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Characterization of measured indoor off-body MIMO channels with correlated fading, correlated shadowing and constant path loss

Patrick Van Torre UGent, Luigi Vallozzi UGent, Lennert Jacobs UGent, Hendrik Rogier UGent, Marc Moeneclaey UGent and Jo Verhaevert UGent (2012) IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS. 11(2). p.712-721
abstract
Indoor off-body wireless MIMO links between a mobile user equipped with wearable textile patch antennas and a fixed base station exhibit specific channel behavior due to the near presence and movements of the human body. Therefore, they require a dedicated channel model that captures the effects of correlated small-scale Rayleigh fading and correlated lognormal shadowing. A methodology is presented to construct such a model, allowing to predict the bit error characteristics and channel capacity curves based on the shadowing and fading correlation matrices that are extracted from channel measurements. It is shown that by separating shadowing, including effects caused by movement and reorientation of the human body, from small-scale fading, the main mechanisms of the off-body communication link are accurately captured by the model. A clear dependence of the shadowing correlation values on the physical layout of the antenna system is found. In our measurements, shadowing is not significantly decorrelated by polarization diversity or front-to-back diversity whereas the small-scale fading is clearly decorrelated. From the model, MIMO channel realizations with identical bit error rate and channel capacity characteristics as the measured channel can be quickly generated for link emulation purposes.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
POLARIZATION DIVERSITY, WIRELESS COMMUNICATIONS, CORRELATION MODELS, RADIO CHANNEL, BER ANALYSIS, ANTENNA, SYSTEMS, FEASIBILITY, PERFORMANCE, CAPACITY, MIMO systems, MIMO channel, body-centric communications
journal title
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
IEEE Trans. Wirel. Commun.
volume
11
issue
2
pages
712 - 721
Web of Science type
Article
Web of Science id
000300426000028
JCR category
TELECOMMUNICATIONS
JCR impact factor
2.418 (2012)
JCR rank
7/76 (2012)
JCR quartile
1 (2012)
ISSN
1536-1276
DOI
10.1109/TWC.2011.111611.110298
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
3009268
handle
http://hdl.handle.net/1854/LU-3009268
date created
2012-10-09 09:00:37
date last changed
2012-10-12 14:59:00
@article{3009268,
  abstract     = {Indoor off-body wireless MIMO links between a mobile user equipped with wearable textile patch antennas and a fixed base station exhibit specific channel behavior due to the near presence and movements of the human body. Therefore, they require a dedicated channel model that captures the effects of correlated small-scale Rayleigh fading and correlated lognormal shadowing. A methodology is presented to construct such a model, allowing to predict the bit error characteristics and channel capacity curves based on the shadowing and fading correlation matrices that are extracted from channel measurements. It is shown that by separating shadowing, including effects caused by movement and reorientation of the human body, from small-scale fading, the main mechanisms of the off-body communication link are accurately captured by the model. A clear dependence of the shadowing correlation values on the physical layout of the antenna system is found. In our measurements, shadowing is not significantly decorrelated by polarization diversity or front-to-back diversity whereas the small-scale fading is clearly decorrelated. From the model, MIMO channel realizations with identical bit error rate and channel capacity characteristics as the measured channel can be quickly generated for link emulation purposes.},
  author       = {Van Torre, Patrick and Vallozzi, Luigi and Jacobs, Lennert and Rogier, Hendrik and Moeneclaey, Marc and Verhaevert, Jo},
  issn         = {1536-1276},
  journal      = {IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS},
  keyword      = {POLARIZATION DIVERSITY,WIRELESS COMMUNICATIONS,CORRELATION MODELS,RADIO CHANNEL,BER ANALYSIS,ANTENNA,SYSTEMS,FEASIBILITY,PERFORMANCE,CAPACITY,MIMO systems,MIMO channel,body-centric communications},
  language     = {eng},
  number       = {2},
  pages        = {712--721},
  title        = {Characterization of measured indoor off-body MIMO channels with correlated fading, correlated shadowing and constant path loss},
  url          = {http://dx.doi.org/10.1109/TWC.2011.111611.110298},
  volume       = {11},
  year         = {2012},
}

Chicago
Van Torre, Patrick, Luigi Vallozzi, Lennert Jacobs, Hendrik Rogier, Marc Moeneclaey, and Jo Verhaevert. 2012. “Characterization of Measured Indoor Off-body MIMO Channels with Correlated Fading, Correlated Shadowing and Constant Path Loss.” Ieee Transactions on Wireless Communications 11 (2): 712–721.
APA
Van Torre, P., Vallozzi, L., Jacobs, L., Rogier, H., Moeneclaey, M., & Verhaevert, J. (2012). Characterization of measured indoor off-body MIMO channels with correlated fading, correlated shadowing and constant path loss. IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 11(2), 712–721.
Vancouver
1.
Van Torre P, Vallozzi L, Jacobs L, Rogier H, Moeneclaey M, Verhaevert J. Characterization of measured indoor off-body MIMO channels with correlated fading, correlated shadowing and constant path loss. IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS. 2012;11(2):712–21.
MLA
Van Torre, Patrick, Luigi Vallozzi, Lennert Jacobs, et al. “Characterization of Measured Indoor Off-body MIMO Channels with Correlated Fading, Correlated Shadowing and Constant Path Loss.” IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 11.2 (2012): 712–721. Print.