Performance evaluation and experiment of an implantable RFID tag antenna in human arm for in-body wireless communication

Lin, Hao; Takahashi, Masaharu; Takei, Daisuke; Saito, Kazuyuki; Ito, Koichi

doi:10.1587/comex.2.347

Cited by 2 publications

(6 citation statements)

References 5 publications

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“…The dimensions of the proposed antenna are comparable to the ones achieved by Refs. , and . Antenna structures of Refs.…”

Section: Simulation Results and Discussionmentioning

confidence: 99%

“…However, the short read range and low data rates associated with these bands make them unsuitable for real‐time subject monitoring applications. Recent research work on the implantable antenna design shows an inclination toward using ultra‐high‐frequency and industrial‐scientific‐medical (ISM) as the operational bands to achieve longer activation distances and high data rates …”

Section: Introductionmentioning

confidence: 99%

“…A meandered PIFA design achieves the required compact size but at the cost of degraded radiation performance . In this regard, folded and loop structures offer a better combination of size miniaturization and radiation efficiency …”

Section: Introductionmentioning

confidence: 99%

“…Recent research work on the implantable antenna design shows an inclination toward using ultra-high-frequency and industrial-scientificmedical (ISM) as the operational bands to achieve longer activation distances and high data rates. [12][13][14][15][16][17][18][19][20][21][22][23] Impedance mismatch and radiation efficiency degradation are the two main concerns of the in-body tag antennas. Designing the antenna directly inside a phantom mimicking the electromagnetic behavior of the targeted body part for the implant helps in tackling the impedance mismatch issue.…”

Section: Introductionmentioning

confidence: 99%

“…13,14 In this regard, folded and loop structures offer a better combination of size miniaturization and radiation efficiency. [18][19][20][21][22][23] This research article presents a tag antenna operating in the ISM band for in-body communication. The use of high permittivity substrate and folded structure aids in achieving a miniaturized antenna with dimensions (10 mm 3 15 mm 3 2 mm) appropriate for implantable applications.…”

Section: Introductionmentioning

confidence: 99%

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A compact implantable RFID tag antenna dedicated to wireless health care

Aslam

Khan

Azam

et al. 2017

Int J. RF Microw. Comput. Aided Eng.

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Implantable tag antennas are an integral component of contemporary pervasive patient monitoring setups envisioned to reduce the medical errors and improve the quality of health care facilities. These tags, embedded into the human body, transmit critical patient information to the external equipment via a wireless communication link. This research article presents an implantable compact folded dipole antenna of size 10 mm × 15 mm × 2 mm, designed to operate in the industrial‐scientific‐medical band (2.4‐2.48GHz). A three‐layered phantom representing the human arm is used to evaluate the subcutaneous antenna performance. The tag antenna embedded in the middle of the fat layer offers a maximum gain of −16.3 dBi. The tag antenna performance as a function of implant position and phantom dimensions is analyzed. Link budget calculations show that with the achieved antenna gain the link power exceeds the required power by 38.37 dBm, and hence wireless communication is viable.

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“…The dimensions of the proposed antenna are comparable to the ones achieved by Refs. , and . Antenna structures of Refs.…”

Section: Simulation Results and Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

A compact implantable RFID tag antenna dedicated to wireless health care

Aslam

Khan

Azam

et al. 2017

Int J. RF Microw. Comput. Aided Eng.

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Flexible and Conformable Antennas for Body-Centric Radiofrequency Identification

Lodato¹,

Manzari²,

Occhiuzzi³

et al. 2014

Innovation in Wearable and Flexible Antennas

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The fast growth of radiofrequency identification (RFID) research is currently exploring new applications for body-centric systems where flexible, miniaturized and conformal antennas are required for placement over the human body and implantation inside limbs and internal organs. When compared with conventional antennas for body-centric purpose, the design of RFID tags involve additional challenges related to the absence of local power source and, in some cases, to the close interaction with the interrogating unit.This chapter reviews the state of the art in the design and experimentation of flexible and conformable antennas for body-centric RFID applications with great attention to the definition of the performance parameters, the achievable read range, and finally, the technology solutions. For the most challenging family of implantable antennas, two cases study are given concerning design and experimentation of tags for orthopaedic limb prosthesis and for vascular implants.The RFID body-centric communication modalities can involve off-body, onbody and through-the body links (Fig. 1). The off-body communication could be useful for locating and monitoring people inside buildings, by means of fixed readers placed in different rooms, or by an on-body reader and ambient disseminated tags [1]. A possible application is the access control in dangerous or restricted areas. The on-body link, wherein the reader antenna is placed over the body, is instead typical of unusual scenarios, where a fixed communications infrastructure is missing. This could be the case of a sportsman, a soldier, or a fireman equipped with different RFID sensors (inside a garment), interrogated by the user's handheld standard communicator in harsh environments [2,3]. Finally, the most challenging architecture is the through-the body link wherein a tag is implanted inside the human body to realize 'augmented' prosthesis or artificial organs, adding communication and sensing capabilities [4,5] in order to store into the device itself detailed information about model, the surgery event as well as to collect data about its health state. Accordingly, doctors and surgeons will be enable to track the medical process after the surgeryevent, thus reducing risk of mistake or early anomalous events, as well as to monitor the status of the implant in the surgery's follow-up.This chapter reviews the state of the art in the design and experimentation of wearable and implantable RFID antennas used as harvesting modules of an RFID tag, with great attention to the definition of the performance parameters, the achievable read range, and finally, the technology solutions to achieve flexible and conformal elements suited to be embedded into clothes, as well into existing biomedical devices. For the most challenging family of implantable antennas, two Figure 1: Sketch of RFID-powered body-centric system with wearable tags (WT) and implanted tags (IT) placed over and inside the human body, and interrogated by one or more RFID readers (R).

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Performance evaluation and experiment of an implantable RFID tag antenna in human arm for in-body wireless communication

Cited by 2 publications

References 5 publications

A compact implantable RFID tag antenna dedicated to wireless health care

A compact implantable RFID tag antenna dedicated to wireless health care

Flexible and Conformable Antennas for Body-Centric Radiofrequency Identification

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