URNFresh: Age-of-infomation-based 60 GHz UAV relay networks for video surveillance in linear environments

IF 4.4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS
Wenjia Wu , Hui Lv , Shengyu Sun
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引用次数: 0

Abstract

In recent years, video surveillance has been widely deployed and utilized, with linear deployment environments such as roads and rivers being very common. With the rapid development and widespread application of 60 GHz communication and unmanned aerial vehicle (UAV) technologies, 60 GHz UAV relay networks have become an ideal solution for high-rate data collection in video surveillance. In this network scenario, the collaborative scheduling of multiple UAVs has become a key issue. However, the existing scheduling schemes are usually designed for two-dimensional or three-dimensional scenarios, lacking relevant considerations and designs for the characteristics of one-dimensional linear scenarios. In addition, these methods rarely consider ensuring data freshness and the age-of-information (AoI) metric to meet the needs of latency-sensitive applications. To this end, we consider the 60 GHz UAV relay network for video surveillance, and investigate the AoI-based multi-UAV collaborative scheduling mechanism in linear environments. Firstly, We formulate the energy-storage-limited and AoI-guaranteed Multi-UAV scheduling problem, which aims to minimize the average cumulative AoI, while considering the constraints of their energy and data storage capacity. Then, we propose the hierarchical reinforcement learning-based multi-UAV collaborative scheduling mechanism called URNFresh, and design corresponding strategies for option selection and fine-grained action selection in aspects such as flight control, data collection, data offloading, and battery replacement. Finally, we conduct simulation experiments to evaluate the performance of URNFresh mechanism. Experimental results demonstrate that the proposed solution outperforms traditional reinforcement learning approaches, and achieves a significant improvement in average cumulative AoI.
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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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