The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Triangular patch antennas have a serious limitation of their few numbers of radiating modes. In this research, a triangular patch Antenna with (30°-60°-90°) angles is studied to find the maximum number of radiating modes using a coaxial probe at different points of the said antenna. The design investigation on the triangular patch antenna is presented at 1 GHz to 6.5 GHz frequency range. Using HFSS...
A low-cost, high gain and broadband 30 GHz quasi_Yagi antenna with a corrugated substrate is presented. The corrugation design parameters provide a high flexibility to enhance antenna characteristics. The proposed antenna provides a gain of 17.7 dB at 30 GHz, a high total radiation efficiency of ∼94.4%, an impedance bandwidth covers the 24–31.6 GHz band and in-band crosspolarization of less than 37...
Design of microstrip antenna arrays using dissimilar circular patch elements is presented in this paper to cover the band 2.400–2.483 GHz required in IEEE802.11b,g applications. The following antenna prototypes were designed and built: circular patch antenna, 1×2 and 1×4 arrays. Proposed arrays presented an impedance bandwidth above to 100 MHz and 1×4 array synthetizes a broadside radiation pattern...
The concept of high-impedance electromagnetic band-gap (HI-EBG) structures has been introduced in [1]. Several applications of these structures in antenna design and performance enhancement have been reported in [2]. Recently, more attention has been paid to high impedance surfaces (HISs) and their applications in the light of artificial magnetic conductor (AMC) concept [3].
Improvement in gain as well as bandwidth of microstrip antenna using reactive impedance surface and Fabry Perot cavity resonator is proposed. Suspended microstrip antenna (MSA) is designed on reactive impedance surface (RIS) backed FR4 substrate. RIS improves bandwidth, gain and efficiency of antenna due to reduced coupling between MSA and ground plane. This MSA backed RIS is placed in a FPC resonator...
The motive behind this research is to design, implement and analyze the flexible FR-4 (Flame Retardant 4) based novel wide band microstrip patch antenna operating at resonant frequency of 790 MHz for buried landmines detection applications. The proposed microstrip patch antenna has been designed using flexible FR-4 having dielectric constant (Єr) of 4.4 and thickness of 1.5mm with slotted patch on...
In this paper, the design and performance analysis of dual circular stacked microstrip patch antenna for S-band applications has been proposed. In the proposed antenna design, the substrate of material FR 4 having dielectric constant 4.4 have been used. The ground, patch and feedline are of copper material. The proposed antenna has two circular stackings on the patch and the antenna has impedance...
This paper presents a novel textile microstrip antenna employing substrate of Denim material with dielectric constant of 1.6 having dimensions are 23.32mm × 27.8mm × 0.7mm. The ground, patch and feed line are of copper material. The proposed antenna is a dual resonant rectangular patch antenna with a square slot on the ground which is operated at 12.00 GHz and 12.67 GHz with corresponding return loss...
The paper examines the influence of a thin air gap between a dielectric resonator and its ground plane on radiation parameters of the dielectric resonator antenna (DRA) operating with certain higher order modes. Gain improvement of about 1.6 dB is observed for optimal size of the gap, resulting in 13.2 dBi realized gain. Along with gain enhancement, the side lobe level suppression is improved as well...
A novel realisation of high gain and compact slotted planar patch antenna for the radio frequency identification (RFID) application is presented here. The antenna was printed on a dielectric Flame Retardant FR-4 Epoxy substrate of dielectric constant (εr=4.3). Simulated results obtained for this antenna exhibits resonant frequency of 5.8 GHz, better return loss of -36.91 dB, high gain of 8.308 dBi,...
In this paper, we provide an optimized Biconical coaxial feeding microstrip antenna, based on the Transmission line model. The purpose of our study is to optimize the ceiling antenna performance, completing the signals transceiver and velocity smoothly. We set up the physical characters of antenna to achieve more gains and optimized its emission features then current, with not complex processing any...
This paper presents the design of a novel and compact microstrip-fed monopole super wideband (SWB) antenna with dual band-notch characteristics. The antenna impedance bandwidth (BW) extends from 3.2 reaching to 40 GHz. Moreover, the antenna inherently reject both the WLAN and X-band satellite communication systems that interfere with SWB spectrum. The antenna is analyzed using two software packages:...
In this paper, a low-profile microstrip monopole antenna with an ultrawide bandwidth (UWB) is proposed. Via holes, rectangular patches, and a tune stub connecting ground plate are employed to improve the gain and impedance bandwidth of the antenna. Meanwhile, the antenna is etched on a single-layer substrate lowering the cost and complexity of manufacturing process. HFSS software is used to design...
In this paper, a multi band metamaterial-inspired low profile antenna is proposed and simulated. This antenna is fed by a single probe. It is loaded with composite right/left-handed (CRLH) mushroom-like structures and a reactive impedance surface (RIS) to miniaturize the antenna. The proposed antenna is simulated and the results are compared with conventional patch antennas. The size reduction of...
This paper presents the design of microstrip slot antenna in order to investigate bandwidth enhancement with better return loss. It is observed that the impedance bandwidth can be improved through various slot configurations in microstrip patch antenna. In this study three slots of 25 mm2, 51.5mm2 and 276 mm2 are considered on the ground plane for bandwidth enhancement. It is observed that the addition...
Circular polarized microstrip antennas are required in applications wherein an uncertainty in the direction of received signal polarization exist. In this paper an offset slot cut circular microstrip antenna to realize circular polarization in 1000 MHz frequency band is proposed. It yields axial ratio bandwidth of 10 MHz (∼1.2%). To increase the axial ratio bandwidth its gap-coupled array configuration...
Design of a microstrip fed double exponentially tapered Vivaldi antenna is presented for the 2–18 GHz ultra-wideband applications. Wideband operation is obtained by integrating a compact ultra-wideband balun with the antenna through an impedance transformer. Rectangular dimension of the feeding network including the balun and the matching section fabricated on a 0.813 mm thick RO4003C substrate is...
A new type of antenna is presented in this paper. The main structure is a slot-loaded microstrip patch antenna fed by a half-width microstrip line. Two different types of antenna structure are combined together to make a single element antenna, and the radiation properties of both antennas are utilized in the proposed highly efficient antenna. Radiation from the antenna structure is achieved primarily...
This paper presents frequency band-notched antenna to overcome electromagnetic interference (EMI) between UWB systems and Wireless Local Area Networks (WLANs) based on IEEE 802.11a standard for Ultra Wide-Band (UWB) communication. The proposed antenna is designed on FR4 substrate having a size of 12×18 mm2 with thickness of 1.6 mm and relative permittivity (εr) of 4.4 which provides frequency notching...
This paper proposes a new design for dual-band Circularly Polarized (CP) microstrip antennas. CP antennas are advantageous for indoor communications due to their intrinsic robustness to multipath. In addition, Dual-band operation is another aid for communication in the sense of reconfigurability issue.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.