distortion in ...Digital modulation, the digital information is transferred as a series of ones (1) and zeros(0) as input signal and amplitude, ... See full document

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Performance analysis of indoor optical wireless CDMA system using optical zero cross correlation Code

... developed system which consists of N transmitters and N ...an optical zero cross correlation code (ZCC) for each ...the optical transmitted signal in the system, and then decoded by the ... See full document

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PERFORMANCE COMPARISON OF DD-DPSK-OFDM AND CO-DPSK-OFDM IN ISOWC SYSTEMS

... intersatellite optical wireless system at 10 Gbps using coherent optical differential phase shift keying based orthogonal frequency division multiplexing is investigated in this ... See full document

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An Asymmetric image encryption based on Fresnel Transform using Spiral Phase Mask and Hybrid Mask

... The joint mask SPM consist of FZP [24] and RHM [25] .The FZPs are the diffractive optical element (DOE) which cannot be replicated. The usage of these keys will make the scheme much safer and helps in increasing ... See full document

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Comparison of Polarization Shift Keying and Amplitude Shift Keying Modulation Techniques in FSO

... other modulation techniques, PolSK is used the optical wave vector properties, encoding digital information to polarization state of transmit optical ...laser communication with ... See full document

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Digital Modulation Techniques for Performance Exploration of Optical Wireless Channels

... a modulation schemes that disposes of all the empty time slots presented by each symbol hence showing a higher transmission ...of data is done among neighboring pulses as a number of discrete time intervals ... See full document

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Photonic antenna for long range wireless communication

... Yu et al. integrated printed slot antenna with high power photodiode (PD). Integration began with simple circuit model of photonic antenna (PD-matching circuit-slot antenna), then minimizing loss resistance of ... See full document

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DATA RATE ANALYSIS AND COMPARING THE EFFECT OF FOG AND SNOW FOR FREE SPACE OPTICAL COMMUNICATION SYSTEMEr. Sagar, Dr. Rajesh Goel

... As light propagates through the atmosphere, it can get scattered multiple times, which results in a glow around the light source in the image. Multiple scattering can be neglected in clear air or light rain, but becomes ... See full document

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