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2005 Asia-Pacific Conference on Applied Electromagnetics

20-21 Dec. 2005

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  • 2005 Asia-Pacific Conference on Applied Electromagnetics (IEEE Cat. No. 05EX1185)

    Publication Year: 2005
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  • Copyright page

    Publication Year: 2005, Page(s): 1
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  • [Title page]

    Publication Year: 2005, Page(s): i
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  • Conference committee

    Publication Year: 2005, Page(s): ii
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  • Foreword

    Publication Year: 2005, Page(s): iii
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  • Messages

    Publication Year: 2005, Page(s): iv
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  • Table of contents

    Publication Year: 2005, Page(s):v - xiv
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  • Adaptive Integral Method for Electromagnetic Scattering and Antenna Radiation

    Publication Year: 2005, Page(s):1 - 7
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4728 KB) | HTML iconHTML

    This paper presents an efficient and fast solver developed based on the adaptive integral method and its application for characterizing electromagnetic scattering by arbitrarily shaped objects, and designing antennas for large scaled radio radiation problems. Although a brief summary of the historical development will be given, the emphasis of the paper will be given to the recent advances and new... View full abstract»

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  • 3D EM in South East Asia - state of the art and future perspective

    Publication Year: 2005, Page(s):8 - 10
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1976 KB) | HTML iconHTML

    CST is proud to accompany the Malaysian Tiger's jump into the wireless and digital world by opening an office in Kuala Lumpur. In this paper CST presents applications of the Finite Integration Technique (FIT), a method which has been successfully used for more than 25 years for the solution of electromagnetic field problems. View full abstract»

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  • New Types of Microstrip Filters Using Defected Grounds

    Publication Year: 2005, Page(s):11 - 15
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2264 KB) | HTML iconHTML

    Using Finite Difference Time Domain (FDTD) and microwave circuit simulation tools the use of Defected Ground Structures (DGS) in microstrip low pass, band stop and band pass filters is investigated. The results obtained show that filters with very simple structures can be produced with good and predictable frequency responses. View full abstract»

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  • Accurate analysis and design of circularly polarized dual-feed microstrip array antenna using multiport network model

    Publication Year: 2005
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1735 KB) | HTML iconHTML

    Microstrip patch antennas (MPAs) with circular polarization are used in many communication and radar systems. There are several methods and models in order to analyze and design of these antennas. Multiport network model (MNM) is considered as one of the best models of MPAs. This model includes several circuit networks that are connected to each other and each of them represents one characteristic... View full abstract»

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  • Dual band patch antenna design using modified surface boundary hybrid FEM-FDTD technique

    Publication Year: 2005
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3320 KB) | HTML iconHTML

    The objective of this paper is to introduce the characteristics, relative merits and applications of the hybrid method between the finite-element method (FEM) and the finite difference time domain (FDTD), as applied to computational electromagnetic studies, e.g. antenna scattering modelling problems. An application of modified equivalent surface boundary using the hybrid FEM-FDTD technique [R. Ali... View full abstract»

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  • Dual band microstrip antenna for wireless LAN application

    Publication Year: 2005
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1731 KB) | HTML iconHTML

    This paper discusses the design of the multiband microstrip antenna operating at frequency 2.4 GHz and 5.2 GHz. The aim of the project is to design a dual band microstrip antenna which will be operating in the wireless LAN band, IEEE 802.11 a/b/g. The dimensions of the single elements of the operating frequencies were calculated using transmission line model. Two elements of inset fed microstrip a... View full abstract»

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  • Direct conversion receiver with active integrated antenna

    Publication Year: 2005
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2556 KB) | HTML iconHTML

    This paper describes numerical simulation, fabrication and experimental measurement of a compact miniature integrated antenna using direct conversion detection at 2.4 GHz. In this receiver design, Agilent's ADS software using momentum simulation and circuit simulation is employed to analyze the entire structure. Microstrip dipole antenna is integrated with 90deg hybrid coupler, oscillator and diod... View full abstract»

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  • Comparative radiation performance of different feeding techniques for a microstrip patch antenna

    Publication Year: 2005
    Cited by:  Papers (4)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3172 KB) | HTML iconHTML

    One of the important aspects of a microstrip patch antennas is the variety of feeding technique applicable to them. A good impedance matching condition between the line and patch without any additional matching elements depends heavily on feeding techniques used. This work is an effort to model and simulate three different types of microstrip antenna's feeding methods on a rectangular patch. Simul... View full abstract»

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  • Microstrip dipole antenna analysis with different width and length at 2.4 GHz

    Publication Year: 2005
    Cited by:  Papers (8)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2058 KB) | HTML iconHTML

