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196 Results Found

  • Article
  • Open Access
1,735 Views
30 Pages

Slotted Circular-Patch MIMO Antenna for 5G Applications at Sub-6 GHz

  • Heba Ahmed,
  • Allam M. Ameen,
  • Ahmed Magdy,
  • Ahmed Nasser and
  • Mohammed Abo-Zahhad

28 July 2025

The swift advancement of fifth-generation (5G) wireless technology brings forth a range of enhancements to address the increasing demand for data, the proliferation of smart devices, and the growth of the Internet of Things (IoT). This highly interco...

  • Article
  • Open Access
24 Citations
3,856 Views
12 Pages

Gain Improvement of a Dual-Band CPW Monopole Antenna for Sub-6 GHz 5G Applications Using AMC Structures

  • Mahmoud A. Abdelghany,
  • Mohamed Fathy Abo Sree,
  • Arpan Desai and
  • Ahmed A. Ibrahim

A dual-band high gain monopole antenna interfaced with an artificial magnetic conductor (AMC) reflector is introduced in this paper. The antenna is composed of an open-loop shape radiator fed with a coplanar waveguide (CPW) to achieve the desired fre...

  • Article
  • Open Access
33 Citations
5,267 Views
15 Pages

Triple-Band Square Split-Ring Resonator Metamaterial Absorber Design with High Effective Medium Ratio for 5G Sub-6 GHz Applications

  • Mohammad Lutful Hakim,
  • Mohammad Tariqul Islam,
  • Touhidul Alam,
  • Sharul Kamal Abdul Rahim,
  • Badariah Bais,
  • Md. Shabiul Islam and
  • Mohamed S. Soliman

4 January 2023

This article proposes a square split-ring resonator (SSRR) metamaterial absorber (MMA) for sub-6 GHz application. The unit cell of the MMA was designed and fabricated on commercially available low-cost FR-4 substrate material with a dielectric consta...

  • Article
  • Open Access
8 Citations
3,321 Views
15 Pages

Rapid Prototyping of Bio-Inspired Dielectric Resonator Antennas for Sub-6 GHz Applications

  • Valeria Marrocco,
  • Vito Basile,
  • Ilaria Marasco,
  • Giovanni Niro,
  • Luigi Melchiorre,
  • Antonella D’Orazio,
  • Marco Grande and
  • Irene Fassi

29 August 2021

Bio-inspired Dielectric Resonator Antennas (DRAs) are engaging more and more attention from the scientific community due to their exceptional wideband characteristic, which is especially desirable for the implementation of 5G communications. Nonethel...

  • Article
  • Open Access
14 Citations
2,768 Views
20 Pages

This study introduces a cost-effective monopole antenna array and its MIMO configuration. The single element consists of a rectangular patch monopole featuring five circular slots at the center, accompanied by two thin slots at the top, offering a wi...

  • Article
  • Open Access
5 Citations
2,364 Views
25 Pages

A Sub-6GHz Two-Port Crescent MIMO Array Antenna for 5G Applications

  • Heba Ahmed,
  • Allam M. Ameen,
  • Ahmed Magdy,
  • Ahmed Nasser and
  • Mohammed Abo-Zahhad

The fifth generation of wireless communication (5G) technology is becoming more innovative with the increasing need for high data rates because of the incremental rapidity of mobile data growth. In 5G systems, enhancing device-to-device communication...

  • Article
  • Open Access
7 Citations
2,727 Views
11 Pages

A Deployable and Cost-Effective Kirigami Antenna for Sub-6 GHz MIMO Applications

  • Saad Hassan Kiani,
  • Mohamed Marey,
  • Umair Rafique,
  • Syed Imran Hussain Shah,
  • Muhammad Adil Bashir,
  • Hala Mostafa,
  • Sai-Wai Wong and
  • Naser Ojaroudi Parchin

13 October 2022

In this work, a low-cost, deployable, integratable, and easy-to-fabricate multiple-input multiple-output (MIMO) Kirigami antenna is proposed for sub-6 GHz applications. The proposed MIMO antenna is inspired by Kirigami art, which consists of four rad...

