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Search: WFRF:(Wiese Brian)

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  • Sjöberg, Frank, et al. (author)
  • Digital RFI Suppression in DMT-based VDSL Systems
  • 2004
  • In: IEEE Transactions on Circuits and Systems Part 1. - 1549-8328 .- 1558-0806. ; 51:11, s. 2300-2312
  • Journal article (peer-reviewed)abstract
    • In this paper, we propose a method for suppressing radio frequency interference (RFI) in discrete multitone (DMT) based very high bit rate digital subscriber line (VDSL) systems. The method operates in the frequency domain of a DMT system. First, we derive a model of how an unknown narrow-band RF signal is mapped onto the DMT carriers. Then, by measuring the RFI on a few unused DMT carriers we are able to subtract RFI estimates from every modulated subcarrier. Simulation results show that this method, applied to an RFI signal with the same average power as the VDSL signal, suppresses the RFI with 40-50 dB, which reduces the average SNR loss from about 20 to less than 0.3 dB.
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  • Result 1-1 of 1
Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Ödling, Per (1)
Börjesson, Per Ola (1)
Sjöberg, Frank (1)
Nilsson, Rickard (1)
Wiese, Brian (1)
Bingham, John A. C. (1)
University
Luleå University of Technology (1)
Lund University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2004 (1)

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