This page provides access to research works by Prof. Dr. Syed Alwee Aljunid Syed Junid, currently a Dean of the Research & Innovation Management Center, Universiti Malaysia Perlis.

Recent Submissions

  • Investigation on Heavy Precipitation Effects over FSO Link 

    M. F., Talib; Abdul Rahman, Kram; Anuar, Mat Safar; Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid (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 ...
  • Performance evaluation of downlink design based on free space optical system 

    Anis Afina, Azman; Mohd Rashidi, Che Beson; Rahman, A. K.; Syed Alwee Aljunid, Syed Junid; Yaakob, S. (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 ...
  • Performance Evaluation of a Novel Optimization Sequential Algorithm (SeQ) Code for FTTH Network 

    Fazlina, C. A. S.; Mohd Rashidi, Che Beson; Rahman, A. K.; Syed Alwee Aljunid, Syed Junid (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 

    Aishah, A. S.; Mohd Rashidi, Che Beson; Saidatul Norlyana, Azemi‬; Syed Alwee Aljunid, Syed Junid (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 ...
  • Performance comparison of Triangle Antenna of 60 GHz for 5G Wireless Communication Network 

    Aishah, S. A.; Mohd Rashidi, Che Beson; Saidatul Norlyana, Azemi; Syed Alwee Aljunid, Syed Junid (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 ...
  • Optical Generation of 80 GHz Downstream Data in Radio over Fiber System Based on Stimulated Brillouin Scattering 

    M. M. H., Husaini; Mohd Rashidi, Che Beson; Anuar, Mat Safar; Rosdisham, Endut; Syed Alwee Aljunid, Syed Junid (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 ...
  • 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 ...
  • MANET Routing Protocols Evaluation: AODV, DSR and DSDV Perspective 

    Fahad Taha, AL-Dhief; Naseer, Sabri; M.S., Salim; Sarah, Fouad; Syed Alwee Aljunid, Syed Junid (EDP Sciences, 2018)
    Mobile Ad Hoc Network (MANET) is a set of mobile nodes that communicate with each other to configure an immediate network without utilizing any of infrastructure, the centralized access point or centralized administration ...
  • 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 ...
  • Influence of Code Size Variation on the Performance of 2D Hybrid ZCC/MD in OCDMA System 

    Rima, Matem; Syed Alwee Aljunid, Syed Junid; Junita, Mohd Nordin; Mohd Rashidi, Che Beson; Israa, Shihab Ahmed (EDP Sciences, 2018)
    Several two dimensional OCDMA have been developed in order to overcome many problems in optical network, enhancing cardinality, suppress Multiple Access Interference (MAI) and mitigate Phase Induced Intensity Noise (PIIN). ...
  • Effective design for Optical CDMA based on radio over fiber (RoF) technique 

    Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid; Anuar, Mat Safar; Yaakob, S. (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 ...
  • Optimization FSO Performance Under Strong Turbulence Effect By Enhanced New Carrier Data Transmission Technique 

    Ummul K.R.; Anuar, Mat Safar; Rahman, A.K.; Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid (EDP Sciences, 2017)
    This paper focus on mitigating the atmospheric turbulence effect in free space optical communication using a dual diffuser modulation (DDM) technique. The most deteriorate the FSOC is scintillation where it affected the ...
  • Performance analysis of hybrid OCDMA/WDM system for metro area network 

    Nasim, Ahmed, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Nizam Uddin, Ahamed; Matiur J., Rahman (Walter de Gruyter Berlin/Boston, 2014-03)
    In this study a hybrid spectral amplitude coding for optical code division multiple access (i.e., called OCDMA) over wavelength division multiplexing (WDM) network is proposed to support large number of subscribers. The ...
  • A new two-code keying scheme for SAC-OCDMA systems enabling bipolar encoding 

    Hamza M. R., Al-Khafaji, Dr.; Razali, Ngah, Assoc. Prof. Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Tharek, Abd. Rahman, Prof. Dr. (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 ...
  • APD gain effect on SAC-OCDMA system using modified-and detection technique 

    Hamza Mohammed Ridha, Al-Khafaji; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Amphawan, Angela, Dr.; Hilal Adnan, Fadhil, Dr.; Anuar, Mat Safar, Ir. Dr. (Asian Research Publication Network, 2013-07)
    This paper investigates the avalanche photodiode (APD) gain effect on spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) system using a modified-AND subtraction detection in comparison to the ...
  • Improving performance in free space optical communication (FSOC) channel through the dual diffuser modulation (DDM) due to atmospheric turbulence 

    Abdul Rahman, Kram; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Anuar, Mat Safar, Ir. Dr.; Hilal Adnan, Fadhil, Dr. (Asian Research Publication Network, 2014-02)
    This paper focus on reduction of atmospheric turbulence effect on free space optical communication using robust modulation that is dual diffuser modulation (DDM) technique. This technique uses two transmitter and differential ...
  • 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 ...
  • Enhanced performance of SAC-OCDMA system based on SPD detection utilizing EDFA for access networks 

    Sarah G., Abdulqader; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hamza Mohammed Ridha, Al-Khafaji; Hilal Adnan, Fadhil, Dr. (Engineering and Technology Publishing, 2014-02)
    In this paper, we present the impact of an EDFA (Erbium Doped Fibre Amplifier) for high data rate in Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) networks. A Single photodiode (SPD) detection ...
  • New design of Flexible Cross Correlation (FCC) code for SAC-OCDMA system 

    Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Farid, Ghani, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; Anuar, Mat Safar, Ir. Dr. (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. ...
  • Performance evaluation of Fi-Wi network based on SCM-optical code division multiple access architecture 

    Junita, Mohd Nordin; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Rosemizi, Abd. Rahim; Anuar, Mat Safar, Ir. Dr.; Amir Razif Arief, Jamil Abdullah, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Mohamad Naufal, Mohamad Saad (Elsevier GmbH, 2013-10)
    This paper investigates the performance of a spectral amplitude coding (SAC)-OCDMA system design utilizing subcarrier multiplexing techniques for use in the popular fiber-wireless (Fi-Wi) technology. Zero cross correlation ...

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