A Single-Layer Miniaturized Patch Antenna Based on Coupled Microstrips

Shao, Zijian; Zhang, Yueping

doi:10.1109/lawp.2021.3064908

Cited by 19 publications

(12 citation statements)

References 14 publications

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“…In terms of bandwidth, two works, 7,13 are good examples, but have a large size. The radiation efficiencies in Reference 13,15,16,20 are higher compared to the efficiency of the antenna provided in this article, but the mentioned designs are bigger and have less bandwidth. Some antennas proposed in Reference 13,15–17,20 achieve a high gain, but in contrast, their operating frequency is higher and they are larger in size.…”

Section: Implementation Results and Comparisonmentioning

confidence: 69%

“…A fair comparison with the recently proposed miniaturized antennas, summarized in Table 3 proves that the proposed antenna is very smaller than all works in Reference 7,12–17. The meandered antenna proposed in Reference 19 is very compact, but its bandwidth and gain are lower.…”

Section: Implementation Results and Comparisonmentioning

confidence: 76%

“…There are two approaches to design the ESAAs: 1) designing an electrically smaller antenna as a sub-array of the ESAA, [12][13][14][15][16][17][18][19][20] and 2) designing an array by diminishing the gap between its elements as much as possible. [21][22][23][24][25] This technique was recently introduced as tightly coupled antennas (TCAs).…”

Section: Introductionmentioning

confidence: 99%

“…For the former method, several professional techniques have been recently introduced for different dipole configurations using 1) series‐LC loading in Reference 12 and two shared folded dipoles in Reference 13, 2) for probe‐fed patches using some series of slots in Reference 14 and via‐based coupled microstrip resonators, 15 and for split ring resonator (SRR)‐inspired elements in Reference 16 and SRR and composite right/left‐handed transmission lines (CRLH‐TLs) based antenna in Reference 17. It should be noted that the significant size reduction over 50% was achieved in Reference 12,13 while the 10‐dB S 11 bandwidth was reduced to less than 10%.…”

Section: Introductionmentioning

confidence: 99%

“…It should be noted that the significant size reduction over 50% was achieved in Reference 12,13 while the 10‐dB S 11 bandwidth was reduced to less than 10%. As introduced in Reference 15, by carefully adjusting the gaps between the resonators as a variable capacitance loading, a size reduction over 60% is achieved. Both Reference 16,17 propose an efficient circuit model to verify the miniaturization phenomena.…”

Section: Introductionmentioning

confidence: 99%

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Miniaturized design of coupled bi‐element array antenna using sequential inductive and interdigital capacitive circuits

Zaker

2021

Int J RF Mic Comp-Aid Eng

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An electrically small array antenna (ESAA) is proposed including two tightly coupled half-monopole antennas (TCMAs) as a single radiation element with two excitation ports. By properly using two consecutive inductive-capacitive loadings in the conventional bi-element monopole, total electrical length of the resonant frequency is increased, significantly and then the frequency migrates from 4 to 0.5 GHz as a frequency sample (i.e., an 88% reduction). This combination consists of several stubs on each of the monopoles and an interdigital capacitor designed in the dead space between them so that only a compact overall size of 0:02λ 0 Â 0:035λ 0 at 0.5 GHz is occupied. The studies on different subsections of the TCMA are done and additionally an extended circuit model and simplified one are presented which agrees well with simulation. Due to the fully symmetrical design and elimination of the cross currents, a stable omni-directional radiation pattern with high polarization purity and radiation efficiency over 20 dB and 78% is achieved, respectively. An implemented prototype exhibits an improved impedance matching and measured 10 dB S 11 bandwidth of 34% which are in good agreement with simulation. The proposed TCMA can be a good candidate for compact wireless systems such as RFID sensors.

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Section: Implementation Results and Comparisonmentioning

confidence: 69%

Section: Implementation Results and Comparisonmentioning

confidence: 76%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Miniaturized design of coupled bi‐element array antenna using sequential inductive and interdigital capacitive circuits

Zaker

2021

Int J RF Mic Comp-Aid Eng

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A low‐profile wideband microstrip patch antenna using double half‐mode resonances

Jin,

Zhang,

Lin

et al. 2024

Micro & Optical Tech Letters

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This paper presents a miniaturized broadband microstrip patch antenna with a simple geometry. The radiation patch of this antenna comprises two rectangular patches with slightly different sizes, one side of each patch is grounded by metal via‐holes. Two rectangular patches are connected by a microstrip line and fed by a single port. Two rectangular patches produce two closely resonant frequencies achieving broadband performance. This antenna operates on the resonant method of short‐circuiting on one side. Metal via‐holes act as a short‐circuit wall allowing each patch to operate in TM0.5,0 mode. The size of a 1/4 wavelength resonant patch is only half of a conventional microstrip antenna, the overall size of this antenna is almost as same as a conventional rectangular microstrip antenna, making it compact in size. The wideband is achieved by combining two radiating patches, resulting in stable radiation and flat gain. Measurement results show that the antenna has an impedance bandwidth of 4.355.10 GHz (15.8%) using a common dielectric substrate without air layer thickness additionally. The maximum measured realized gain is 4.61 dB. This antenna has advantages of wide bandwidth, low profile, flat gain and ease of manufacturing.

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Highly decoupled and high gain conformal two-port MIMO antenna for V2X communications

Aliqab

Armghan

Alsharari

et al. 2023

Alexandria Engineering Journal

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A Single-Layer Miniaturized Patch Antenna Based on Coupled Microstrips

Cited by 19 publications

References 14 publications

Miniaturized design of coupled bi‐element array antenna using sequential inductive and interdigital capacitive circuits

Miniaturized design of coupled bi‐element array antenna using sequential inductive and interdigital capacitive circuits

A low‐profile wideband microstrip patch antenna using double half‐mode resonances

Highly decoupled and high gain conformal two-port MIMO antenna for V2X communications

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