Dual-band Microstrip Patch Antenna Research Articles

Design of Dual Band Microstrip Patch Antenna using Metamaterial

Metamaterial has received great attention due to their novel electromagnetic properties. It consists of artificial metallic structures with negative permittivity (ɛ) and permeability (µ). The average cell size of metamaterial must be less than a quarter of wavelength, hence, size reduction for the metamaterial antenna is possible. In addition, metamaterial can be used to enhance the low gain and efficiency in conventional patch antenna, which is important in wireless communication. In this paper, dual band microstrip patch antenna design using metamaterial for mobile GSM and WiMax application is introduced. The antenna structure consists of microstrip feed line connected to a rectangular patch. An array of five split ring resonators (SRRs) unit cells is inserted under the patch. The presented antenna resonates at 1.8 GHz for mobile GSM and 2.4 GHz for WIMAX applications. The return loss in the FR4 antenna at 1.8 GHz is -22.5 dB. Using metamaterial the return loss has improved to -25 dB at 2.4 GHz and -23.5 dB at 1.8 GHz. A conventional microstrip patch antenna using pair of slots is also designed which resonates at 1.8 GHz and 2.4 GHz. The return loss at 1.8 GHz and 2.4 GHz were -12.1 dB and -21.8 dB respectively. The metamaterial antenna achieved results with major size reduction of 45%, better bandwidth and better returns loss if it is compared to the pair of slots antenna. The software used to design, simulate and optimize is CST microwave studio.

WITHDRAWN: Design and development of compact microstrip patch dual band antenna for wireless applications

Abstract In this paper, a novel dual band microstrip patch antenna based on composite patch antenna and radiating part. By selecting a suitable offset feed position, it is feasible to provide 50 Ω characteristic impedance and thus making better impedance matching. The proposed antenna has been improved broader bandwidth by using RT Duroid substrate. The radiating part is plays a important role in creating a lower operating band (2.45 GHz) in addition to achieve miniaturization. The proposed antenna has to be fabricated with RT/Duroid substrate and dimensions of 19 × 22 × 0.8 mm. The measured −10 dB bandwidth of 200 MHz at 3.45 GHz and 990 MHz at 5.45 GHz, which is quite useful for Industrial, Scientific and Medical (ISM) and WLAN applications.

Design and Development of Compact Microstrip Patch Antenna for Wireless Applications

In this paper, a novel dual band microstrip patch antenna based on composite patch antenna and radiating part. By selecting a suitable offset feed position, it is feasible to provide 50Ω characteristic impedance and thus making better impedance matching. The proposed antenna has been improved broader bandwidth by using RT Duroid substrate. The radiating part is plays a important role in creating a lower operating band (2.45 GHz) in addition to achieve miniaturization. The proposed antenna has to be fabricated with RT / Duroid substrate and dimensions of 19 × 22 × 0.8 mm. The measured -10 dB bandwidth of 200 MHz at 2.45 GHz and 990 MHz at 5.45 GHz, which is quite useful for Industrial, Scientific and Medical (ISM) and WLAN applications.

Dual-band microstrip patch antenna based on metamaterial refractive surface

In this paper, we present a new design of microstrip patch antenna based on metamaterial refractive surface (MRS). By optimizing the air gap between the MRS layer and the patch antenna to be 7 mm, the band width and the gain of the proposed antenna are significantly enhanced. The proposed prototype presents a dual band antenna. The center frequency for the first band is 2.44 GHz and the generated bandwidth is 25 MHz. The second band has a center frequency of 2.8 GHz and with a bandwidth of 50 MHz. The simulation results are analyzed and discussed in terms of return loss, gain and radiation pattern using electromagnetic simulator software. Finally, the designed dual band antenna is fabricated and different measurement results are performed and compared with simulation results in order to validate its performances. The proposed antenna supports WiBro (wireless broadband), ISM, WiFi, Bluetooth, WiMAX and radars services.