  • Article
  • Open Access
11 Citations
3,113 Views
26 Pages

6 October 2024

This study introduces a novel antenna based on the binary operation of a modified circular patch in conjunction with the Koch fractal. The antenna is intended for applications in the sub-6 GHz band, partial C-band, and X-band. The low-cost antenna is...

  • Article
  • Open Access
15 Citations
3,530 Views
11 Pages

Compact Wideband Four-Port MIMO Antenna for Sub-6 GHz and Internet of Things Applications

  • Nathirulla Sheriff,
  • Sharul Kamal,
  • Hassan Tariq Chattha,
  • Tan Kim Geok and
  • Bilal A. Khawaja

12 December 2022

A compact four-port multi-input, multi-output (MIMO) antenna with good isolation is proposed for sub-6 GHz and Internet of Things (IoT) applications. Four similar L-shaped antennae are placed orthogonally at 7.6 mm distance from the corner of the FR4...

  • Article
  • Open Access
12 Citations
2,476 Views
14 Pages

Development of Wearable Textile MIMO Antenna for Sub-6 GHz Band New Radio 5G Applications

  • Pendli Pradeep,
  • Mohammed Mahaboob Basha,
  • Srinivasulu Gundala and
  • Javed Syed

In this paper, an irregular octagonal two-port MIMO patch antenna is designed specifically for New Radio (NR) 5G applications in the mid-band sub-6 GHz. The proposed antenna comprises an irregularly shaped patch antenna equipped with a regular 50-ohm...

  • Article
  • Open Access
30 Citations
3,618 Views
18 Pages

Compact Sub-6 GHz Four-Element Flexible Antenna for 5G Applications

  • Mahmoud A. Abdelghany,
  • Ahmed A. Ibrahim,
  • Hesham. A. Mohamed and
  • Emad Tammam

This paper proposes the design of a compact sub-6 GHz four-port flexible antenna for utilization in 5G applications. A two-arm monopole with a coplanar waveguide feed line printed on a flexible substrate was proposed to shape the single-element anten...

  • Article
  • Open Access
34 Citations
3,996 Views
15 Pages

25 July 2022

This paper presents the design and realization of a flexible and frequency-reconfigurable antenna with harmonic suppression for multiple wireless applications. The antenna structure is derived from a quarter-wave monopole by etching slots. Afterward,...

  • Article
  • Open Access
22 Citations
4,021 Views
21 Pages

28 July 2023

This paper presents a novel frequency reconfigurable antenna design for sub-6 GHz applications, featuring a unique combination of antenna elements and control mechanisms. The antenna is composed of an outer split-ring resonator loaded with an inner s...

  • Article
  • Open Access
69 Citations
12,063 Views
19 Pages

A Wideband High-Gain Microstrip Array Antenna Integrated with Frequency-Selective Surface for Sub-6 GHz 5G Applications

  • Husam Alwareth,
  • Imran Mohd Ibrahim,
  • Zahriladha Zakaria,
  • Ahmed Jamal Abdullah Al-Gburi,
  • Sharif Ahmed and
  • Zayed A. Nasser

29 July 2022

This paper presents a wideband and high-gain rectangular microstrip array antenna with a new frequency-selective surface (FSS) designed as a reflector for the sub-6 5G applications. The proposed antenna is designed to meet the US Federal Communicatio...

  • Article
  • Open Access
4 Citations
1,616 Views
14 Pages

10 December 2023

In this article, a miniature eight-port multiple-input multiple-output (MIMO) antenna array is proposed for fifth-generation (5G) sub-6 GHz handset applications. The individual antenna element comprises a radiator shaped like the Chinese character &l...

