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arxiv: 1101.0640 · v1 · pith:PWE4NIQUnew · submitted 2011-01-04 · 💻 cs.IT · math.IT

A note on outer bounds for broadcast channel

classification 💻 cs.IT math.IT
keywords boundouternoteabsenceboundsbroadcastchannelcomputable
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In this note we establish two facts concerning the so-called {\em New-Jersey} outer bound. We show that this outer bound is equivalent to a much simpler {\em computable} region; and secondly we show that in the absence of private information this bound is exactly same as the $UV$-outerbound.

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  1. The Capacity Region for Classes of Sum-Broadcast Channels

    cs.IT 2026-06 unverdicted novelty 7.0

    Capacity region of sum-broadcast channels with degraded/less-noisy/etc. components equals the auxiliary-receiver outer bound matched to Marton's inner bound, generalizing El Gamal 1980.