AoI-Guaranteed UAV Crowdsensing: A UGV-assisted deep reinforcement learning approach

IF 4.4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS
Shoulan Chen, Kaimin Wei, Tingrui Pei, Saiqin Long
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引用次数: 0

Abstract

Unmanned Aerial Vehicles (UAVs), with their excellent environmental adaptability and flexible maneuverability, are increasingly being deployed in smart city applications for data collection. The Age of Information (AoI) is essential in these applications. Prior research on AoI has predominantly focused on static task scenarios, often overlooking the dynamics of task arrivals. For this reason, we propose an unmanned ground vehicle (UGV)-assisted deep reinforcement learning approach (U-DRL), which employs key factors affecting AoI to mitigate the AoI of data in dynamic task scenarios. We use EfficientNet, a state-of-the-art neural network architecture, to effectively extract features from dynamic task arrival scenarios. Based on these features, we utilize an intrinsic reward module (IRM) to swiftly process the input encapsulating global information, optimizing flight paths and enabling the exploration of expanded areas by UAVs. In addition, we leverage the active mobility of UGVs to recharge UAVs timely, thereby maximizing the flight time of UAVs. Through an extensive series of experiments, we validate the effectiveness of U-DRL. The experimental results demonstrate that U-DRL outperforms comparative algorithms in key performance metrics, significantly reducing the AoI of data, with breakthroughs of 54.14% and 67.90% in two real-world maps.
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来源期刊
Ad Hoc Networks
Ad Hoc Networks 工程技术-电信学
CiteScore
10.20
自引率
4.20%
发文量
131
审稿时长
4.8 months
期刊介绍: The Ad Hoc Networks is an international and archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in ad hoc and sensor networking areas. The Ad Hoc Networks considers original, high quality and unpublished contributions addressing all aspects of ad hoc and sensor networks. Specific areas of interest include, but are not limited to: Mobile and Wireless Ad Hoc Networks Sensor Networks Wireless Local and Personal Area Networks Home Networks Ad Hoc Networks of Autonomous Intelligent Systems Novel Architectures for Ad Hoc and Sensor Networks Self-organizing Network Architectures and Protocols Transport Layer Protocols Routing protocols (unicast, multicast, geocast, etc.) Media Access Control Techniques Error Control Schemes Power-Aware, Low-Power and Energy-Efficient Designs Synchronization and Scheduling Issues Mobility Management Mobility-Tolerant Communication Protocols Location Tracking and Location-based Services Resource and Information Management Security and Fault-Tolerance Issues Hardware and Software Platforms, Systems, and Testbeds Experimental and Prototype Results Quality-of-Service Issues Cross-Layer Interactions Scalability Issues Performance Analysis and Simulation of Protocols.
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