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Entropy 2012, 14(10), 1813-1828; doi:10.3390/e14101813
Article

Network Coding for Line Networks with Broadcast Channels

1
 and
2
1 Institute for Communications Engineering, Technische Universit√§t M√ľnchen, 80333 Munich, Germany 2 Corporate R&D, Qualcomm, San Diego, CA 92121, USA
* Author to whom correspondence should be addressed.
Received: 26 July 2012 / Revised: 7 September 2012 / Accepted: 18 September 2012 / Published: 28 September 2012
(This article belongs to the Special Issue Information Theory Applied to Communications and Networking)
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Abstract

An achievable rate region for line networks with edge and node capacity constraints and broadcast channels (BCs) is derived. The region is shown to be the capacity region if the BCs are orthogonal, deterministic, physically degraded, or packet erasure with one-bit feedback. If the BCs are physically degraded with additive Gaussian noise then independent Gaussian inputs achieve capacity.
Keywords: broadcast channels; capacity; network coding; relay channels broadcast channels; capacity; network coding; relay channels
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Kramer, G.; Yazdi, S.M.T. Network Coding for Line Networks with Broadcast Channels. Entropy 2012, 14, 1813-1828.

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