  • Article
  • Open Access
10 Citations
6,099 Views
10 Pages

A Wideband High-Efficiency GaN MMIC Power Amplifier for Sub-6-GHz Applications

  • Liulin Hu,
  • Xuejie Liao,
  • Fan Zhang,
  • Haifeng Wu,
  • Shenglin Ma,
  • Qian Lin and
  • Xiaohong Tang

The monolithic microwave integrated circuit (MMIC) power amplifiers serve an essential and critical role in RF transmit/receive (T/R) modules of phased array radar systems, mobile communication systems and satellite systems. Over recent years, there...

  • Article
  • Open Access
1 Citations
3,550 Views
13 Pages

2 February 2023

This study presents a novel dual-polarized magnetoelectric dipole antenna and its array with director and rectangular parasitic metal patches for LTE and 5G sub-6 GHz base station applications. This antenna is composed of L-shaped magnetic dipoles, p...

  • Article
  • Open Access
13 Citations
2,803 Views
11 Pages

Base Station MIMO Antenna in 1 × 6 Array Configurations with Reflector Design for Sub-6 GHz 5G Applications

  • Mohd. Wasim,
  • Shelej Khera,
  • Praveen Kumar Malik,
  • Samudrala Vara Kumari,
  • Sudipta Das,
  • Walid El-Shafai and
  • Moustafa H. Aly

In this article, a base station array antenna in 1 × 6 configuration is proposed for sub-6 GHz 5G applications. Analyses have been performed on two orthogonally arranged dipole strips, a balun with various feeding schemes, and a reflector with...

  • Article
  • Open Access
5 Citations
4,906 Views
22 Pages

Highly Efficient GaN Doherty Power Amplifier for N78 Sub-6 GHz Band 5G Applications

  • Mohammed A. Elsayed Eid,
  • Tamer G. Abouelnaga,
  • Hamed A. Ibrahim,
  • Ehab K. I. Hamad,
  • Ahmed Jamal Abdullah Al-Gburi,
  • Thamer A. H. Alghamdi and
  • Moath Alathbah

22 September 2023

In this paper, a high-efficiency GaN Doherty power amplifier (DPA) for 5G applications in the N78 sub-6 GHz band is introduced. The theoretical analysis of the matching networks for the peak and carrier transistors is presented, with a focus on the i...

  • Article
  • Open Access
4 Citations
2,200 Views
16 Pages

21 November 2024

This article introduces a broadband sub-6 GHz 8 × 8 MIMO (multi-input multi-output) antenna array for 5G (fifth-generation) metal-frame mobile phone applications. The unique advantage of this compact antenna design is its placement in the corne...

  • Article
  • Open Access
32 Citations
2,789 Views
17 Pages

19 November 2022

A four-port dielectric resonator (DR)-based multiple-input multiple-output (MIMO) antenna is presented for sub-6 GHz MIMO communication. The dielectric resonator was fed through aperture feeding to achieve dual-band resonance. The DRA has the operati...

  • Article
  • Open Access
2 Citations
1,562 Views
15 Pages

Compact Frequency-Agile and Mode-Reconfigurable Antenna for C-Band, Sub-6-GHz-5G, and ISM Applications

  • Esraa Mousa Ali,
  • Wahaj Abbas Awan,
  • Anees Abbas,
  • Syed Mujahid Abbas and
  • Heba G. Mohamed

19 June 2025

This article presents the design and evaluation of a compact-sized antenna targeting heterogenous applications working in the C-band, 5G-sub-6GHz, and the ISM band. The antenna offers frequency reconfigurability along with multi-operational modes ran...

  • Article
  • Open Access
47 Citations
4,911 Views
14 Pages

Design and Realization of a Frequency Reconfigurable Multimode Antenna for ISM, 5G-Sub-6-GHz, and S-Band Applications

  • Adnan Ghaffar,
  • Xue Jun Li,
  • Wahaj Abbas Awan,
  • Syeda Iffat Naqvi,
  • Niamat Hussain,
  • Boon-Chong Seet,
  • Mohammad Alibakhshikenari,
  • Francisco Falcone and
  • Ernesto Limiti

11 February 2021

This paper presents the design and realization of a compact size multimode frequency reconfigurable antenna. The antenna consists of a triangular-shaped monopole radiator, originally inspired from a rectangular monopole antenna. Slots were utilized t...

