The capacity region of classes of product broadcast channels
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2011
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| _version_ | 1866917370353680384 |
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| author | Geng, Yanlin Gohari, Amin Nair, Chandra Yu, Yuanming |
| author_facet | Geng, Yanlin Gohari, Amin Nair, Chandra Yu, Yuanming |
| contents | We establish a new outer bound for the capacity region of product broadcast channels. This outer bound matches Marton's inner bound for a variety of classes of product broadcast channels whose capacity regions were previously unknown. These classes include product of reversely semi-deterministic and product of reversely more-capable channels. A significant consequence of this new outer bound is that it establishes, via an example, that the previously best known outer-bound is strictly suboptimal for the general broadcast channel. Our example is comprised of a product broadcast channel with two semi-deterministic components in reverse orientation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1105_5438 |
| institution | arXiv |
| publishDate | 2011 |
| record_format | arxiv |
| spellingShingle | The capacity region of classes of product broadcast channels Geng, Yanlin Gohari, Amin Nair, Chandra Yu, Yuanming Information Theory We establish a new outer bound for the capacity region of product broadcast channels. This outer bound matches Marton's inner bound for a variety of classes of product broadcast channels whose capacity regions were previously unknown. These classes include product of reversely semi-deterministic and product of reversely more-capable channels. A significant consequence of this new outer bound is that it establishes, via an example, that the previously best known outer-bound is strictly suboptimal for the general broadcast channel. Our example is comprised of a product broadcast channel with two semi-deterministic components in reverse orientation. |
| title | The capacity region of classes of product broadcast channels |
| topic | Information Theory |
| url | https://arxiv.org/abs/1105.5438 |