Now showing items 1-20 of 48

    • Ab-initio calculation of the ground state of a truncated single-walled carbon nanotube 

      Md. Mijanur, Rahman, Dr.; R. Badlishah, Ahmad, Prof. Dr. (American-Eurasian Network for Scientific Information (AENSI), 2012-05)
      An ab-initio calculation of the ground state of a truncated single-walled carbon nanotube was performed. For this calculation, we adopted Density Functional Theory approach which significantly reduced computational ...
    • Analysis OCDMA system bit-error-rate using NAND detection at different data rate 

      Nasim, Ahmed, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr. (The International Society for Optical Engineering (SPIE), 2013)
      In this study, the OCDMA system is analyzed to enhance the Bit-Error-Rate (BER) performance using NAND subtraction detection technique. Enhanced Double Weight (EDW) code is used as a signature address of OCDMA system. The ...
    • Blind image Steganography scheme using speeded-up robust features technique 

      Nagham, Hamid; Abid, Yahya, Ir. Assoc. Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Osamah, M. Al- Qershi (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Steganography, which means “covered writing” in Greek, is the art and science of invisible communication. It is employed in various useful applications, e.g., copyright control of materials, companies‟ safe circulation ...
    • Cardinality enhancement of spectral/spatial modified double weight code optical code division multi-Access system by PIIN suppression 

      Amir Razif Arief, Jamil Abdullah, Dr.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Anuar, Mat Safar, Ir. Dr.; Junita, Mohd Nordin; R. Badlishah, Ahmad, Prof. Dr. (Elsevier GmbH, 2013-10)
      A new two-dimensional (2-D) optical code division multiple access (OCDMA) scheme to increase the achievable system capacity is proposed. The code exhibits good cross-correlation property time and wavelength shift. Performances ...
    • 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 ...
    • Coherence in muscle activity of the biceps brachii at middle, proximal and distal tendon region among the arm wrestling contestants 

      Nizam Uddin, Ahamed; Sundaraj, Kenneth, Assoc. Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Matiur J., Rahman; Md. Anamul, Islam; Md. Ashraf, Ali (Scientific Publishers of India, 2013)
      The aim of this study was to analyze the electromyographic (EMG) activity of biceps brachii (BB) muscle under the same muscle contraction in three different locations. For this reason, arm wrestling contest was conducted ...
    • Detecting TCP SYN flood attack based on anomaly detection 

      Siti Hajar, C. Haris; R. Badlishah, Ahmad Dr.; Mohd Alif Hasmani, Abd Ghani (Institute of Electrical and Electronics Engineers (IEEE), 2010-09-22)
      The adsorption of Cu, Cd, Ni, Zn, and Cr from synthetic solutions on powdered activated carbon (PAC), activated sludge, and dried sludge were investigated under laboratory conditions to assess its ability to remove heavy ...
    • Development and performance evaluation of hierarchical quadrature amplitude modulation (HQAM) for image transmission over wireless channels 

      Md. Abdul Kader; Farid, Ghani, Prof. Dr.; R. Badlishah, Ahmad, Prof. Madya Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2011-09-20)
      Asymmetric modulation techniques like Quadrature Amplitude Modulation system is one of the key techniques in building a broadband mobile communication network because of increasing shortage of wireless communication channels. ...
    • Effect of relay location on two-way DF and AF relay for multi-user system in LTE-A cellular networks 

      Jaafar Adhab, ALdhaibani; Abid, Yahya, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Normaliza, Omar; Zaid G., Ali (Institute of Electrical and Electronics Engineers (IEEE), 2013-04)
      In order to meet the increasing demand and stringent design requirements for coverage expansion, throughput and capacity enhancement relay Node (RNs) has been considered as a promising solution to LTE-A Point-to-Multi-Point ...
    • Electronically reconfigurable beam steering antenna using embedded RF PIN based parasitic arrays (ERPPA) 

      Sabapathy, Thennarasan; Mohd. Faizal, Jamlos, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Muzammil, Jusoh, Dr.; Mohd Ilman, Jais; Muhammad Ramlee, Kamarudin, Assoc. Prof. Dr. (EMW Publishing, 2013)
      In this paper, an electronically reconfigurable beam steering antenna using embedded RF PIN switches based parasitic array (ERPPA) is proposed for modern wireless communication systems that operate at 5.8 GHz frequency. ...
    • An embedded network traffic monitoring system for portable applications 

      Md. Mostafijur, Rahman; R. Badlishah, Ahmad, Prof. Dr.; Zahereel Ishwar, Abdul Khalib, Dr.; Abid, Yahya, Dr.; Md. Mijanur, Rahman, Dr.; Md. Manjur, Ahmed; Naufal, Alee (Medwell Journals, 2013)
      This study presents an enhanced Embedded Network Traffic Monitoring (ENTM) system capable of capturing and analyzing network traffic information on data networks. The system incorporates an enhanced packet probing subsystem ...
    • A framework for Emmbedded parallel computers 

      Mohd Faizal, Jamil; R. Badlishah, Ahmad, Prof. Madya Dr.; Md. Yazid, Mohd Saman, Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      High Performance Computing has provided the most interesting platform in the quest to solve high computational problems. Several factors have been identified that can be the focal points for enhancing current computing ...
    • High deadline meeting rate of non-preemptive dynamic soft real time scheduling algorithm 

      Zahereel Ishwar, Abdul Khalib, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Ong, Bi Lynn, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-11)
      Hard real time systems were often implemented with preemptive scheduling, which gives priority to the highest priority task. In this paper we present a new non-preemptive scheduling of jobs meant for soft real time ...
    • Highways Traffic Surveillance System (HTSS) using OpenCV 

      Zainab Nazar, Khalil Wafi; R. Badlishah, Ahmad, Prof. Madya, Dr.; Paulraj, Murugesa Pandiyan, Prof. Madya Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-22)
      Due to the traffic accidents over the last few years; the development of surveillance systems with multifunctional techniques has received increasing attention. The use of the smart camera is one solution to solve the ...
    • Image enhancement using white balance technique in Ziehl-Neelsen sputum slide images 

      Rafikha Aliana, A. Raof; R. Badlishah, Ahmad, Prof. Madya Dr.; Mohd Yusoff, Mashor, Prof. Dr.; Siti Suraiya, Mohd Noor, Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Ziehl-Neelsen stain method is one of the common techniques that are being used to diagnose the tuberculosis (TB) infection. However, due to the manual process of preparing the samples, the image of the slide may not appear ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Low complexity burst allocation algorithm with high frame utilization for Mobile WiMAX (802.16e) 

      Zaid G., Ali; R. Badlishah, Ahmad, Prof. Dr.; Abid, Yahya, Dr.; L. A., Hassnawi; Jaafar Adhab, ALdhaibani (Institute of Electrical and Electronics Engineers (IEEE), 2013-04)
      Burst allocation is one of the important parameter that affects the performance of the Mobile WiMAX systems. The burst allocation algorithm is responsible about calculating the appropriate dimensions and location of each ...
    • Mechanomyogram for muscle function assessment: a review 

      Md Anamul, Islam; Sundaraj, Kenneth, Prof. Dr.; R. Badlishah Ahmad, Prof. Dr.; Nizam Uddin, Ahamed (Public Library of Science, 2013)
      Background: Mechanomyography (MMG) has been extensively applied in clinical and experimental practice to examine muscle characteristics including muscle function (MF), prosthesis and/or switch control, signal processing, ...