V. Gikas, C. Antoniou, G. Retscher, A. Panagopoulos, A. Kealy, H. Perakis, T. Mpimis
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引用次数: 12
摘要
摘要:提出了一种相对低成本的室内停车场设施管理系统,该系统是RFID/WiFi和MEMS IMU监控方案的结合解决方案。提出了一种基于虚拟门的RFID定位模块。为了定义这样的虚拟门,RFID标签或读取器被放置在整个感兴趣区域的已知位置。在本研究中,许多标签固定在已知位置,每个参与车辆携带一个移动的读取器。基于这种配置设置,应用了Cell of Origin (CoO)技术,其中系统指示在标签位置周围的Cell中携带读取器的用户的存在。为了定义虚拟大门,在停车场走廊和停车设施的关键交通通道上安装了标签。本文还提出了基于WiFi的多层停车场车辆定位的CoO技术。在本研究中,WiFi被用来监控过往车辆,并弥补差距,直到一个标签可以再次检测到用户的阅读器。从而实现RFID与WiFi的结合定位解决方案。作为所提出的RFID/WiFi系统的补充,本研究考察了现代智能手机中常见的MEMS IMU传感器(即加速度计,陀螺仪和气压计)的潜力和局限性。本文最后详细讨论了室内停车场管理的替代定位技术的含义。
A low-cost wireless sensors positioning solution for indoor parking facilities management
Abstract A relatively low-cost system for indoor parking facilities management is proposed, which is a combined solution of RFID/WiFi and a MEMS IMU monitoring scheme. An RFID localisation module is proposed in the form of so-called virtual gates. To define such virtual gates, either RFID tags or readers are placed at known locations throughout the area of interest. In this study, a number of tags are fixed at known positions and a moving reader is carried by each participating vehicle. Based on this configuration set-up, the Cell of Origin (CoO) technique is applied, in which the system indicates the presence of the user carrying the reader in a cell around the tag location. To define a virtual gate, tags are installed along the parking lot corridors and at critical transit passages in the parking facility. The CoO technique is also proposed in the case of WiFi for location determination of vehicles in a multi-storey car park. In this study, WiFi is employed to monitor the passing vehicles and bridge the gap until a tag can detect a user’s reader again. Thus, a combined positioning solution of RFID and WiFi is achieved. As a complement to the proposed RFID/WiFi system, this study examines the potential and limitations of MEMS IMU sensors (i.e. accelerometers, gyroscopes and barometers) commonly found in modern smartphones. The paper concludes with a detailed discussion on the implications of alternative positioning techniques for indoor parking management.
期刊介绍:
The aim of this interdisciplinary and international journal is to provide a forum for the exchange of original ideas, techniques, designs and experiences in the rapidly growing field of location based services on networked mobile devices. It is intended to interest those who design, implement and deliver location based services in a wide range of contexts. Published research will span the field from location based computing and next-generation interfaces through telecom location architectures to business models and the social implications of this technology. The diversity of content echoes the extended nature of the chain of players required to make location based services a reality.