Intercarrier interference in DSL networks due to asynchronous DMT transmission

Author

Moraes, Rodrigo B. ; Tsiaflakis, P. ; Moonen, Marc

Author_Institution

Dept. of Electr. Eng., KU Leuven, Leuven, Belgium

fYear

2013

Firstpage

4678

Lastpage

4682

Abstract

We focus on the effects of intercarrier interference (ICI) in digital subscriber line (DSL) systems due to asynchronous discrete multitone (DMT) transmission and its impact on dynamic spectrum management (DSM). ICI arises when the DMT blocks of interfering users in the network are not aligned in time and it may significantly impact the system performance. Our contribution is the derivation of a simple and accurate model for the effect of the ICI. We propose both an ICI model based on the particular delay between two users and an ICI model averaged over the delays between two users. Simulation results show that an accurate characterization of the ICI positively impacts the performance of DSM solutions.

Keywords

delays; digital subscriber lines; intercarrier interference; interference suppression; radio spectrum management; DSM; ICI model; asynchronous DMT transmission; delay; digital subscriber line; discrete multitone; dynamic spectrum management; intercarrier interference; Crosstalk; DSL; Delays; Optimization; Resource management; Synchronization; Digital subscriber lines; dynamic spectrum management; inter-carrier interference;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech and Signal Processing (ICASSP), 2013 IEEE International Conference on

Conference_Location

Vancouver, BC

ISSN

1520-6149

Type

conf

DOI

10.1109/ICASSP.2013.6638547

Filename

6638547