The performance of on-body wearable antennas in a repeatable multipath environment

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Abstract

The performance of antennas designed for on-body channels is usually evaluated in an anechoic environment. However, it is also appropriate to determine their performance under multipath conditions since the presence of off-body paths may significantly improve on-body links for some antennas. This was investigated by considering the on-body performance (|S21| path gain) of a range of wearable antennas in the repeatable multipath environment of a reverberation chamber using a tissue-equivalent experimental phantom, representative of human muscle tissue at 2.45 GHz. These results were compared with the equivalent measurements taken in an anechoic far-field chamber. The study shows that antennas which radiate tangential to the body surface, supporting a surface wave propagating mode, perform favorably in both environments, which is advantageous in reliable system design.

Original languageEnglish
Title of host publication2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI - San Diego, CA, United States
Duration: 5 Jul 200812 Jul 2008

Publication series

Name2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI

Conference

Conference2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI
Country/TerritoryUnited States
CitySan Diego, CA
Period5/07/0812/07/08

Keywords

  • Multipath fading
  • On-body channels
  • Wearable antennas

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