A Frequency and Polarization Reconfigurable Circularly Polarized Antenna Using Active EBG Structure for Satellite Navigation

Liang, Bin; Sanz-Izquierdo, Benito; Parker, Edward A.; Batchelor, John C.

doi:10.1109/tap.2014.2367537

Cited by 98 publications

(53 citation statements)

References 23 publications

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“…Polarization reconfigurable antennas [6] are capable of switching between different polarizations modes Radiation pattern reconfigurability [7] is based on the modifying the spherical distribution of radiation pattern. Compound reconfigurability refers to tuning simultaneously several antenna parameters, for instance frequency and radiation pattern [8] and [9].…”

Section: Reconfigurable Antennasmentioning

confidence: 99%

A Survey of Cognitive Radio Reconfigurable Antenna Design and Proposed Design using Genetic Algorithm

Aizaz¹,

Sinha²

2016

IJCA

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Cognitive radio network (CRN) is the latest paradigm of techniques for enhancing the utility and quality of radio communication systems by the efficient utilization of frequency spectrum. It is classified by overlay and underlay cognitive radio. Antennas that designed for the overlay scheme must have the capability to sense the channel and provide communication over a portion of it. Overlay antennas can be designed as two-port, where one port supports ultra wideband, and the other supports narrowband and are frequency reconfigurable. Moreover, they can be implemented as a one-port antenna, in which the same port is used for both sensing as well as communicating, and thus it must switch between wideband and narrowband modes. Evolutionary computation techniques like the genetic algorithm (GA) are efficient in designing new kinds of antennas with challenging designs. A binary genetic algorithm can be utilized to optimize the shape of an antenna to achieve maximum possible frequency reconfigurability with minimum number of switches for obtaining a wideband performance from a single cognitive radio antenna. General TermsUltrawideband and narrowband antenna, Evolutionary algorithms.

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Section: Reconfigurable Antennasmentioning

confidence: 99%

A Survey of Cognitive Radio Reconfigurable Antenna Design and Proposed Design using Genetic Algorithm

Aizaz¹,

Sinha²

2016

IJCA

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“…At the same time, every polarization state is matched by three switchable matching stubs . In another research work, Liang et al have incorporated capacitor and resistor for designing tunable EBG. Using tunability, Liang obtained frequency and polarization reconfigurable antenna although flexibility of frequency variation of EBG is still low …”

Section: Introductionmentioning

confidence: 99%

“…Fan yang proposed an anisotropic EBG metasurfaces. These metasurfaces had reflection phases reliant on the polarization state and frequency of the incident waves . However this property is obtained by changing the geometry of unit cell and offsetting via.…”

Section: Introductionmentioning

confidence: 99%

Tunable PDEBG using ferrite‐based metasurface for WiMaX application

Goodwill

Kartikeyan²

2019

Int J RF Microw Comput Aided Eng

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This article presents a tunable ferrite‐based anisotropic reflective metasurface, which provides a method to manipulate the TE and TM polarized waves separately, and has much stronger ability to control electromagnetic waves and provides different phase difference between two reflected polarized waves. This eventually leads to various polarized reflected waves starting from linear polarization to RHCP and LHCP. Ferrite slab is used for realizing anisotropic behavior. A novel method for tunability of single polarization response is observed. A wired dipole antenna operating at 3.5 GHz is designed above metasurface at height d. 95 k A/m of DC biasing is applied in both X and Y directions in ferrite‐based metasurface to obtain RHCP and LHCP reflected waves from linearly polarized incident waves from metasurface. Moreover, polarization switchable dipole antenna is realized by changing the biasing direction. Furthermore by varying biasing, tunability of AR is realized from 3.3 to 4 GHz. The metasurface is simulated and designed on HFSS v.16.

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“…32% fractional bandwidth, none of the mentioned designs are adequate. Owing to the tunable capacitance of their active components [8][9][10][11][12][13], AMC can improve the bandwidth of the reflection phase of CP antennas [14].…”

Section: Introductionmentioning

confidence: 99%

An application of active frequency selective surface to reconfigurable antenna technology

Sanz-Izquierdo

Liang

Parker

et al. 2016

Active and Passive RF Devices Seminar

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Abstract-This paper illustrates the use of active frequency selective surfaces (FSS) in reconfigurable antennas. A patch-form dual-polarized tunable FSS is adapted for use as an active artificial magnetic conductor (AMC). As with the tunable FSS, the active AMC offers independent tuning capability of the reflection phases for two polarisations of incident EM waves. By combining the AMC with a wideband coplanar waveguide fed monopole antenna, circularly polarisation (CP) capability is realized at any frequency over the 1.15-1.60GHz band. Furthermore, the CP state can be switched between left hand CP and right hand CP, by simply interchanging the capacitances of varactors controlling the reflection phases of the two orthogonal polarised waves. The antenna covers the frequency bands of all operational and in-preparation satellite navigation systems, including GPS, GLONASS, Beidou and Galileo. polarization reconfigurable circular polarized (CP) antenna using active artificial ground (AG) structure Index Terms-CP antenna, frequency tunable, polarization switchable, active aritificial ground, satellite navigation.

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A Frequency and Polarization Reconfigurable Circularly Polarized Antenna Using Active EBG Structure for Satellite Navigation

Cited by 98 publications

References 23 publications

A Survey of Cognitive Radio Reconfigurable Antenna Design and Proposed Design using Genetic Algorithm

A Survey of Cognitive Radio Reconfigurable Antenna Design and Proposed Design using Genetic Algorithm

Tunable PDEBG using ferrite‐based metasurface for WiMaX application

An application of active frequency selective surface to reconfigurable antenna technology

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