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Communication Dans Un Congrès Année : 2010

Robustness of blind subspace based techniques using lp quasi-norms

Résumé

It has been very recently noted that it is possible to recover the blind channel estimate in case of channel order overmodeling by using ℓp quasi norms. But, to the best of our knowledge, there is, until now, no theoretical results that investigate this issue. In this paper, we propose to study the robustness of subspace blind methods using ℓp quasi-norms in the noiseless case and for nonsparse channels. More particularly, we provide conditions that ensures channel identifiability and study their frequency of occurence with respect to the system parameters.
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Dates et versions

hal-00504770 , version 1 (21-07-2010)

Identifiants

  • HAL Id : hal-00504770 , version 1

Citer

Abla Kammoun, Abdeldjalil Aissa El Bey, Karim Abed-Meraim, Sofiene Affes. Robustness of blind subspace based techniques using lp quasi-norms. SPAWC 2010 : 11th IEEE International Workshop on Signal Processing Advances in Wireless Communications, Jun 2010, Marrakech, Morocco. ⟨hal-00504770⟩
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