Browsing R. Badlishah Ahmad, Prof. Ir. Ts. Dr. by Title
Now showing items 82-101 of 147
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Mechanomyography sensor development, related signal processing, and applications: A systematic review
(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
(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
(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
(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
(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
(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
(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
(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
(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 ... -
New code for spectral-amplitude coding optical code-division multiple-access systems
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-16)In this paper we present a novel code family for SAC-OCDMA system. The new code technique is called Dynamic Cyclic Shift (DCS) code. Which more flexible in selection the code length with variable cross correlation. ... -
New code structure for spectral amplitude coding OCDMA system
(The institute of Electronics, Information and Communication Engineers (IEICE), 2008-10)A new code structure for spectral amplitude coding in optical code division multiple access (OCDMA) systems called Smart Direct Detection (SDD) code is proposed. SDD code is constructed using code segment and data segment. ... -
New code structures based on coherent and incoherent sources for spectral amplitude coding-OCDMA systems
(Institute of Electrical and Electronics Engineers (IEEE), 2009-04-03)A new code of optical code division multiple access (OCDMA) based on Spectral Amplitude Coding (SAC) is described and analyzed. The coding technique is called Random Diagonal "RD" code. One of the important properties of ... -
Non-invasive electromyography-based fatigue detection and performance analysis on m. biceps brachii muscle
(IEEE Conference Publications, 2013)Muscle fatigue occurs most frequently due to repetitive movements in our day-to-day activities. The powerful use of muscles might cause a decline in performance. In this study, the effects of muscle fatigue involving only ... -
A novel 2.45GHz switchable beam textile antenna (SBTA) for outdoor wireless body area network (WBAN) applications
(EMW Publishing, 2013)A novel switchable beam textile antenna (SBTA) for wireless body area network (WBAN) applications is proposed. The SBTA is centrally-fed by a coaxial probe and the power distributed over four circular radiating elements. ... -
On coverage analysis for LTE-A cellular networks
(Engg Journals Publications, 2013)In this paper we analyze the coverage area for LTE-A cellular network by taking into account the interference of first tier and frequency reuse planning. We considered the numerical calculations and simulation results to ... -
Outdoor propagation analysis for LR-WPAN IEEE 802.15.4
(Institute of Electrical and Electronics Engineers (IEEE), 2010-09-22)This paper presents a preliminary study to obtain the propagation characteristics for IEEE 802.15.4 Low Rate-Wireless Personal Area Network (LR-WPAN). Two units of Wireless Sensor Networks Nodes (WSNs) were used in this ... -
An overview of low density parity check codes
(Asian Network for Scientific Information, 2010-07-10)Not available -
A parametric study of broadband planar inverted F antenna (PIFA) for WLAN application
(Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)A novel of comprehensive study and useful information for the design of broadband Planar Inverted F antenna (PIFA) is proposed. The antenna including the ground plane has a total dimension 6mm × 70mm × 30mm has been optimized ... -
A parametric study of broadband planar inverted F antenna (PIFA) for WLAN application
(Institute of Electrical and Electronics Engineering (IEEE), 2008)A novel of comprehensive study and useful information for the design of broadband Planar Inverted F antenna (PIFA) is proposed. The antenna including the ground plane has a total dimension 6mm × 70mm × 30mm has been optimized ... -
Performance analysis and prediction using circuit model in a microstrip patch array
(Institute of Electrical and Electronics Engineering (IEEE), 2007)This work is an effort in investigating and modeling an accurate Circuit Model derived from the Transmission Line Method (CM/TLM) by simulating a rectangular microstrip patch array using two different simulation techniques, ...