Compact lotus shape dual band patch antenna for Bluetooth and ultra wideband applications

AbstractA compact lotus shape dual band microstrip patch antenna is presented in this article. Dual‐band operation for both Bluetooth and ultra wideband (UWB) is covered with low profile, enriched gain, and small size. The lotus shape patch and Sawtooth ground provide smooth impedance bandwidth, and dual band characteristics are achieved. In lower frequency, the antenna cover about 300 MHz from 2.3 to 2.6 GHz (Bluetooth), while in upper frequency, bandwidth is about 7.7 GHz from 3.3 to 12 GHz which covers UWB band. With a dimension of 44 × 42 mm2, the proposed antenna is fed by a microstrip fed line and printed on less expensive FR‐4 substrate. The simulated and measured result of impedance, radiation pattern, gain, and efficiency are fair enough. This antenna shows an omnidirectional radiation pattern across the integrated Bluetooth and UWB bands both theoretically and experimentally. With an excellent impulse response, high fidelity, and quality factor, the proposed antenna is suitable for using dual band frequency of both Bluetooth and UWB without interference between each other.

Design of Dual-Band Microstrip Patch Antenna with Chair Shape Slot for Wireless Application

Design of Dual-Band Microstrip Patch Antenna with Chair Shape Slot for Wireless Application

A Fractal Dual Band Microstrip Patch Antenna using CSRR in its Ground Plane

Complementary split ring resonators (CSRR) (planar structures hence easily realizable nature) exhibit negative permittivity. The Design of a Novel Dual band Patch Antenna using CSRR and fractal concept is presented in this paper. The Kotch fractals are effectively implemented; circular, triangular slots are also further etched on the patch. The antennas radiating feature is improved by loading its ground plane with an innovative material named Metamaterial (Complementary Split Ring Resonator) Confirming an Omnidirectional pattern with radiating efficiency greater than 99, 86% respectively in the bands of its resonances. The model yields adequate Gain, Directivity at its resonances. The Key antenna parameter analysis (with the aid of commercial E.M simulator) carried out is also presented. Keywords: Microstrip Patch Antenna, Linear Polarization, Wireless Applications, Fractal, Koch, CSRR.

Dual-Band Microstrip Patch Antenna Using Integrated Uniplanar Metamaterial-Based EBGs

This paper presents a novel dual-band microstrip patch antenna that employs a metamaterial-based electromagnetic bandgap (MTM-EBG) integrated into its radiating edges to support two distinct operating frequencies. The resulting antenna is compact, uniplanar, completely printable, and via-free. Dispersion engineering of the MTM-EBG unit cell through a rigorous multiconductor transmission-line analysis allows simple, systematic design for two or more arbitrary frequencies. Additionally, a novel approach is taken to employ the same MTM-EBG to impedance-match the antenna to an inset microstrip feed at both operating frequencies. A dual-band MTM-EBG antenna designed to radiate at 2.4 and 5.0 GHz is simulated and tested, and experimental results demonstrate radiation performance comparable to the corresponding conventional patch antennas in excellent agreement with simulations, while also affording some degree of miniaturization at lower frequencies.

Design and Simlation of a Dual-Band Microstrip Patch Antenna for microwave RFID Applications

Design and Simlation of a Dual-Band Microstrip Patch Antenna for microwave RFID Applications

Dual-Band Proximity Coupled Feed Microstrip Patch Antenna with ‘T’ Slot on the Radiating Patch and ‘Dumbbell’ Shaped Defected Ground Structure

<p>This paper presents Dual-Band proximity coupled feed rectangular Microstrip patch antenna with slots on the radiating patch and Defected Ground Structure. Initially a simple proximity coupled feed rectangular Microstrip patch antenna resonating at 2.4 GHz is designed. Etching out a ‘Dumbbell’ shaped defect from the ground plane and ‘T’ shaped slot from the radiating patch of the proximity coupled feed rectangular Microstrip patch antenna, results in a Dual-Band operation, i.e., resonating at 2.4 GHz and 4.5 GHz; with 30.3 % and 18.8% reduction in the overall area of the patch and the ground plane of the reference antenna respectively. The proposed antenna resonates in S-band at frequency of 2.4 GHz with bandwidth of 123.6 MHz and C-band at frequency of 4.5 GHz with bandwidth of 200 MHz, and a very good return loss of -22.1818 dB and -19.0839 dB at resonant frequency of 2.4 GHz and 4.5 GHz respectively is obtained. The proposed antenna is useful for different wireless applications in the S-band and C-band.</p>

