Indoor powerline channels usually exhibit a cyclic input–output behavior due to the time-varying impedance of power loads. This makes typical time-invariant system models unsuitable to provide a faithful representation of such channels. In this paper, starting from the so-called Zadeh's series expansion, a discrete-time parametric representation of a linear periodically time-varying system is developed, and it is shown how a reduced-complexity version of it can be adopted to model indoor powerline channels. Then, various methods for estimating the parameters of the proposed representation are developed and compared in terms of performance and complexity. Numerical results evidence that our reduced complexity model is able to provide an accurate representation of indoor powerline channels and is of practical interest for both smart-grid applications and home area networks.

On the Use of Zadeh's Series Expansion for Modeling and Estimation of Indoor Powerline Channels / Gianaroli, Fabio; Pancaldi, Fabrizio; Vitetta, Giorgio Matteo. - In: IEEE TRANSACTIONS ON COMMUNICATIONS. - ISSN 0090-6778. - STAMPA. - 62:7(2014), pp. 2558-2568. [10.1109/TCOMM.2014.2327616]

On the Use of Zadeh's Series Expansion for Modeling and Estimation of Indoor Powerline Channels

GIANAROLI, FABIO;PANCALDI, Fabrizio;VITETTA, Giorgio Matteo
2014

Abstract

Indoor powerline channels usually exhibit a cyclic input–output behavior due to the time-varying impedance of power loads. This makes typical time-invariant system models unsuitable to provide a faithful representation of such channels. In this paper, starting from the so-called Zadeh's series expansion, a discrete-time parametric representation of a linear periodically time-varying system is developed, and it is shown how a reduced-complexity version of it can be adopted to model indoor powerline channels. Then, various methods for estimating the parameters of the proposed representation are developed and compared in terms of performance and complexity. Numerical results evidence that our reduced complexity model is able to provide an accurate representation of indoor powerline channels and is of practical interest for both smart-grid applications and home area networks.
2014
62
7
2558
2568
On the Use of Zadeh's Series Expansion for Modeling and Estimation of Indoor Powerline Channels / Gianaroli, Fabio; Pancaldi, Fabrizio; Vitetta, Giorgio Matteo. - In: IEEE TRANSACTIONS ON COMMUNICATIONS. - ISSN 0090-6778. - STAMPA. - 62:7(2014), pp. 2558-2568. [10.1109/TCOMM.2014.2327616]
Gianaroli, Fabio; Pancaldi, Fabrizio; Vitetta, Giorgio Matteo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1028914
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