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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 planar monopole antenna with dual-band character for WLAN/Wi-Fi application. It can obtain the impedance bandwidths of 2.30–2.49 and 4.70–5.90 GHz with S11 less than −10 dB. The overall dimension of this antenna is 30 × 26mm 2. The antenna is printed on the substrate of FR4 with two “C”-shaped strips and a microstrip feed line on the front side and the ground plane on the flip...
This paper presents the development of dual-band patch antenna incorporated with split ring resonator (SRR) for Global Positioning System (GPS) and Wireless Local Area Network (WLAN) application. The antenna is composed of 3 layers of copper conductor flanking 2 layers of FR4 Epoxy dielectric substrate with the total thickness of 1.6mm and the dimension of 78.6mm × 48.4mm. The characterization shows...
Nowadays, the mobile phone base stations are situated everywhere due to huge increment in mobile phone usage around the world. However, these mobile base stations have increased the radio frequency exposure level creating issue of health symptoms as the scientific studies has investigated. So a triple band stop frequency selective surface has been proposed with single sided FR-4 substrate inbuilt...
Bandwidth enhancement of a rectangular monopole UWB antenna using M-shaped strip with triple band notched characteristic is presented. Antenna consists of an exciting rectangular patch with two C-shaped and one inverted U-shaped slots along with defected ground plane which is coupled with M shaped strip. By inserting slots to the rectangular patch, three notched frequency bands are achieved. A conceptual...
A periodic frequency selective surface (FSS) having triple frequency band reject behaviour has been proposed with a square and two dodecagon shaped element. These three elements of the FSS unit cell are embedded on the FR-4 substrate, which acts as a triple band reject filter on the frequency band 1.8 GHz, 2.5 GHz and 5.5GHz to avoid the leakage of GSM, WiMax and WLAN signal outside the building....
A novel polarization independent transmissive type frequency selective surface has been designed for three applications, these are WiFi, WiMax and WLAN. The uses of these applications are increasing day by day so it is important to enhance the working quality of such applications. In this paper a novel FSS has been designed based on these applications using FR4 Epoxy substrate having dielectric constant...
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, a modified slot aperture feed is presented. This new feed is applied to a cubic-shaped Dielectric Resonator as a result it resonates antenna in higher order TEσ13 modes at 5.59 GHz to achieve enhanced directivity (11.6dBi). This new feed is engineered by replacing the rectangular stub of conventional slot aperture feed with a circular metallic strip of radius 3mm. Which enhances the...
A novel reflective frequency selective surface has designed for triple band frequency applications that are for Wi-Fi (Wireless Fidelity), WiMax (Worldwide Interoperability for Microwave Access) and WLAN (Wireless Local Area Network). As these applications are most widely used so it is necessary to improve their performance and for this purpose frequency selective surface has been used. In this paper...
This document proposes a novel quad-band microstrip antenna. The proposed antenna primarily comprises of a horizontal H-shaped patch, an L-shaped open end stub, and a deformed inverted T-shaped strip with an isosceles triangular shape attached to it. The antenna resonates at four frequencies, 2.75 GHz, 3.34 GHz, 5.49 GHz and 6.65 GHz which makes it susceptible to use in WiFi, WiMAX, WLAN, Satellite...
Circularly polarized antennas are used mostly due to the advantages over linearly polarized antennas like Mis-alignment and cross-polarization etc. In this paper, a high gain stacked patch antenna is proposed in this two patches are arranging one above the other in a single substrate to achieve dual band characteristics for high gain frequency selective surface has been used. The proposed antenna...
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...
A novel circular slotted multiband antenna for wireless communication application is presented in this paper. The antenna design is quite simple, a defected ground structure (DGS) is created by a circular slots of different radii, 50 ohm feeding line as a radiator, and rectangular shape slit connected to a circular slots at ground plane. Moreover, reconfigurable multiband resonances are achieved by...
In this paper, a band pass frequency selective surfaces has been proposed to enhance the performance of 2.25 GHz, WiMax and WLAN devices. The objective of this design to increase the received signal strength of 2.25 GHz, WiMax and WLAN devices. This FSS is used to enhance the three signals having resonant frequency as 2.25 GHz, 3.5 GHz and 5.75 GHz and attenuate the rest signals in 1GHz to 6.5 GHz...
A single-substrate-layer frequency selective surface (FSS) with a 1.6 mm thick FR4 substrate is proposed for triple-band-stop filtering applications. The proposed design includes simple conductive elements on both sides of the substrate. A square loop is located on the top side, while on the backside, another square loop being combined with two folded arms is embedded. Wise inclusion of the conductive...
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...
This paper presents circular ring and square loop Band reject Frequency Selective Surfaces (FSSs) for dual band WiMax and single band WLAN applications. FSS consist of two square loops with four small square loops in back side & one square loop and circular ring with some slots in front side of the substrate. This FSS designed on the FR-4 dielectric substrate with a relative permittivity of 4...
The scope of this research paper is to present a new configuration of the dual frequency microstrip patch antenna for wireless local area network WLAN (5.15–5.35) GHz and Worldwide Interoperability for Microwave Access WiMAX (3.4–3.9) GHz applications. The proposed dual-frequency rectangular microstrip antenna with the vertex-fed pentagonal slot is resonates at 3.5 GHz and 5.15 GHz. The antenna performance...
In this paper, I have been put forward a new compact multiband plus shape CPW fed fractal antenna for wireless application. The presented design has been loaded up to the 2nd iteration with self-similar plus shape fractal patch of the order 1/3. The presented antenna has applicable up to 1–10 GHz frequency range. The simulation has been done via CST Microwave Studio as a electromagnetic simulator...
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