Browsing School of Computer and Communication Engineering (Articles) by Title
Now showing items 152-171 of 281
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Nano and micro porous GaN characterization using image processing method
(Elsevier GmbH, 2012-06)This work reports the fabrication of porous N-GaN structures and their quantitative structural characteristic study based on mathematical morphology analysis using scanning electron microscope (SEM) images. The evaluation ... -
New approach for evaluation of the performance of spectral amplitude coding-optical code division multiple access system on high-speed data rate
(The Institution of Engineering and Technology, 2012-08-14)In this study, the authors proposed a new approach to evaluate the system performance of spectral amplitude codingoptical code division multiple access (SAC-OCDMA) systems. The system performance is evaluated based on a ... -
New approach of Double Weight Code Family Detection using reduced set of Fiber Bragg Gratings
(Institute of Electrical and Electronics Engineering (IEEE), 2007)To increase the number of users in the double weight (DW) code family, a mapping technique is applied. This mapping technique increases the number of users but at a cost of unfixed cross-correlation property. The complementary ... -
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 ... -
A new code design for spectral amplitude coding optical CDMA systems using fiber bragg-grating
(Spinger, 2013-01)In this paper, we present the performance of a new code called Dynamic Cyclic Shift (DCS) code for Spectral Amplitude Coding (SAC) optical Code Division Multiple Access (CDMA) networks, using Fiber Bragg-Grating (FBG). FBG ... -
New code structure for spectral amplitude coding in OCDMA system
(The Institute of Electronics, Information and Communication Engineers, 2007)A new code structure for spectral amplitude coding optical code division multiple access system, based on Double Weight (DW) code families is proposed. The DW code has a, fixed weight of two. Modified Double Weight (MDW) ... -
New code structure for spectral amplitude coding OCDMA system
(The institute of Electronics, Information and Communication Engineers (IEICE), 2008-10)A new code structure for spectral amplitude coding in optical code division multiple access (OCDMA) systems called Smart Direct Detection (SDD) code is proposed. SDD code is constructed using code segment and data segment. ... -
New design of Flexible Cross Correlation (FCC) code for SAC-OCDMA system
(Elsevier B.V., 2013)In this paper, we present, several aspects of unipolar optical code-division multiple access (OCDMA) codes, focusing on the flexible inphase cross-correlation code algorithm and its potential for future optical networks. ... -
New design of spectral amplitude coding in OCDMA with zero cross-correlation
(Elsevier B.V. (Imprint: NORTH-HOLLAND), 2009-07)A zero cross-correlation (ZCC) code is proposed to reduce the impact of system impairment and multiple access interference (MAI) in spectral amplitude coding optical code division multiple access (SAC-OCDMA) system. ... -
A new FWM reduction technique based on damping selective wavelengths
(Ukrainian Journal of Physics., 2013)This paper proposes a new method that can suppress the four-wave mixing using an Optical Drop Multiplexing (ODM) technique. The four-wave mixing (FWM) behavior and the performance of wavelength division multiplexing (WDM) ... -
A new perceptual mapping model using Lifting Wavelet Transform
(EDP Sciences, 2017)Perceptual mappingapproaches have been widely used in visual information processing in multimedia and internet of things (IOT) applications. Accumulative Lifting Difference (ALD) is proposed in this paper as texture mapping ... -
A new two-code keying scheme for SAC-OCDMA systems enabling bipolar encoding
(Taylor & Francis, 2014-03)In this paper, we propose a new two-code keying scheme for enabling bipolar encoding in a high-rate spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) system. The mathematical formulations are ... -
A new ultrasonic exponential decay pulser technique for low concentrations detection and measurements
(Praise Worthy Prize S.r.l., 2013)The objective of this study was to design and implement a new ultrasonic pulser with adjustable concentration detection. The new technique based on transmits a multiple ultrasound pulses with decay power through slurry to ... -
A new ultrasound pulser technique for wide range measurements
(IOP Publishing Ltd, 2013)The objective of this research was to design and implement a new ultrasonic pulse-power-decay technique that transmits multiple ultrasound pulses through slurry to determine the lowest concentration that can provide an ... -
A novel 1.575-GHz dual-polarization textile antenna for GPS application
(Wiley Periodicals, Inc, 2013-10)This article presents a novel dual-polarization textile antenna (DPTA) for Global Positioning System applications. In this design, four sector radiating elements are centrally fed by a coaxial probe. A novel antenna structure ... -
A novel 2.45GHz switchable beam textile antenna (SBTA) for outdoor wireless body area network (WBAN) applications
(EMW Publishing, 2013)A novel switchable beam textile antenna (SBTA) for wireless body area network (WBAN) applications is proposed. The SBTA is centrally-fed by a coaxial probe and the power distributed over four circular radiating elements. ... -
A novel approach evaluation for enhancing networks
(Elsevier B.V., 2013)This study reveals for a creation of a system that has the ability to prove the technical feasibility and the advantages of a joint Radio Frequency and fiber optic system with self-trace directional control between deployed ... -
A novel beam steering of hybrid switchable beam textile antenna
(Wiley Periodicals, Inc, 2013-08)A novel hybrid switchable beam textile antenna (HSBTA) is proposed in this research. The HSBTA introduced by a coaxial probe technique to feed current flow to center of HSBTA and distribute the current to four circles of ... -
Novel compact "via-less" ultra-wide band filter utilizing capacitive microstrip patch
(EMW Publishing, 2009)This paper presents a novel compact "via-less" UWB filter derived from a quarter-wavelength short-circuited stubs model. In this compact "via-less" UWB filter, there is no connecting vias as short circuit elements. Unlike ... -
Novel compact microstrip ultra-wideband filter utilizing short-circuited stubs with less vias
(EMW Publishing, 2008)We present here a new pattern with compact size of Ultra Wideband (UWB) microwave filter. The filter is based on quarter-wave length short-circuited stubs model. We introduced here a new schematic model by extracting all ...