Simplified power allocation and TX/RX structure for MIMO-DSL

  • Cendrillon R
  • Moonen M
  • Suciu R
 et al. 
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Abstract

We investigate power allocation and crosstalk cancellation for MIMO-DSL (a.k.a. bonded-DSL) systems. Exploiting a property of the DSL channel, namely column-wise diagonal dominance, allows us to simplify the power allocation and crosstalk cancellation problems. This leads to a significant reduction in initialisation and run-time complexity whilst maintaining near-optimal performance. We. develop a bound which relates the deviation of the simplified power allocation to the degree of column-wise diagonal dominance. Reliable transmission at near-capacity data-rates is also demonstrated through simulation.

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Authors

  • R. Cendrillon

  • M. Moonen

  • R. Suciu

  • G. Ginis

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