Some results on the scalar Gaussian interference channel
| Autor: | Sida Liu, Chandra Nair, Salman Beigi, Mehdi Yazdanpanah |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Mathematical optimization
060102 archaeology Gaussian Mathematical analysis Scalar (mathematics) 020206 networking & telecommunications 06 humanities and the arts 02 engineering and technology Interference (wave propagation) Gaussian random field Discontinuity (linguistics) symbols.namesake Additive white Gaussian noise 0202 electrical engineering electronic engineering information engineering symbols Gaussian function 0601 history and archaeology Computer Science::Information Theory Communication channel Mathematics |
| Zdroj: | ISIT |
| DOI: | 10.1109/isit.2016.7541689 |
| Popis: | We study the optimality of Gaussian signaling (with power control) for the two-user scalar Gaussian interference channel. The capacity region is shown to exhibit a discontinuity of slope around the sum-rate point for a subset of the very weak interference channel. We also show that using colored Gaussians (multi-letter) does not improve on the single-letter region of Gaussian signaling with power control. Finally, we also present an approach to test the optimality of Gaussian signaling motivated by some calculations of the slope of Han-Kobayashi region near the corner point of the Z-interference channel. |
| Databáze: | OpenAIRE |
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