Browsing Syed Alwee Aljunid Syed Junid, Prof. Ir. Ts. Dr. by Title

Now showing items 7-26 of 123

    • Cardinality enhancement of spectral/spatial modified double weight code optical code division multi-Access system by PIIN suppression 

      Amir Razif Arief, Jamil Abdullah, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Anuar, Mat Safar, Ir. Dr.; Junita, Mohd Nordin; R. Badlishah, Ahmad, Prof. Dr. (Elsevier GmbH, 2013-10)
      A new two-dimensional (2-D) optical code division multiple access (OCDMA) scheme to increase the achievable system capacity is proposed. The code exhibits good cross-correlation property time and wavelength shift. Performances ...

    • Channel spacing effect on SAC-OCDMA system based modified-AND subtraction detection scheme 

      Norazimah, Mat Zain; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hamza Mohammed Ridha, Al-Khafaji; Hilal Adnan, Fadhil, Dr.; Anuar, Mat Safar, Ir. Dr. (Trans Tech Publications, 2014)
      This paper focuses on the performance of different channel spacing with AND as well as modified-AND subtraction detection techniques emphasizing the spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) ...

    • Clear fluid detector using Optical technique 

      Siti Nasuha Zainal Abidin (Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-04)
      Nowadays, the optical technologies are very young in Malaysia. This technology still in the research to changes the sensor technologies. The detector requirement are very similar to those of optoelectronic sources; that ...

    • Cognitive wireless sensor actor network: an agricultural perspective 

      Naseer, Sabri; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Muhammed Sabri, Salim; Rezuwan, Kamaruddin, Prof. Ir. Dr. Hj.; R. Badlishah, Ahmad, Prof. Dr.; Mohd Fareq, Abd Malek, Dr. (ICIC International, 2014-04)
      Intelligent environments are exposing the next revolutionary steps of development technologies in automation of building, industrial, home, and transportation systems. The new generation of Wireless Sensor Actor Networks ...

    • Comparison between Conventional OCDMA and Subcarrier Multiplexing SAC OCDMA System Based on Single Photodiode Detection 

      Nur Amirah Amni, Ahmad; Junita, Mohd Nordin; Syed Alwee Aljunid, Syed Junid; Mohd Rashidi, Che Beson; Rosdisham, Endut (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 ...

    • Comparison between two types of computer for Industrial Ethernet performance 

      Handy, Ali Munir; Nordin, Saad, Assoc. Prof. Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Ahmad Mujahid, Ahmad Zaidi, Dr.; Muhammad Kamarul, Baharin (Trans Tech Publications, 2012)
      Ethernet is now the dominant networking in the home and office environment. Advanced of the network technology and convergence of communications, control and computer enabled the Networked Control System (NCS). Industrial ...

    • Comparison of single mode fiber and multimode fiber in deployment of SCM-OCDMA in local area network 

      Aliaa Mamoun, Kabbour; Hilal Adnan, Fadhil, Dr.; Angela, Amphawan; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Mohammad K.H., Al Mustafa (Trans Tech Publications, 2013-12)
      The integration of heterogeneous technologies promotes ubiquity and mobility. Optical code division multiple access (OCDMA) may be deployed in conjunction to SCM to improve the spectral efficiency and enhance the data rate ...

    • Comparison of wavelength propagation for free space optical communications 

      Naimullah, B. S S; Mohamad, Othman; Rahman, A. K.; Suzana, I. Sulaiman; Ishak, S.; Salasiah, Hitam; Syed Alwee Aljunid, Syed Junid (Institute of Electrical and Electronics Engineering (IEEE), 2008)
      This paper presents the effect of atmospheric attenuation during severe hazy days for Free Space Optical Communications. The usage of Free Space Optical Communications is still rare in Malaysia due to environment factor. ...

    • Construction of a new code for spectral amplitude coding in optical code-division multiple-access systems 

      Hasoon, Feras N.; Mohamad Khazani, Abdullah; Syed Alwee Aljunid, Syed Junid; Sahbudin, Shaari (Society of Photo-Optical Instrumentation Engineers (SPIE), 2007-07)
      An enhanced code structure for spectral amplitude coding in optical code division multiple access systems based on double weight (DW) code families is proposed. Enhanced double weight (EDW) codes possess ideal cross-correlation ...

