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Communication Dans Un Congrès Année : 2014

Dirty-paper coding techniques for compound miso broadcast channels: A DoF analysis

Résumé

This work investigates optimal Degrees of Freedom (DoF) achieving schemes for the MISO Compound Broadcast Channels (BC) where a source is equipped with M antennas, and communicates with 2 single antennas receivers. We develop a modified Dirty Paper Coding scheme that yields the optimal DoF for some Compound MISO BCs in the complex field. This coding scheme offers a “non-linear” alternative to interference alignment at the receivers which yields higher rates in the finite ranges of power. For asymptotic power regimes, it allows for fractional DoF of 1/2, while being of simple formulation and straightforward application to secondary transmissions in Compound Cognitive networks.
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Dates et versions

hal-01087184 , version 1 (25-11-2014)

Identifiants

  • HAL Id : hal-01087184 , version 1

Citer

Meryem Benammar, Pablo Piantanida, S. Shamai. Dirty-paper coding techniques for compound miso broadcast channels: A DoF analysis. CROWNCOM 2014, Jun 2014, Oulu, Finland. pp.442 - 447. ⟨hal-01087184⟩
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