Antenna type applications and interest efficiency sensitivity to detuning dipole large wire antenna. The resonator is designed to block the surface current at the resonant frequency of the two patch antennas coupled along hplane and operating at a frequency of 4. A new approach to enhance the isolation in microstrip patch antenna arrays is described in this letter. Mutual coupling reduction between closely placed microstrip.
Typically a seriesfed array consists of a single feed point and the radiating elements are connected in series with a feed network which consists of transmission lines that are a particular factor of wavelength of the operating signal. A microstrip meander line reconfigurable antenna for. Design and analysis of a meander line cornered microstrip patch. The simulation results of the proposed array are veri. The dipolemeander class creates a meander dipole antenna with four dipoles. A 47% miniaturization is obtained with a total gain equals to 8. The antenna is center fed and it is symmetric about its origin. What is meander line antenna meander line patch antenna. The aim of this chapter is to show various ways to overcome this problem by using various matching techniques for numerous patch antenna array schemes. Mtmds was incorporated in the patch antenna array, as shown in fig.
The implementa tion of a slotted meanderline resonator smlr is done by cre ating defect in the microstrip. Resonant microstrip meander line antenna element for wide. Inserting a slot in the ground plane between the antenna elements is a simple method to reduce the mc, while adding the mls in the slot of the ground can further reduce the mc. Introduction microstrip patch antennas have problems of low bandwidths. Hfsss microstrip patch antenna design part1basics of antenna design using hfss software duration. The implementation of a slotted meanderline resonator smlr is done by creating defect in the microstrip structure particularly designed for bandnotch function. These results are achieved on the expense of antenna array design complexity. Pdf meander lines mls in two configurations are presented to reduce the. Here, a meander line resonator is placed in between the radiating elements. Mutual coupling reduction between patch antennas using. Implementation of slotted meanderline resonators for isolation. By inserting the meander line resonator between the patch antennas with the. Pdf mutual coupling reduction between patch antennas using. A seriesfed microstrip patch array with interconnecting.
Implementation of slotted meanderline resonators for. Meander line antenna mla is an electrically small antenna which poses several performance related issues such as narrow bandwidth, high vswr, low gain and high cross polarization levels. Interaction between closely packed array antenna elements. A compact, wide bandwidth, wide beamwidth resonant microstrip meander line antenna element is reported for active phased array applications. Mutual coupling reduction between patch antennas using meander line. Resonant microstrip meander line antenna element for wide scan.
The antenna element offers a return loss better than. Enhancement of isolation and gain of antenna using. Meander lines mls in two configurations are presented to reduce the mutual coupling mc between two microstrip patch antenna elements. The implementation of a slotted meanderline resonator. Another method to reduce the size of the mpa, is presented by. In the first configuration, one ml is inserted in the slot of the ground and a. The horizontal lines of meander line antenna are used as transmission lines. Design and analysis of meander microstrip antenna at. The first resonance of meander dipole antenna is at 200 mhz. Inserting a slot in the ground plane between the antenna. Mc, a conventional dualelement microstrip antenna array. Split ring resonators srr, slotted meander line resonators smlr, wave guided metamaterials. The microstrip patch antenna is represented by two slots, separated by a transmission line of length l and open circuited at both the ends as shown in fig 4.