Browsing R. Badlishah Ahmad, Prof. Ir. Ts. Dr. by Author "R. Badlishah, Ahmad, Prof. Dr."

Now showing items 1-20 of 45

    • 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 ...

    • Channels estimation in OFDM system on block-type and comb-type pilot arrangement 

      Mohd Suhaizal, Abu Hassan; Abid, Yahya, Dr.; Farid, Ghani, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In orthogonal frequency division multiplexing (OFDM) systems over time-varying and frequency-selective fading channel, channel estimation and tracking is generally carried out by transmitting known pilot symbols in given ...

    • Characteristic region based image steganography using Speeded-Up Robust Features technique 

      Nagham, Hamid; Abid, Yahya; R. Badlishah, Ahmad, Prof. Dr.; Osamah Al-Qershi (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Steganography is the art and science of invisible communication. It is employed in different useful a pplications, like, safe circulation of secret data and Medical I maging Systems. For most of the current steganography ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • Detection of tubercle bacilli in Ziehl-Neelsen stained sputum slide images using Hu’s moment and HMLP network 

      Rafikha Aliana, A. Raof; Mohd Yusoff, Mashor, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Noor, S. S. M.; M. A. Abdullah; M. K. Osman (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Manual screening by light microscopy is the most widely used method for tubercle bacilli detection in the developing country. However, it is a time consuming and labour-intensive process. In this paper, a method using image ...

    • 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 ...

    • Electromyographic responses during elbow movement at two angles with voluntary contraction: Influences of muscle activity on upper arm Biceps Brachii 

      Nizam Uddin, Ahamed; Sundaraj, Kenneth, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr.; Matiur, Rahman; Asraf, Ali; Anamul, Islam (Maxwell Scientific Organization, 2012-11-15)
      Analysis of Electromyography (EMG) signals generated by individuals is part of human musculoskeletal system research and signals are always influenced by the electrode placement in the muscle. This characteristic is also ...

    • 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 ...

    • Gait disorder rehabilitation using vision and non-vision based sensors: A systematic review 

      Asraf, Ali; Sundaraj, Kenneth, Prof. Madya Dr.; R. Badlishah, Ahmad, Prof. Dr.; Nizam, Ahamed; Anamul, Islam (Association of Basic Medical Sciences of Federation of Bosnia and Herzegovina, 2012-08)
      Even though the amount of rehabilitation guidelines has never been greater, uncertainty continues to arise regarding the efficiency and effectiveness of the rehabilitation of gait disorders. This question has been hindered ...

    • 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 ...

    • 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 ...