Now showing items 125-144 of 281

    • Improving system performance through operating system optimization on embedded devices platform 

      Daud, S.; Khalib, Z.I.A.; R. Badlishah, Ahmad (Institute of Electrical and Electronics Engineering (IEEE), 2008-05)
      Implemented with a low speed CPU, small memory footprint, low static memory storage and developed specifically for low power requirement, small embedded devices are significantly affected by processing time. By cutting ...
    • 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 ...
    • Influence of Code Size Variation on the Performance of 2D Hybrid ZCC/MD in OCDMA System 

      Rima, Matem; Syed Alwee Aljunid, Syed Junid; Junita, Mohd Nordin; Mohd Rashidi, Che Beson; Israa, Shihab Ahmed (EDP Sciences, 2018)
      Several two dimensional OCDMA have been developed in order to overcome many problems in optical network, enhancing cardinality, suppress Multiple Access Interference (MAI) and mitigate Phase Induced Intensity Noise (PIIN). ...
    • An insect classification analysis based on shape features using quality threshold ARTMAP and moment invariant 

      Shahrul Nizam, Yaakob; Jain, Lakhmi (Springer, 2012-07)
      The main objective of this paper is to investigate the use of Quality Threshold ARTMAP (QTAM) neural network in classifying the feature vectors generated by moment invariant for the insect recognition task. In this work, ...
    • Integration and deployment of IEEE 802.15.4 wireless sensor networks with a wireless mesh backhaul network 

      Mohd. Najmuddin, Mohd. Hassan, Dr.; Latifah Munirah, Kamarudin, Dr.; Ammar, Zakaria; R. Badlishah, Ahmad, Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      This paper describes the deployment of a IEEE802.15.4 Wireless Sensor Network (WSN) in a campus network and integration with IEEE 802.11a/g Wireless Mesh Network (WMN) for the backhaul. The first problem discussed is the ...
    • Intelligent electronic nose system for basal stem rot disease detection 

      Marni Azira Markom; Ali Yeon, Md Shakaff; Abdul Hamid, Adom; Mohd Noor, Ahmad; Wahyu, Hidayat; Abu Hassan, Abdullah; N., Ahmad Fikrib (Elsevier, 2009-05)
      The agricultural industry has been, for a long time, dependent upon human expertise in using odour for classification, grading, differentiating and discriminating different types of produce. Odour as a parameter of ...
    • An investigation of Rayleigh distribution in reverberation chamber 

      Azremi, Abdullah Al Hadi (Institute of Electrical and Electronics Engineering (IEEE), 2006-09-12)
      Amplitude fluctuations in signals received over mobile radio channels are typically modeled by a Rayleigh distribution. The field statistics in the volume of the enclosure are shown to correspond to the Rayleigh statistics ...
    • Investigation on Heavy Precipitation Effects over FSO Link 

      M. F., Talib; Abdul Rahman, Kram; Anuar, Mat Safar; Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid (EDP Sciences, 2017)
      This paper has examined the performance of free space optic system and scattering effects over the laser propagation. Analysis result based on Optisystem simulation software and rain data collected from Malaysia Meteorological ...
    • 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 ...
    • IoT enabled low cost wearable device for Location and Information Tracking System 

      Nur Atika, Kamaludin; Normaliza, Omar; Thennarasan, Sabapathy; Nursabrina, Iskandar; Muhammad Ramlee, Kamarudin (EDP Sciences, 2017)
      An internet-of-things (IoT) enabled low cost wearable device for location and information tracking system is developed to monitor and ensure the safety of the children while their parents are away either to work or abroad. ...
    • Location tracking system using wearable on-body GPS antenna 

      Thennarasan, Sabapathy; Mohd Amirudin, Mustapha; Muzammil, Jusoh; Shakhirul, Mat Salleh; Soh, Ping Jack (EDP Sciences, 2017)
      An on-body location tracking system is developed and integrated with a wearable GPS antenna. Such system is beneficial in human location tracking of patients and elderly within a radius of 1 km. The system consists of a ...
    • Lossy Compression of Biometric Images Implemented Using Floating Point DSP Processor 

      Azuwam Ali Alhadi, Azuwam; Muhammad Imran, Ahmad; Mohd Nazrin, Md Isa; Mohd Zaizu, Ilyas; Raja Abdullah, Raja Ahmad (EDP Sciences, 2017)
      In this paper, several numbers of biometric images are compressed in order to reduce the number of bits needed in representing an image with conservation of image quality. Biometric images compression is important to solve ...
    • Low power reconfigurable sub-band filter bank ASIC for MP3 decoder 

      Gangamamba, B. P.; Muralidhar, Pendyala V.; Murthy, Nukala Satyanarayana (Inderscience Publishers, 2009)
      There is an ever demanding need to develop low power audio devices using MP3 technology. From the profiled results of MP3 algorithm on ARM processors, it has been observed that the synthesis filter bank in the audio decoder ...
    • Low power reconfigurable sub-band filter bank ASIC for MP3 decoder 

      Gangamamba, B. P.; Muralidhar, P.; Murthy, N. S. (Inderscience Enterprises Limited, 2009)
      There is an ever demanding need to develop low power audio devices using MP3 technology. From the profiled results of MP3 algorithm on ARM processors, it has been observed that the synthesis filter bank in the audio ...
    • A low-power X-band free electron laser by prebunching of the electrons 

      Mohd Fareq, Abdul Malek, Dr.; Lucas, James; Yi, Huang (Wiley Periodicals, Inc., 2010-11)
      We are developing a prototype free electron laser that is compact, low cost, and low power. The design, setup, and results of a novel X-band rectangular waveguide prebunched free electron laser (PFEL) are presented in this ...
    • Memory efficient set partitioning in hierarchical tree (MESH) for wavelet image compression 

      Farid, Ghani, Prof. Dr.; Abdul Kader; Ekram Khan; R. Badlishah, Ahmad, Prof. Dr. (The Institute of Electronics, Information and Communication Engineers., 2012-09)
      This paper presents a memory efficient version of set partitioning in hierarchical tree (SPIHT). The proposed coder called Memory Efficient SPIHT (MESH) uses a single re-usable list instead of three continuously growing ...
    • A microcontroller-based taste sensing system for the verification of Eurycoma longifolia 

      Rahman, A. S A; Yap, M. M S; Ali Yeon, Md Shakaff; Mohd Noor, Ahmad; Dahari, Z.; Zhari, Ismail; Muhammad Suzuri, Hitam (Elsevier, 2004-06)
      With the proliferation of numerous herbal remedies on the market, the ability to verify the actual presence of the active herbal ingredient in a product would be very useful. In this paper, a microcontroller-based electronic ...
    • A MIMO LMS adaptive equalization approach in simulated radar emission 

      Junita, Mohd Nordin; Anuar, Mat Safar; Azremi, Abdullah Al Hadi; Norshaida, Ahmad; Shariffah Zarihan, Syed Zaharim Helmi; Bukhairi, M.N (Institute of Electrical and Electronics Engineering (IEEE), 2006)
      MIMO technology has attracted a lot of attention in the area of wireless communications such as radar applications, in term of increasing the spectral efficiency. This research paper will present the model of Simulated ...
    • 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 ...
    • Mitigating interference in a heterogeneous wireless network using channel selection 

      Mohd. Najmuddin, Mohd. Hassan, Dr.; Latifah Munirah, Kamarudin, Dr.; Ammar, Zakaria (AENSI Publisher All rights reserved, 2013-10)
      With the extensive development of heterogeneous wireless communication technology, combined with the advances of data acquisition, emerges a new trend of networked acquisition systems. Among this range of wireless technology, ...