An E-shaped microstrip patch antenna for reconfigurable dual-band operation

A simultaneous dual-band frequency reconfigurable E-shaped microstrip patch antenna is proposed in this paper. The antenna is capable of efficiently switching both the frequency bands at the same time without the need of any external matching network. Its structure is simple and consists of a single-layer inset-feed patch and three RF switches placed at appropriate locations to reconfigure the frequency bands. The proposed antenna resonates at 3.5 GHz and 8.1 GHz when the PIN diodes are 'OFF' (reverse biased) but reconfigured to 3.1 GHz and 7.2 GHz when the PIN diodes are turned 'ON' (forward biased). A full wave simulation tool HFSS v. 15.0 is used for the analysis of the proposed E-shaped microstrip patch. Moreover, an edge-fed technique is introduced to simplify the design and simple biasing circuit has been incorporated in the fabricated design. A gain of 4.6 dBi, 5.2 dBi, 4.0 dBi, and 4.4 dBi is measured at 3.1 GHz, 3.5 GHz, 7.2 GHz, and 8.1 GHz, respectively. Good agreement is achieved between simulated and measured results. Its ability to resonate at multiple frequencies in the S-, C- and X-bands makes this antenna suitable for WIMAX applications, microwave communications and satellite links. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:1485–1490, 2016

A Dual-band Compact Microstrip Patch Antenna for 403.5 MHz and 2.45 GHz On-body Communications

In this paper, a dual-band microstrip patch antenna (MPA) is designed as the wireless body-area networks (WBANs) sensor. The antenna working at 403.5MHz and 2.45GHz, located in the medical implant communication services (MICS) band and the industrial, scientific and medical (ISM) band, is presented and studied. The upper chest, a commonly implanted location within a realistic on-body environment, is selected to evaluate the antenna performance using the finite-difference time-domain (FDTD) and the genetic algorithm (GA) methods. Antenna characteristics such as the return loss are analyzed. Comparative results of simulations and measurements are presented.

DESIGN & SIMULATION OF DUAL BAND T-SHAPED SLOT MICRO STRIP ANTENNA FOR C-BAND APPLICATIONS

Microstrip patches radiate from the currents induced on the surface of the patch because of the electromagnetic cavity with significant resonant frequencies formed between patch and ground plane according to the frequencies applied with different feeding techniques. This paper presents the design and simulation of a T-shaped Dual band Microstrip patch antenna with operating frequencies 5.40GHz, and 6.60GHz for C-Band applications. The T-shape provides Dual band characteristics with good bandwidth which is required in wireless devices with significant design characteristics and can be easily mounted on air craft, space craft, satellites, missiles etc., An Edge-Fed microstrip with substrate FR4epoxy having dielectric constant 4.4 and substrate heights of 6.5mm, 4.56 mm, 3.048mm, and 1.524mm are designed and analyzed with different parameters like VSWR, Gain, Peak directivity, Return losses, Bandwidth, Radiation efficiency, FBR etc,. This antenna design is an improvement from previous research and it is simulated using HFSS (High Frequency Structure Simulator) version 13.0 software.

Dual Band Microstrip Patch Antenna with I & T Shaped Slots on the Ground Plane

A new dual band microstrip patch antenna with I & T slots on the ground plane has been designed. Observation has been made for the two resonant frequencies in 2.23-2.37 GHz and 4.60-4.76 GHz bands with improved impedance bandwidth in comparison to that of reference patch antenna. The proposed antenna can suitably be used in field of WLAN and C-band application. The proposed antenna has manifested the broader radiation pattern with maximum field strength of approximate 15 dB at 2.37 GHz and 5 db at 4.7 GHz with better voltage standing wave ratio which indicates minimum reflection and better impedance matching. The simulation is carried out by high frequency structure simulator.

