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

Now showing items 21-40 of 62

    • Fundamental study and analysis of CAT5e cable for NEXT and ELFEXT 

      Handy, Ali Munir; Nordin, Saad, Assoc. Prof. Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Ahmad Mujahid, Ahmad Zaidi, Dr.; Mohd Zuki, Yusoff, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-06-12)
      Industrial Ethernet (IE) is dedicated to data control and monitoring to operators, equipment, controllers, valves and sensors. Near-End Crosstalk (NEXT) measurements (in dB) is the degree of unwanted signals coupled onto ...

    • Generation of a new hybrid subcarrier multiplexing-SAC-OCDMA system based on FSO 

      Hussein Saad, Mohammed; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; Thanaa Hussein, Abd.; Rashid Ali, Fayadh; Abdul Kram, Rahman (JATIT & LLS, 2013-12)
      This paper proposes hybrid Subcarrier Multiplying-Spectral Amplitude Coding-Optical Code Division Multiple Access system (SCM-SAC-OCDMA) based on the Free Space Optic (FSO) using Multi Diagonal (MD) code is. The proposed ...

    • Hybrid OCDMA over WDM system using modified double weight (MDW) code for optical access network 

      Nasim, Ahmed; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlishah, Ahmad, Prof. Madya Dr.; Mohd Abdur, Rashid, Dr. (Trans Tech Publications, 2012)
      In this paper a hybrid optical code division multiple access (OCDMA) over wavelength division multiplexing (WDM) network is proposed to support large number of subscribers. The system combines two different techniques, ...

    • Impact of freeway mobility pattern on routing performance of mobile Ad Hoc networks 

      Layth Abdulkareem, Hassnawi, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Abid, Yahya, Dr.; H. R., Alsanad; Syed Alwee Aljunid, Syed Junid, Prof. Dr. (Advanced Institute of Convergence IT, 2013-05)
      In all applications which are based on Mobile Ad-Hoc Networks, node mobility has a significant impact on the performance of routing protocols; consequently affect the usefulness of these applications. This paper presents ...

    • Impact of multi-diagonal code on high-speed spectral amplitude coding optical code division multiple-access networks 

      Thanaa Hussein, Abd.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; Junita, Mohd Nordin; Mohamad Naufal, Mohamad Saad, Assoc. Prof. (Springer-Verlag, 2013-09)
      In this paper, we present the impact of the multi-diagonal (MD) code for high data rate in spectral amplitude coding optical code division multiple-access (SAC-OCDMA) networks. An MD code structure for SAC-OCDMA system is ...

    • Improved BER based on intensity noise alleviation using developed detection technique for incoherent SAC-OCDMA systems 

      Hamza Mohammed Ridha, Al-Khafaji; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr. (Taylor and Francis Group, LLC., 2012-06)
      The major drawback of incoherent spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) systems is their inherent intensity noise originating due to the incoherency of the broadband light sources. In ...

    • Improved probability density function using modified-AND detection technique for incoherent SAC-OCDMA systems 

      Hamza Mohammed Ridha, Al-Khafaji; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-07-03)
      The rapid progress in video-based Internet applications is increasing the demand for efficient optical communication systems. In this paper, developed detection technique for incoherent spectral-amplitude coding optical ...

    • Improvement of the bit error rate of a non-coherent OCDMA system for FTTH network applications 

      Nasim, Ahmed, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Hilal Adnan, Fadhil, Dr. (Springer Verlag, 2013-12)
      In this paper, an optical code division multiple access (OCDMA) system was analysed to improve the bit error rate (BER) performance at 10 Gbps. The improvements to this system were based on a modified double weight code ...

    • 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 ...

    • Increasing capacity and suppress the crosstalk by using hybrid optical OFDM/ WDM system 

      Abdullah Omar Ali, Al-Dhaibani; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; Anuar, Mat Safar, Ir. Dr. (Trans Tech Publications, 2014)
      Hybrid optical OFDM/WDM system is proposed to provide longer reach and larger capacity comparing with existing PON systems in order to meet the ever increasing bandwidth demand and data rate of next generation optical ...

