The DOI matches its Crossref record; 33 of the 36 references it cites were found in a registry or an index.
Implantable RF Medical Devices: The Benefits of High-Speed Communication and Much Greater Communication Distances in Biomedical Applications
Abstract
In the early ages of implantable devices, radio frequency (RF) technologies were not commonplace due to the challenges stemming from the inherent nature of biological tissue boundaries. As technology improved and our understanding matured, the benefit of RF in biomedical applications surpassed the implementation challenges and is thus becoming more widespread. The fundamental challenge is due to the significant electromagnetic (EM) effects of the body at high frequencies. The EM absorption and impedance boundaries of biological tissue result in significant reduction of power and signal integrity for transcutaneous propagation of RF fields. Furthermore, the dielectric properties of the body tissue surrounding the implant must be accounted for in the design of its RF components, such as antennas and inductors, and the tissue is often heterogeneous and the properties are highly variable. Additional challenges for implantable applications include the need for miniaturization, power minimization, and often accounting for a conductive casing due to biocompatibility and hermeticity requirements [1]?[3]. Today, wireless technologies are essentially a must have in most electrical implants due to the need to communicate with the device and even transfer usable energy to the implant [4], [5]. Low-frequency wireless technologies face fewer challenges in this implantable setting than its higher frequency, or RF, counterpart, but are limited to much lower communication speeds and typically have a very limited operating distance. The benefits of high-speed communication and much greater communication distances in biomedical applications have spawned numerous wireless standards committees, and the U.S. Federal Communications Commission (FCC) has allocated numerous frequency bands for medical telemetry as well as those to specifically target implantable applications. The development of analytical models, advanced EM simulation software, and representative RF human phantom recipes has significantly facilitated design and optimization of RF components for implantable applications.
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“Radio Frequency (RF) technology employs far-field electromagnetic waves in the MHz and GHz range to wirelessly transmit energy and data over greater distances to brain implants differentiating it from the near-field magnetic fields utilized in inductive coupling and the intermediate-range operations of Midfield Transfer (MDF).”
From Comparative analysis of energy transfer mechanisms for neural implants (2024) · cites this paper as Chow et al., 2013
In the citing paper
“An external transmitter generates these waves, captured by an antenna connected to an internal receiver in the implant, where it is converted to electrical power (Chow et al., 2013; Singer and Robinson, 2021).”
From Comparative analysis of energy transfer mechanisms for neural implants (2024) · cites this paper as Chow et al., 2013
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Metadata
- Authors
- Chow, E., Morris, M., & Irazoqui, P.
- Affiliations
- Purdue University West Lafayette (US)
- ORCID
- Irazoqui, Pedro
- Venue
- IEEE Microwave Magazine
- Published
- 2013-06
- Volume
- 14
- Issue
- 4
- Pages
- 64-73
- ISSN
- 1527-3342 (ISSN-L)
- OpenAlex
- W1970635841
- Cited by
- 111
- References
- 36
- Citations by year
- 2026: 4 · 2025: 6 · 2024: 14 · 2023: 5 · 2022: 4 · 2021: 4 · 2020: 7 · 2019: 9 · 2018: 13 · 2017: 12 · 2016: 7 · 2015: 12 · 2014: 9 · 2013: 5
- FWCI
- 6.07
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Microwave Magazine (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Wireless Body Area Networks
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Wireless Power Transfer Systems
- Physical Sciences › Computer Science › Computer Networks and Communications › RFID technology advancements
- Keywords
- high-speed wireless communication, biotelemetry, tissue dielectric properties, electromagnetic wave absorption, impedance matching, RF power transmission
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