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Challenges and Future Trends in Antenna Technologies for Communications and Sensing

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

Deadline for manuscript submissions: 31 January 2026 | Viewed by 504

Special Issue Editor


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Guest Editor
College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: communications and electronic systems; noise measurement and modeling; antenna analysis and design; electromagnetic compatibility and electromagnetic interference; ultra-wideband technology; radio wave propagation; computational electromagnetics
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Special Issue Information

Dear Colleagues,

Antennas are crucial components of any wireless communication and sensing system as the transducers coupling between signals on an electronic device and an electromagnetic wave in free space. In addition, antenna technologies have been widely used for various communications and sensing applications. The purpose of this Special Issue is to present the challenges and future trends in antenna technologies for communications and sensing.

To further promote the development of this area, we invite researchers to contribute with original research manuscripts, as well as review articles, focused on recent advances in the design and performance analysis of antennas used in communications and sensing. Future research directions and open problems are also suggested.

Topics of interest include, but are not limited to, the following:

  • Antenna for wideband communication and sensing;
  • New 5G/6G antennas;
  • Antenna technologies for wireless sensor networks and IoT;
  • Wide scanning antenna arrays;
  • Antenna measurements;
  • Sensor antennas.

Prof. Dr. Qingsheng Zeng
Guest Editor

Manuscript Submission Information

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Keywords

  • antenna measurements
  • antenna sensor
  • wireless communication
  • broadband antennas
  • communication and sensing

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Published Papers (1 paper)

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Research

14 pages, 2652 KiB  
Article
Optimized Multi-Antenna MRC for 16-QAM Transmission in a Photonics-Aided Millimeter-Wave System
by Rahim Uddin, Weiping Li and Jianjun Yu
Sensors 2025, 25(16), 5010; https://doi.org/10.3390/s25165010 - 13 Aug 2025
Viewed by 117
Abstract
This work presents an 80 Gbps photonics-aided millimeter-wave (mm Wave) wireless communication system employing 16-Quadrature Amplitude Modulation (16-QAM) and a 1 × 2 single-input multiple-output (SIMO) architecture with maximum ratio combining (MRC) to achieve robust 87.5 GHz transmission over 4.6 km. By utilizing [...] Read more.
This work presents an 80 Gbps photonics-aided millimeter-wave (mm Wave) wireless communication system employing 16-Quadrature Amplitude Modulation (16-QAM) and a 1 × 2 single-input multiple-output (SIMO) architecture with maximum ratio combining (MRC) to achieve robust 87.5 GHz transmission over 4.6 km. By utilizing polarization-diverse optical heterodyne generation and spatial diversity reception, the system enhances spectral efficiency while addressing the low signal-to-noise ratio (SNR) and channel distortions inherent in long-haul links. A blind equalization scheme combining the constant modulus algorithm (CMA) and decision-directed least mean squares (DD-LMS) filtering enables rapid convergence and suppresses residual inter-symbol interference, effectively mitigating polarization drift and phase noise. The experimental results demonstrate an SNR gain of approximately 3 dB and a significant bit error rate (BER) reduction with MRC compared to single-antenna reception, along with improved SNR performance in multi-antenna configurations. The synergy of photonic mm Wave generation, adaptive spatial diversity, and pilot-free digital signal processing (DSP) establishes a robust framework for high-capacity wireless fronthaul, overcoming atmospheric attenuation and dynamic impairments. This approach highlights the viability of 16-QAM in next-generation ultra-high-speed networks (6G/7G), balancing high data rates with resilient performance under channel degradation. Full article
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