Publications:Energy- Efficient DSL using Vectoring

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Title Energy- Efficient DSL using Vectoring
Author G. Marrocco and M. Wolkerstorfer and Tomas Nordström and D. Statovci
Year 2011
PublicationType Conference Paper
Conference In Proc. IEEE Global Communications Conference (GLOBECOM), Houston, Texas, USA, December 5-9, 2011.
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Abstract A multi-user signal coordination scheme known as Vectoring will play a crucial role in next generation digital subscriber lines (DSL). Previous studies have demonstrated that vectoring increases the bitrate of DSL systems due to its ability to mitigate the interference. In this work we show how Vectoring improves the energy-efficiency of DSL over state-of-the-art spectrum balancing methods. In addition we investigate the impact of channel-state information errors and low-complexity implementations on the performance of Vectoring. We find that Vectoring yields large energy savings in terms of line-driver power consumption even under high channel estimation errors. © 2011 IEEE.