    • Intensity noise mitigation in SAC OCDMA systems using a divided spectrum balanced detection scheme 

      Ahmed M., Alhassan; Nasreen, Badruddin, Dr.; Mohamad Naufal, Mohamad Saad, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2013-09)
      We propose the use of a divided spectrum balanced detection (DSBD) to reduce the intensity noise in spectral amplitude coding (SAC) OCDMA systems. Simulation results show several order of magnitude improvements in bit error ...

    • Investigation the performance of unipolar SAC-OCDMA codes 

      Ibrahim Fadhil, Radhi; Thanaa Hussein, Abd.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr. (AENSI Publications, 2012-01)
      In this paper, we investigate the performance of unipolar Spectral Amplitude Coding Optical Code Division multiple Access (SAC-OCDMA) codes. A performance comparison made between various unipolar SAC-OCDMA codes such as ...

    • Minimizing correlation effect using zero cross correlation code in spectral amplitude coding optical code division multiple access 

      Anuar, Mat Safar, Ir. Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Amir Razif Arief, Jamil Abdullah, Dr.; Junita, Mohd Nordin; Mohamad Naufal, Mohamad Saad, Assoc. Prof. (The Optical Society of Japan, 2012-01)
      The use of minimal multiple access interference (MAI) in code design is investigated. Applying a projection and mapping techniques, a code that has a zero cross correlation (ZCC) between users in optical code division ...

    • Modelling and simulation of a 1.6 Tb/s optical system based on multi-diagonal code and optical code-division multiple-access 

      Thanaa Hussein, Abd.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; Junita, Mohd Nordin; Mohamad Naufal, Mohamad Saad, Prof. Madya Dr. (Institute of Physical Optics, 2012)
      n this paper we have modelled and simulated a 1.6 Tb/s (100×16 Gb/s) optical system based on spectral amplitude coding for the optical code-division multiple- access (SAC-OCDMA) scheme. In order to reduce the effect of ...

    • New approach for evaluation of the performance of spectral amplitude coding-optical code division multiple access system on high-speed data rate 

      Thanaa Hussein, Abd.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Mohd Abdur, Rashid, Dr. (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 class of code with any desired cross correlation for OCDMA systems 

      Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Farid, Ghani, Prof. Dr.; Anuar, Mat Safar, Ir. Dr.; Hilal Adnan, Fadhil, Dr.; Amir Razif Arief, Jamil Abdullah, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-04-07)
      This paper presented the novel of optical code for Optical Code Division Multiple Access (OCDMA) system using Spectral Amplitude Coding. A new class of code, called Modified Non-Zero Cross Correlation Code (MNZCC). MNZCC ...

    • New code for spectral-amplitude coding optical code-division multiple-access systems 

      Thanaa Hussein, Abd.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlishah, Ahmad, Prof. Madya Dr.; Mohd Abdur, Rashid, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-16)
      In this paper we present a novel code family for SAC-OCDMA system. The new code technique is called Dynamic Cyclic Shift (DCS) code. Which more flexible in selection the code length with variable cross correlation. ...

    • New code structures based on coherent and incoherent sources for spectral amplitude coding-OCDMA systems 

      Hilal Adnan, Fadhil, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2009-04-03)
      A new code of optical code division multiple access (OCDMA) based on Spectral Amplitude Coding (SAC) is described and analyzed. The coding technique is called Random Diagonal "RD" code. One of the important properties of ...

    • New code with non-zero cross correlation for spectral amplitude coding optical code-division multiple-access systems 

      Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Farid, Ghani, Prof. Dr.; Anuar, Mat Safar, Ir. Dr.; Hilal Adnan, Fadhil, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-05-21)
      This paper presented the novel of a new class of code with Non-Zero Cross-Correlation for Spectral-Amplitude Coding in Optical Code Division Multiple Access (OCDMA) systems. A new code namely Modified Non-Zero Cross ...

    • 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. ...