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Antenna Array Design for Wireless Communications
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Antenna Array Design for Wireless Communications

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Communications".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 6799

Special Issue Editor

Dr. Choon Lee

E-Mail Website
Guest Editor
Department of Electrical Engineering, Southern Methodist University, Dallas, TX 75275 USA
Interests: various antennas; wireless power transfer; energy mining

Special Issue Information

Dear Colleagues,

Antenna array design has recently been attracting attention in the literature as it is the main element for future wireless communication systems. For example, for 5G and beyond systems, multiple-input multiple-output (MIMO) arrays require several characteristics such as being compact to be able to implement massive MIMO, high-gain arrays to enhance scanning capabilities, and broadband to enable high data rate communications. Furthermore, the design is not only focused on the array element itself but also includes the feeding network. For instance, substrate integrated waveguide (SIW), dielectric image waveguide (DIG), or rectangular waveguide (RWG) can be used to replace standard corporate-feeding networks. It can even include extra components such as metamaterial layers or dielectric lenses to enhance the performance of the array in different terms such as scanning range, mutual coupling, bandwidth, and gain.

This Special Issue is dedicated to recent advances in antenna arrays. Potential topics include, but are not limited to, the following:

  • Multiple-input multiple-output (MIMO) antenna arrays;
  • Phased array and beamforming;
  • Low-cost antenna array;
  • 5G and beyond communication systems;
  • Mm-wave and THz antenna arrays;
  • Lens antenna;
  • Antenna arrays based on metamaterial;
  • Array signal processing;
  • Multiband, broadband, ultra-wideband arrays;
  • Internet of Things (IoT) wireless communications;
  • Array optimizations;
  • Reconfigurable arrays;
  • Compact antenna arrays;
  • Antenna arrays based on metamaterial and metasurfaces;
  • Sparse arrays;
  • Wireless power transfer.

Dr. Choon Lee
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • antenna array
  • linear and planar arrays
  • MIMO antennas
  • beamforming
  • phased arrays
  • feeding network
  • high gain antennas
  • radiation patterns
  • 5G
  • wireless communications

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Published Papers (3 papers)

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Research

13 pages, 6527 KiB  
Article
A Novel Topology of a 3 × 3 Series Phased Array Antenna with Aperture-Coupled Feeding
by Guang Yang, Choon Sae Lee and Linsheng Zhang
Sensors 2024, 24(18), 6128; https://doi.org/10.3390/s24186128 - 23 Sep 2024
Viewed by 976
Abstract
This paper presents a novel 3 × 3 phased array antenna optimized for 4 GHz operation, achieving a realized gain of 13.2 dBi and enabling 30-degree beam steering with a minimal capacitance variation of 1.5 pF. The design features a series aperture-coupled feeding [...] Read more.
This paper presents a novel 3 × 3 phased array antenna optimized for 4 GHz operation, achieving a realized gain of 13.2 dBi and enabling 30-degree beam steering with a minimal capacitance variation of 1.5 pF. The design features a series aperture-coupled feeding mechanism that not only reduces the antenna’s size but also simplifies the fabrication process, making the device both cost-effective and compact. Integrating cost-efficient quadrature-hybrid phase shifters and novel power splitters with cascaded quadrature hybrids ensures uniform power distribution and precise beam steering. The innovative use of these components addresses common challenges in phased array systems, such as space constraints, high costs, and complex power distribution. Full article
(This article belongs to the Special Issue Antenna Array Design for Wireless Communications)
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13 pages, 4312 KiB  
Communication
A Compact Linear Microstrip Patch Beamformer Antenna Array for Millimeter-Wave Future Communication
by Muhammad Asfar Saeed, Emenike Raymond Obi and Augustine O. Nwajana
Sensors 2024, 24(13), 4068; https://doi.org/10.3390/s24134068 - 22 Jun 2024
Cited by 3 | Viewed by 1872
Abstract
5/6G is anticipated to address challenges such as low data speed and high latency in current cellular networks, particularly as the number of users overwhelms 4G and LTE capabilities. This paper proposes a microstrip patch antenna array comprising six radiating patches and utilizing [...] Read more.
5/6G is anticipated to address challenges such as low data speed and high latency in current cellular networks, particularly as the number of users overwhelms 4G and LTE capabilities. This paper proposes a microstrip patch antenna array comprising six radiating patches and utilizing a microstrip line feeding technique to facilitate the compact design crucial for 5G implementation. ROGER 3003, chosen for its advanced and environmentally friendly features, serves as the dielectric material, ensuring suitability for 5G and B5G applications. The designed antenna, evaluated at a resonating frequency of 28.8 GHz with a −10 dB impedance bandwidth of 1 GHz, offers a high gain of 9.19 dBi. Its compact array, cost-effectiveness, and broad impedance and radiation coverage position it as a viable candidate for 5G and future communication applications. Full article
(This article belongs to the Special Issue Antenna Array Design for Wireless Communications)
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16 pages, 18737 KiB  
Article
A 5G NR FR2 Beamforming System with Integrated Transceiver Module
by Ayush Bhatta, Md Kamrojjaman, Sanghoon Sim and Jeong-Geun Kim
Sensors 2024, 24(6), 1983; https://doi.org/10.3390/s24061983 - 20 Mar 2024
Viewed by 2972
Abstract
This paper presents a 5G new radio (NR) FR2 beamforming system with an integrated transceiver module. A real-time operating module providing enhanced flexibility and capability has been proposed. The integrated RF beamforming system with an integrated transceiver module can be operated in 8Tx-8Rx [...] Read more.
This paper presents a 5G new radio (NR) FR2 beamforming system with an integrated transceiver module. A real-time operating module providing enhanced flexibility and capability has been proposed. The integrated RF beamforming system with an integrated transceiver module can be operated in 8Tx-8Rx mode configuration simultaneously. A series-fed structure 8 × 7 microstrip antenna array for compact size and improved directivity is employed in the RF beamforming module. The RF beamforming module incorporates a custom 28 GHz, eight-channel fully differential beamforming IC (BFIC). An eight-channel BFIC in a phased-array beamforming system offers advantages in terms of increased antenna density and improved beam steering precision. The RF beamforming module is integrated with an RF transceiver module that enables the simultaneous up-conversion and down-conversion of the baseband signal. The RF transmitter module consists of a transmitter, a receiver, a signal generator, a power supply, and a control unit. The RF beamforming system can scan horizontally from −50° to +50° with a step of 10°. To achieve an optimized beam pattern, a calibration was conducted. The transmit and receive conversion gain of around 20 dB is achieved with the transceiver module. To verify the communication performance of the manufactured integrated RF beamforming system, a real-time wireless video transmission/reception test was performed at a frequency of 28 GHz, and the video file was transmitted smoothly in real time without interruption within a range of ±50°. Full article
(This article belongs to the Special Issue Antenna Array Design for Wireless Communications)
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