A Novel Compact Monopulse Parallel-Plate Slot Array Antenna

Aliasgari, Javad; Atlasbaf, Zahra

doi:10.1109/lawp.2015.2472462

Cited by 25 publications

(18 citation statements)

References 9 publications

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“…The comparison of the proposed concept building blocks to generate the difference pattern with other references is performed and depicted in Table 5. One can notice that the proposed array has a low profile, single port, simple geometry, and has a deep null at θ = 0 ∘ in its radiation pattern, as compared to other reported works 8‐15 . The difference beam properties of the proposed array reflects a good agreement with respect to the other reported works.…”

Section: Resultssupporting

confidence: 75%

“…One can notice that the proposed array has a low profile, single port, simple geometry, and has a deep null at θ = 0 ∘ in its radiation pattern, as compared to other reported works. [8][9][10][11][12][13][14][15] The difference beam properties of the proposed array reflects a good agreement with respect to the other reported works. Therefore, the proposed concept to generate the difference pattern is suitable for applications like satellite communication.…”

Section: Radiation Efficiency and Gainsupporting

confidence: 89%

“…The diagonal slots length variation effect on S 11 is shown in Figure 5. It can be seen that C L varies from 3.85 mm to 7.25 mm and for 5.55 mm value it resonate at 5.90 GHz with good S 11 . Similarly, the slots width variation effect on S 11 has been presented in Figure 6.…”

Section: Parametric Analysismentioning

confidence: 89%

“…The radial line slot antennas are used to improve the electrical performance of the antenna such as gain, null depth etc. and it is reported by Aliasgari et al 11 Maddio 12 proposed the disc‐based circularly polarized (CP) switched beam antenna with pattern diversity for WiFi applications. A dual‐port, multi‐layered antenna has been presented to generate the sum and difference pattern 13,14 .…”

Section: Introductionmentioning

confidence: 99%

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Generation of difference pattern from a linear microstrip patch array for the monopulse radar application

Patanvariya

Chatterjee

2020

Int J RF Microw Comput Aided Eng

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This paper presents a new technique to generate difference pattern from a circularly polarized (CP) microstrip array antenna for monopulse radar application. The individual truncated corner radiators of the array are left-handed CP (LHCP). The difference pattern is generated by placing together the left and right side proposed single elements in opposite direction to each other along the y-axis with an inter-element spacing of 3λ/4. In order to achieve a stable radiation pattern with low sidelobe level over a resonating band, a uniform feed network is designed for the array. Finally, the proposed single element and the 4 × 1 array are designed, fabricated, and measured. The left-polarized element of the array structure, resonates at 5.90 GHz with good circular polarization properties. The array prototype resonates at 5.904 GHz with 3.60% impedance bandwidth. The array gives null depth greater than −30 dB at θ = 0 ∘ in different ϕ cuts. The proposed left-CP array has a gain of 9.48 dBic and a radiation efficiency of 77.50%. Moreover, the measured results matched well with the simulated results, which proves the effectiveness of the proposed approach for practical application.

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Section: Resultssupporting

confidence: 75%

Section: Radiation Efficiency and Gainsupporting

confidence: 89%

Section: Parametric Analysismentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

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Generation of difference pattern from a linear microstrip patch array for the monopulse radar application

Patanvariya

Chatterjee

2020

Int J RF Microw Comput Aided Eng

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“…Monopulse antennas are a long standing technology, commonly used in precise long-distance radars [11][12][13][14][15]. They rely on two highly directive antennas (e.g.…”

Section: Introductionmentioning

confidence: 99%

Low-Cost Multimode Patch Antenna for Dual MIMO and Enhanced Localization Use

Narbudowicz¹,

Ammann²

2018

IEEE Trans. Antennas Propagat.

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This paper proposes a simple, low-cost multi-mode patch antenna combining good MIMO performance with precise Angle of Arrival (AoA) estimation. The AoA is based on the monopulse antenna concept, however, unlike in radar applications, the necessity for complex circuitry is replaced by the intrinsic properties of even and odd resonant patch modes. This capability is advantageous for future "Internet of Things" antennas, embedded into low-cost and size-constrained devices. The envelope correlation coefficient, measured in an anechoic chamber, is below 1.5 %, ensuring good MIMO performance. An exemplary addition to localization algorithm exploiting antenna properties is demonstrated.

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High‐directive monopulse microstrip antenna array for DSRC‐band application

Patanvariya

Chatterjee

2021

Int J Communication

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Summary In this paper, the authors presented a new technique to generate difference (Δ)‐pattern in microstrip patch antenna array for monopulse applications. In array, the truncated corner single elements are left‐handed and right‐handed circularly polarized. The Δ‐pattern is generated by placing the left‐ and right‐polarized single elements in same direction along y‐axis. The circuit model analysis of a single element and array is presented to analyze the antenna's performance. In order to achieve a lower sidelobe level and stable radiation pattern, a uniform power divider has been designed. Finally, the proposed left‐ and right‐polarized element and array are fabricated and measured. The proposed circularly polarized (CP) elements and array resonates at 5.90 GHz. The array provides null depth of more than −42 dB at θ=0∘ direction in different ϕ cuts. The proposed array has a linear gain of 8.71 dBi and radiation efficiency of 77.25%. Furthermore, the simulated and measured results are well matched, which shows the effectiveness of the proposed way to generate the difference pattern for monopulse application.

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A Novel Compact Monopulse Parallel-Plate Slot Array Antenna

Cited by 25 publications

References 9 publications

Generation of difference pattern from a linear microstrip patch array for the monopulse radar application

Generation of difference pattern from a linear microstrip patch array for the monopulse radar application

Low-Cost Multimode Patch Antenna for Dual MIMO and Enhanced Localization Use

High‐directive monopulse microstrip antenna array for DSRC‐band application

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