Browsing R. Badlishah Ahmad, Prof. Ir. Ts. Dr. by Title

Now showing items 71-90 of 147

    • 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 ...

    • Implementation and analysis of integration GSM/GPRS modem in a TMS320VC6713 digital signal processor for Vehicle Location 

      Hasliza, A. Rahim; R. Badlishah, Ahmad. Dr.; 'Aini Syuhada, Md Zain; U. U., Sheikh (Institute of Electrical and Electronics Engineers (IEEE), 2010-05-11)
      The rapidly evolving wireless communications environment and 3G, where the standard are constantly created and modified, has given rise to the integration of GPS (Global Positioning System) and GSM (Global System for Mobile ...

    • 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 ...

    • Improving BER using RD Code for spectral amplitude coding optical CDMA network 

      Fadhil, H.A; Syed Alwee Aljunid, Syed Junid; R. Badlishah, Ahmad (Institute of Electrical and Electronics Engineering (IEEE), 2009)
      A new code for spectral-amplitude coding optical code-division multiple-access system is proposed called random diagonal (RD) code. This code is constructed using code segment and data segment. One of the important properties ...

    • 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 ...

    • 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 ...

    • Investigate spectrum-sliced WDM System for FTTH 

      Nasim, Ahmed; Syed Alwee Aljunid, Syed Junid, Prof. Madya Dr.; R. Badlishah, Ahmad, Prof. Madya Dr.; Hilal Adnan, Fadhil, Dr.; Mohd Abdur, Rashid, Dr. (Springer-Verlag Berlin Heidelberg, 2011-06-27)
      In this paper, we have investigated the performance of spectrumsliced WDM system for FTTH network using NRZ modulation format with 2.5 Gb/s bit rates and 0.4-nm channel spacing. The bit-error-rate (BER) measured against ...

    • LAN packet acquisition system using ARM based SBC 

      Naufal, Alee; Mostafijur, Rahman; R. Badlishah, Ahmad, Prof. Madya Dr.; Zahereel Ishwar, Abdul Khalib (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Due to computer hardware technologies software developers are more focusing to develop embedded software. LAN packet acquisition system can embed on ARM based embedded Linux based single board computer (SBC). This paper ...

    • 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, ...

    • Mechanomyography sensor development, related signal processing, and applications: A systematic review 

      Md. Anamul, Islam; Sundaraj, Kenneth, Prof. Dr.; R. Badlishah Ahmad, Prof. Dr.; Nizam Uddin, Ahamed; Md. Asraf, Ali (IEEE Conference Publications, 2013)
      Mechanomyography (MMG) is extensively used in the research of sensor development, signal processing, characterization of muscle activity, development of prosthesis and/or switch control, diagnosis of neuromuscular disorders, ...

    • 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 ...

    • Metamaterial entrenched circular microstrip antenna for Malaysia HAPS 

      Muhammad Ezanuddin, Abdul Aziz; Mohd Fareq, Malek, Dr.; Soh, Ping Jack; R. Badlishah, Ahmad, Assoc. Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-04-12)
      A circularly microstrip antenna (CMSA) with its related geometry intended for 5850-7075 MHz Malaysia HAPS operating band are presented here. Construction are made into three layers having layer three surface copper ...

    • Microwave wedge absorber design using rice husk - An evaluation on placement variation 

      Nornikman, Hassan; Soh, Ping Jack; Fareq, Malek, Dr.; Azremi, Abdullah Al Hadi; Wee, Fwen Hoon; R. Badlishah, Ahmad, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-04-12)
      Placement variation is one example of parameters that critically affects the performance of RF absorbers. In this work, four designed variation patterns - W, X, Y, and Z were discussed to compare the reflectivity (Sll) ...

    • Modeling and simulation of WSNs for agriculture applications using dynamic transmit power control algorithm 

      Latifah Munirah, Kamarudin; R. Badlishah, Ahmad, Prof. Dr.; Ndzi, David, Dr.; Ammar, Zakaria; Ong, Bi Lynn, Dr.; Kamarulzaman, Kamarudin; Azizi, Harun; S. M., Mamduh (Institute of Electrical and Electronics Engineers (IEEE), 2012-02)
      Simulation platforms have become important tools in the design and evaluating of protocols for Wireless Sensor Networks. Thus the use of realistic models in simulation is important for the development of protocols. However, ...

    • Modified median filter for noise reduction 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)
      Image filtering is an important approach in the area of digital image processing for noise reduction. The time cost and output image quality in the filtering system are two convention measures in selecting the appropriate ...

    • Multiband fractal planar inverted F antenna (F-PIFA) for mobile phone application 

      Saidatul, N.A.; Azremi, Abdullah Al Hadi; R. Badlishah, Ahmad, Prof. Madya Dr.; Soh, Ping Jack; Fareq, Malek (EMW Publishing, 2009)
      The design of a novel Fractal planar inverted F antenna (F-PIFA) based on the self affinity property is presented in this paper. The procedure for designing a Fractal Planar Inverted F Antenna is explained and three different ...

    • Multiband fractal planar inverted F antenna (F-PIFA) for mobile phone application 

      Saidatul Norlyana, Azemi; Azremi, Abdullah Al Hadi; R. Badlishah, Ahmad, Prof. Madya Dr.; Soh, Ping Jack; Fareq, Malek, Dr. (EMW Publishing, 2009)
      The design of a novel Fractal planar inverted F antenna (F-PIFA) based on the self affinity property is presented in this paper. The procedure for designing a Fractal Planar Inverted F Antenna is explained and three different ...

    • New approach for evaluation of the performance of spectral amplitude coding-optical code division multiple access system on high-speed data rate 

      Thanaa Hussein, Abd.; Syed Alwee Aljunid, Syed Junid, Prof. Dr.; Hilal Adnan, Fadhil, Dr.; R. Badlishah, Ahmad, Prof. Dr.; Mohd Abdur, Rashid, Dr. (The Institution of Engineering and Technology, 2012-08-14)
      In this study, the authors proposed a new approach to evaluate the system performance of spectral amplitude codingoptical code division multiple access (SAC-OCDMA) systems. The system performance is evaluated based on a ...