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A compact dual-band rectangular ring printed antenna for wireless local area network (WLAN) applications is proposed and investigated in this paper. The dual-band is realized by using a rectangular ring patch connected with a 50Ω mini-coaxial feed structure composed of a longitudinal slot and a small rectangular, occupying a small board space of 30.6mm∗6mm on the system circuit board. With a modified...
This paper presents a design of compact tri-band F-shaped slot antenna using complementary split ring resonator (CSRR) for Mobile and Wireless Local Area (WLAN) applications. The aim of this paper is to design a very small-profile antenna (27.48×26.59mm2) or 0.08λ0× 0.08λ0 (λ0 = 900 MHz) that can operate in tri-band frequency ranges around 900MHz, 1800MHz and 2.4GHz. By etching F-shaped slots on each...
In this paper, an Ultra Wideband (UWB) Monopole antenna is proposed for several applications. The size of the antenna is 55mm × 35mm × 1.7mm with dual F-slots in its ground plane and three different pairs of rectangular slots in its upper patch. In order for the antenna to resonate at multiple frequencies or to attain wide impedance bandwidth, the relative lengths, heights and positions of the slots...
The printed monopole antenna having dual band is proposed which operates at frequency 2.54 GHz (Bluetooth) and 5.2GHz (WLAN). Bluetooth and WLAN have been widely applied in all new trending laptops and smart phones. These two technologies are well known for its effective cost and high-speed data connection. The antenna comprises of two rectangular patches of different sizes for the required dual-band...
Dielectric Resonator Antenna (DRA) plays a vital role in the wireless communication systems due to its support for wide impedance bandwidth and symmetrical radiation pattern. Dielectric Resonator Structures (DRS) combined with metallic structures reduce the antenna size at low frequency bands of operation. In this paper, a monopole antenna is designed to operate at 5.5 GHz and the antenna performance...
Recent years have seen development of variety of dual band antennas specifically for next generation wireless communications systems that will require increased bandwidth and higher data rates. These dual band antennas find application in mobile terminals, such as cellular devices or portable laptops, Wi-Fi dongles. Antennas employed in such systems have certain requirements: High gain, stable and...
This paper presents the design of tri-band planar dipole antenna for PCS and WLAN services. A modification is made in the previously presented dipole antenna design [1]. The configuration of the proposed dipole antenna is given in Figure 1(a). The antenna design consists of a printed dipole and two parasitic elements which are behaving as resonators by coupling from the driving element. The proposed...
Frequency selective metamaterial-inspired antenna for dual-frequency operation incorporating two switches (SWs) has been proposed. Length of radiating element is varied which provides easy frequency re-configurability at WiMAX (3.5–3.57 GHz) and WLAN (5–5.5 GHz). The proposed antenna offers impedance bandwidths of 13.6% (at 3.39 GHz) and 17.2% (at 5.05 GHz) with average peak gains of 1.49 dB and 1...
A novel modified-design of Hilbert curve is presented, which has stable frequency response for both TE and TM polarizations. Furthermore, a frequency selective surface (FSS) based on this modified-Hilbert curve is proposed for shielding against dual-band WLAN. It has an insertion loss of more than 15 dB with the bandwidths of 220 MHz at 2.45 GHz and 160 MHz at 5.78 GHz. The proposed FSS provides an...
In this paper, an antenna for 4G and WLAN devices is proposed. The proposed antenna is designed using Planar Inverted F Antenna (PIFA) structure. The antenna uses Rogers Duroid 5880 as a dielectric substrate and metallic ground plane. The dimensions of the top patch are 18.5 mm × 18.5 mm and thus making it a low profile antenna. The designed antenna covers WLAN (2.4–2.48 GHz) & 4G LTE (2300–2400...
In this paper, a coaxially excited dual band triangular dielectric resonator antenna (DRA) for WLAN application is presented. Two equilateral triangle shaped DRA, having εr=10.2 are excited simultaneously using a coaxial cable to resonate at 2.4–2.5GHz and 5.75–5.85 GHz bandwidth. The height of coaxial cable is varied and appropriately fine tuned to bring proper impedance matching. The performance...
In this paper, we present a planar unidirectional printed Dual-Band antenna for wireless communications. The first band covers global system for mobile communication (GSM), universal mobile telecommunication system (UMTS), wirless local area network (WLAN) and long term evaluation (LTE), while the second one covers the Worldwide Interoperability for Microwave Access (Wi-MAX) band. The antenna is composed...
A triple-frequency patch antenna with coplanar waveguide (CPW)-fed structure is presented in this paper for simultaneously satisfying wireless local area network (WLAN) and worldwide interoperability for microwave access (WiMAX) applications. The proposed antenna mainly consists by three radiating elements: Stub1, Stub2 and Stub3 with a defected ground plane for band broadening. By adjusting the lengths...
The paper presents an ultra wide band filter using asymmetrical interdigital coupled line with a transmission notch at the WLAN band. The lower side transmission zero can be conveniently tuned by stepped impedance resonators of proper dimensions. The frequency notch for WLAN band is introduced by two half wavelength open ring resonators etched on the ground plane. The attenuation in lower and upper...
A miniaturized dual-band antenna is proposed and investigated by combining spiral and meander lines for wireless local area network (WLAN) applications. The proposed antenna consists of a meander line and a spiral line, which are used to generate the bands of 2.37–2.58GHz and 5.11–5.96GHz. The proposed antenna fed by a 50-Ohm mini-coaxial line has a small size of 12.5×7.5 mm2. The experimental results...
A multi-band hybrid PIFA/loop antenna is proposed for the application of mobile communications terminals. The antenna is an internal antenna and very compact in comparison with conventional mobile antennas. It has been demonstrated that the proposed antenna can cover all the commonly required WLAN frequency bands, including 2.4 GHz (2.4–2.484 GHz), 5.2 GHz (5.15–5.35 GHz), and 5.8 GHz (5.725–5.825...
In this article, the ability of a single layer strip fed printed monopole antenna, which is composed of top-loading, asymmetric co-planar waveguide (ACPW) and stepped-feeding structure, to operate at four wide frequency bands (698MHz∼960MHz, 1710MHz∼2690MHz, 2400MHz∼2500MHz and 3410∼3600MHz) to cover LTE and WLAN operation has been demonstrated. The finite-size ground-strip of ACPW is not a perfect-ground,...
This paper proposes a compact polygon shaped split ring monopole antenna (SRMA) for 2.4/5.0/5.9/7.0 GHz WLAN/WAVE/ITU band applications. The single ring polygon split ring resonator (SRR) structure makes the antenna design simple and compact compared with conventional dual ring SRRs. A wideband behavior is achieved in the upper frequency band by the use of multiple similar edges of polygon and the...
A reconfigurable antenna covering three bands of frequencies WLAN, WiMAX, LTE Communication bands is designed. This antenna operates between these bands with the activation of two switches. The proposed antenna has small size and low profile design and occupies a volume of 18×20×0.5 mm3. The results include analysis of return loss and peak gain of antenna. High Frequency Structure Simulator (HFSS)...
In this paper, a compact CPW-fed complimentary half split ring resonator (CHSRR) antenna for WLAN is proposed. The proposed antenna shows compact size (due to ZOR) with dimensions 0.18λ0× 0.15λ0× 0.03λ0 at center frequency of 5.57 GHz. Impedance Bandwidth of 14% (S11 < −10 dB) from 5.17–5.95 GHz has been achieved with monopole-type radiation pattern in xz-plane and dipolar-type radiation pattern...
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