A Compact Low Cost High Isolation Substrate Integrated Waveguide Fed Slot Antenna Array at 28 GHz employing Beamforming and Beam Scanning for 5G Applications

Nasir, Jamal; Rehman, Mutee ur; Hashmi, Ali; Khan, Wasif Tanveer

doi:10.1049/cp.2018.1202

Cited by 5 publications

(4 citation statements)

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“…There are several techniques are used to increase the gain and directivity of an antenna such as using an antenna array [15][16][17][18], adding an artificial magnetic conductor (AMC) below the antenna [19][20][21][22], and using the FSS. These techniques can be used to improve the antenna gain in microwave and mm-wave [23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

“…In [15], a 28 GHz four elements antenna array with hocked shape is investigated to increase the single antenna gain from 3.59 dBi to 10.3 dBi. A 28 GHz five elements slot antenna array to produce antenna gain of around 10 dBi is discussed in [16]. In [17], a 28 GHz four elements dense dielectric patch antenna array attached with a superstrate to achieve antenna gain of 12.4 dBi is studied.…”

Section: Introductionmentioning

confidence: 99%

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Millimeter-Wave Antenna With Gain Improvement Utilizing Reflection FSS for 5G Networks

et al. 2022

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A millimeter-wave (mm-wave) antenna with enhanced gain for new 5G networks is introduced in this work. A rectangular slot antenna operating at the fundamental mode of the desired frequency band is utilized in this study. The antenna gain is improved by employing a Frequency Selective Surface (FSS). The FSS-based reflectors are designed at the same fundamental mode of the antenna and added under the antenna at a specific distance to achieve the required gain enhancement with a suitable dimension of 25 × 25 × 5 mm 3 . The antenna gain is increased by around 5.3 dBi when the FSS-based reflectors are added under the antenna. The antenna and the FSS are fabricated and tested. The antenna has tested outcomes without FSS with S 11 ≤ -10 dB from 26 GHz up to 29.8 GHz and realized gain of around 4.5 dBi within the entire frequency band and radiation efficiency of around 93 %. While the antenna with FSS has achieved bandwidth with S 11 ≤ -10 dB from 25.5 GHz up to 30.8 GHz and realized gain around 10.3 dBi at 28 GHz and radiation efficiency around 90 %. The simulated and tested outcomes have the same trend which validates the suggested antenna to be operated in the new 5G applications. All simulation results are completed using the CST Microwave Studio.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Millimeter-Wave Antenna With Gain Improvement Utilizing Reflection FSS for 5G Networks

et al. 2022

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“…Several antenna designs with high gain are introduced by the researchers [10][11][12][13][14][15][16][17][18]. In [10], an array antenna with a dense dielectric patch working at 28 GHz is discussed.…”

Section: Introductionmentioning

confidence: 99%

“…An 8-element Yagi-Uda antenna with again around 12.7 at 28 GHz is investigated in [12]. In [13], a 5-element linear array with peak gain equal 10 dBi and operating at 28 GHz is studied. An 8-element dipole antenna with a peak gain of around 12.5 dBi is discussed in [14].…”

Section: Introductionmentioning

confidence: 99%

Slotted Antenna Array with Enhanced Radiation Characteristics for 5G 28 GHz Communications

et al. 2022

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This paper presents a 1 × 4 linear antenna array working at 28 GHz for 5G communication systems. The proposed array employs four rectangular slotted antenna elements fed by a 1 × 4 T-power divider. An artificial magnetic conductor (AMC) layer is placed below the array for increasing the radiation intensity and improving overall array gain. The measured impedance bandwidth of the proposed array with (|S11| < −10 dB) is extended from 25.36 to 26.03 GHz (with a bandwidth of 0.67 GHz) and from 26.75 to 28.81 GHz (with a bandwidth of 2.06 GHz). The proposed array design exhibits a measured gain value that varies between 11.8 dBi and 13.1 dBi within the operating bands and reaches 13.1 dBi at 28 GHz. The proposed array achieves a radiation efficiency of 83.05%, and a front-to-back ratio ranging between 15 and 20 dB across the operating frequency band. The array is fabricated and tested with good matching between the simulated and tested outcomes. The improved performance of the array makes it a suitable candidate for 5G new radio (NR) communications.

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5G dual-band slotted SIW array antenna

Kumawat

Joshi

2021

Journal of Taibah University for Science

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A dual-band slotted substrate-integrated waveguide four-element array antenna for the 5G communication system is presented in this manuscript. Two longitudinal slots are responsible for generating frequency bands of 28 and 38 GHz. The proposed antenna is designed on the substrate duroid 5880/Rogers having a loss tangent and dielectric constant of 0.003 and 2.2, respectively. The developed single-element design at 28 GHz provides 6.35 dBi gain, while at 38 GHz it provides 7.3 dBi gain and the simulation is carried out with CST Microwave Studio, 2018. To accomplish high gain, an optimized four-element array antenna is designed with a parallel feeding network on the same substrate that covers 28 . The designed antenna array attains the radiation efficiency of 88.08% with 12.7 dBi gain at 28 GHz and the efficiency of 84.44% with 15.5 dBi gain at 38 GHz band.

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A Compact Low Cost High Isolation Substrate Integrated Waveguide Fed Slot Antenna Array at 28 GHz employing Beamforming and Beam Scanning for 5G Applications

Cited by 5 publications

References 0 publications

Millimeter-Wave Antenna With Gain Improvement Utilizing Reflection FSS for 5G Networks

Millimeter-Wave Antenna With Gain Improvement Utilizing Reflection FSS for 5G Networks

Slotted Antenna Array with Enhanced Radiation Characteristics for 5G 28 GHz Communications

5G dual-band slotted SIW array antenna

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