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Performance analysis of diversity effect for in-body to on-body wireless UWB link

Published: 26 October 2011 Publication History

Abstract

The objective of this study is to perform a quantitative performance analysis of diversity effect for in-body to on-body ultra wideband (UWB) transmission for capsule endoscope. UWB technology has a potential to provide real-time image transmission from inside to outside of human body owing to its inherent features. However, it suffers from large attenuation together with shadowing in human tissues. In view of this distinctive property, a diversity scheme is expected to provide an effective improvement on this wireless link performance. Based on finite-difference time-domain (FDTD) numerically-derived in-body to on-body characteristics, we derive probability density function (PDF) for combined communication channels with two different approximation methods and compare their accuracy at first. Then we calculate average bit error rate (BER) with pulse position modulation (PPM) and on-off keying (OOK) modulation scheme to clarify the possible diversity effect.

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ISABEL '11: Proceedings of the 4th International Symposium on Applied Sciences in Biomedical and Communication Technologies
October 2011
949 pages
ISBN:9781450309134
DOI:10.1145/2093698
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

Sponsors

  • Universitat Pompeu Fabra
  • IEEE
  • Technical University of Catalonia Spain: Technical University of Catalonia (UPC), Spain
  • River Publishers: River Publishers
  • CTTC: Technological Center for Telecommunications of Catalonia
  • CTIF: Kyranova Ltd, Center for TeleInFrastruktur

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 26 October 2011

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Author Tags

  1. bit error rate (BER)
  2. in-body to on-body communication
  3. spatial diversity
  4. ultra wideband (UWB)

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ISABEL '11
Sponsor:
  • Technical University of Catalonia Spain
  • River Publishers
  • CTTC
  • CTIF

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