    This paper discusses the design and simulation of microstrip dipole antenna at 2.4 GHz. In this antenna design, Agilent's Advanced Design System (ADS) software using momentum simulation is employed to analyze the entire structure. Different width (W = 3, 5, 7, 9 mm) of the arm of dipole antenna is analyzed to study on the performance of frequency resonance. From the simulation, the wider the width... View full abstract»

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  • The studies on different scaling factor for microstrip antenna design

    Publication Year: 2005
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2038 KB) | HTML iconHTML

    This paper had studied the effect of different scaling factor (tau) to microstrip log periodic antenna. Two value of scaling factor (tau) 1.02 and 1.05 had been studied. The bandwidth of the antenna has increase from 10.65% to 23.92% as bigger scaling factor were used. Five element antennas were applied in both designs. The simulation for the five elements was done using circuit simulator. The etc... View full abstract»

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  • Sierpenski gasket monopole antenna design

    Publication Year: 2005
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2049 KB) | HTML iconHTML

    The use of fractal geometry in designing antenna has been a recent topic of interest. It have already proved that fractal shaped have their own unique characteristics that improved antenna achievement. This paper presents about one of familiar geometry in fractal antenna, Sierpenski gasket monopole antenna is proposed for a multiband application. Two different dimension of the antenna has been des... View full abstract»

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  • Optimizing model of shipboard HF antenna placement

    Publication Year: 2005
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1352 KB) | HTML iconHTML

    Based on analyzing various parameters in course of positioning high frequency antennas on naval ship, this paper constructs the corresponding objective function model by using the weighted sum approach, solves the problems of high frequency antenna placement with multi-parameters, and sets up the constraint condition model by combining with the characteristics and the national military standard of... View full abstract»

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  • Microstrip Sierpinski carpet antenna design

    Publication Year: 2005
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1656 KB) | HTML iconHTML

    Low cost of fabrication and low profile features of microstrip antennas, attract many researchers to investigate the performance of this antenna in various ways. Today, fractal antenna becomes popular among the researcher because they have a peculiar properties that make them suitable for multiband applications. Fractal technologies allowed us to design miniature antennas and integrate multiple te... View full abstract»

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  • Wideband Sierpinski carpet monopole antenna

    Publication Year: 2005
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1440 KB) | HTML iconHTML

    This paper described the design and fabrication of the fractal Sierpenksi carpet monopole antenna. The properties of antennas such as bandwidth and radiation pattern have been investigated. Wide bandwidth with input return loss of -10 dB has been achieved from 1 GHz to 10 GHz using this fractal antenna. The radiation patterns have been investigated at 2.73 GHz and 4.29 GHz. The cross polar isolati... View full abstract»

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  • Small aperture radial waveguide slot array antenna design for indoor Bluetooth application

    Publication Year: 2005
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2048 KB) | HTML iconHTML

    The radial waveguide slot array (RWSA) antenna is known for its good characteristics such as low profile, low cost, aesthetically pleasing, ease of installation and simple structure. This research project involves the design and development of the novel linearly polarized small aperture radial waveguide slot array (RWSA) antenna for indoor Bluetooth applications operating based on ISM frequency ba... View full abstract»

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  • 4-port Butler matrix for switched multibeam antenna array

    Publication Year: 2005
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3184 KB) | HTML iconHTML

    This paper introduced the 4×4 Butler matrix as the beamforming network combined with 4 linear antenna arrays to produce four narrow steerable beams. The designed was aimed for resonance frequency 900 MHz in application of GSM base station transmitter. The position of radiation patterns achieved by this project then compared with the theoretical calculation and simulation using the PCAAD simu... View full abstract»

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  • A comparative study of small antenna efficiency measurements

    Publication Year: 2005
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1768 KB) | HTML iconHTML

    Three methods of determining an antenna's efficiency are compared to measure the efficiency of three different antennas (two monopole antennas with attenuator and surface mount resistor, and modified folded monopole patch antenna). The purpose of this paper is to show that how the antenna efficiency can be measured accurately and comparable in reverberation chamber, traditional wheeler cap method ... View full abstract»

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  • A compact dual-polarized aperture-coupled stacked patch antenna for GSM900 MHz

    Publication Year: 2005
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1592 KB) | HTML iconHTML

    In this paper, a simple compact design of a dual-polarized aperture-coupled patch antenna, suitable for GSM900 (890-960 MHz) base station antenna is presented. The proposed antenna has a stacked square radiating patch, which is only about 0.74 times that of the conventional design using simple stacked patch on the same substrate. The simulated results from IE3D simulation software shows that the b... View full abstract»

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