Long-Range UHF RFID Tag for Automotive License Plate

Abstract

In this paper, various locations of an Ultra High Frequency (UHF) Radio Frequency Identification (RFID) tag on automotive license plates have been considered based on the radiation pattern of the tag antenna. A small, 130 × 50 mm, passive loop antenna type UHF RFID tag for an automotive license plate was simulated with an EM simulation CST program. It was designed to have a larger back-lobe radiation pattern since the front side of the tag faces the back side of the plate holder to protect the tag antenna from bugs and dust when the automobile runs. The tag was attached to the side of a license plate holder with a dimension of 520 × 110 mm, the typical size of the standard license plate. The reflection coefficient of the tag antenna is −21 dB at 920 MHz, and the gain of the tag antenna is 6.29 dBi at the back-lobe. The reading range of the tag antenna with the plate holder, which was measured in an open field, is about 10.3 m, and the reading range of the tag installed on the bumper from the front of the vehicle is 9.4 m. The tag antenna is small enough to apply to a real automobile, and it is applicable because it uses the back-lobe pattern, so it does not require an extra device for protection from damage.

A new RFID Middleware architecture based on a hybrid security technique using data encryption and RBAC for modern real-time tracking applications

“…One of the problems raised in the literature is the hardware support in heterogeneous physical RFID infrastructures, which is why mechanisms and protocols (such as LLRP.) need to be implemented and integrated in middleware architectures in order to guarantee a better hardware abstraction Real-time RFID analysis Collecting, processing, exploiting, visualising, extracting information from big RFID data in real time to make decisions, is detected among the challenges of RFID applications Chung and Berhe, (2021). And from the literature review it was found that none of the existing architectures address this aspect.…”

“…Among the most widely adopted evaluation methods for middleware is the use of application examples to quantitatively evaluate the performance of the system based on the number of lines of code (Haibi et al, 2018), but this method has certain limitations (Chung and Berhe, 2021). The most efficient method is to evaluate the middleware according to certain required functionalities.…”

A Flexible and Low-Cost UHF RFID Tag Antenna for Blood Bag Traceability

“…This technology is becoming more and more popular in everyday life. It has been extensively used in many practical applications in Internet of Things (IoT) and has become essential for a set of applications including identification, localization, tracking, sensing, inventory control, and supply chain management [1][2][3][4][5][6][7].…”

Synthesis of Antennas for Active Glazing Unit with Photovoltaic Modules

“…The effectiveness of such a system depends primarily on the correct design of the transponder antenna. The subject of RFID antenna synthesis has been discussed frequently in the research literature; consideration of the design of an effective electronic tag is not new [2][3][4][5][6]. Unfortunately, there are no universal 'off-the-shelf' devices that could be used directly in non-standard utility applications.…”

“…Unfortunately, there are no universal 'off-the-shelf' devices that could be used directly in non-standard utility applications. That is why many designs dedicated to specific applications (e.g., automotive [4] or pharmacy [5]), or that can work in a specific environment (e.g., near metals [2,3,6]), have been developed. In practical applications, in terms of engineering tasks, such designs are possible because the structure and operation of the specified object is precisely known, so the input parameters for numerical models of RFID antennas can be readily defined.…”