Channel modelling and propagation measurements for a bodyworn 5.2 GHz terminal moving in the indoor environment

Paper


Ziri-Castro, Karla, Scanlon, William, Feustle, R. and Evans, Noel. 2003. "Channel modelling and propagation measurements for a bodyworn 5.2 GHz terminal moving in the indoor environment." 12th IEE International Conference on Antennas and Propagation. Exeter, United Kingdom 31 Mar - 03 Apr 2003 United Kingdom.
Paper/Presentation Title

Channel modelling and propagation measurements for a bodyworn 5.2 GHz terminal moving in the indoor environment

Presentation TypePaper
AuthorsZiri-Castro, Karla (Author), Scanlon, William (Author), Feustle, R. (Author) and Evans, Noel (Author)
Journal or Proceedings TitleProceedings of the 12th IEE International Conference on Antennas and Propagation
Journal Citation1, pp. 67-70
Number of Pages5
Year2003
Place of PublicationUnited Kingdom
ISBN0852967527
Web Address (URL) of Paperhttp://ieeexplore.ieee.org/iel5/9352/29705/01353577.pdf
Conference/Event12th IEE International Conference on Antennas and Propagation
Event Details
12th IEE International Conference on Antennas and Propagation
Event Date
31 Mar 2003 to end of 03 Apr 2003
Event Location
Exeter, United Kingdom
Abstract

[Abstract]: Proposed applications for broadband wireless local area
networks may include the use of bodyworn or
handportable terminals. The proximity of the user's
body has a significant effect on the radio propagation
characteristics through spatial filtering of the multipath
channel. This paper compares measurements and
simulations of a narrowband 5.2 GHz radio channel
with a fwed transmitter and a bodywom receiver. The
modelling technique was a site-specific ray-tracing
simulator incorporating a modified three-dimensional
radiation pattem of the bodyworn receiver. Two indoor
environments were considered, an 18 m long corridor
and a 42 m* office. The results show that the received
power envelope and local mean values are strongly
dependent. on body shadowing in relation to the direct
ray. In the corridor, 'the predicted non-line-of sight
(NLOS) mean received powers was 13.6 dB lower than
for line-of-sight (LOS). In the office, the predicted
NLOS received power was 5.2 dB lower than LOS. The
measured body shadowing effect was lower: 5.4 dB for
the corridor and 3.8 dB for the office. Further analysis
of level crossing rate and average fade duration showed
that the prediction tool tended to underestimate the
degree of fading. This was attributed to the movement
limitations of the body model used.

Keywordsbodyworn terminals; handportable terminals; portable terminals; radio propagation
ANZSRC Field of Research 2020400601. Antennas and propagation
400608. Wireless communication systems and technologies (incl. microwave and millimetrewave)
Public Notes

File reproduced in accordance with the copyright policy of the publisher/author.

Byline AffiliationsQueen's University Belfast, United Kingdom
University of Ulster, United Kingdom
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