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MM-Wave and MIMO Communication System

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

Deadline for manuscript submissions: closed (10 May 2023) | Viewed by 1745

Special Issue Editor


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Guest Editor
School of Computer Science, Beijing University of Posts and Telecommunications, Beijing, China
Interests: precoding; millimeter waves; antenna

Special Issue Information

Dear Colleagues,

Millimeter-wave (mmWave) networking is becoming a core technology to drive the emerging wireless evolution. Standardization of 5G New Radio and 802.11ad/ay, along with maturity of mmWave hardware, is accelerating the technology penetration into the huge consumer space. Owing to abundant frequency resource and highly directional MIMO communication paradigm, mmWave networks promise a bitrate up to dozens of Gbps, which is spurring a series of new mobile applications including untethered virtual reality (VR), 8K UHD display mirroring, instantaneous file synchronization, etc. On the other hand, the mmWave radios also open new opportunities for fine-grained sensing, like object detection and tracking, environment mapping, which not only help to understand the surrounding world, but also boost networking performance.

This special issue seeks new ideas to address the challenges of mmWave and MIMO communication and sensing systems, and puts together original research and review articles on recent advances in the field. Potential topics include but are not limited to:

  • Performance analysis and optimization
  • Signal processing for effective communication
  • Waveform-design, beam-forming and beam-tracking algorithms for mmWave systems
  • interference management and resource allocation of directional mmWave networks
  • Scalable mmWave system serving large number of devices
  • Human sensing via mmWave radios
  • Environment mapping via mmWave radio
  • mmWave communication or sensing on emerging mobile platform, like drones, cars, and robots
  • Measurement studies and deployment experiences of mmWave networking/sensing systems
  • integration of mmWave sensing and communication

Prof. Dr. Anfu Zhou
Guest Editor

Manuscript Submission Information

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Keywords

  • mmWave communication
  • mmWave sensing
  • beam management
  • system design performance analysis and optimization

Published Papers (1 paper)

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Research

17 pages, 1716 KiB  
Article
CORDIC-Based General Multiple Fading Generator for Wireless Channel Digital Twin
by Chen Fang, Kai Mao, Sheng Fang, Zikun Zhao, Boyu Hua, Tao Liu and Qiuming Zhu
Sensors 2023, 23(5), 2712; https://doi.org/10.3390/s23052712 - 1 Mar 2023
Cited by 1 | Viewed by 1459
Abstract
A wireless channel digital twin is a useful tool to evaluate the performance of a communication system at the physical or link level by generating the physical channel controllably. In this paper, a stochastic general fading channel model is proposed, which considered most [...] Read more.
A wireless channel digital twin is a useful tool to evaluate the performance of a communication system at the physical or link level by generating the physical channel controllably. In this paper, a stochastic general fading channel model is proposed, which considered most of the channel fading types for various communication scenarios. By using the sum-of-frequency-modulation (SoFM) method, the phase discontinuity of the generated channel fading was well addressed. On this basis, a general and flexible generation architecture for channel fading was developed on a field programmable gate array (FPGA) platform. In this architecture, improved CORDIC-based hardware circuits for the trigonometric function, exponential function, and natural logarithm were designed and implemented, which improved the real-time performance of the system and the utilization rate of the hardware resources compared with the traditional LUT and CORDIC method. For a 16-bit fixed-point data bit width single-channel emulation, the hardware resource consumption was significantly reduced from 36.56% to 15.62% for the overall system by utilizing the compact time-division (TD) structure. Moreover, the classical CORDIC method brought an extra latency of 16 system clock cycles, while the latency caused by the improved CORDIC method was decreased by 62.5%. Finally, a generation scheme of a correlated Gaussian sequence was developed to introduce a controllable arbitrary space–time correlation for the channel generator with multiple channels. The output results of the developed generator were consistent with the theoretical results, which verified the correctness of both the generation method and hardware implementation. The proposed channel fading generator can be applied for the emulation of large-scale multiple-input, multiple-output (MIMO) channels under various dynamic communication scenarios. Full article
(This article belongs to the Special Issue MM-Wave and MIMO Communication System)
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