Journal ArticleDOI
Directional reconfigurable antennas on laptop computers: Simulation, measurement and evaluation of candidate integration positions
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TLDR
This study reports on the integration of a novel reconfigurable microstrip antenna capable of reconfiguring both its radiation pattern and frequency response onto a generic laptop computer structure.Abstract:
This study reports on the integration of a novel reconfigurable microstrip antenna capable of reconfiguring both its radiation pattern and frequency response onto a generic laptop computer structure. The purpose of such an exercise is to provide the relevant information necessary to integrate high performance antennas onto structures that can be used in ad hoc communication scenarios as well as other demanding applications. To pre-evaluate candidate antenna locations on the laptop chassis, an electromagnetic visibility study (EVS) is performed. Once integrated into candidate positions that have been analyzed by the EVS, the operation of the antenna on the host structure is measured and assessed with consideration to several realistic electromagnetic environments. The resulting performance and packaging issues are discussed. A formalized procedure for the integration of the antenna onto any host chassis using the EVS as a tool is also included.read more
Citations
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Journal ArticleDOI
Pattern and frequency reconfigurable annular slot antenna using PIN diodes
Symeon Nikolaou,R. Bairavasubramanian,C. Lugo,I. Carrasquillo,D. Thompson,George E. Ponchak,John Papapolymerou,Manos M. Tentzeris +7 more
TL;DR: In this paper, the use of pin diodes to reconfigure the impedance match and modify the radiation pattern of an annular slot antenna (ASA) was presented. But the antenna was designed to operate at 5.2 and 6.4 GHz.
Journal ArticleDOI
Electrically Small UAV Antenna Design Using Characteristic Modes
Yikai Chen,Chao-Fu Wang +1 more
TL;DR: A novel concept of antenna design for an electrically small unmanned aerial vehicle (UAV) using the theory of characteristic modes and a multi-objective evolutionary algorithm is implemented to synthesize currents on the UAV body for achieving desired power patterns.
Journal ArticleDOI
Uniplanar Printed Coupled-Fed PIFA With a Band-Notching Slit for WLAN/WiMAX Operation in the Laptop Computer
Cheng-Tse Lee,Kin-Lu Wong +1 more
TL;DR: In this paper, a small-size uniplanar printed antenna suitable for 2.4/5.8 GHz WLAN and 2.5/3.5 GHz WiMAX operations is presented.
Journal ArticleDOI
A Wideband Slotted Bow-Tie Antenna With Reconfigurable CPW-to-Slotline Transition for Pattern Diversity
Sung-Jung Wu,Tzyh-Ghuang Ma +1 more
TL;DR: In this article, a slotted bow-tie antenna with pattern reconfigurability is proposed, which consists of a coplanar waveguide (CPW) input, a pair of reconfigurable CPW-to-slotline transitions, a Vivaldi-shaped radiating tapered slots, and four PIN diodes.
References
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Journal ArticleDOI
A novel radiation pattern and frequency reconfigurable single turn square spiral microstrip antenna
TL;DR: In this paper, the authors present a novel pattern and frequency reconfigurable microstrip antenna that uses switched connections, which provides a re-directed radiation pattern while maintaining a common operating impedance bandwidth with the baseline configuration.
Journal ArticleDOI
Dual-frequency strip-sleeve monopole for laptop computers
TL;DR: In this paper, a dual-frequency strip-sleeve monopole antenna for use on a laptop computer is described, which operates simultaneously in the AMPS and PCS bands with return-loss less than -95 dB.
Proceedings ArticleDOI
Integrated laptop antennas - design and evaluation
TL;DR: In this paper, two performance parameters are used to define integrated antennas for laptop applications, one is SWR, and another is the average antenna gain, which can be used in a communication link budget model to predict system level performance such as throughput and range.
Proceedings ArticleDOI
Wireless LAN diversity antenna system for PCMCIA card integration
M. Liebendorfer,U. Dersch +1 more
TL;DR: The bent stacked slot antenna (BSSA) as discussed by the authors is a flat three-dimensional antenna with an omnidirectional radiation pattern with its main lobe in the direction of its groundplane.
Proceedings ArticleDOI
Analysis of integrated antenna positions on a laptop computer for mobile data communication
TL;DR: In this article, a study of the electromagnetic visibility of several different positions on a laptop computer using the finite difference time domain (FDTD) technique is presented. But the authors focus on the 2.4-2.484 GHz frequency band.