  • Article
  • Open Access
18 Citations
3,514 Views
16 Pages

A Novel Design and Development of a Strip-Fed Circularly Polarized Rectangular Dielectric Resonator Antenna for 5G NR Sub-6 GHz Band Applications

  • Usman Illahi,
  • Javed Iqbal,
  • Muhammad Irfan,
  • Mohamad Ismail Sulaiman,
  • Muhammad Abbas Khan,
  • Abdul Rauf,
  • Inam Bari,
  • Mujeeb Abdullah,
  • Fazal Muhammad and
  • Grzegorz Nowakowski
  • + 1 author

25 July 2022

In this article, a rectangular dielectric resonator antenna (RDRA) with circularly polarized (CP) response is presented for 5G NR (New Radio) Sub-6 GHz band applications. A uniquely shaped conformal metal feeding strip is proposed to excite the RDRA...

  • Article
  • Open Access
34 Citations
3,793 Views
20 Pages

Mutual Coupling Reduction through Defected Ground Structure in Circularly Polarized, Dielectric Resonator-Based MIMO Antennas for Sub-6 GHz 5G Applications

  • Anwar Ali,
  • Jijun Tong,
  • Javed Iqbal,
  • Usman Illahi,
  • Abdul Rauf,
  • Saeed Ur Rehman,
  • Haider Ali,
  • Muhammad Mansoor Qadir,
  • Muhammad Amir Khan and
  • Rania M. Ghoniem

8 July 2022

This paper describes a singly-fed circularly polarized rectangular dielectric resonator antenna (RDRA) for MIMO and 5G Sub 6 GHz applications. Circular polarization was achieved for both ports using a novel-shaped conformal metal strip. To improve th...

  • Article
  • Open Access
49 Citations
14,176 Views
13 Pages

A Patch Antenna with Enhanced Gain and Bandwidth for Sub-6 GHz and Sub-7 GHz 5G Wireless Applications

  • Shehab Khan Noor,
  • Muzammil Jusoh,
  • Thennarasan Sabapathy,
  • Ali Hanafiah Rambe,
  • Hamsakutty Vettikalladi,
  • Ali M. Albishi and
  • Mohamed Himdi

This paper presents a novel microstrip patch antenna design using slots and parasitic strips to operate at the n77 (3.3–4.2 GHz)/n78 (3.3–3.8 GHz) band of sub-6 GHz and n96 (5.9–7.1 GHz) band of sub-7 GHz under 5G New Radio. The pro...

  • Article
  • Open Access
8 Citations
2,424 Views
11 Pages

24 November 2022

A compact and wide-stop band half mode substrate integrated waveguide (HMSIW) filter, incorporated with a hybrid fractal on the upper plane and a complementary split ring resonator (CSRR), along with a defected ground structure (DGS) etched on the bo...

  • Article
  • Open Access
39 Citations
3,678 Views
22 Pages

A Multi-Slot Two-Antenna MIMO with High Isolation for Sub-6 GHz 5G/IEEE802.11ac/ax/C-Band/X-Band Wireless and Satellite Applications

  • Abdullah G. Alharbi,
  • Jayshri Kulkarni,
  • Arpan Desai,
  • Chow-Yen-Desmond Sim and
  • Ajay Poddar

A tapered symmetrical coplanar waveguide (S-CPW) fed monopole antenna is initially studied. To achieve multiband characteristics, the radiating element of this monopole antenna is loaded with multiple narrow slots and multiple slotted stubs (MSS). Th...

