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Now showing items 1-10 of 11
New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power
(EDP Sciences, 2017)
This paper proposes an integration of optical Code Division Multiple Access (OCDMA) with new catenated Orthogonal Frequency Division Multiplexing (OFDM) modulation scheme. This effective combination based on Zero Cross ...
Investigation on Heavy Precipitation Effects over FSO Link
(EDP Sciences, 2017)
This paper has examined the performance of free space optic system and scattering effects over the laser propagation. Analysis result based on Optisystem simulation software and rain data collected from Malaysia Meteorological ...
Effective design for Optical CDMA based on radio over fiber (RoF) technique
(EDP Sciences, 2017)
In this paper, the performance of OCDMA coding systems utilizing the radio over fiber (RoF) technique is presented. It has been done by means of conventional OptiSystem simulation tools, where the propagation of radio ...
Performance evaluation of downlink design based on free space optical system
(EDP Sciences, 2017)
In this paper, the performance of downlink design utilizing the free space optic (FSO) is presented. The permissible BER of 10-58 is achieved when the system utilized 40 cm aperture diameter. The highest system sensitivity ...
Comparison between Conventional OCDMA and Subcarrier Multiplexing SAC OCDMA System Based on Single Photodiode Detection
(EDP Sciences, 2017)
This paper demonstrates the comparison between conventional OCDMA system and subcarrier multiplexing (SCM) SAC-OCDMA system by applying Recursive Combinatorial (RC) code based on single photodiode detection (SPD). SPD is ...
Optical Generation of 80 GHz Downstream Data in Radio over Fiber System Based on Stimulated Brillouin Scattering
(EDP Sciences, 2017)
In this work, we proposed Stimulated Brillouin Scattering (SBS) in an optical generation of millimeter waves (mm-waves) for radio over fiber (RoF) system with the transmission of 2.5 Gbps data rate. SBS method is achieved ...
Compressing Turbulence Effect in FSO using New Modulation Technique
(EDP Sciences, 2017)
Diffusers transmitter modulation to reduce the effect of atmospheric turbulence in free space optical communication system is described in this paper. This technique uses dual transmitters and dual receivers which are using ...
Performance comparison of Triangle Antenna of 60 GHz for 5G Wireless Communication Network
(EDP Sciences, 2017)
In this paper microstrip triangle with slot antenna for 5G wireless communication network are proposed. The microstip triangle antenna is design and operating 60 GHz milimeter-wave frequency band and it's suitable for 5G ...
Performance Evaluation of a Novel Optimization Sequential Algorithm (SeQ) Code for FTTH Network
(EDP Sciences, 2017)
The SeQ codes has advantages, such as variable cross-correlation property at any given number of users and weights, as well as effectively suppressed the impacts of phase induced intensity noise (PIIN) and multiple access ...
60 GHz Milimeter-Wave Antennas for Point-to-Point 5G Communication System
(EDP Sciences, 2017)
In this paper microstrip patch antenna for millimeter-wave is proposed. Evolution of shape microstrip antenna are designed which is from rectangular antenna to triangle antenna and changed to triangle with slot. The proposed ...