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

Now showing items 21-40 of 123

    • 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). ...

    • Development of new OCDMA detection scheme 

      Norizan Abdul Razak (Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-03)
      A new direct detection technique is proposed for optical code multiple accesses using Double Weight code. In optical system the detection process affect design transmitter and receiver. The Multiple Access Interference ...

    • Development of new OCDMA encoder and decoder modules 

      Farah Hayati Che Lah (Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-05)
      A desirable feature for future optical networks would be the ability to process information directly in the optical domain for purposes of multiplexing, demultiplexing, filtering, amplification, and correlation. Optical ...

    • Development of Optical Code Division Multiple Access (OCDMA) for Local Area Network (LAN) 

      Yus Irma Md. Yusof (Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2008-04)
      Nowadays, communication is very important at any place, time and situation. The transmission of the signal can be in wireless or cable. There are three type of division multiple accesses that use in communication system ...

    • Development of point-to-point OCDMA system for metropolitan area network 

      Liyana Dhamirah M. Zamani (Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-05)
      Future telecommunication systems and networks are expected to provide a variety of integrated broadband services to the customers. There has been a tremendous interest in applying Code Division Multiple Access (CDMA) ...

    • Development of Spectral Slicing WDM (Wavelength division multiplexing) system 

      Nur Syazwani Mohamad Radzi (Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-05)
      Multiplexing is the transmission of information from one or more source to one or more destination over the same transmission medium. Although transmissions occur on the same facility, they do not necessarily occur at the ...

    • A divided spectrum balanced detection technique for intensity noisereduction in SAC OCDMA systems 

      Ahmed M., Alhassan; Nasreen, Badruddin, Dr.; Mohamad Naufal, Mohamad Saad; Syed Alwee Aljunid, Syed Junid, Prof. Dr. (Elsevier GmbH, 2013-12)
      In this paper we propose a simple divided spectrum balanced detection (DSBD) for spectral amplitudecoding (SAC) optical code division multiple access (OCDMA) systems. SAC OCDMA systems are limited byphase induced intensity ...

    • Effective design for fiber-to-the-home access network using flexible cross correlation (FCC) code 

      Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Farid, Ghani, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; Anuar, Mat Safar, Ir. Dr. (Trans Tech Publications, 2014-01)
      This paper presented a new class of codes for Fiber-To-The-Home (FTTH) network design based on Spectral Amplitude Coding (SAC) - Optical Code Division Multiple Access (OCDMA) coding approaches. The FTTH SAC-OCDMA network ...

    • 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 ...

    • Effective design of optical code-division multiple access network using random diagonal codes 

      Hilal Adnan, Fadhil, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Institute of Electrical and Electronics Engineers (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 ...

    • 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 ...

    • Encoder and decoder modules of OCDM system using fiber-bragg grating (FBG) for metro area network 

      Shariffah Zarihan, Syed Zaharim Helmi; Syed Alwee Aljunid, Syed Junid (Institute of Electrical and Electronics Engineering (IEEE), 2008-08-26)
      Encoder and decoder modules of OCDM system using Fiber Bragg Grating (FBG) is presented in this paper. In OCDM system, the unique code sequence is formed by using spectral components which are inherently arranged. This is ...

    • Enhance the performance of free space optical (FSO) communication due to atmospheric turbulence via the dual diffuser modulation (DDM) 

      Abdul Rahman, Kram; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Anuar, Mat Safar, Ir. Dr.; Hilal Adnan, Fadhil, Dr. (Trans Tech Publications, 2013-12)
      This paper focus on mitigating the atmospheric turbulence effect in free space optical communication using dual diffuser modulation (DDM) technique. Phase screen diffuser located on transmitter create 'new' beam wave to ...

    • 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 ...

    • Enhancement of performance of a hybrid SAC–OCDMA system using dynamic cyclic shift code 

      Thanaa Hussein, Abd; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlisyah, Ahmad, Prof. Madya Dr.; Juwita, Mohd Nordin (Institute of Physical Optics, 2012)
      A hybrid subcarrier multiplexing (SCM) technique incorporating spectral amplitude coding and optical code division multiple access (SAC-OCDMA) technologies is investigated using both numerical and simulation methods. The ...