Browsing School of Computer and Communication Engineering (Articles) by Title

Now showing items 160-179 of 281

    • New design of spectral amplitude coding in OCDMA with zero cross-correlation 

      Anuar, Mat Safar; Syed Alwee Aljunid, Syed Junid; N. M., Saad; S. M., Hamzah (Elsevier B.V. (Imprint: NORTH-HOLLAND), 2009-07)
      A zero cross-correlation (ZCC) code is proposed to reduce the impact of system impairment and multiple access interference (MAI) in spectral amplitude coding optical code division multiple access (SAC-OCDMA) system. ...

    • A new FWM reduction technique based on damping selective wavelengths 

      Haider J., Abed; Norashidah, Md. Din, Prof. Ir. Dr.; Mohammed Hayder, Al-Mansoori; Fairuz, Abdullah, Dr.; Noora, Salim; Hilal Adnan, Fadhil, Dr. (Ukrainian Journal of Physics., 2013)
      This paper proposes a new method that can suppress the four-wave mixing using an Optical Drop Multiplexing (ODM) technique. The four-wave mixing (FWM) behavior and the performance of wavelength division multiplexing (WDM) ...

    • A new perceptual mapping model using Lifting Wavelet Transform 

      TahaBasheer, Taha; Phaklen, Ehkan; Ruzelita, Ngadiran (EDP Sciences, 2017)
      Perceptual mappingapproaches have been widely used in visual information processing in multimedia and internet of things (IOT) applications. Accumulative Lifting Difference (ALD) is proposed in this paper as texture mapping ...

    • 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 ...

    • A new ultrasonic exponential decay pulser technique for low concentrations detection and measurements 

      Muhammed Sabri, Salim; Mohd Fareq, Abd. Malek, Dr.; Naseer, Sabri; Noaman, Mohammad Noaman, Dr.; Khairudi, Mohd Juni; Noor Anida, Abu Talib (Praise Worthy Prize S.r.l., 2013)
      The objective of this study was to design and implement a new ultrasonic pulser with adjustable concentration detection. The new technique based on transmits a multiple ultrasound pulses with decay power through slurry to ...

    • A new ultrasound pulser technique for wide range measurements 

      Mohammad Shahril, Salim; Mohd Fareq, Abd. Malek, Dr.; Noaman, Mohammad Noaman, Dr.; Naseer, Sabri; Latifah, Mohamed; Khairudi, Mohd Juni (IOP Publishing Ltd, 2013)
      The objective of this research was to design and implement a new ultrasonic pulse-power-decay technique that transmits multiple ultrasound pulses through slurry to determine the lowest concentration that can provide an ...

    • A novel 1.575-GHz dual-polarization textile antenna for GPS application 

      Mohd Ilman, Jais; Mohd Faizal, Jamlos, Dr.; Muzammil, Jusoh, Dr.; Sabapathy, Thennarasan; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr. (Wiley Periodicals, Inc, 2013-10)
      This article presents a novel dual-polarization textile antenna (DPTA) for Global Positioning System applications. In this design, four sector radiating elements are centrally fed by a coaxial probe. A novel antenna structure ...

    • A novel 2.45GHz switchable beam textile antenna (SBTA) for outdoor wireless body area network (WBAN) applications 

      Mohd Ilman, Jais; Mohd Faizal, Jamlos, Dr.; Muzammil, Jusoh, Dr.; Sabapathy, Thennarasan; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Azremi, Abdullah Al Hadi, Dr.; Emi Izhanizam, Azmi; Soh, Ping Jack; Vandenbosch, Guy AE E; Nur Laila Khamariah, Ishak (EMW Publishing, 2013)
      A novel switchable beam textile antenna (SBTA) for wireless body area network (WBAN) applications is proposed. The SBTA is centrally-fed by a coaxial probe and the power distributed over four circular radiating elements. ...

    • A novel approach evaluation for enhancing networks 

      Satea Hikmat, Alnajjar; Mohd Fareq, Abd. Malek, Dr.; Mohammad Shahrazel, Razalli, Dr. (Elsevier B.V., 2013)
      This study reveals for a creation of a system that has the ability to prove the technical feasibility and the advantages of a joint Radio Frequency and fiber optic system with self-trace directional control between deployed ...

    • A novel beam steering of hybrid switchable beam textile antenna 

      Mohd Ilman, Jais; Mohd Faizal, Jamlos, Dr.; Muzammil, Jusoh, Dr.; Sabapathy, Thennarasan; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr. (Wiley Periodicals, Inc, 2013-08)
      A novel hybrid switchable beam textile antenna (HSBTA) is proposed in this research. The HSBTA introduced by a coaxial probe technique to feed current flow to center of HSBTA and distribute the current to four circles of ...