  • Article
  • Open Access
38 Citations
4,101 Views
22 Pages

Fractal Loaded, Novel, and Compact Two- and Eight-Element High Diversity MIMO Antenna for 5G Sub-6 GHz (N77/N78 and N79) and WLAN Applications, Verified with TCM Analysis

  • Tathababu Addepalli,
  • Maragani Satish Kumar,
  • Chandrasekhar Rao Jetti,
  • Naveen Kumar Gollamudi,
  • Bandi Kiran Kumar and
  • Jayshri Kulkarni

14 February 2023

A novel compact fractal loaded two- and eight-element multiple input multiple output (MIMO) with strong diversity is designed for 5G Sub 6 GHz and WLAN applications. The suggested antenna is designed and manufactured on inexpensive FR4 dielectric mat...

  • Article
  • Open Access
56 Citations
4,786 Views
20 Pages

Transparent 2-Element 5G MIMO Antenna for Sub-6 GHz Applications

  • Arpan Desai,
  • Merih Palandoken,
  • Issa Elfergani,
  • Ismail Akdag,
  • Chemseddine Zebiri,
  • Joaquim Bastos,
  • Jonathan Rodriguez and
  • Raed A. Abd-Alhameed

A dual-port transparent multiple-input multiple-output (MIMO) antenna resonating at sub-6 GHz 5G band is proposed by using patch/ground material as transparent conductive oxide (AgHT-8) and a transparent Plexiglas substrate. Two identical circular-sh...

  • Review
  • Open Access
62 Citations
15,039 Views
40 Pages

Design, Challenges and Developments for 5G Massive MIMO Antenna Systems at Sub 6-GHz Band: A Review

  • Sura Khalil Ibrahim,
  • Mandeep Jit Singh,
  • Samir Salem Al-Bawri,
  • Husam Hamid Ibrahim,
  • Mohammad Tariqul Islam,
  • Md. Shabiul Islam,
  • Ahmed Alzamil and
  • Wazie M. Abdulkawi

28 January 2023

Massive multiple-input multiple-output (mMIMO) is a wireless access technique that has been studied and investigated in response to the worldwide bandwidth demand in the wireless communication sector (MIMO). Massive MIMO, which brings together antenn...

  • Article
  • Open Access
3 Citations
3,467 Views
7 Pages

Ultra-Wideband Power Amplifier Design Strategy for 5G Sub-6-GHz Applications

  • Jorge Julián Moreno Rubio,
  • Edison Ferney Angarita Malaver and
  • Jairo Alonso Mesa Lara

17 September 2022

This paper presents a strategy to design ultrawideband power amplifiers with a fractional bandwidth of approximately 200%. It exploits a simple output matching network, which consists of a series transmission line together with a shunt stub, to compe...

  • Article
  • Open Access
2 Citations
1,643 Views
19 Pages

A Miniaturized RHCP Slot Antenna for Wideband Applications Including Sub-6 GHz 5G

  • Atyaf H. Mohammed,
  • Falih M. Alnahwi,
  • Yasir I. A. Al-Yasir and
  • Sunday C. Ekpo

The rapid development of 5G and next-generation wireless systems has increased the demand for antennas that support circular polarization (CP), wide frequency coverage, and a compact size. Achieving wideband CP performance in a low-profile and simple...

  • Article
  • Open Access
43 Citations
4,225 Views
14 Pages

Uni-Planar MIMO Antenna for Sub-6 GHz 5G Mobile Phone Applications

  • Umair Rafique,
  • Suleman Khan,
  • Muhammad Mansoor Ahmed,
  • Saad Hassan Kiani,
  • Syed Muzahir Abbas,
  • Sohail Imran Saeed,
  • Mohammad Alibakhshikenari and
  • Mariana Dalarsson

8 April 2022

This article presents the design of a uni-planar MIMO antenna system for sub-6 GHz 5G-enabled smartphones. The MIMO antenna designed comprises four loop-shaped radiators placed at each corner of the mobile phone board, which follows the principle of...

