The Capacity Region of Classes of Product Broadcast Channels

The authors 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. Their example is comprised of a product broadcast channel with two semi-deterministic components in reverse orientation.

Provided by: The China Press Berhad Topic: Networking Date Added: May 2011 Format: PDF

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