Review Paper on Comparative Study of Dual Band Microstrip Patch Antenna

In this paper we survey a dual band microstrip patch antenna for improvement of bandwidth, gain and directivity. The comparisons of different paper with simulated and validated result are presented. We discussed the different technique used by the author to propose a dual band and also observed what happen if we used different dielectrics materials.

A Dual Band Patch Antenna with a Pinwheel-Shaped Slots EBG Substrate

A dual band microstrip patch antenna integrated with pinwheel-shaped electromagnetic band-gap (EBG) structures is proposed. The patch antenna consists of a pair of spiral slots on the patch and is fed by using coaxial line. Its full-wave simulation predicts dual bands from 4.43 GHz to 4.56 GHz and from 4.96 GHz to 5.1 GHz in the C-band. The designed EBG with eight pinwheel-shaped slots addresses smaller frequency drift compared with the traditional square mushroom-like EBG when applied to the patch antenna. With the help of designed EBG structure, the impedance bandwidth, radiation efficiency, and gain of the patch antenna are improved significantly. The 10 dB impedance bandwidth is extended by 3.4% and 6.5% at the low- and high-frequency bands, respectively. The radiation efficiency is increased by 5% and 17.8%, and the realized gain is enhanced by 1.87 dB and 1.56 dB at 4.57 GHz and 5.06 GHz, respectively. The designed EBG structure may have many applications in other types of planar antennas.

Dual-Band, Miniaturized, Enhanced-Gain Patch Antennas Using Differentially-Loaded Metastructures

We propose a novel miniaturized dual-band microstrip patch antenna with improved gain for potential wireless applications. Two variants of the proposed configuration have been optimized and the analyzed results presented. The basic patch antenna is loaded with two pairs of Complementary Split Ring Resonators (CSRR\'s) on both sides of its non-radiating edges with different dimensions on both sides. The radiation performance of the first variant and its gain is further improved by etching four pairs of CSRR on the ground plane which controls the surface waves effectively. The proposed antenna shows an analyzed gain of 1.80 & 5.67 dB respectively in the two bands 1.68, 2.59 GHz. The antenna may find application in both the ISM (L band) and Wimax applications. In a second variant, the gain is further improved by employing a Reactive Impedance Surface (RIS). In this case, the analyzed gain is found to be 5.69 & 5.12 dB respectively at 2.05, 2.39 GHz. This antenna may be suitable for UMTS and ISM applications. The design dimensions of the patch, CSRR\'s and the RIS are obtained from expressions available in literature. Subsequently, simulation and optimization of the structures is carried out with Ansys HFSS®; a benchmarked E.M. simulator. The analyzed results are presented. Keywords: Complementary Split Ring Resonator (CSRR), Metastructures, Miniaturization, Reactive Impedance Surface (RIS)

Dual Band David Fractal Microstrip Patch Antenna for GSM and WiMAX Applications

The design and development of a proximity fed dualband microstrip patch antenna based on David fractal geometry are presented. David fractal microstrip antenna offers good performance in the 1.754 - 1.816 GHz and 3.37 - 3.415 GHz bands and is suitable for GSM 1800, WiMAX applications. The use of David fractal geometry offers miniaturization of the antenna structure. The proposed first iteration fractal configuration is fabricated and measured results along with simulation results are presented. Good radiation patterns and moderate gain are also obtained.

Analysis and Design of a New Dual Band Microstrip Patch Antenna Based on Slot Matching Y-Shaped

A new compact microstrip slot antenna with Y-shaped coupling aperture is proposed. This antenna is based on a rectangular form with a microstrip fed line for excitation, and consists of slots on the edge of the radiation patch to provide dual-band operation. The design and simulation of the antenna were performed using CST Microwave Studio simulator. A prototype of the proposed antenna has been constructed and tested. In order to validate the return loss of the prototype antenna, the experimental results are presented. The results show two available bands with –10 dB band S at 2.7 GHz and band C at 5 GHz. Also, good radiation performance and antenna gain over the two frequency ranges have been obtained. Computation results confirm the experimental findings.

Development of dual-band microstrip patch antenna for WLAN/MIMO/WIMAX/AMSAT/WAVE applications

Development of dual-band microstrip patch antenna for WLAN/MIMO/WIMAX/AMSAT/WAVE applications