Browsing by Author "Hilal Adnan, Fadhil"
Now showing items 1-15 of 15
-
Design considerations of high performance optical code division multiple access: A new spectral amplitude code based on laser and light emitting diode light source
Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid, Prof. Madya; R. Badlishah, Ahmad, Prof. Madya Dr. (The Institution of Engineering and Technology, 2010-02-01)A new code of optical code division multiple access (OCDMA) based on spectral amplitude coding (SAC) is described and analysed. The coding technique is called random diagonal (RD) code. One of the important properties of ... -
Development of a new code family based on SAC-OCDMA system with large cardinality for OCDMA network
Thanaa Hussein, Abd; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil; R. A., Ahmad; Mohamad Naufal, Mohamad Saad, Dr. (Elsevier Inc., 2011-07)We have proposed a new Multi-Diagonal (MD) code for Spectral Amplitude - Coding Optical Code Division Multiple Access (SAC-OCDMA). Although this new MD code has many properties, one of the important properties of this code ... -
Development of new code for optical code division multiple access systems
Hilal Adnan, Fadhil (Universiti Malaysia PerlisSchool of Computer & Communication Engineering, 2010)The main arguments for using Optical Code Division Multiple Access (OCDMA) are the flexibility of an asynchronous access method, increased security and graceful degradation. Over the last decade, many codes were proposed ... -
Effects of the Random Diagonal code link parameters on the performance of an OCDMA scheme for high-speed access networks
Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid; R.Badlishah, Ahmad (Elsevier Inc., 2009-06)In this paper, we study the performance of optical code-division multiple access (OCDMA) systems using Random Diagonal (RD) code under various link parameters. This code which can be constructed using address segment and ... -
Multi-rate transmissions on spectral amplitude coding optical code division multiple access system using random diagonal codes
Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid; R.Badlishah, Ahmad (Institute of Physics, Wroclaw University of Technology, 2009)In this paper, we study the use of a new code called random diagonal (RD) code for spectral amplitude coding (SAC) optical code division multiple access (OCDMA) networks, using fiber Bragg-grating (FBG). FBG consists of a ... -
New code structure for spectral amplitude coding OCDMA system
Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid; R. Badlishah, Ahmad (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. ... -
A new three-dimensional code for OCDMA system
Rasim Azeez, KadhimMany codes have been proposed for incoherent OCDMA based on one-dimensional (1-D), two-dimensional (2-D), and three-dimensional (3-D) by exploiting one or more resources simultaneously. The 3-D Perfect Difference (3-D PD) ... -
One EDFA loop in 16 channels spectrum slicing WDM for FTTH access network
Aldouri, Muthana Y.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Anuar, Mat Safar; Hilal Adnan, Fadhil; Ahmed, N. (Institute of Electrical and Electronics Engineers (IEEE), 2010-07-05)In this paper the improved versions of modified demultiplexer operating for 16 channel multi users with and without EDFA are proposed for slicing WDM systems. The spectrum-sliced WDM channel operating at high data rate ... -
Performance of optical OFDM systems using new PAPR reduction approach
Hilal Adnan, Fadhil; Hasoon, Feras N.; Syed Alwee Aljunid, Syed Junid; Ahmad, H. Y.; Hamza Mohammed Ridha, Al-Khafaji (EBSCO Publishing., 2012-03)The major drawback of optical orthogonal frequency division multiple access (OFDM) system is their inherent intensity noise and peak average power ratio (PAPR). We introduce a new direct detection receiver based on PAPR ... -
Performance of random diagonal code for OCDMA systems using new spectral direct detection technique
Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid; R. Badlishah, Ahmad (Elsevier Inc, 2009-01-31)This paper studies the performance of random diagonal (RD) code for spectral-amplitude coding OCDMA (SAC-OCDMA) system using a newly proposed spectral direct detection technique. RD code is constructed using code segment ... -
Performance of random diagonal code for OCDMA systems using new spectral direct detection technique
Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid; R. Badlishah, Ahmad (Elsevier Inc., 2009-06)This paper studies the performance of random diagonal (RD) code for spectral-amplitude coding OCDMA (SAC-OCDMA) system using a newly proposed spectral direct detection technique. RD code is constructed using code segment ... -
Power-limited spectral amplitude coding OCDMA system using random diagonal code with and without optical amplifiers
Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid; R. Badlishah, Ahmad (Institute of Electrical and Electronics Engineering (IEEE), 2008)A new code structure for spectral amplitude coding in optical code division multiple access (OCDMA) systems called Random Diagonal (RD) code is proposed. RD code is constructed using code level and data level. One of the ... -
Random diagonal codes for spectral amplitude coding optical CDMA systems using fiber Bragg-Grating
Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid; R. Badlishah, Ahmad (Institute of Electrical and Electronics Engineering (IEEE), 2008-08-26)In this paper we study the use of a new code called Random Diagonal (RD) code for Spectral Amplitude Coding (SAC) optical Code Division Multiple Access (CDMA) networks, using Fiber Bragg-Grating (FBG), FBG consists of a ... -
Triple Play Services- Based on New OCDMA Codes Utilizing FPGA Platform
Syed Alwee Aljunid, Syed Junid, Assoc. Prof. Dr.; Anuar, Mat Safar, Ir.; Hilal Adnan, Fadhil; Mohammad Nazri, Md. Noor (Malaysian Invention and Design Society (MINDS), 2010-05-14)Triple-play servis (Voice, Video, and Data) are emerging as the key driver for telecom investment, with several factors driving this convergence. Triple play service is a product of High Speed Broadband (HSBB), the new ... -
Triple-play services using random diagonal code for spectral amplitude coding OCDMA systems
Hilal Adnan, Fadhil; Syed Alwee Aljunid, Syed Junid, Prof. Madya; R. Badlishah, Ahmad (Fachverlag Schiele and Schoen GmbH, 2009)In this paper, a new code called Random Diagonal (RD) code for spectral amplitude coding optical code division multiple access (OCDMA) networks is presented. This code is compared with other codes like MQC, MFH and Hadamard ...