  • Article
  • Open Access
3 Citations
2,369 Views
14 Pages

Novel Nth/2Nth Order Two-Band Bandpass Filters for Sub-6 GHz 5G Applications

  • Ceyhun Karpuz,
  • Pınar Öztürk Özdemir and
  • Gülfem Balasu Fırat Unuk

In this paper, a new design method is proposed for multi-mode two-band bandpass filters based on combining a square loop resonator that has a capacitive perturbation element and short-circuited stubs. This concept is a new multi-mode two-band filter...

  • Article
  • Open Access
23 Citations
3,451 Views
23 Pages

30 November 2022

In this paper, a high-isolation multiple-input/multiple-output (MIMO) microstrip monopole antenna array is investigated. To reduce the mutual coupling between antenna elements, a novel composite parasitic element constituted by a T-shaped ground bran...

  • Article
  • Open Access
1,361 Views
21 Pages

11 July 2025

This paper describes a compact multi-port sub-6 GHz multiple-input multiple-output (MIMO) antenna system tailored for 5G NR mobile terminals operating in the n77 (3.3–4.2 GHz), n78 (3.3–3.8 GHz), and n79 (4.4–5.0 GHz) frequency band...

  • Article
  • Open Access
4 Citations
5,959 Views
9 Pages

13 December 2016

Electromagnetic metamaterials are constructed with sub-wavelength structures that exhibit particular electromagnetic properties under a certain frequency range. Because the form-factor of the substructures has to be comparable to the wavelength of th...

  • Communication
  • Open Access
2 Citations
1,936 Views
10 Pages

In this paper, a novel input impedance analysis methodology based on Babinet’s principle to broaden bandwidth is proposed, and a broadband multiple-input and multiple-output (MIMO) antenna system is designed, fabricated, and measured for fifth-...

  • Feature Paper
  • Article
  • Open Access
24 Citations
6,318 Views
14 Pages

A Compact Sub-GHz Wide Tunable Antenna Design for IoT Applications

  • Rifaqat Hussain,
  • Saad I. Alhuwaimel,
  • Abdullah M. Algarni,
  • Khaled Aljaloud and
  • Niamat Hussain

This work presents a compact meandered loop slot-line 5G antenna for Internet of Things (IoT) applications. Recently, sub-gigahertz (sub-GHz) IoT technology is widely spreading. It enables long-range communications with low power consumption. The pro...

  • Article
  • Open Access
10 Citations
2,951 Views
17 Pages

Compact Sub 6 GHz Dual Band Twelve-Element MIMO Antenna for 5G Metal-Rimmed Smartphone Applications

  • Chih-Chung Lin,
  • Shao-Hung Cheng,
  • Shu-Chuan Chen and
  • Cheng-Siang Wei

9 July 2023

In this paper, a twelve-antenna system is designed for 5G smartphones with metal frames. The system is compact and operates on dual bands within the sub-6 GHz frequency range using multiple-input multiple-output (MIMO) technology. Two sets of six-ant...

  • Communication
  • Open Access
52 Citations
4,040 Views
10 Pages

A Compact MIMO Antenna with Improved Isolation for ISM, Sub-6 GHz, and WLAN Application

  • Batchingis Bayarzaya,
  • Niamat Hussain,
  • Wahaj Abbas Awan,
  • Md. Abu Sufian,
  • Anees Abbas,
  • Domin Choi,
  • Jaemin Lee and
  • Nam Kim

20 August 2022

This paper presents a compact two-element MIMO antenna with improved isolation for triple-band applications. The antenna consists of two radiating elements with the shared ground plane and a novel decoupling structure. Each antenna element has three...

