Open AccessBody‐centric ultra‐wideband multi‐channel characterisation and spatial diversity in the indoor environment
Author(s) -
Catherwood Philip A.,
Scanlon William G.
Publication year - 2013
Publication title -
iet microwaves, antennas and propagation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.555
H-Index - 69
eISSN - 1751-8733
pISSN - 1751-8725
DOI - 10.1049/iet-map.2011.0565
Subject(s) - non line of sight propagation , nakagami distribution , antenna diversity , rician fading , channel (broadcasting) , maximal ratio combining , antenna (radio) , electronic engineering , computer science , telecommunications , engineering , wireless , fading
This study presents the findings of an empirical channel characterisation for an ultra‐wideband off‐body optic fibre‐fed multiple‐antenna array within an office and corridor environment. The results show that for received power experiments, the office and corridor were best modelled by lognormal and Rician distributions, respectively [for both line of sight (LOS) and non‐LOS (NLOS) scenarios]. In the office, LOS measurements for t mean and t RMS were both described by the Normal distribution for all channels, whereas NLOS measurements for t mean and t RMS were Nakagami and Weibull distributed, respectively. For the corridor measurements, LOS for t mean and t RMS were either Nakagami or normally distributed for all channels, with NLOS measurements for t mean and t RMS being Nakagami and normally distributed, respectively. This work also shows that achievable diversity gain was influenced by both mutual coupling and cross‐correlation co‐efficients. Although the best diversity gains were 1.8 dB for three‐channel selective diversity combining, the authors present recommendations for improving these results.