Browsing R. Badlishah Ahmad, Prof. Ir. Ts. Dr. by Issue Date
Now showing items 41-60 of 147
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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 ... -
Design and analysis of a novel dielectric loaded helical antenna
(World Scientific and Engineering Academy and Society (WSEAS) Press, 2009)Helical antennas have been a popular antenna configuration for various applications for its simple structure. This work describes the study on a novel, custom-shaped dielectric loaded helical antenna incorporated on an ... -
Performance of random diagonal code for OCDMA systems using new spectral direct detection technique
(Elsevier Inc, 2009-01-31)This paper studies the performance of random diagonal (RD) code for spectral-amplitude coding OCDMA (SAC-OCDMA) system using a newly proposed spectral direct detection technique. RD code is constructed using code segment ... -
Estimation of mobile robot orientation using neural networks
(Institute of Electrical and Electronics Engineering (IEEE), 2009-03-06)The computation of a mobile robot position and orientation is a common task in the area of computer vision and image processing. For a successful application, it is important that the position and orientation of a mobile ... -
Ant colony system with stagnation avoidance for the scheduling of real-time tasks
(Institute of Electrical and Electronics Engineers (IEEE), 2009-03-30)This paper presents a meta-heuristic approach, namely, the Ant Colony System for non-preemptive scheduling of real-time tasks under timing and precedence constraints on a single processor architecture. The present paper ... -
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 ... -
Web-based portable network traffic monitoring system based on embedded linux and SBC
(Institute of Electrical and Electronics Engineering (IEEE), 2009-04-03)This paper describes the design and implementation of a web-based portable network traffic monitoring system (PNtMS) on an embedded linux platform, based on single board computer (SBC). The functionality of the monitoring ... -
Performance of random diagonal code for OCDMA systems using new spectral direct detection technique
(Elsevier Inc., 2009-06)This paper studies the performance of random diagonal (RD) code for spectral-amplitude coding OCDMA (SAC-OCDMA) system using a newly proposed spectral direct detection technique. RD code is constructed using code segment ... -
Performance analysis of multipath routing based on source routing
(Universiti Malaysia Pahang (UMP), 2009-06-20)Mobile AdHoc Networks (MANETs) is a collection of mobile hosts forming a temporary network without the aid of any established infrastructure or centralized administration, and they interact with each other over wireless ... -
Wireless cameras network for Intelligent Traffic Surveillance system
(Universiti Malaysia Perlis, 2009-10-11)Wireless Networks (WNs) have attracted wide interests in both academic and industrial communities due to their diversity of applications. In this paper a Wireless Camera Network (WCN) which utilizes advanced embedded ... -
Active stereo vision based system for estimation of Mobile Robot Orientation using composition matrix
(Universiti Malaysia Perlis, 2009-10-11)The computation of a mobile robot position and orientation is a common task in the area of computing vision and image processing. For a successful application, it is important that the position and orientation of a mobile ... -
A development of fractal PIFA (Planar Inverted F Antenna) with bandwidth enhancement for mobile phone applications
(Institute of Electrical and Electronics Engineers (IEEE), 2009-11-16)A novel Fractal planar inverted F antenna (F-PIFA) based on the self affinity design is presented in this paper. The procedure for designing a Fractal Planar Inverted F Antenna is explained and the 2nd iteration of Sierpinski ... -
A development of fractal PIFA (Planar Inverted F Antenna) with bandwidth enhancement for mobile phone applications
(Institute of Electrical and Electronics Engineering (IEEE), 2009-11-16)A novel Fractal planar inverted F antenna (F-PIFA) based on the self affinity design is presented in this paper. The procedure for designing a Fractal Planar Inverted F Antenna is explained and the 2nd iteration of Sierpinski ... -
Vehicle Speed Detection for Smart Surveillance System
(Universiti Malaysia Perlis, 2010-01-07)Vehicle tracking systems has been pervasively applied to monitor the traffic and road safety where existing vehicle tracking systems use video image processing technique. In visual monitoring a security analyst normally ... -
Embedded OFDM Trainer KIt
(Universiti Malaysia Perlis, 2010-01-07)Orthoganal Frequency-Division Multiplexing (OFDM) is a processing and emerging choice of technology for wireless transmission system. OFDM has been adopted as the standard for wireless local area network (WLAN) systems ... -
Design considerations of high performance optical code division multiple access: A new spectral amplitude code based on laser and light emitting diode light source
(The Institution of Engineering and Technology, 2010-02-01)A new code of optical code division multiple access (OCDMA) based on spectral amplitude coding (SAC) is described and analysed. The coding technique is called random diagonal (RD) code. One of the important properties of ... -
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) ... -
A Bandwidth-improved slotted circular microstrip antenna (CMSA) for High Altitude Platform Stations (HAPS)
(Institute of Electrical and Electronics Engineering (IEEE), 2010-04-12)An investigative design of a circular microstrip antenna (CMSA) and its related geometry intended for 5850 - 7075 MHz Malaysia HAPS operating band is presented. The structure consists of three layers, with the radiator ... -
Design and analysis of an UTeM antenna
(Institute of Electrical and Elctronics Engineering (IEEE), 2010-04-12)Meander line antenna design with parasitic element was investigated. The overall antenna design structure referred to the UTeM logo. This antenna has been designed to operate at 2.4GHz which are specified by IEEE 802.11b/g ...