Leaky Wave Antenna: Past and Present

Arya, Vivek; Garg, Tanuj

doi:10.1007/978-981-33-6307-6_24

Cited by 11 publications

(7 citation statements)

References 22 publications

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“…Different types of antennae have been developed, and many more are continuously developed. LWAs have received widespread attention due to a variety of advantages, including their frequency beam-scanning capabilities, low profile, simple feeding mechanism, ease of integration with onboard circuitry, and so on [4,5]. LWAs are classified into a few types based on their antenna construction, such as periodic and uniform (or quasi-uniform) kinds of LWAs [6].…”

Section: Introductionmentioning

confidence: 99%

High Gain and Wide-Angle Continuous Beam Scanning SIW Leaky-Wave Antenna

Arya

Garg

Al-Khafaji³

2023

Electronics

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A novel substrate integrated waveguide (SIW) adopting a leaky-wave antenna (LWA) for continuous beam scanning for tri bands is presented. For continuous beam scanning (CBS), optimization of different parameters associated with the unit cell has been carried out. Apart from this, optimal impedance matching is also obtained with the help of the characteristic impedance of the waveguide. The proposed SIW LWA scans from −58° to + 59° along with 14.50 dBi gain when the frequency changes from 10 GHz to 18.22 GHz and provides a scanning rate of 14.23. The beauty of the suggested antenna is its smaller size and high gain, along with a wider scanning range (117°) capability. This antenna’s final prototype has been fabricated, and the measurement results are matched with the simulation results.

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Section: Introductionmentioning

confidence: 99%

High Gain and Wide-Angle Continuous Beam Scanning SIW Leaky-Wave Antenna

Arya

Garg

Al-Khafaji³

2023

Electronics

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“…SIW is a planar waveguide, suitable for millimetre wave application [30]. Some advancements of LWA are mentioned in [31]. Resonant Cavity structure based LWA are also most preferable for significantly enhance gain of a single antenna element [32][33][34][35][36][37].…”

Section: Introductionmentioning

confidence: 99%

Open Stop Band (OSB) Removal Techniques for SIW-Leaky Wave Antenna: A Review

Mishra,

Garg,

Arya

2023

Mikrotalasna revija = Microwave Review

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Major constraint in leaky wave antenna (LWA) is open stop band. In this paper study of different techniques used by researchers to remove the open stop band problem has been done. Different characteristics of leaky wave antenna with the design of substrate integrated waveguide is also discussed. This paper explain theory and design of the unit cell and array of leaky wav antenna in different frequency range i.e. X-band, Kuband and higher frequency range. Study of various techniques to achieve high beam scanning and higher gain has been done.

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“…This emphasis is placed on optimizing antenna gain, bandwidth, isolation, and radiation properties while minimizing both design complexity and associated costs. Ensuring high isolation has become a crucial task for optimal functionality in MIMO communication systems, particularly in the world of portable devices [33]. Many decoupling techniques involve trade-offs between antenna performance metrics, such as isolation, gain, and bandwidth.…”

Section: Introductionmentioning

confidence: 99%

Enhancing Performance of Millimeter Wave MIMO Antenna with a Decoupling and Common Defected Ground Approach

Tiwari,

Gahlaut,

Kaushik

et al. 2023

Technologies

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An approach is presented to enhance the isolation of a two-port Multiple Input Multiple Output (MIMO) antenna using a decoupling structure and a common defected ground structure (DGS) that physically separates the antennas from each other. The antenna operates in the 24 to 40 GHz frequency range. The innovation in the presented MIMO antenna design involves the novel integration of two arc-shaped symmetrical elements with dimensions of 35 × 35 × 1.6 mm3 placed perpendicular to each other. The benefits of employing an antenna with elements arranged perpendicularly are exemplified by the enhancement of its overall performance metrics. These elements incorporate a microstrip feed featuring a quarter-wave transformer (QWT). This concept synergizes with decoupling techniques and a defected ground structure to significantly enhance isolation in a millimeter wave (mm wave) MIMO antenna. These methods collectively achieve an impressively wide bandwidth. Efficient decoupling methodologies have been implemented, yielding a notable increase of 5 dB in isolation performance. The antenna exhibits 10 dB impedance matching, with a 15 GHz (46.87%) wide bandwidth, excellent isolation of more than 28 dB, and a desirable gain of 4.6 dB. Antennas have been analyzed to improve their performance in mm wave applications by evaluating diversity parameters such as envelope correlation coefficient (ECC) and diversity gain (DG), with achieved values of 0.0016 and 9.992 dB, respectively. The simulation is conducted using CST software. To validate the findings, experimental investigations have been conducted, affirming the accuracy of the simulations.

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Leaky Wave Antenna: Past and Present

Cited by 11 publications

References 22 publications

High Gain and Wide-Angle Continuous Beam Scanning SIW Leaky-Wave Antenna

High Gain and Wide-Angle Continuous Beam Scanning SIW Leaky-Wave Antenna

Open Stop Band (OSB) Removal Techniques for SIW-Leaky Wave Antenna: A Review

Enhancing Performance of Millimeter Wave MIMO Antenna with a Decoupling and Common Defected Ground Approach

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