    • A cost-effective method for high-quality 60GHZ optical millimeter wave signal generation based on frequency quadrupling 

      Nael Ahmed, Al-Shareefi; Syed Idris, Syed Hassan, Prof. Dr.; Mohd Fareq, Abd. Malek, Dr.; Razali, Ngah, Assoc. Prof. Dr. ; Sura A., Abbas; Syed Alwee Aljunid, Syed Junid, Prof. Dr. (EMW Publishing, 2013)
      In this paper, we present a cost effective method to generate a high-quality quadruple frequency optical millimeter- wave (MMW) signal using an integrated dual-parallel Mach-Zehnder modulator (IDP-MZM). Not only does the ...

    • Design and Implementation of an Embedded Smart Intruder Surveillance System 

      Naseer, Sabri; M. S., Salim; Sarah, Fouad; Syed Alwee Aljunid, Syed Junid; Fahad Taha, AL-Dhief; Mohd Rashidi, Che Beson (EDP Sciences, 2018)
      Remote and scattered valuable and sensitive locations such as labs and offices inside university campus need efficient monitoring and warning system. As well as scattered area and belonging. This research presents a Real-Time ...

    • Design and simulation a new code with zero cross-correlation for SAC-OCDMA networks 

      Thanaa Hussein, Abd; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlishah, Ahmad, Prof. Dr. (INSInet Publications, 2012-03)
      Design and simulation of new code family for the Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA) networks is present. The new code family called Multi Diagonal (MD) code. The MD code family ...

    • 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 ...

    • Design of encoder and decoder module for optical code division multiple access (OCDMA) systems for zero cross correlation (ZCC) code based on arrayed waveguide gratings (AWGs) 

      Syed Mohamad Hamzah, Al-Junid; Sahbudin, Shaari; Syed Alwee Aljunid, Syed Junid; Anuar, Mat Safar (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      We apply the Arrayed Waveguide Grating (AWGs) method for Encoder and Decoder design for complete transmitter and receiver system. The Encoder and Decoder module will be using the AWG to encode and to decode optical source ...

    • Design of spectral amplitude coding optical code-division multiple-access system using random diagonal codes 

      Fadhil, H. A.; Syed Alwee Aljunid, Syed Junid; R. Badlishah, Ahmad (Fachverlag Schiele & Schoen GmbH, 2008)
      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, RD code is constructed using code level and data ...

    • Development of a new approach for high-quality quadrupling frequency optical millimeter-wave signal generation without optical filter 

      Nael A., Al-Shareefi; Syed I., S. Hassan; Mohd Fareq, Abd Malek, Dr.; Razali, Ngah, Assoc. Prof. Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Rashid Ali, Fayadh; Jaafar Adhab, ALdhaibani; Hasliza, A. Rahim (PIER, 2013)
      In this paper, we propose a new approach to generate quadrupling-frequency optical millimeter-wave (mm-wave) signal with carrier suppression by using two parallel Mach-Zehnder modulators (MZMs) in Radio-over-fiber (RoF) ...

    • 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 double carrier modulation / differential detection technique (DCM/Diff.D) 

      Jacklyn Andrew Alam (Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2008-04)
      A new transmission and detection technique namely Double Carrier Modulation/ Differential Detection (DCM/Diff.D) are represented. The performance between the DCM/Diff.D techniques with the existing system, Wavelength ...

    • Development of intelligent traffic light 

      Mior Tajul Adzam Selipol Bahari (Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-04)
      Today, most of the traffic lights in Malaysia are controlled by Programmable Logic Control (PLC). This controller is chosen due to its low cost and user friendly programming language. The program could be modified to suit ...

    • Development of new OCDMA code 

      Nor Ilyana Osman (Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-05)
      Nowadays, communication is very important at any place, time and situation. The transmission of signal can be in wireless or cable (especially fiber optic that has more advantages than others cable for a long distance). ...