Beam-steerable integrated lens antenna with waveguide feeding system for 71–76/81–86 GHz point-to-point applications

Anab

Int. J. Recent Contrib. Eng. Sci. IT

et al. 2021

Beam steering antennas is essential part of various WCN (Wireless Communication Networks) such as radar and satellite communication. The increasing demand of high data rate, high SNR (Signal to Noise Ratio) and high gain, therefore pattern reconfigurable antennas are required to improve such properties. Beam steering is the technique of changing the main lobe direction of radiation. The constructive and distractive interference are used to steer the lobe in specific direction. Beam steering is necessary in various communications such as localization, satellite, tracking system and airborne application. Beam steering antenna decreases interference and power consumption and also increases directivity and gain. Beam steering antenna transmit and receive signals in specific direction. Beam steering antenna decreases interference and power consumption and also increases directivity and gain. The researchers are interested to find optimal beam steering solution for single and multi-point application. In past various techniques are used to achieve beam reconfigurable antennas. This paper presents, beam steering principle and their theory, beam steering techniques such as; Mechanical Steering, Beamforming, Switching Pin Diodes, Reflector and array antenna (Reflectarray), Parasitic Steering, Phase Shifters, Switched Beam Antennas, Metamaterial Antennas, Traveling Wave Antennas, Retro-directive Antennas, Integrated Lens Antennas (ILAS), merits and demerits and comparison among various techniques.

Section: Integrated Lens Antennasmentioning

confidence: 99%

Section: Integrated Lens Antennasmentioning

confidence: 99%

A Survey on Beam Steering Techniques in Printed Antennas

Anab

Int. J. Recent Contrib. Eng. Sci. IT

et al. 2021

“…This antenna can be applied for high-data-rate backhaul/fronthaul systems for 5G communications. The homogeneous lens antennas with electronic beam control were considered promising for millimetre-wave backhaul applications [4], [6]. Additive technology can be also used for the design and fabrication of homogeneous lens antennas [7], [8].…”

Section: Introductionmentioning

confidence: 99%

A Review of 3D Printed Gradient Refractive Index Lens Antennas

et al. 2023

Gradient index lens antennas find their application in modern wireless communication including radar systems, satellite communication, etc. They can ensure highly directional beamforming, support multibeam operations and beam steering capabilities within a wide angle of view. The development of 3D printing technologies enables the implementation of complex gradient refractive index distribution with high accuracy as well as obtaining a significant reduction in the production time and cost. This paper presents the state of the art in gradient refractive index lens antenna design using different types of additive manufacturing processes. It shows the applicability of 3D printing to a wide range of operational frequency bands from microwave to sub-THz and THz.INDEX TERMS Additive manufacturing, antennas, 3D printing, radio frequency applications, dielectric lens, gradient refractive index lens, lens antennas.

2018 48th European Microwave Conference (EuMC)

“…Although bulky in size, an integrated lens antenna (ILA) with beam-focusing and steering ability has been a popular choice in the field of telecommunication, radar and imaging [3], [4], [5]. The size and shape of an ILA is dependent on the gain requirement and dielectric properties of the material used.…”

Section: Introductionmentioning

confidence: 99%

Integrated Lens Antennas for E-Band

Karki

Ala‐Laurinaho

Kantunen

et al. 2018

This work evaluates the performance of two ILA with different dielectric materials. Two elliptical ILAs of 32 mm radius are designed using Rexolite (r = 2.53 and tanδ = 0.0013) and PREPERM ® L450 (r = 5.01 and tanδ = 0.0046) materials. The gain and beam-steering properties of these ILAs were thoroughly investigated using raytracing simulations and measurements at E-band. Despite the higher loss tangent, the ILA with L450 material gives 29.3 dBi gain compared to 28.7 dBi of Rexolite material at 73 GHz. The measured gain scan loss for steering angle of the 24°beam is 4.3 dB and 4.9 dB for the Preperm-ILA and Rexolite-ILA, respectively. Additionally, the work focuses on the dielectric property characterization of the L450 material at millimeter wave frequencies.