Zeroth Order Resonance Loop Antenna

Lee, Jae-Gon; Lee, Jeong‐Hae

doi:10.1109/tap.2007.891875

Cited by 119 publications

(54 citation statements)

References 6 publications

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“…One of the unusual properties is the zeroth-order resonance at which the phase constant, β is zero for a non-zero frequency. This enables the resonant frequency to be independent of the antenna dimension [8][9][10]. A 75% reduction in the footprint area of the structure can be achieved compared to a conventional patch antenna by using meander-line inductor [11].…”

Section: Introductionmentioning

confidence: 99%

Modified Bowtie Antenna for Zeroth Order Resonance

Roshna¹,

Deepak²,

Sajitha³

et al. 2014

PIER C

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Abstract-A novel extremely compact Zeroth Order Resonator (ZOR) antenna with a chip inductor, for Digital Video Broadcasting-Handheld (DVB-H) application, is presented. The proposed antenna has a bowtie structure with an overall dimension of 0.0186λ 0 × 0.020λ 0 × 0.003λ 0 mm 3 at 503 MHz. The zeroth resonance property makes the resonant frequency to be independent of the antenna dimension. The 3 : 1 VSWR bandwidth of the antenna is 39 MHz and offers an omnidirectional radiation pattern. A 99.1% reduction in the overall area of the structure is achieved compared to a conventional circular patch antenna operating at the same frequency.

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Section: Introductionmentioning

confidence: 99%

Modified Bowtie Antenna for Zeroth Order Resonance

Roshna¹,

Deepak²,

Sajitha³

et al. 2014

PIER C

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“…For example, the antennas utilize the zeroth-order resonance (ZOR) mode of the mushroom structure and the TM 010 modes of the conventional rectangular patch are presented in [9][10]. The detailed theory on ZOR can be found in [11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

A Zeroth-Order Resonance Patch Antenna for Dual Band Operations with Broad E-plane Beam Widths

Munde¹,

Kasabegoudar²

2014

IJCA

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In this paper, design of probe fed zeroth order resonance (ZOR) antenna with dual frequency operation is presented. The mushroom structure is placed at the center of the geometry and the grounded via to have the desired ZOR response. The feed is connected between the inner ring and the mushroom structure. There are several ZOR antennas are available in literature with only one resonant frequency. However, in this work we presented ZOR antenna which excites dual resonances. The second resonance is obtained by placing two stubs and an outer ring. Also, it may be noted that we get nearly broader E-plane beamwidths (112 and 90 degrees) at both the resonance frequencies. The bandwidth of 7.8% at second resonant frequency was obtained as compared to the conventional patch antennas (2~3%). At first resonance only narrow band performance was observed. Measured results fairly agree with the simulated data.

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“…Lee and Lee. made a 3X3 array of periodic mushrooms to enlarge magnetic current loop for increasing the antenna gain [8]. Neither periodic nor an array form, Jang et al coupled a half-wavelength rectangular patch to a rectangular ring having a few vias to make ZOR radiation with increased antenna gain [9].…”

Section: Introductionmentioning

confidence: 99%

CRLH Zor Antenna of a Circular Microstrip Patch Capacitively Coupled to a Circular Shorted Ring

Yoo¹,

Kahng²

2012

PIER C

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Abstract-In this paper, a novel Metamaterial (MTM) CRLH Zeroth Order Resonance (ZOR) Circular microstrip patch antenna is proposed to have a monopole antenna pattern due to the completely closed loop of a magnetic current around the structure, and reduced profile and size due to the left-handedness. Different from other ZOR antennas of 1D periodic arrays with shorted patches, we suggest 1 circular patch capacitively coupled to 1 circular shorted ring to have ZOR and −1st resonance modes. The antenna is designed and modeled with equivalent circuits for the coaxial-fed central patch and the circular shorted ring and verified by the comparison with 3D EM simulation of the physical structure. The no-phase variation at the ZOR (2.4 GHz) and the −1st resonance mode (2 GHz) as the metamaterial properties are proven with electric field distributions and far-field patterns. The measurement shows there exist the ZOR and the −1 resonance modes despite the frequency shift from the simulation, which is proven by the monopolar radiation pattern and broadside radiation pattern, respectively. So the advantages of the proposed antenna will be addressed with the low-profile monopole at the ZOR and the size reduction effect at the −1st resonance.

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Zeroth Order Resonance Loop Antenna

Cited by 119 publications

References 6 publications

Modified Bowtie Antenna for Zeroth Order Resonance

Modified Bowtie Antenna for Zeroth Order Resonance

A Zeroth-Order Resonance Patch Antenna for Dual Band Operations with Broad E-plane Beam Widths

CRLH Zor Antenna of a Circular Microstrip Patch Capacitively Coupled to a Circular Shorted Ring

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