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Remote Sensing-Based Intelligent Communication

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

Deadline for manuscript submissions: closed (31 January 2025) | Viewed by 3889

Special Issue Editors

Faculty of Information Technology, Beijing University of Technology, Beijing 100124, China
Interests: future networks; big data for networking; mobile edge computing
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Sciences and Informatics, Muroran Institute of Technology, 27-1 Mizumoto-cho, Muroran 050-8585, Hokkaido, Japan
Interests: wireless networks; cloud computing; cyberphysical systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the increasing emergence of new Internet services (e.g., metaverse, extended reality, etc.), how to achieve efficient data processing and distribution is a key issue to be solved urgently in future wireless networks. Remote sensing-based intelligent communication can be studied to meet the differentiated requirements of these delay-sensitive and computing-intensive services. Specifically, based on the remote sensing network information, a system can make intelligent decisions to boost data distribution. Meanwhile, the adoption of mobile edge computing can process data at the edge of the remote sensing system, reducing cross-network traffic and transmission delay. Therefore, network performance and resource utilization can be significantly improved by sensing-based intelligent communication. However, realizing sensing-based intelligent communication in practical communication scenarios is challenging, and there are still many important open research problems. This Special Issue seeks to explore sensing-based intelligent communication and invites novel contributions from researchers and practitioners.

This Special Issue aims to provide a forum for the latest research, innovations, and applications of remote sensing-based intelligent communication, in order to bridge the gap between theory and applications. We solicit high-quality original research papers on topics including, but not limited to:

  1. Surveys about remote sensing-based intelligent communication;
  2. Remote sensing architecture design and optimization algorithms;
  3. Deep learning-based data processing;
  4. Reinforcement learning-based data distribution;
  5. Efficient allocation of heterogeneous resources;
  6. Cooperative edge computing;
  7. Intelligent network control.

Dr. Chao Fang
Dr. Mianxiong Dong
Guest Editors

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Published Papers (2 papers)

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22 pages, 1440 KiB  
Article
Remote Radio Frequency Sensing Based on 5G New Radio Positioning Reference Signals
by Marcin Bednarz and Tomasz P. Zielinski
Sensors 2025, 25(2), 337; https://doi.org/10.3390/s25020337 - 9 Jan 2025
Cited by 1 | Viewed by 1004
Abstract
In this paper, the idea of a radar based on orthogonal frequency division multiplexing (OFDM) is applied to 5G NR Positioning Reference Signals (PRS). This study demonstrates how the estimation of the communication channel using the PRS can be applied for the identification [...] Read more.
In this paper, the idea of a radar based on orthogonal frequency division multiplexing (OFDM) is applied to 5G NR Positioning Reference Signals (PRS). This study demonstrates how the estimation of the communication channel using the PRS can be applied for the identification of objects moving near the 5G NR receiver. In this context, this refers to a 5G NR base station capable of detecting a high-speed train (HST). The anatomy of a 5G NR frame as a sequence of OFDM symbols is presented, and different PRS configurations are described. It is shown that spectral analysis of time-varying channel impulse response weights, estimated with the help of PRS pilots, can be used for the detection of transmitted signal reflections from moving vehicles and the calculation of their time and frequency/Doppler shifts. Different PRS configurations with varying time and frequency reference signal densities are tested in simulations. The peak-to-noise-floor ratio (PNFR) of the calculated radar range–velocity maps (RVM) is used for quantitative comparison of PRS-based radar scenarios. Additionally, different echo signal strengths are simulated while also checking various observation window lengths (FFT lengths). This study proves the practicality of using PRS pilots in remote sensing; however, it shows that the most dense configurations do not provide notable improvements, while also demanding considerably more resources. Full article
(This article belongs to the Special Issue Remote Sensing-Based Intelligent Communication)
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21 pages, 817 KiB  
Article
UAV-Assisted Mobile Edge Computing: Dynamic Trajectory Design and Resource Allocation
by Zhuwei Wang, Wenjing Zhao, Pengyu Hu, Xige Zhang, Lihan Liu, Chao Fang and Yanhua Sun
Sensors 2024, 24(12), 3948; https://doi.org/10.3390/s24123948 - 18 Jun 2024
Cited by 1 | Viewed by 2294
Abstract
The recent advancements of mobile edge computing (MEC) technologies and unmanned aerial vehicles (UAVs) have provided resilient and flexible computation services for ground users beyond the coverage of terrestrial service. In this paper, we focus on a UAV-assisted MEC system in which the [...] Read more.
The recent advancements of mobile edge computing (MEC) technologies and unmanned aerial vehicles (UAVs) have provided resilient and flexible computation services for ground users beyond the coverage of terrestrial service. In this paper, we focus on a UAV-assisted MEC system in which the UAV equipped with MEC servers is used to assist user devices in computing their tasks. To minimize the weighted average energy consumption and delay in the UAV-assisted MEC system, a LQR-Lagrange-based DDPG (LLDDPG) algorithm, which jointly optimizes the user task offloading and the UAV trajectory design, is proposed. To be specific, the LLDDPG algorithm consists of three subproblems. The DDPG algorithm is used to address the issue of UAV desired trajectory planning, and subsequently, the LQR-based algorithm is employed to achieve the real-time tracking control of UAV desired trajectory. Finally, the Lagrange duality method is proposed to solve the optimization problem of computational resource allocation. Simulation results indicate that the proposed LLDDPG algorithm can effectively improve the system resource management and realize the real-time UAV trajectory design. Full article
(This article belongs to the Special Issue Remote Sensing-Based Intelligent Communication)
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