Title
Generic small scale channel model for on-body UWB WBAN communications
Abstract
This paper presents a generic small scale channel model for ultra wideband wireless body area network communications. It is based on static on-body measurements in an anechoic chamber by using a vector network analyzer within a 2--8 GHz bandwidth. Two antenna types are used for the examination: dipole and double loop. From the existing data, a generic average channel impulse response (CIR) was extracted resulting 11 and 12 resolvable paths for the dipole and the double loop antenna, respectively, when a dynamic range of 25 dB was used. The CIR envelopes were modelled by using the polynomial least squares (LS) fitting with orders one to five. The 5th order LS model was noted to follow the CIR envelope most precisely. The CIR decays slightly faster for the dipole antenna. The statistical properties of the CIR bins were solved by fitting the data for 17 continuous distributions and ranking them by using the second order Akaike information criterion. To model the CIR amplitudes exactly, four different distributions were needed for the dipole but for an approximate model Weibull and lognormal distributions suffice. For the double loop, all CIR bins follow the inverse Gaussian distribution. The distributions of the CIR bin indexes were found to follow the negative binomial distribution for both antennas.
Year
DOI
Venue
2013
10.4108/icst.bodynets.2013.253673
BODYNETS
Keywords
Field
DocType
generic small scale channel,cir envelope,cir bin,double loop,on-body uwb wban communication,antenna type,order ls model,cir bin index,double loop antenna,lognormal distributions suffice,approximate model,dipole antenna,body area network,ultra wideband
Dipole antenna,Akaike information criterion,Loop antenna,Inverse Gaussian distribution,Algorithm,Bandwidth (signal processing),Anechoic chamber,Ultra-wideband,Statistics,Mathematics,Polynomial least squares
Conference
Citations 
PageRank 
References 
4
0.75
4
Authors
5
Name
Order
Citations
PageRank
Timo Kumpuniemi1136.63
Matti Hämäläinen2911140.69
Tommi Tuovinen32215.55
K. Y. Yazdandoost413034.91
Jari Iinatti515033.33