Abstract
Textile radio-frequency identification operating in ultra-high frequency (UHF-RFID) sensors based on different scenarios are becoming attractive with the forthcoming internet of things (IoT) era and aging society. Compared with conventional UHF-RFID sensors, textile UHF-RFID sensors offer the common textile features, light weight, washability and comfort. Due to the short time and low level of development, researches on the integration of textile UHF-RFID techniques and textile sensing techniques are not flourishing. This paper is motivated by this situation to identify the current research status. In this paper, we provide a systematic review of the fundamentals of textile UHF-RFID sensors techniques, materials, the brief history and the state-of-the-art of the scenario-based development through detailed summary and analysis on the achievements from the starting year of 2004 to the present time. Moreover, according to the analysis, we give a proposal of the future prospects in several aspects, including the new materials and manufacturing processes, machine learning technology, scenario-based applications and unavoidable reliability.
Highlights
Textile radio-frequency identification operating in ultra-high frequency (UHF-RFID) sensors have been getting more attention since the development of the health-caring field and the calling of the internet of things (IOT) applications because of textiles widely used for everyone and the mature embroidery techniques [1,2]
The inclusion criteria mainly took into account 5 approaches: (1) The studies that focused on textile UHF-RFID with textile sensing techniques or related reliability researches; (2) the studies that used textile UHF-RFID sensors for certain scenario-based applications; (3) the studies that explored the impact factors on performance for feasibility and reliability of textile UHF-RFID sensors; (4) the papers that are written in English; (5) the selected papers are published in a peer-reviewed journal or presented in a scientific conference
This work proved the feasibility of double modes for the design of textile UHF-RFID strain sensors and it is worth considering in future research, but certainly, some important validation measurements such as bending, environment impacts and washing for the performance and reliability need to be considered
Summary
Textile radio-frequency identification operating in ultra-high frequency (UHF-RFID) sensors have been getting more attention since the development of the health-caring field and the calling of the internet of things (IOT) applications because of textiles widely used for everyone and the mature embroidery techniques [1,2]. Efforts from textile UHF-RFID techniques were focused on feasibility, reliability and fundamental functions of tags, mainly including identification and tracking for garments in the fabrication process [4]. Exploring methods for performance improving, application diversification and high reliability is an adjoin research proposition, which lead most aspects of techniques to upgrade and even fuse. For these goals, many kinds of tentative studies have been done, such as the metal-pasted thread as the important conductive medium, the graphene-based conductive medium [12,13], and special synthetic textile materials as substrates.
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