Soh Ping Jack, Assoc. Prof. Dr.: Recent submissions
Now showing items 21-40 of 56
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Wearable dual-band Sierpinski fractal PIFA using conductive fabric
(Institute of Electrical and Electronics Engineers (IEEE), 2011-03-17)A novel planar inverted-F antenna (PIFA), incorporating a triangular Sierpinski gasket, is presented. The used conducting textile and polyester fleece allow easy on-body integration and simple practical fabrication. It ... -
Design and simulation of a Sierpinski Carpet Fractal PIFA for WLAN and HiperLAN application
(Institute of Electrical and Electronics Engineers (IEEE), 2010-11-09)This paper describes the design and simulation of Sierpinski Carpet Fractal Planar Inverted F Antenna (PIFA) for WLAN and HiperLAN applications. Simulation of antenna is carried out using CST software; on a FR4 board ... -
Investigation of complementary split ring resonators with dielectric ring
(Institute of Electrical and Electronics of Engineering (IEEE), 2010-11-08)This paper present development in relation to a wideband antenna comprising a disk antenna and a plurality of circular split ring resonators coupled with a high dielectric ring. Using slotted resonators together with ... -
Reflection loss performance of hexagonal base pyramid microwave absorber using different agricultural waste material
(Institute of Electrical and Electronics Engineers (IEEE), 2010-11-08)Hexagonal base pyramid microwave absorber is the new design of microwave absorber. In this work, two sub-shapes are considered to compare it reflection loss performance. The shapes are hexagonal and truncated hexagonal ... -
Effect on source signal condition for pyramidal microwave absorber performance
(Institute of Electrical and Electronics Engineers (IEEE), 2010-05-11)In designing a microwave absorber for anechoic chamber, there are many condition can affect the performance of microwave absorber. In this work, four conditions are discussed to compare the reflectivity or S11 of the ... -
Design and simulation of a modified Minkowski fractal antenna for Tri-Band application
(Institute of Electrical and Electronics Engineers (IEEE), 2010-05-26)This work presents a novel tri-band Minkowski planar antenna, using a modified planar monopole-shaped ground plane. The fractal structure is advantageous in generating multiple resonances, while the modified ground plane ... -
Design of single layered circular and rectangular U-slotted, CPW-fed antennas and arrays for RFID applications
(Institute of Electrical and Electronics Engineers (IEEE), 2010-05-26)This work describes the design of high gain, U-slot antennas for RFID 915 MHz (902- 928 MHz) applications. Four types of antenna were designed, optimized and evaluated - a circular, U-slotted antenna, a rectangular ... -
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 ... -
Parametric studies of the pyramidal microwave absorber using rice husk
(Institute of Electrical and Electronics Engineers (IEEE), 2010)Agriculture waste has potential to be used as an alternative material for the microwave absorber used in the anechoic chamber. Compared to the current materials used, such as polystyrene and polyurethane, agricultural waste ... -
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) ... -
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 ... -
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 ... -
Investigation on the CCSRR influences towards CSMA with air gap for HAPS
(Institute of Electrical and Elctronics Engineering (IEEE), 2010)A circular profile microstrip antenna and its related structural dimensions meant for 5850 -7075 MHz Malaysia HAPS operating band are investigated here. Appearing by three layers and having layer three surface copper ... -
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 ... -
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 of pyramidal microwave absorber using agriculture waste with different resin content percentage
(Universiti Malaysia Pahang (UMP), 2009-06-20)Agriculture waste has many potential to produce an alternative and beneficial product for any suitable application such as microwave absorber for anechoic chamber. In this work, agriculture waste like rice husk from ... -
Free space measurement technique on dielectric properties of agricultural residues at microwave frequencies
(Institute of Electrical and Electronics Engineering (IEEE), 2009-11-03)Principles to determine dielectric properties measurement using microwave free-space transmission measurements technique is presented in this paper. The project's main objective was to measure the dielectric properties of ... -
Design of a fork-tuned antenna for Ultra-WideBand (UWB) communications
(Institute of Electrical and Electronics Engineering (IEEE), 2009-12-07)Presented here is a microstrip antenna designed for Ultra Wideband (UWB) with an achievement of return loss below -10dB beginning from 6.5 GHz to 10.5 GHz attaining a bandwidth of 4 GHz. It radiates omni-directionally with ... -
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 ... -
Design of split ring resonator filters for interference suppression in UWB
(Institute of Electrical and Electronics Engineering (IEEE), 2008-12-02)Microstrip stop-band filters based on complementary split ring resonators has been proposed in this project. Two shapes (circle and square) of SRRs have been investigated to come out device which is designed to suppress ...