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

Abstract : 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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Conference papers
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https://hal-supelec.archives-ouvertes.fr/hal-01087184
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Submitted on : Tuesday, November 25, 2014 - 3:17:12 PM
Last modification on : Thursday, March 29, 2018 - 11:06:05 AM

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  • HAL Id : hal-01087184, version 1

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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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