Glove-Integrated Textile Antenna with Reduced SAR for Wearable UHF RFID Reader

Ahmed, Shahbaz; Mehmood, Adnan; Sydänheimo, Lauri; Ukkonen, Leena; Björninen, Toni

doi:10.1109/rfid-ta.2019.8892251

Cited by 9 publications

(5 citation statements)

References 18 publications

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“…The design showed a directional radiation with a gain of 14.8 dBi along the boresight. Researchers in [ 336 ] designed a slotted antenna in a glove for UHF RFID, with a realized gain of −1.3 dBi at 866 MHz. In [ 215 ], a novel spiral antenna was designed on conductive threads at 0.3–3 GHz.…”

Section: Applications Of Wearable Antennasmentioning

confidence: 99%

Recent Advances of Wearable Antennas in Materials, Fabrication Methods, Designs, and Their Applications: State-of-the-Art

et al. 2020

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The demand for wearable technologies has grown tremendously in recent years. Wearable antennas are used for various applications, in many cases within the context of wireless body area networks (WBAN). In WBAN, the presence of the human body poses a significant challenge to the wearable antennas. Specifically, such requirements are required to be considered on a priority basis in the wearable antennas, such as structural deformation, precision, and accuracy in fabrication methods and their size. Various researchers are active in this field and, accordingly, some significant progress has been achieved recently. This article attempts to critically review the wearable antennas especially in light of new materials and fabrication methods, and novel designs, such as miniaturized button antennas and miniaturized single and multi-band antennas, and their unique smart applications in WBAN. Finally, the conclusion has been drawn with respect to some future directions.

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Section: Applications Of Wearable Antennasmentioning

confidence: 99%

Recent Advances of Wearable Antennas in Materials, Fabrication Methods, Designs, and Their Applications: State-of-the-Art

et al. 2020

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“…The major prerequisite when designing RFIDtex devices is to elaborate textile antennas in a way that is invisible to users or that fulfill high aesthetic requirements. This forces to change the idea of traditional RFID systems, in which a tag is attached to an object in an additional logistic process, towards the concept of a transponder integrated straight into the textile product on the production lines [ 4 , 5 ]. Moreover, since identification, monitoring and sensing applications based on the wearable wireless nodes are increasingly used in the health and welfare centers, hotel and catering sectors, trade, and service of textiles as well as laundry industry [ 6 , 7 ], the need to create new structures of transponders arises.…”

Section: Introductionmentioning

confidence: 99%

“…This forces to change the idea of traditional RFID systems, in which a tag is attached to an object in an additional logistic process, towards the concept of a transponder integrated straight into the textile product on the production lines [4,5]. Moreover, since identification, monitoring and sensing applications based on the wearable wireless nodes are increasingly used in the health and welfare centers, hotel and catering sectors, trade, and service of textiles as well as laundry industry [6,7], the need to create new structures of transponders arises. The possibility of using the RFIDtex allows designers to meet requirements of these applications and on the other hand forces the progress in manufacturing low-cost antennas integrated into fabrics by means used in the textile industry [8].…”

Section: Introduction 1purpose Of the Workmentioning

confidence: 99%

Textronic UHF RFID Transponder

Jankowski-Mihułowicz

Węglarski

Chamera³

et al. 2021

Sensors

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In order to respond the growing interest towards radio frequency identification textile transponders, the authors propose a new approach to design radio frequency identification (RFID) devices by introducing the RFIDtex concept. The coupling system of inductive loops is implemented in the textronic structure with the RFID interface in order to split the transponder into two independently manufactured components. Then both modules can be easily integrated into the RFIDtex tag. The presented simulation and measurement results prove the concept of manufacturing a relatively small antenna in the form of a meandered dipole sewn in with a single thread, and further, that can be connected to the RFID chip through the coupling system without galvanic junctions. The achieved parameters clearly indicate that the tag can correctly communicate with the read/write device as well as the coupling between its both parts works properly, and the impedance matching is possible in this case. The possibility of confectioning products with electronic identification tags at the textile factory site and improved resistance to the impact of environmental conditions are the main advantage of the proposed approach to the RFID devices designing. The RFIDtex transponder idea proposed by the authors was restricted in the patent no PL 231291 B1.

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“…[6] presents a broadband RFID tag antenna for bio-monitoring applications. [7] presents a wearable UHF RFID reader antenna made of textile materials and integrated with a work glove. Most of existing techniques such as [7] of designing wearable antennas use ground plane to minimize the influence of the human body on the antenna performance, which makes antenna bulky and not befitting our application, where the sufficiently small form factor is in priority.…”

Section: Introductionmentioning

confidence: 99%

“…[7] presents a wearable UHF RFID reader antenna made of textile materials and integrated with a work glove. Most of existing techniques such as [7] of designing wearable antennas use ground plane to minimize the influence of the human body on the antenna performance, which makes antenna bulky and not befitting our application, where the sufficiently small form factor is in priority. In addition, the textile solution is generally based on using electro-thread as conductor, but this material has a low electrical conductivity compared to the copper.…”

Section: Introductionmentioning

confidence: 99%

Design of an Ultra-Wideband Uhf Rfid Reader Antenna for Wearable Ankle Tracking Applications

Jebbawi¹,

Egels²,

Pannier³

2020

PIER C

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In this paper, a broadband reader antenna is designed and manufactured for wearable ankle strap applications. The frequency range covered for S 11 < −10 dB is from 850 MHz to 1650 MHz with dipole like radiation pattern in free space. The proposed broadband antenna is manufactured with a semi-flex (Taconic RF-35) and flexible (Kapton) substrates. A good agreement between simulations and measurements has been achieved. Prototypes performances have been tested by measuring the reading distance. The maximum reading distance obtained is about 1.46 m at 865 MHz with an output power of the transmitter (P T X) of 25 dBm. Results of functional RFID test show that the proposed antenna can be used as an RFID reader antenna when it is placed on the ankle of the human body.

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Glove-Integrated Textile Antenna with Reduced SAR for Wearable UHF RFID Reader

Cited by 9 publications

References 18 publications

Recent Advances of Wearable Antennas in Materials, Fabrication Methods, Designs, and Their Applications: State-of-the-Art

Recent Advances of Wearable Antennas in Materials, Fabrication Methods, Designs, and Their Applications: State-of-the-Art

Textronic UHF RFID Transponder

Design of an Ultra-Wideband Uhf Rfid Reader Antenna for Wearable Ankle Tracking Applications

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