Making a telemetry system implantable: challenges and opportunities in antenna design

Shahidul Islam; Karu P. Esselle; David Bull; Paul M. Pilowsky

doi:10.1109/IMWS-BIO.2013.6756246

Making a telemetry system implantable: challenges and opportunities in antenna design

Shahidul Islam, Karu P. Esselle, David Bull, Paul M. Pilowsky

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

4 Citations (Scopus)

Abstract

Design of a proximity coupled implantable planar inverted F-antenna (I-PIFA) is presented. It's to be operated in the Australian 900MHz ISM band (915-928MHz). This antenna, integrated to an existing Radio Frequency Identification (RFID) tag, will be implanted under the skin of rats for medical research. The main purpose of this wireless telemetry system is to transmit the extracted physiological signals and indicators from the body of the rat to an external RFID reader connected to a computer. The total volume of the antenna is 9.25mm×8mm×3.2mm and the larger ground plane of the RFID circuit board is utilized to improve the performance of the antenna. A skin-fat-muscle planar tissue model has been developed to represent the immediate environment around the antenna, which has been coated with a bio-compatible material. The simulations have shown that the effect of rat skin and the bio-compatible coating on antenna matching is significant. Yet with the conservative antenna design proposed here that has a nominal 10dB return loss bandwidth of 15%, the antenna remain matched over the entire ISM band even if the dielectric constants of the rat skin and bio-compatible coating change over a wide range.

Original language	English
Title of host publication	2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Proceedings
Place of Publication	Piscataway, NJ
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	1-3
Number of pages	3
ISBN (Electronic)	9781467360968
ISBN (Print)	9781467360944
DOIs	https://doi.org/10.1109/IMWS-BIO.2013.6756246
Publication status	Published - 2013
Event	2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Singapore, Singapore Duration: 9 Dec 2013 → 11 Dec 2013

Other

Other	2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013
Country/Territory	Singapore
City	Singapore
Period	9/12/13 → 11/12/13

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10.1109/IMWS-BIO.2013.6756246

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Islam, S., Esselle, K. P., Bull, D., & Pilowsky, P. M. (2013). Making a telemetry system implantable: challenges and opportunities in antenna design. In 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Proceedings (pp. 1-3). [6756246] Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/IMWS-BIO.2013.6756246

Islam, Shahidul ; Esselle, Karu P. ; Bull, David et al. / Making a telemetry system implantable : challenges and opportunities in antenna design. 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Proceedings. Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2013. pp. 1-3

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abstract = "Design of a proximity coupled implantable planar inverted F-antenna (I-PIFA) is presented. It's to be operated in the Australian 900MHz ISM band (915-928MHz). This antenna, integrated to an existing Radio Frequency Identification (RFID) tag, will be implanted under the skin of rats for medical research. The main purpose of this wireless telemetry system is to transmit the extracted physiological signals and indicators from the body of the rat to an external RFID reader connected to a computer. The total volume of the antenna is 9.25mm×8mm×3.2mm and the larger ground plane of the RFID circuit board is utilized to improve the performance of the antenna. A skin-fat-muscle planar tissue model has been developed to represent the immediate environment around the antenna, which has been coated with a bio-compatible material. The simulations have shown that the effect of rat skin and the bio-compatible coating on antenna matching is significant. Yet with the conservative antenna design proposed here that has a nominal 10dB return loss bandwidth of 15%, the antenna remain matched over the entire ISM band even if the dielectric constants of the rat skin and bio-compatible coating change over a wide range.",

author = "Shahidul Islam and Esselle, {Karu P.} and David Bull and Pilowsky, {Paul M.}",

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doi = "10.1109/IMWS-BIO.2013.6756246",

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Islam, S, Esselle, KP, Bull, D & Pilowsky, PM 2013, Making a telemetry system implantable: challenges and opportunities in antenna design. in 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Proceedings., 6756246, Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, pp. 1-3, 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Tecbhnologies for Biomedical and Healthcare Applications, IMWS-BIO 2013, Singapore, Singapore, 9/12/13. https://doi.org/10.1109/IMWS-BIO.2013.6756246

Making a telemetry system implantable : challenges and opportunities in antenna design. / Islam, Shahidul; Esselle, Karu P.; Bull, David et al.

2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Proceedings. Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2013. p. 1-3 6756246.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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AB - Design of a proximity coupled implantable planar inverted F-antenna (I-PIFA) is presented. It's to be operated in the Australian 900MHz ISM band (915-928MHz). This antenna, integrated to an existing Radio Frequency Identification (RFID) tag, will be implanted under the skin of rats for medical research. The main purpose of this wireless telemetry system is to transmit the extracted physiological signals and indicators from the body of the rat to an external RFID reader connected to a computer. The total volume of the antenna is 9.25mm×8mm×3.2mm and the larger ground plane of the RFID circuit board is utilized to improve the performance of the antenna. A skin-fat-muscle planar tissue model has been developed to represent the immediate environment around the antenna, which has been coated with a bio-compatible material. The simulations have shown that the effect of rat skin and the bio-compatible coating on antenna matching is significant. Yet with the conservative antenna design proposed here that has a nominal 10dB return loss bandwidth of 15%, the antenna remain matched over the entire ISM band even if the dielectric constants of the rat skin and bio-compatible coating change over a wide range.

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BT - 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Proceedings

PB - Institute of Electrical and Electronics Engineers (IEEE)

CY - Piscataway, NJ

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Islam S, Esselle KP, Bull D, Pilowsky PM. Making a telemetry system implantable: challenges and opportunities in antenna design. In 2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Proceedings. Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE). 2013. p. 1-3. 6756246 https://doi.org/10.1109/IMWS-BIO.2013.6756246

Making a telemetry system implantable: challenges and opportunities in antenna design

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