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The paper presents an innovative antenna structure by incorporating a reconfigurable planar array antenna with parasitic elements, in which it comprises of two truncated rhombus-like slotted patch antennas in back-to-back configuration. The antenna emphasizes on these two design elements: slotted patch and parasitic elements to reconfigure its frequency and radiation pattern, respectively. On top...
This paper presents a novel structure of frequency reconfigurable truncated rhombus-like slotted antenna (FRTRSA). The structure consists of a slotted ground plane with a thickness of ho sandwiched between two different substrates of different thicknesses, h1 and h2. The upper substrate has lower dielectric constant, erl than the bottom substrate, er2. Unlike a conventional antenna which provides...
This paper presents a novel design of frequency-reconfigurable antenna by using an aperture-coupled technique as feeding technique and stacked patch technology. The proposed antenna generally consists of three substrate layers (RT-Rogers 5880) and air gap filled between feedline substrate and layer 2 substrates. Four PIN diode (BAP51–02) switches are implemented to configure the length of the feedline...
This paper presents a novel of a Reconfigurable Stacked Patch Microstrip Array Antenna (RSPMAA) integrated with radio frequency (RF) switches at the feedline. The antenna uses a combination of aperture coupled technique and stacked patch technology for reducing spurious radiation patterns. Generally, this RSPMAA consist of three substrate layers (RT-Rogers 5880) and an air filled substrate between...
This paper presents a novel structure of reconfigurable microstrip patch antenna by using aperture-coupled feeding technique. The proposed antenna design has a rhombus-like patch shape embedded with unique patch slots and truncated edges. In contrast with conventional antennas which operate at one frequency with one beam direction in a single antenna, this reconfigurable antenna is able to operate...
A novel design of frequency reconfigurable microstrip array antenna (FRMAA) using aperture coupler feeding technique is presented. In contrast with conventional antennas that can be operated at one frequency in a single antenna, this FRMAA is capable to operate at two different frequencies. In this paper, the ground plane which is located in the middle of the two substrates serves as a very effective...
This paper presents a design of aperture coupled microstrip antenna integrated with EBG. The proposed design was based on structure of 2 by 2 planar array with aperture coupled feeding technique. Mushroom-like EBG were integrated onto the antenna to investigate its effect to the antenna. Optimization on number of EBG patches and the spacing gap distance between EBG patches were carried out. The antenna...
In this paper, the Frequency Reconfigurable Stacked Patches Microstrip Antenna (FRSPMA) fed by aperture coupler technique is presented. The antenna is designed using C-Foam as a dielectric substrate for different stacked patches and FR-4 material for feedline substrate. One RF switch is integrated at the feedline to control the activation patches and aperture slots during ON and OFF states. During...
This paper presents a novel design of a reconfigurable microstrip antenna with a slotted patch. The proposed design was based on the structure of an aperture coupled microstrip antenna using FR-4 substrate at dual operating frequency. Two types of slot (horizontal and vertical) were introduced and three ideal switches were integrated into the horizontal slot to achieve frequency reconfigurability...
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