Browsing by Author "Lai, Don-Yen"

Now showing 1 - 3 of 3

A compact dual-band dual-polarized patch antenna for 1800/5800 MHz cellular/WLAN systems
(2007-02-01)
Lai, Don-Yen
;
Chen, Fu-Chiarng
;
電信工程研究所
;
Institute of Communications Engineering
In this paper, we present a compact dual-band dual-polarized aperture-coupled patch antenna for 1800/5800 MHz DCS/WLAN applications. With properly designed feeding network and patch dimensions, the antenna can provide a pair of orthogonal linear polarization states for dual bands operations. (c) 2006 Wiley Periodicals, Inc.
A Low-Profile Switchable Quadripolarization Diversity Aperture-Coupled Patch Antenna
(2009)
Wang, Shi-Yung
;
Lai, Don-Yen
;
Chen, Fu-Chiarng
;
電信工程研究所
;
Institute of Communications Engineering
In this letter, we present a low-profile switchable quadripolarization diversity aperture-coupled patch antenna. The proposed antenna can provide four polarization states by controlling the dc bias voltage of four p-i-n diodes in the feeding network. The experimental results validate the novel antenna provides polarization diversity features for wireless local area networks (WLANs) and multiple-input-multiple-output (MIMO) systems.
A reconfigurable quadri-polarization diversity aperture-coupled patch antenna
(2007-03-01)
Wu, Yi-Fan
;
Wu, Chun-Hsien
;
Lai, Don-Yen
;
Chen, Fu-Chiarng
;
電信工程研究所
We present a novel reconfigurable quadri-polarization diversity aperture-coupled patch antenna which can provide four polarization states. By controlling the do bias voltage of the pin-diodes on the feeding network, we can reconfigure the proposed antenna to provide a pair of orthogonal linear polarizations and a pair of orthogonal circular polarizations. Numerical and experimental results validate our design. This novel antenna provides potential polarization diversity features for wireless local area networks and multiple-input multiple-output systems.