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.
Circular polarized response is realized when two orthogonal closely spaced resonant modes are excited in the patch. An E-shaped patch design using unequal lengths rectangular slots to give circular polarized response was reported. In the reported paper, proper analysis on resonant mode excited in the patch that gives circularly polarization is not explained. An extensive analysis explaining the effects...
Broadband Microstrip antennas using E-shaped patch is reported. Here, a new design of E-shaped patch antenna is proposed for ultra-wide band response. A detailed parametric study explaining the effects of various patch parameters like, slot dimensions and their position, microstrip feed line dimensions and its position along the patch base is presented. The slots and feed line position in the patch...
Broadband Space fed design of compact square ring microstrip antennas fed by proximity fed rectangular microstrip antenna or by 3 × 3 gap-coupled array configurations of rectangular microstrip antennas, is proposed. Various space fed configurations of ring patch namely, single patch, 1 × 3 and 3 × 1 ring microstrip antennas, plus shaped and 3 × 3 spaced fed patch array configurations are studied....
A novel design and analysis of circular microstrip antenna loaded with a key-shaped slot is presented. The introduction of key-shaped slot in the microstrip patch excites the additional modes which are orthogonal to each other, thus demonstrating multi-band dual polarized antenna characteristics. Also the next higher order modes manifest the broadband antenna response. For the optimization of the...
A novel design of ultra-wideband star shaped printed monopole antenna is proposed. A star shaped structure is realized by combining triangular shaped planar monopole patch with its inverted configuration. A detailed parametric study of the offset placement of two triangular shaped patches with respect to the patch centroids, variation in distance between the base of composite structure and the ground...
Design and analysis of novel dual-band dual polarized D-shaped microstrip antenna is proposed. The D-shaped microstrip antenna excites TM10 and TM01 modes which are orthogonal to each other, thereby realizing dual polarized antenna characteristics. Further, another novel configuration, a vertical slot cut D-shaped patch is proposed. The slot cut D-shaped patch demonstrates triple band dual polarized...
Broadband Spaced fed array fed using stacked configuration of E-shaped microstrip antenna fed by E-shaped microstrip antenna is proposed. The modified feeding structure in space fed array is used as in higher order arrays, peripheral patches are not equally fed using single microstrip patch. The fed 3 × 3 stacked E-shaped patch array yields an optimum gain of nearly 9 dBi with VSWR bandwidth of around...
Higher order space-fed arrays have limited gain due to unequal excitation of patches when fed by a single microstrip patch. Hence, a broadband space-fed array with a stacked microstrip array as the feed element is proposed. An array of rectangular microstrip antennas is placed on top of a co-axially fed broadband E-shaped patch antenna to realize a multi-layer stacked microstrip array. First, various...
Multi-band dual polarized circular microstrip antenna cut with circular and rectangular slot is proposed. The circular slot in circular patch degenerates patch TM11 and TM21 modes into two orthogonal modes to realize multi-band characteristics. The rectangular slot helps in optimizing the input impedance at degenerated resonant modes to realize optimum bandwidth of 1 to 2% in 1000 MHz frequency range...
Analysis of proximity fed circularly polarized square patch antenna with multiple triangular notches is presented. The triangular notch tunes the spacing between TM10 and TM01 modes to yield circular polarization. Further a design of single triangular notch cut square patch antenna is also proposed which gives similar axial ratio bandwidth. The resonant length formulation at modified TM01 and TM10...
Analysis of ultra-wideband antenna for Sectoral shaped microstrip patch for angle increasing from 90° to 330°, for realized bandwidth and gain is presented. To optimize the individual patches, center or offset feed microstrip line is used. A bandwidth of around 15 GHz is obtained, in Sectoral patches with angle increasing from 90° to 180°, whereas for Sectoral patches with angles increasing from 210°...
Modified rectangular shape ultra wide band microstrip antenna with microstrip line feed is proposed. The effects of tapering structure on the realized bandwidth are discussed. The tapered end configuration yields bandwidth of 15.4 GHz with a peak gain of 2 dBi. Further, the effect of replacing the tapered end structure with an elliptical base structure is investigated. The elliptical base antenna...
A circularly polarized microstrip reflectarray antenna with a microstrip antenna feed and patches having variable rotation angles is proposed. A parametric study for three different configurations, namely a single patch, 1 × 3 and 3 × 1 array is presented. The plus-shaped and 3 × 3 array configurations have also been studied. It is observed that an optimum axial ratio bandwidth of around 45 MHz is...
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.