Mutual Coupling Reduction Between Microstrip Patch Antennas Using Slotted-Complementary Split-Ring Resonators

Bait-Suwailam, Mohammed M.; Siddiqui, Omar; Ramahi, Omar M.

doi:10.1109/lawp.2010.2074175

Cited by 303 publications

(167 citation statements)

References 9 publications

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“…Coupling between antenna elements is mainly caused by surface waves and near field [1]- [3]. Near field coupling arises when one antenna is placed in near field zone of another antenna.…”

Section: Introductionmentioning

confidence: 99%

Mutual Coupling Reduction between Very Closely Spaced Microstrip Antennas Using CPW Structure

Zhao

Zhang

et al. 2016

MATEC Web Conf.

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Abstract. An efficient H-plane mutual coupling reduction method is introduced for very closely placed dual-element microstrip antennas operating at 2.4GHz. A simple coplanar waveguide (CPW) structure is introduced in the ground, energy from one element is guided to another element, artificially generating new kind of mutual coupling current. By optimizing size of CPW structure to achieve purpose that new mutual coupling current cancel out with original existing mutual coupling. More than 36dB isolation (|S 21 |) is achieved with dual-element broadside array that distance is less than 0.024 0 O ( 0 O is free space wavelength).

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“…Coupling between antenna elements is mainly caused by surface waves and near field [1]- [3]. Near field coupling arises when one antenna is placed in near field zone of another antenna.…”

Section: Introductionmentioning

confidence: 99%

Mutual Coupling Reduction between Very Closely Spaced Microstrip Antennas Using CPW Structure

Zhao

Zhang

et al. 2016

MATEC Web Conf.

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“…Great attention has been paid to the metamaterials, especially split ring resonators (SRRs), because of their specific properties which have not been discovered in nature [3,4]. The SRRs, proposed by Pendry et al, have been widely employed in the designs of the filters and antennas [3][4][5][6][7]. Different resonant frequencies of the SRR can be obtained by changing the dimension of the ring's radius, width, etc., respectively.…”

Section: Introductionmentioning

confidence: 99%

“…The designs of filters and multi-band antennas based on SRRs have been reported [6][7][8]. However, the design based on the combination of the SRRs and corrugated plate has not been reported before.…”

Section: Introductionmentioning

confidence: 99%

A Dual-Band High Gain Antenna Based on Split Ring Resonators and Corrugated Plate

Ding¹,

Li²,

Chang³

et al. 2014

PIER Letters

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Abstract-In this paper, a dual-band high-gain antenna based on the split ring resonators (SRRs) and corrugated plate is presented. By combining the SRRs and corrugated plate, the presented antenna resonating at different frequencies with high performance is easily achieved based on the superposition of the electric fields radiated by the SRRs and the grooves. Both the simulated and measured results show that the gain is improved by 6 dB at 12.7 GHz and 6.5 dB at 14.2 GHz respectively compared with the conventional flat antenna without grooves. Moreover, half-power beam width (HPBW) of E-plane is reduced by more than 100 degrees at 12.7 GHz and 14.2 GHz.

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“…This MTM structure has a negative permittivity feature and can be implemented by etching the CSRRs on the microstrip antenna's ground plane [16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

“…At the resonance, the MTM array of CSRRs has a negative permittivity and inhibits signal propagation. Indeed, the propagation constant is purely imaginary so all the waves which pass across the structure are evanescent waves [17,19,20]. Besides, the arrays of CSRRs are more suitable for application in low profile planar antenna arrays to improve the bandwidth of the decoupling effects and enhance their performances.…”

Section: Introductionmentioning

confidence: 99%

CSRRS for Efficient Reduction of the Electromagnetic Interferences and Mutual Coupling in Microstrip Circuits

Han¹,

Hafdallah-Ouslimani²,

Zhang³

et al. 2012

PIER B

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Abstract-This paper proposes an efficient microstrip isolator filter which suppresses the surface and lateral waves (SW and LW) in planar antenna arrays. The structure consists in a double or triple row of periodic and flipped array of subwavelength Complementary Split Ring Resonators (CSRRs). The array of CSRRs is etched on a dielectric substrate backed by a metallic ground plane. These structures can both block the electromagnetic (EM) energy in one direction and guide it along the other transverse direction. In particular, the flipped array of CSRRs presents wider bandgap characteristic (stopband ≥ 20%) than periodic array of CSRRs (∼ 16%) and conventional array of SRRs (≥ 12%). Then, the metamaterial filter is inserted between two 6.1 GHz probe-fed patch antenna elements separated by a distance of 0.8λ 0 . Excellent agreements between the simulated and the experimental results are obtained. In fact, a significant reduction of the EM mutual coupling is achieved, more than 24 dB, over a wide frequency bandwidth. Moreover, the proposed CSRR structures are compact, low complex and, as printed antennas, are very easy to manufacture. They have numerous applications in MIMO systems and directive phased arrays.

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Mutual Coupling Reduction Between Microstrip Patch Antennas Using Slotted-Complementary Split-Ring Resonators

Cited by 303 publications

References 9 publications

Mutual Coupling Reduction between Very Closely Spaced Microstrip Antennas Using CPW Structure

Mutual Coupling Reduction between Very Closely Spaced Microstrip Antennas Using CPW Structure

A Dual-Band High Gain Antenna Based on Split Ring Resonators and Corrugated Plate

CSRRS for Efficient Reduction of the Electromagnetic Interferences and Mutual Coupling in Microstrip Circuits

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