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Antennas

A Triple-band Polygonal Slot Antenna for WiMAX Applications

A printed polygonal slot antenna, fed by a 50 Ω microstrip-line and with two narrow strips for three-band operation, is proposed and experimentally studied. The polygonal slot antenna was found to be broadband (1.85 to 5.83 GHz). When two narrow s...
In recent years, wireless communications have progressed very rapidly. The IEEE 802.16 Working Group has created a new standard, commonly known as WiMAX (Worldwide Interoperability for Microwave Access), for a low cost, broadband, wireless access at high speed, which is easy to deploy. 1 WiMAX technology can reach a...
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A 60 GHz Millimeter-wave CMOS RFIC-on-chip Dipole Antenna

This article presents a 60 GHz millimeter-wave RFIC-on-chip dipole antenna, fabricated with a 0.18 μm CMOS process. A planar dipole-antenna structure with an integrated microstrip via-hole balun was adopted to design this RFIC-on-chip antenna. The...
There is an increasing demand for broadband multimedia components to satisfy the ever-increasing capacity of wireless networks. In particular, for dense local communications, the 60 GHz band for wireless personal area network (WPAN) applications is of special interest for short-range communications, due to the RF attenuation of the atmospheric...
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A Low Profile Multi-band U-shaped Aperture-coupled Microstrip Antenna with a Coil

In this article, an L-shaped probe-fed, U-slot patch antenna with a coil element is studied. The L-shaped probe feed is used to enhance the impedance matching, which is necessary because of a low radiation resistance in the usable band. The coil contri...
Microstrip patches are an attractive type of antenna because of their low cost, conformability and ease of manufacture. The aperture-coupled configuration 1 also provides the advantage of isolating spurious feed radiation by using a common ground plane. The primary barrier to the implementation of these antennas in many applications,...
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