Advancing RFID Technology for Virtual Boundary Detection

IF 7.7 2区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS
Xiaoyu Li;Jia Liu;Zihao Lin;Xuan Liu;Yanyan Wang;Shigeng Zhang;Baoliu Ye
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引用次数: 0

Abstract

A boundary is a physical or virtual line that marks the edge or limit of a specific region, which has been widely used in many applications, such as autonomous driving, virtual wall, and robotic lawn mowers. However, none of existing work can well balance the deployability and the scalability of a boundary. In this paper, we propose a brand new RFID-based virtual boundary scheme together with its detection algorithm called RF-Boundary, which has the competitive advantages of being battery-free and easy-to-maintain. We develop two technologies of phase gradient and dual-antenna AoA to address the key challenges posed by RF-boundary, in terms of lack of calibration information and multi-edge interference. Besides, we consider the presence of multipath in the real world applications, model the effect on signals in the dynamic scenarios, and demonstrate the robustness of our phase gradient-based scheme under multipath. We implement a prototype of RF-Boundary with commercial RFID systems and a mobile robot. Extensive experiments verify the feasibility as well as the good performance of RF-Boundary, with a mean detection error of only 8.6 cm.
推进RFID虚拟边界检测技术
边界是标记特定区域边缘或限制的物理或虚拟线,在自动驾驶,虚拟墙和机器人割草机等许多应用中得到广泛应用。然而,现有的工作都不能很好地平衡边界的可部署性和可伸缩性。本文提出了一种全新的基于rfid的虚拟边界方案及其检测算法,该方案具有免电池和易于维护的竞争优势。我们开发了相位梯度和双天线AoA两种技术来解决射频边界带来的校准信息缺乏和多边缘干扰的关键挑战。此外,我们考虑了实际应用中多径的存在,模拟了动态场景中对信号的影响,并证明了基于相位梯度的方案在多径下的鲁棒性。我们用商用RFID系统和移动机器人实现了一个射频边界的原型。大量的实验验证了该方法的可行性和良好的性能,平均检测误差仅为8.6 cm。
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来源期刊
IEEE Transactions on Mobile Computing
IEEE Transactions on Mobile Computing 工程技术-电信学
CiteScore
12.90
自引率
2.50%
发文量
403
审稿时长
6.6 months
期刊介绍: IEEE Transactions on Mobile Computing addresses key technical issues related to various aspects of mobile computing. This includes (a) architectures, (b) support services, (c) algorithm/protocol design and analysis, (d) mobile environments, (e) mobile communication systems, (f) applications, and (g) emerging technologies. Topics of interest span a wide range, covering aspects like mobile networks and hosts, mobility management, multimedia, operating system support, power management, online and mobile environments, security, scalability, reliability, and emerging technologies such as wearable computers, body area networks, and wireless sensor networks. The journal serves as a comprehensive platform for advancements in mobile computing research.
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