Impact of interference in coexisting wireless networks with applications to arbitrarily varying bidirectional broadcast channels
type: Item
instance of: scholarly article
title: Impact of interference in coexisting wireless networks with applications to arbitrarily varying bidirectional broadcast channels
zbMATH Open document ID: 1314.94009
author: Rafael F. Wyrembelski
author: Holger Boche
published in: Entropy
publication date: 2014-09-08T00:00:00Z
review text: Summary: The paradigm shift from an exclusive allocation of frequency bands, one for each system, to a shared use of frequencies comes along with the need of new concepts since interference will be an ubiquitous phenomenon. In this paper, we use the concept of \textit{arbitrarily varying channels} to model the impact of unknown interference caused by coexisting wireless systems which operate on the same frequencies. Within this framework, capacity can be zero if pre-specified encoders and decoders are used. This necessitates the use of more sophisticated coordination schemes where the choice of encoders and decoders is additionally coordinated based on common randomness. As an application we study the \textit{arbitrarily varying bidirectional broadcast channel} and derive the capacity regions for different coordination strategies. This problem is motivated by decode-and-forward bidirectional or two-way relaying, where a relay establishes a bidirectional communication between two other nodes while sharing the resources with other coexisting wireless networks.
Mathematics Subject Classification ID: 94A05
Mathematics Subject Classification ID: 94A40
zbMATH DE Number: 6341024
zbMATH Keywords: unknown interference
zbMATH Keywords: arbitrarily varying channel
zbMATH Keywords: bidirectional relaying
zbMATH Keywords: bidirectional broadcast channel
zbMATH Keywords: input and state constraints
zbMATH Keywords: capacity region
zbMATH Keywords: coexisting networks
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.3390/e14081357
OpenAlex ID: W2121558754
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DOI: 10.3390/E14081357
description: scientific article; zbMATH DE number 6341024