Title :
Characteristics of shadowed fading in off-body communications channels at 2.45 GHz
Author :
Cotton, Simon L.
Author_Institution :
Inst. of Electron., Commun. & IT (ECIT), Queen´s Univ. Belfast, Belfast, UK
Abstract :
In this paper, a number of off-body channels which are susceptible to shadowing caused by the human body are investigated. In particular, the recently proposed shadowed κ-μ fading model is fitted to data obtained from field trials performed in low multipath conditions at 2.45 GHz. It is shown that this model provides a significantly improved fit to off-body channels which are subject to shadowing when compared to other fading models such as lognormal, Nakagami-m and Rice which are commonly applied to model fading in body centric communications channels.
Keywords :
biomedical communication; fading channels; multipath channels; Nakagami-m fading model; Rice fading models; body centric communications channels; field trials; frequency 2.45 GHz; human body; lognormal fading models; low multipath conditions; off-body channels; off-body communications channels; shadowed κ-μ fading model; shadowed fading characteristics; Antennas; Communication channels; Fading; Mathematical model; Nakagami distribution; Probability density function; Shadow mapping;
Conference_Titel :
General Assembly and Scientific Symposium (URSI GASS), 2014 XXXIth URSI
Conference_Location :
Beijing
DOI :
10.1109/URSIGASS.2014.6929367
