Phased Millimeter-Wave Antenna Array for 5G Handled Devices

Phased Millimeter-Wave Antenna Array for 5G Handled Devices

Emna Jebabli, Mohamed Hayouni, Fethi Choubani
Copyright: © 2023 |Pages: 22
DOI: 10.4018/978-1-6684-5955-3.ch005
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Abstract

In this chapter, the authors present the fundamental theory behind microstrip antenna array design and beamforming. Thus, design and simulation of low profile microstrip phased arrays for 5G applications will be discussed. It will be organized as follows: In Section 2, the 5G mobile network frequency spectrums will be discussed. In Section 3, the authors will explore the recent trends and developments on the main used techniques in systemic designs of low-profile antenna arrays followed by their investigations on some mm-wave antenna arrays. Next, in Section 4, fundamental theory behind phased antenna array, followed by some simulation results, will be presented and discussed. Finally, in Section 5, a conclusion highlighting the advantages of some techniques will be presented.
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2. 5G Mobile Network Frequency Spectrums

The bands available in mm-wave are Ka-band (26.5–40 GHz), V-band (57–71 GHz), and E-band (71–76 GHz and 81–86 GHz). Thus, the 5G spectrum is generally subdivided into two frequency bands (FR1) and (FR2), the first frequency band (FR1) extends from 450 MHz to 6000 MHz, while the second frequency band (FR2) is from 24.25 GHz to 52.6 GHz. Note that the FR2 contains frequencies above 30 GHz for this reason the word mm-wave and FR2 are often used mutually (Lopez et al., 2019). The different bands defined for FR2 are summarized in the following Table 1.

Table 1.
Frequency band for FR2
BandFrequency Band (GHz)
n25726,5–29,5
n25824,25–27,5
n26037–40
n26127,5–28,35

(Lopez et al., 2019)

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