International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 10 Issue: 06 | Jun 2023
p-ISSN: 2395-0072
www.irjet.net
ANALYSIS OF ANTENNA ARRAYS FOR MILLIMETER WAVE COMMUNICATION Arpit Yadav1, Mr. Nadeem Ahmad2 1M.Tech, Electronic and Communication Engineering, GITM, Lucknow, India
2Assistant Professor Electronic and Communication Engineering, GITM, Lucknow, India
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Abstract - This research combines a front-end RFIC with
absorption, limited range, and sensitivity to blockage by obstacles. Despite these challenges, millimeter-wave communication is becoming increasingly important in applications such as 5G wireless networks, autonomous vehicles, and virtual reality systems, and research continues to explore ways to optimize millimeter-wave communication systems for reliable and efficient operation.
arrays of antennas operating at 60 and 28 GHz to steer the beam inside a 50-degree arc. Antenna arrays operating at 28 GHz enable 5G's high-speed, broadband data services. In order to send such a large amount of data to the core network through a fixed wireless access (FWA) link, a broadband, highgain, steerable narrow-beam array is required. Antenna arrays at 60 GHz are presented in this thesis for use in FWA and backhaul applications. At 60 GHz (57-66 GHz), the proposed arrays consist of stacked patches and connected slots that are fed by a high gain lens antenna. Over 20 dBi of gain is available from the 216 stacked patches antenna array. The array and RFIC front end combine to provide a module with an EIRP of more than 40 dBm. The other array of 60 GHz antennas has sixteen parallel slots. A high-gain dielectric lens is fed by this source. This antenna has a maximum gain of 25.4 dBi. When the lens is used to deflect the beam away from the broadside, it actually increases in brightness. At 24.25–29.50 GHz, two tiny arrays of antennas transmit and receive. LP and CP arrays may be found in fan-out embedded wafer level ballgrid array (eWLB) packaging. Because the feed lines are shorter and there is no geometrical discontinuity, the antenna in package (AiP) approach saves money compared to PCB arrays and reduces integration losses. The LP array is made up of dipole antennas that are fed into a novel horn-shaped heatsink. The RF module's beam-steering range is 35°, and its peak EIRP is 34 dBm. The CP antenna array is made up of crossed dipoles, and the RF module can steer the antenna's beam by up to 50 degrees.
Figure-1: Millimeter-wave frequency bands. The principle of millimeter-wave frequency bands is that they operate in the high-frequency range between 30 GHz and 300 GHz. Millimeter waves have a short wavelength, typically ranging from 1 mm to 10 mm, which is why they are called millimeter waves.
Key Words: Antenna arrays, Millimeter wave communication, Beamforming, Gain, Channel modeling, Link budget analysis, 5G wireless networks.
The use of millimeter waves for communication purposes offers several advantages over lower frequency bands. For example, millimeter waves have a large available bandwidth, which means that they can transmit large amounts of data at high speeds. Additionally, millimeter waves have a short range, which makes them ideal for use in densely populated areas where interference can be a problem.
1. INTRODUCTION Millimeter-wave frequency bands typically refer to the range of electromagnetic frequencies between 30 GHz and 300 GHz. This range of frequencies is higher than those typically used for traditional wireless communication systems, which typically operate in microwave frequency bands (less than 30 GHz). The millimeter-wave frequency bands offer several advantages for communication, including the ability to transmit large amounts of data at high speeds, as well as the ability to support a large number of simultaneous connections. However, these higher frequency bands also present several challenges, including higher atmospheric
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However, millimeter waves have a limited ability to penetrate obstacles such as buildings and foliage. This means that they are not suitable for long-range communication, and are typically used for short-range, line-of-sight communication applications such as wireless local area networks (WLANs) and point-to-point communication links.
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