Now showing items 52-71 of 281

    • 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 a broadband all-textile slotted PIFA 

      Soh, Ping Jack; Vandenbosch, Guy A E; Liam, Ooi Soo; Nurul Husna, Mohd Rais (Institute of Electrical and Electronics Engineering (IEEE), 2012-01)
      A new broadband textile based PIFA antenna structure designed for wireless body area network (WBAN) applications is presented. The new topology can be directly integrated into clothing. The study starts by considering three ...
    • Design of a free electron maser without wiggler 

      Mohd Fareq, Malek; Lucas, James; Yi, Huang (World Scientific and Engineering Academy and Society (WSEAS), 2010-04)
      We are developing prototype free electron maser (FEM) that is compact, powerful and efficient for potential industrial applications. The design, set-up and results of a novel X-band rectangular waveguide prebunched free ...
    • Design of Binary Coded Pulse Trains with Good Autocorrelation Properties for Radar Communications 

      Siti Julia, Rosli; Hasliza, Rahim; Ruzelita, Ngadiran; Khairul Najmy, Abdul Rani; Muhammad Imran, Ahmad; Wee, Fwen Hoon (EDP Sciences, 2018)
      Finite length of sequences that are modulated both in phase and amplitude and have an ideal autocorrelation function (ACF) consisting of merely a pulse have many applications in control and communication systems. They are ...
    • 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 ...
    • The development of FPGA-based wireless channel simulator using LabVIEW 

      Nor Aswani, Mamat; Razali, Ngah, Assoc. Prof. Dr.; Chude-Okonkwo, Uche Anicetus K Chude, Dr.; Muhamad Asmi, Romli (Penerbit UTM Press, 2013)
      The development of channel model for wireless communication system is currently becoming important to fulfill the entire user's requirements and increasing demand where to provide a good communication link between the users ...
    • A Dielectric Resonator Antenna with Enhanced Gain and Bandwidth for 5G Applications 

      Irfan, Ali; Mohd Haizal, Jamaluddin; Abinash, Gaya; Hasliza, A. Rahim (MDPI AG, 2020-01)
      In this paper, a dielectric resonator antenna (DRA) with high gain and wide impedance bandwidth for fifth-generation (5G) wireless communication applications is proposed. The dielectric resonator antenna is designed to ...
    • Disinfestation of Rhyzopertha dominica (F.) using microwave heat treatment to the Malaysian paddy 

      Manjur, Ahmed; Fareq, Malek, Dr.; R., Badlishah Ahmad, Assoc. Prof. Dr.; Md. Mostafijur, Rahman; Khairudi, Mohd Juni (World Academy of Science, Engineering and Technology (WASET), 2011-09)
      Dielectric spectroscopy was used to analyze Rhyzopertha dominica (F.) or lesser grain borer for microwave heat treatment to Malaysian paddy MR219. The temperature dependency of the dielectric properties of Rhyzopertha ...
    • 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 ...
    • Dual Band Planar Inverted F Antenna (PIFA) with L-Shape Configuration 

      Mohamad Khlouf, Munzer; Saidatul Norlyana, Azemi; Azremi Abdullah, Al-Hadi; Soh, Ping Jack; Mohd Faizal, Jamlos (EDP Sciences, 2017)
      One of the most used antennas in mobile devices is planar inverted F antenna (PIFA). PIFA can be design in dual band frequencies due to the coverage of the wireless service in a mobile device that requires a multiple ...
    • A dual band planar monopole antenna with inverted-M parasitic plane 

      Nurul, H. M R; Soh, Ping Jack; Azremi, Abdullah Al Hadi; Ibrahim, M.I.; R. Badlishah, Ahmad (Institute of Electrical and Electronics Engineering (IEEE), 2007)
      Introduction of parasitic plane as additional radiator helps to produce desired resonant frequencies, while helping to minimize the size of the antenna. A dual-band monopole antenna with parasitic plane is designed to ...
    • Dual-band suspended-plate wearable textile antenna 

      Nurul Husna, Mohd Rais; Soh, Ping Jack; Mohd Fareq, Abd. Malek, Dr.; Vandenbosch, Guy A. E. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      A novel, dual-band wearable textile antenna fabricated using conductive textiles for operation in both ISM and HiperLAN applications is presented. Its concept is based on the suspended-plate antenna. It features a 60 × 45 ...
    • The effect of conductor line to meander line antenna design 

      Misman, D.; Salamat, I.A.; Abdul Kadir, M.F.; Che Rose, M.R.; Mohd Shah, M. S R; Abd Aziz, M.Z.A.; Husain, M.N.; Soh, Ping Jack (Institute of Electrical and Electronics Engineering (IEEE), 2008)
      In this paper, the meander line antenna (MLA) have been designed to operate at 2.4-GHz for WLAN application. Two different designs of meander line antenna are investigated, without conductor line and with conductor line. ...
    • Effect of two different superstrate layers on Bismuth Titanate (BiT) array antennas 

      Wee, Fwen Hoon; Mohd Fareq, Abd Malek, Dr.; Farid, Ghani, Prof. Dr.; Umar Al-Amani, Azlan (Macmillan Publishers Limited, 2014-01)
      The microwave industry has shown increasing interest in electronic ceramic material (ECM) due to its advantages, such as light weight, low cost, low loss, and high dielectric strength. In this paper, simple antennas covered ...
    • 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 ...
    • The effects of compiler optimizations in face recognition system 

      Shuhaizar, Daud; Khalib, Z.I.K; R. Badlishah, Ahmad; Mohamad Rizon, Mohamed Juhari (Institute of Electrical and Electronics Engineering (IEEE), 2008)
      One of the few challenges facing face recognition systems is real time processing. In order for a face recognition system to be viable for real world implementations, it needs to be fast enough to track and identify facial ...
    • The effects of compiler optimizations on embedded system power consumption 

      Shuhaizar, Daud; R. Badlishah, Ahmad; Nukala S., Murhty (Inderscience Enterprises Limited, 2009)
      Power consumption is a subject of serious consideration in embedded systems design because embedded systems are constrained to stringent power and energy requirements. The mission of lowering power consumption and energy ...