Design of a Novel Circularly Polarized Patch Antenna on Elliptical Structure

Kundu, Sumanta Kumar; Jaiswal, Shashank; Singhal, P. K.

doi:10.1007/978-981-13-8406-6_78

Cited by 1 publication

(1 citation statement)

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“…Sometimes a dual-polarized antenna can also be designed with the generation of four modes in a rectangular patch with the same amplitude and 90 0 phase shift. Linear polarized antennas not only require the same polarizations for Tx and Rx antennas but also depends upon their precise alignment [17]. On the other hand, CP polarized antennas do not require such restrictions and can be obtained using various methods, including quasi-square/round/oval, orthogonal doubly-fed array, surface grooving, and truncated patch, respectively.…”

Section: Introductionmentioning

confidence: 99%

Polarization Re-Configurable Antenna with Increase Gain for Small Satellites

Haris

Khalil

Saeed

2021

J. Electr. Eng. Technol.

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Future small satellites require the development of reconfigurable antennas. Designing such antennas, especially single port patch antennas with circular polarization is a challenging task. Therefore, we propose both right-hand/left-hand circularly polarized (RHCP/LHCP) antenna which can reconfigure. The proposed antenna follows patch topology with E-shape that is single-layer and single-feed with two RF switches. The switches can alter the polarization in real-time. We also show various properties of the proposed antenna, such as radiation pattern, impedance matching, axial ratio, and bandwidth through simulations and measurements. The proposed model shows excellent performance and agrees well with the measurements. The performance of the antenna shows an effective bandwidth of 2.45 GHz-2.82 GHz with a maximum gain of 9.88 dB at 2.55 GHz. The symmetry of the antenna radiation is preserved by switching between the LHCP and RHCP polarization modes.

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Section: Introductionmentioning

confidence: 99%