    • Novel compact "via-less" ultra-wide band filter utilizing capacitive microstrip patch 

      Mohammad Shahrazel, Razalli; Alyani, Ismail; Mohamed Adzir, Mahdi; Mohd Nizar, Hamidon (EMW Publishing, 2009)
      This paper presents a novel compact "via-less" UWB filter derived from a quarter-wavelength short-circuited stubs model. In this compact "via-less" UWB filter, there is no connecting vias as short circuit elements. Unlike ...

    • Novel compact microstrip ultra-wideband filter utilizing short-circuited stubs with less vias 

      Mohammad Shahrazel, Razalli; Alyani, Ismail; Mohamed Adzir, Mahdi (EMW Publishing, 2008)
      We present here a new pattern with compact size of Ultra Wideband (UWB) microwave filter. The filter is based on quarter-wave length short-circuited stubs model. We introduced here a new schematic model by extracting all ...

    • A novel compact tree-design antenna (NCTA) with high gain enhancement for UWB application 

      M. T., Jusoh; Mohd Faizal, Jamlos, Dr.; Muhammad Ramlee, Kamarudin; Mohd Fareq, Abd. Malek; Mahathir, H. Mat (Taylor & Francis Group, 2011)
      In this paper, a novel compact tree-design antenna (NCTA) for ultra-wideband (UWB) application with high gain and impedance matching improvement is analyzed and presented. The novel antenna is composed of a single centered ...

    • Novel dual-band B-shaped printed monopole antenna for MIMO application 

      Hashimu Uledi, Iddi; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr.; Tharek, Abd. Rahman, Prof. Dr.; Mohd. Faizal, Jamlos, Dr.; Majid Rafiee, Aghda (INOE Publishing House, 2013-09)
      Proposed antenna consists of B-shaped element which operates at dual-band frequencies (2.45 and 5.8 GHz). The antenna has been simulated using CST software and the prototype has been fabricated on FR4 substrate. The impedance ...

    • A novel, high-speed image transmitter for wireless capsule endoscopy 

      Md. Rubel, Basar; Mohd. Fareq, Abd. Malek, Dr.; Mohd Iskandar, Mohd Saleh; Mohd Shaharom, Idris; Khairudi, Mohd Juni; Azuwa, Ali; Nur Adyani, Hj. Mohd Affendi; Nuriziani, Hussin (EMW Publishing, 2013)
      Wireless capsule endoscopy (WCE) was developed as a painless diagnostic tool for endoscopic examination of the gastrointestinal (GI) tract, but, to date, the low operating power of the capsule and the high data rate of the ...

    • Novel: Time optimization model for centrifugation process: Application in human blood-plasma separation 

      Muhammed Sabri, Salim; Mohd Fareq, Abd. Malek, Dr.; Naseer, Sabri; Noaman, Mohammad Noaman, Dr.; Khairudi, Mohd Juni (Elsevier Ltd, 2013)
      One way to accurately diagnose many human diseases is to conduct tests on a sample of blood. These tests are based on analyzing precisely the results of a blood plasma sample free from any other blood cells. This article ...

    • Object detection using circular hough transform 

      Mohamed Rizon; Haniza, Yazid; Puteh, Saad; Ali Yeon, Md Shakaff, Prof. Dr.; Abdul Rahman, Saad; Sugisaka, Masanori; Sazali, Yaacob, Prof. Dr.; M. Rozailan, Mamat; Karthigayan, M. (Science Publications, 2005)
      In this study we propose a new system to detect the object from an input image. The proposed system first uses the separability filter proposed by Fukui and Yamaguchi (Trans. IEICE Japan J80-D-II. 8, 2170-2177, 1997) to ...

    • Object detection using geometric invariant moment 

      Mohamed Rizon; Haniza, Yazid; Puteh, Saad; Ali Yeon, Md Shakaff, Prof. Dr.; Abdul Rahman, Saad; Mohd Rozailan, Mamat; Sazali, Yaacob, Prof. Dr.; Hazri, Desa, Dr.; Karthigayan, M. (Science Publications, 2006)
      Geometric moment invariant produces a set of feature vectors that are invariant under shifting, scaling and rotation. The technique is widely used to extract the global features for pattern recognition due to its ...

    • On coverage analysis for LTE-A cellular networks 

      Jaafar Adhab, ALdhaibani; Abid, Yahya, Dr.; R. Badlishah, Ahmad, Prof. Dr.; 'Aini Syuhada, Md Zain; Mohammed Khalid, Salman; Riad, Edan (Engg Journals Publications, 2013)
      In this paper we analyze the coverage area for LTE-A cellular network by taking into account the interference of first tier and frequency reuse planning. We considered the numerical calculations and simulation results to ...

    • On the investigation of quantum evolution of a single photon wavepacket: A simulation approach 

      Md. Mijanur, Rahman, Dr. (IDOSI Publications, 2013)
      Investigation into photon wavepacket is fundamental to the deep understanding of electromagnetic fields as well as light-matter interaction. We studied quantum evolution of a photon wavepacket using numerical simulation. ...