  • Article
  • Open Access
18 Citations
4,059 Views
18 Pages

Design and Analysis of Novel Reconfigurable Monopole Antenna Using Dip Switch and Covering 5G-Sub-6-GHz and C-Band Applications

  • Ali Kadhum Abd,
  • Jamal Mohammed Rasool,
  • Zain-Aldeen S. A. Rahman and
  • Yasir I. A. Al-Yasir

19 October 2022

This study presents a unique frequency-reconfigurable antenna that may be the first to use a dip switch and a bias circuit integrated on the same substrate as the antenna. Such an antenna may be used for many wireless applications, since it is small...

  • Article
  • Open Access
25 Citations
4,303 Views
17 Pages

A Pentaband Compound Reconfigurable Antenna for 5G and Multi-Standard Sub-6GHz Wireless Applications

  • Ikhlas Ahmad,
  • Wasi Ur Rehman Khan,
  • Haris Dildar,
  • Sadiq Ullah,
  • Shakir Ullah,
  • Naveed Mufti,
  • Babar Kamal,
  • Toufeeq Ahmad,
  • Adnan Ghaffar and
  • Mousa I. Hussien

17 October 2021

This work proposes a low-profile, printed antenna that offers pattern and frequency reconfiguration functionalities printed on FR-4 substrate with a size of 46 × 32 × 1.6 mm3. The proposed antenna can operate in five different frequency bands, each o...

  • Article
  • Open Access
5 Citations
1,760 Views
19 Pages

Fish-Tail Structured Fractal Monopole Printed Antenna with Dual Broadband Characteristics for Sub–6GHz 5G and X–Band Radar Applications

  • Guntamukkala Yaminisasi,
  • Pokkunuri Pardhasaradhi,
  • Nagandla Prasad,
  • Boddapati Taraka Phani Madhav,
  • Abeer D. Algarni,
  • Sudipta Das and
  • Mohammed El Ghzaoui

This article presents a printed antenna, designed with a fractal-shaped patch with fish-tail structured outer edges, a tapered feedline, and a rectangular notch-based defected partial ground structure (DPGS). The presented design has been printed on...

  • Article
  • Open Access
1,099 Views
23 Pages

12 September 2025

The increasing demand for real-time, energy-efficient, and interference-resilient communication in smart healthcare environments has intensified interest in Biomedical Internet of Things (Bio-IoT) systems. However, ensuring reliable wireless connecti...

  • Article
  • Open Access
14 Citations
4,288 Views
13 Pages

Bio-Inspired Dielectric Resonator Antenna for Wideband Sub-6 GHz Range

  • Luigi Melchiorre,
  • Ilaria Marasco,
  • Giovanni Niro,
  • Vito Basile,
  • Valeria Marrocco,
  • Antonella D’Orazio and
  • Marco Grande

10 December 2020

Through the years, inspiration from nature has taken the lead for technological development and improvement. This concept firmly applies to the design of the antennas, whose performances receive a relevant boost due to the implementation of bio-inspi...

  • Article
  • Open Access
767 Views
16 Pages

26 September 2025

This paper presents the design and implementation of an ultra-wideband MIMO antenna for sub-6 GHz 5G metal-frame smartphones. The proposed antenna array includes four pairs, each comprising a slotted patch element and an open-slot structure on the me...

  • Article
  • Open Access
10 Citations
2,570 Views
13 Pages

Dual-Band MIMO Antenna for n79 and sub-7 GHz Smartphone Applications

  • Muhammad Zahid,
  • Qammar Ali,
  • Nirman Bhowmike,
  • Devi Prasanth Bolla,
  • Sultan Shoaib and
  • Yasar Amin

The optimal design of Multiple-Input Multiple-Output (MIMO) antennas is significant for next-generation smartphone solutions with the appearance of further communication. This paper describes the design, simulation, and measurements of a ten-element...

  • Article
  • Open Access
3 Citations
3,952 Views
12 Pages

24 September 2022

This paper presents a 280 GHz amplifier design strategy for a robust multistage amplifier in a sub-Terahertz (sub-THz) regime in 130 nm SiGe technology. The presented 280 GHz amplifier consists of 14 stages of the cascaded common emitter (CE) amplifi...

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