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A comparative study of on-body radio-frequency links in the 420 MHz-2.4 GHz range

(2018) SENSORS. 18(12).
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Abstract
While there exists a wide variety of radio frequency (RF) technologies amenable for usage in Wireless Body Area Networks (WBANs), which have been studied separately before, it is currently still unclear how their performance compares in true on-body scenarios. In this paper, a single reference on-body scenario-that is, propagation along the arm-is used to experimentally compare six distinct RF technologies (between 420 MHz and 2.4 GHz) in terms of path loss. To further quantify on-body path loss, measurements for five different on-body scenarios are presented as well. To compensate for the effect of often large path losses, two mitigation strategies to (dynamically) improve on-body links are introduced and experimentally verified: beam steering using a phased array, and usage of on-body RF repeaters. The results of this study can serve as a tool for WBAN designers to aid in the selection of the right RF frequency and technology for their application.
Keywords
CHANNEL MODEL, WIRELESS COMMUNICATION, RADIO CHANNEL, PROPAGATION, PERFORMANCE, ANTENNAS, DESIGN, body area networks, on-body communication, body-coupled communication, UHF RFID, Bluetooth, RF beam steering, RF repeaters, path loss, measurements

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Citation

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Chicago
Thielens, Arno, Robin Benarrouch, Stijn Wielandt, Matthew G. Anderson, Ali Moin, Andreia Cathelin, and Jan M. Rabaey. 2018. “A Comparative Study of On-body Radio-frequency Links in the 420 MHz-2.4 GHz Range.” Sensors 18 (12).
APA
Thielens, A., Benarrouch, R., Wielandt, S., Anderson, M. G., Moin, A., Cathelin, A., & Rabaey, J. M. (2018). A comparative study of on-body radio-frequency links in the 420 MHz-2.4 GHz range. SENSORS, 18(12).
Vancouver
1.
Thielens A, Benarrouch R, Wielandt S, Anderson MG, Moin A, Cathelin A, et al. A comparative study of on-body radio-frequency links in the 420 MHz-2.4 GHz range. SENSORS. Basel: Mdpi; 2018;18(12).
MLA
Thielens, Arno et al. “A Comparative Study of On-body Radio-frequency Links in the 420 MHz-2.4 GHz Range.” SENSORS 18.12 (2018): n. pag. Print.
@article{8589695,
  abstract     = {While there exists a wide variety of radio frequency (RF) technologies amenable for usage in Wireless Body Area Networks (WBANs), which have been studied separately before, it is currently still unclear how their performance compares in true on-body scenarios. In this paper, a single reference on-body scenario-that is, propagation along the arm-is used to experimentally compare six distinct RF technologies (between 420 MHz and 2.4 GHz) in terms of path loss. To further quantify on-body path loss, measurements for five different on-body scenarios are presented as well. To compensate for the effect of often large path losses, two mitigation strategies to (dynamically) improve on-body links are introduced and experimentally verified: beam steering using a phased array, and usage of on-body RF repeaters. The results of this study can serve as a tool for WBAN designers to aid in the selection of the right RF frequency and technology for their application.},
  articleno    = {4165},
  author       = {Thielens, Arno and Benarrouch, Robin and Wielandt, Stijn and Anderson, Matthew G. and Moin, Ali and Cathelin, Andreia and Rabaey, Jan M.},
  issn         = {1424-8220},
  journal      = {SENSORS},
  language     = {eng},
  number       = {12},
  pages        = {24},
  publisher    = {Mdpi},
  title        = {A comparative study of on-body radio-frequency links in the 420 MHz-2.4 GHz range},
  url          = {http://dx.doi.org/10.3390/s18124165},
  volume       = {18},
  year         = {2018},
}

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