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Electronics
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Circuits and Waveform Design for Millimeter Wave or Terahertz Communication...
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Circuits and Waveform Design for Millimeter Wave or Terahertz Communication and Sensing Systems

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

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 2414

Special Issue Editors

Dr. Jianguo Li

E-Mail Website
Guest Editor
School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing 100081, China
Interests: satellite communications; millimeter wave communications
Special Issues, Collections and Topics in MDPI journals
Dr. Sining An

E-Mail Website
Guest Editor
Department of Microtechnology and Nanoscience, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
Interests: millimeter wave communications; millimeter wave radar
Dr. Neng Ye

E-Mail Website
Guest Editor
School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing 100081, China
Interests: mobile communication; satellite communications; non-orthogonal technologies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Sixth-generation mobile networks (6G) are based on the ground cellular network and cooperate with satellite communication, drone communication, and ocean communication to form an integrated air–space–earth–sea network, providing full coverage, high-speed, high security and multifunctional communication solutions. High-frequency wireless communication represented by millimeter wave communication and terahertz communication has a wide available frequency spectrum and high transmission rate, making it a potential broadband wireless access technology in the sixth-generation mobile communication system.

To achieve a higher transmission rate (Tbps), lower transmission delay (millisecond), higher sensing performance, high frequency wireless transmission faces many challenges due to its short wavelength, high path loss, and weak components. This Special Issue aims to address issues that are involved in the circuit and waveform design for millimeter wave or terahertz communication and sensing systems. This includes:

  • Millimeter wave or terahertz communication;
  • Millimeter wave radar;
  • Circuit design;
  • Waveform design;
  • MIMO;
  • Satellite communication;
  • Sixth-generation mobile networks.

Dr. Jianguo Li
Dr. Sining An
Dr. Neng Ye
Guest Editors

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. Electronics 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 2400 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

  • Millimeter wave or terahertz communication;
  • Millimeter wave radar;
  • Circuit design;
  • Waveform design;
  • MIMO;
  • Satellite communication;
  • Sixth-generation mobile networks.

Published Papers (2 papers)

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Research

17 pages, 3188 KiB  
Article
Low-Complexity Online Calibration for Large-Scale Multi-Beam Antennas
by Yujie Lin, Chunyuan Hu, Zhengyuan Shi, Bizheng Liang and Jianguo Li
Electronics 2023, 12(7), 1690; https://doi.org/10.3390/electronics12071690 - 3 Apr 2023
Viewed by 939
Abstract
High-throughput satellite communication based on large-scale multi-beam antennas is a promising technology for sixth-generation (6G) mobile networks. Conventional online calibration methods for large-scale antennas after satellite launch are restricted by communication signals. This paper proposes an online calibration method of amplitude and phase [...] Read more.
High-throughput satellite communication based on large-scale multi-beam antennas is a promising technology for sixth-generation (6G) mobile networks. Conventional online calibration methods for large-scale antennas after satellite launch are restricted by communication signals. This paper proposes an online calibration method of amplitude and phase errors without disturbing the normal communication traffic. Two important aspects of calibration are discussed, i.e., closed-form expressions of calibration accuracy and hardware complexity. Simulation results show that theoretical approximation results are close to simulation results when the number of antennas is less than half of the code length. The relative amplitude and phase performance deteriorate by 6.12 dB and 40.96 deg, respectively, when the power is lower than the reference 20 dB. Finally, a calibration experimental system with eight beams is built for verification. Full article
(This article belongs to the Special Issue Circuits and Waveform Design for Millimeter Wave or Terahertz Communication and Sensing Systems)
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10 pages, 1610 KiB  
Communication
Sparse Multiuser Receiver Design in Large Scale Array System
by Xuhui Ding, Jiawen Chen, Dekang Liu, Bizheng Liang and Xiangyuan Bu
Electronics 2023, 12(4), 996; https://doi.org/10.3390/electronics12040996 - 16 Feb 2023
Viewed by 1037
Abstract
This paper focuses on the problem of utilizing millimeter wave (mmWave) and Terahertz (THz) massive hybrid arrays to serve multiple users simultaneously. The mmWave and THz massive arrays are characterized by wide bandwidth and high gain, leading to extensive application prospects. Moreover, a [...] Read more.
This paper focuses on the problem of utilizing millimeter wave (mmWave) and Terahertz (THz) massive hybrid arrays to serve multiple users simultaneously. The mmWave and THz massive arrays are characterized by wide bandwidth and high gain, leading to extensive application prospects. Moreover, a hybrid structure array can combine multiple antenna signals through the phase shifter network. Compared with the full digital array, it is a cost-effective technique that can be functional with fewer radio frequency (RF) chains. However, owing to the adoption of a discrete Fourier transform (DFT) structure, most traditional massive hybrid arrays, which allocate one chain to each user, are restricted to scenarios where the number of RF chains is more than that of users. Otherwise, even users with ideal channel conditions and short distances are inherently difficult to assign an independent chain. Thus, it will limit the scale of users that the base station (BS) can support. Inspired by the above analysis, this paper develops a method to provide service for more users with limited RF chains. Firstly, an analog matrix designing method based on the minimax criterion, which enables arrays access to multiple users, is proposed to guarantee each user a good array gain. Secondly, we establish a receiver designing scheme by the GAMP algorithm to receive signals from multiple users at the same time. Additionally, good bit error rate (BER) performance can be obtained under the condition that the observation matrix is not of full rank. Finally, numerical simulations demonstrate the effectiveness of our proposed method. Full article
(This article belongs to the Special Issue Circuits and Waveform Design for Millimeter Wave or Terahertz Communication and Sensing Systems)
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