Recent Advances in Next-Generation Wireless Communications and Networks

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 3034

Special Issue Editors


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Guest Editor
Department of Electrical and Information Engineering, Seoul National University of Science & Technology, Seoul 01811, Republic of Korea
Interests: wireless communications and networking; radio resource management; mobile computing

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Guest Editor
Department of Information Science, Aichi Institute of Technology, Yachigusa-1247 Yakusacho, Toyota, Aichi 470-0356, Japan
Interests: wireless communication technology; sensor network systems; vehicular communication systems; Internet of Things (IoT) systems; overlay networks; network protocols and architectures

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Guest Editor
Department of Software, Kwangwoon University, Seoul 01897, Korea
Interests: vehicular networks; autonomous driving; machine learning; wireless communications; backscattered communications; mobile computing; radar signal processing

Special Issue Information

Dear Colleagues,

Wireless communications and networking are expected to continue their development over future generations due to the continuing explosive growth of mobile applications in terms of traffic amount and heterogeneity, with new user services including virtual reality (VR), augmented reality (AR), holographic telepresence, industry 4.0, and robotics that require massive user connectivity, support of heterogeneous data traffic, extremely high bandwidth efficiency, and ultralow latency. In order to fully support the aforementioned services and applications, next-generation wireless communications and networking have to be equipped with novel system designs and schemes throughout layers and components in the most effective manner possible. Moreover, recent advances in machine learning enable novel approaches to tackle challenges in next-generation wireless communications and networking, making it more efficient with lower operational expenses. However, fully satisfying its stringent requirements in practical communication scenarios is challenging, and there are still many important open research problems. This Special Issue seeks to explore system designs and schemes for next-generation wireless communications and networking and invites novel contributions from researchers and practitioners.

Prof. Dr. Ji-Hoon Yun
Prof. Dr. Katsuhiro Naito
Prof. Dr. Jae-Han Lim
Guest Editors

Manuscript Submission Information

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Keywords

  • Next generation multiple access
  • Next generation multiple-input multiple-output schemes
  • Resource allocation and mobility management
  • Ultra-reliable low-latency communication
  • Massive connectivity schemes for future IoT
  • Machine learning aided communications and networking
  • Next-generation communications and networking in unlicensed spectrums
  • Terahertz and millimeter-wave communications
  • Next-generation vehicular communication
  • Space/air/ground communications and networking
  • Next-generation low-power communications and networking
  • Heterogeneous coexistence in next generation communications and networking

Published Papers (1 paper)

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Research

10 pages, 3142 KiB  
Article
An All-Textile Dual-Band Antenna for BLE and LoRa Wireless Communications
by Nur Fatihah Ibrahim, Philip Ayiku Dzabletey, Hyoungsoo Kim and Jae-Young Chung
Electronics 2021, 10(23), 2967; https://doi.org/10.3390/electronics10232967 - 29 Nov 2021
Cited by 5 | Viewed by 2205
Abstract
In this paper, a dual-band conductive textile-based wearable antenna operating at LoRa-868 MHz and BLE-2.4 GHz is presented. The proposed antenna is intended for accurate geolocation, tracking and communication applications in the military, industrial and telemedicine industries. The low-profile patch antenna is suitable [...] Read more.
In this paper, a dual-band conductive textile-based wearable antenna operating at LoRa-868 MHz and BLE-2.4 GHz is presented. The proposed antenna is intended for accurate geolocation, tracking and communication applications in the military, industrial and telemedicine industries. The low-profile patch antenna is suitable for integrating into clothing. It is composed of three textile layers: top and bottom silver-ink-printed polystyrene fabrics, and a neoprene substrate. To utilize the flexible and restorable properties of these textile materials, the proposed antenna is directly fed by a flexible cable using an aperture-coupled feeding technique. This method not only eliminates the use of the conventional, bulky, and metallic SMA connector but also introduces a secondary resonance at 2.4 GHz, enabling the dual-band property. Using a thin coaxial cable fixed on the aperture slot for proximity coupling, a compact antenna size of 150 mm2 is obtained that can easily be attached and detached on existing cloths. The proposed structure has been fabricated and measured in an anechoic chamber to verify the performance. Measured gain of 3.28 dBi and 3.25 dBi was realized for LoRa and BLE at an antenna size of 0.61 λg × 0.61 λg × 0.012 λg (where λg is guided wavelength at 868 MHz) with a front-to-back ratio (FBR) of greater than 10 dBi. Full article
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