Change search
ReferencesLink to record
Permanent link

Direct link
On the estimation of improper noise in multicarrier DSL systems
2005 (English)In: 2005 IEEE International Conference on Communications, 2005, 1142-1146 p.Conference paper (Refereed)
Abstract [en]

In this paper we consider the estimation of improper noise in multicarrier DSL systems. We show that the improperness of baseband noise relates to the mirrored frequency components in the positive and negative frequency halves. Spectral leakage in the receiver requires in general widely linear estimation (WLE) techniques of the noise instead of less complex linear estimation (LE) techniques. We describe how to take into account for the improperness in the estimation and how it is possible to neglect it by using smooth receiver windowing. This is demonstrated by using two similar but conceptually different noise estimators, which are based on deterministic and stochastic noise models, combined with LE or WLE. We also describe some practical properties of improper noise estimation in multicarrier DSL systems by showing intuition pleasing connections to spectral leakage, receiver windowing, dimensionality and model parameters, residual noise interference, and complexity.

Place, publisher, year, edition, pages
2005. 1142-1146 p.
URN: urn:nbn:se:ltu:diva-37143DOI: 10.1109/ICC.2005.1494526Local ID: b118a132-ad5b-458f-aa50-2480bf065fecISBN: 0-7803-8938-7 (print)OAI: diva2:1010641
IEEE International Conference on Communications : 16/05/2005 - 20/05/2005
Upprättat; 2011; 20110426 (evan)Available from: 2016-10-03 Created: 2016-10-03

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Nilsson, Rickard

Search outside of DiVA

GoogleGoogle Scholar

Altmetric score

Total: 13 hits
ReferencesLink to record
Permanent link

Direct link