Arrays of patch antenna using log periodic property

Dadel, Megha; Srivastava, Shweta

doi:10.1109/indianaw.2011.6264943

Cited by 3 publications

(6 citation statements)

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“…Almost each log-periodic-microstrip-antenna (LPMA) paper in the literature [6][7][8][9][10][11][12]20 apply the scaling factor (τ) directly to antenna width (W), length (L) and spacing between the element and the feed point (X) these papers derive individual feed line to both sides of the main feed line for exciting the array elements. Therefore, the radiating edges of each element are parallel to the main feed line.…”

Section: Configuration-imentioning

confidence: 99%

“…As an example of such structures, [6][7][8][9][10][11][12]20 we reproduced the Rahim-Gardner model 10 of 7 elements ( Figure 7) in the frequency band of 2.03 to 2.73 GHz band. Both Sparameter ( Figure 8) and E-field pattern ( Figure 9) have been simulated.…”

Section: Configuration-iimentioning

confidence: 99%

“…In literature, 6‐10,20 the physical parameters of LMPA are related as f k‐1 / f k = W k / W k‐1 = L k / L k‐1 = τ or f k‐1 = τ 1‐k f 1 , and W k / W 1 = L k / L 1 = τ k‐1 . However, the operating frequencies are not directly proportional to physical lengths of respective array elements.…”

Section: Configuration‐imentioning

confidence: 99%

“…Therefore, many researchers try to incorporate Log periodic principles into microstrip antennas for bandwidth enhancement initially and there after gain improvement. [6][7][8][9][10][11][12][13][14][15][16][17][18][19] However in most of the design alternative elements are on either side of the array axis, that is, element placement is asymmetric along the array axis because the array axis does not contain the centre of element as in case of LPDA. Moreover, unlike in LPDA the radiating edges are parallel to array axis in these cases.…”

Section: Introductionmentioning

confidence: 99%

“…Like dipole antenna the microstrip antenna also has an almost omni directional pattern. Therefore, many researchers try to incorporate Log periodic principles into microstrip antennas for bandwidth enhancement initially and there after gain improvement 6‐19 . However in most of the design alternative elements are on either side of the array axis, that is, element placement is asymmetric along the array axis because the array axis does not contain the centre of element as in case of LPDA.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

T‐fed for end‐fire pattern of log‐periodic microstrip array

Muduli

Mishra

2020

Int J RF Microw Comput Aided Eng

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This article considers feeding techniques for Log Periodic Microstrip-Antenna Array (LPMA). It proposes simple design equations of LPMA for each feed configuration. For an operating band of 4 to 6 GHz, we use a scaling factor of 1.05. EM simulation studies and measurements on prototypes show that the T Fed LPMA gives 2 to 5 dBi gain improvement over other configurations. Unlike many other LPMA configurations, the proposed configuration follows proper Log-Periodic principle with almost an end-fire radiation pattern. These design principles will be useful in LPMA synthesis and the prototype-based designs can find applications in various areas including Wi-Fi, C band, and others.

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Section: Configuration-imentioning

confidence: 99%

Section: Configuration-iimentioning

confidence: 99%

Section: Configuration‐imentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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T‐fed for end‐fire pattern of log‐periodic microstrip array

Muduli

Mishra

2020

Int J RF Microw Comput Aided Eng

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Feature Enhancement of Three Log‐Periodic Antennas Based on Antipodal Vivaldi Patch

Eshaghpanah

Mohajeri

2022

Radio Science

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With the proliferation of communications, the need to build small, compact, multi-band, and high-gain antennas are clearly felt. Therefore, researchers make great efforts to improve the radiation characteristics and reduce the size of the antenna (Lee et al., 2016). Over the past few decades, microstrip antennas have been widely used in this field. Microstrip antennas have advantages over conventional antennas, such as their small size, which is used in wireless devices, airplanes, and satellites. Various methods reduce the dimensions and increase the microstrip antenna gain (Balanis, 2005).Common methods for designing a multi-band antenna include fractalization, the use of various slots, incomplete ground structure, and parasitic elements. Also, antenna miniaturization methods include the use of high dielectric constant materials, short-circuit microstrip antennas, shorting posts, and the use of cross-slots. The use of materials with high dielectric constant causes surface waves and reduces bandwidth and efficiency. In the shorting post method, the input impedance of the antenna power supply is sensitized to the distance between the shorting posts and the power cable. The method of cross-slots of equal length in the center of the patch is used in double-band antennas. All methods have problems such as decreasing gain and increasing the size of the antenna (

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Design and simulation of novel free space log periodic dipole array (FLPDA) antenna to increase the directivity at the frequency range of 35 MHz to 60 MHz and compared with the dipole antenna

Reddy,

Bhaskar

2024

AIP Conference Proceedings

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Arrays of patch antenna using log periodic property

Cited by 3 publications

References 4 publications

T‐fed for end‐fire pattern of log‐periodic microstrip array

T‐fed for end‐fire pattern of log‐periodic microstrip array

Feature Enhancement of Three Log‐Periodic Antennas Based on Antipodal Vivaldi Patch

Design and simulation of novel free space log periodic dipole array (FLPDA) antenna to increase the directivity at the frequency range of 35 MHz to 60 MHz and compared with the dipole antenna

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