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Local spline approximation of time-varying channel model

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2 Author(s)
Zakharov, Y.V. ; Dept. of Electron., York Univ., UK ; Tozer, T.C.

Methods of local spline approximation of random functions described by Clarke's model are investigated. Such a model is known to describe time-varying amplitudes of multipath components in mobile fading channels, Splines of zero, first and second orders with different spline coefficients are compared. The comparison shows that local linear and parabolic splines with quasi-optimal spline coefficients provide a low approximation error. This makes them attractive for estimating and modelling fast fading channels

Published in:

Electronics Letters  (Volume:37 ,  Issue: 23 )