School of Computer and Communication Engineering (Articles): Recent submissions

Now showing items 41-60 of 281

    • 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 ...

    • Rice husks microwave absorbers 

      Mohd Fareq, Abd Malek; Nornikman, Hassan; Soh, Ping Jack; Azremi, Abdullah Al Hadi; Supri, A. Ghani (Universiti Malaysia Perlis (UniMAP), 2010-12)

    • 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 ...

    • Multicast-unicast data delivery method in wireless IPv6 networks 

      Abbas, Mehdizadeh; Fazirulhisyam, Hashim; Raja S. Azmir, Raja. Abdullah; Borhanuddin, Mohd Ali; Mohamed, Othman; Sabira, Khatun (Springer US, 2013-02)
      Multicast IPv6 is an efficient way of transmitting data simultaneously to a group of IPv6 users. It has the advantage of reducing the required bandwidth of IPv6 data delivery compared to unicast transmission. The data rate ...

    • Performance analysis of two-way multi-user with balance transmitted power of relay in LTE-A cellular networks 

      Jaafar Adhab, ALdhaibani; Abid, Yahya, Dr.; R. Badlishah, Ahmad, Prof. Dr.; 'Aini Syuhada, Md Zain; Mohammed Khalid, Salman (Asian Research Publication Network, 2013-05)
      Wireless multi-hop relay systems have become very important technologies in mobile communications. These systems ensure high-speed data transfer and extended coverage area at a low cost. In this paper, we proposed two ...

    • Improving performance-limited interference system with coordinated multipoint transmission 

      Aini Syuhada, Md Zain; Abid, Yahya, Dr.; Mohd Fareq, Abd. Malek, Dr.; Normaliza, Omar (Elsevier, 2013)
      This paper describes an overview of the key component in coordinated multipoint in the context of LTE-Advanced which includes architectures and approaches that can be employed. Most of the ideas presented are presently ...

    • Implementation of a project-based telecommunications engineering design course 

      Aliakbarian, Hadi; Soh, Ping Jack; Saeed Farsi; Hantao, Xu; Emmanuel H. E. M. J. C., Van Lil; Nauwelaers, Bart K. J. C.; Vandenbosch, Guy A. E.; Dominique, M. M.-P. Schreurs (IEEE, 2014-02)
      This paper describes and discusses the implementation of a project-based graduate design course in telecommunications engineering. This course, which requires a combination of technical and soft skills for its completion, ...

    • 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 ...

    • PNN based driver drowsiness level classification using EEG 

      Mousa Kadhim, Wali; Murugappan, Muthusamy, Dr.; R. Badlishah, Ahmad, Prof. Dr. (JATIT & LLS. All rights reserved, 2013-06)
      In this work, we classify the driver drowsiness level (awake, drowsy, high drowsy and sleep stage1) based on different wavelets and probabilistic neural network classifier using wireless EEG signals. Deriving the amplitude ...

    • Classification of driver drowsiness level using wireless EEG 

      Mousa Kadhim, Wali; Murugappan, Muthusamy, Dr.; R. Badlishah, Ahmad, Prof. Dr. (Przegląd Elektrotechniczny, 2013)
      In this work, wireless Electroencephalogram (EEG) signals are used to classify the driver drowsiness levels (neutral, drowsy, high drowsy and sleep stage1) based on Discrete Wavelet Packet Transform (DWPT). Two statistical ...

    • A smart wearable textile array system for biomedical telemetry applications 

      Soh, Ping Jack; Van Den Bergh, B.; Hantao, Xu; Aliakbarian, Hadi; Farsi, Saeed; Samal, Purna B.; Vandenbosch, Guy A. E.; Schreurs, Dominique M M P; Nauwelaers, Bart K J C (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      A smart wearable textile array system (SWTAS) with direction of arrival (DoA) estimation and beamforming is proposed and developed for biomedical telemetry applications. This conformal system enables effective and continuous ...

    • Outlier rejection fuzzy c-means (ORFCM) algorithm for image segmentation 

      Fasahat Ullah, Siddiqui; Nor Ashidi, Mat Isa, Assoc. Prof. Dr.; Abid, Yahya, Dr. (Scientific and Technical Research Council of Turkey, 2013)
      This paper presents a fuzzy clustering-based technique for image segmentation. Many attempts have been put into practice to increase the conventional fuzzy c-means (FCM) performance. In this paper, the sensitivity of the ...

    • 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 ...

    • Bump height at low temperature analysis 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Steven, Taniselass (Trans Tech Publications (TTP), 2013)
      The effects of chemical bath time in response to the bump height in electroless nickel immersion gold (ENIG) process was investigated. This paper presents the correlation between electroless process time, immersion gold ...

    • Shear speed analysis on Sn-3.9Ag-0.6Cu Solder 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Ong, Tee Say; Vairavan, Rajendaran (Trans Tech Publications (TTP), 2013)
      Ball Grid Array (BGA) is a type of semiconductor interconnection used in Integrated Circuit (IC) which is being scaled down to micro and nano size. The reliability of BGA in IC becomes a concern as the size of IC reduces. ...

    • 5mm × 5mm sized slug on high power LED stress and junction temperature analysis 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Vairavan, Rajendaran; Nazuhusna, Khalid (Trans Tech Publications (TTP), 2013)
      Conventional incandescent lamps are being replaced by high power light emitting diode as a lighting source due to it ascendancy in terms of physical size, performance, output and lifetime. Nevertheless, the reliability and ...

    • Aluminium surface grain size analysis on RIE treatment 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Palianysamy, Moganraj; Aaron, Koay Terr Yeow (Trans Tech Publications (TTP), 2013)
      Reactive Ion Etch (RIE) has been an important process in the world of microelectronic fabrication. Focus of this preliminary study is on how RIE affects the grain size of aluminum film which is fabricated on substrates. ...

    • Relationship between controllable process parameters on bump height in ENIG 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Muhamad Hafiz,  Ab Aziz (Trans Tech Publications, 2013)
      This paper reports the factors that affect the bump height in electroless nickel immersion gold (ENIG) and their interrelation between each other. Bump height is a critical issue that needs to be investigated because a ...

    • A systematic design procedure for micro-strip-based unidirectional UWB antennas 

      Samal, Purna B.; Soh, Ping Jack; Vandenbosch, Guy A E (EMW Publishing, 2013)
      A design procedure for microstrip antenna topologies operating within the full UWB band is described. The presence of the full ground plane successfully results in a unidirectional antenna, which is important in applications ...