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Communications in Interference Limited Networks

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Release : 2016-02-04
Genre : Technology & Engineering
Kind : eBook
Book Rating : 409/5 ( reviews)

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Book Synopsis Communications in Interference Limited Networks by : Wolfgang Utschick

Download or read book Communications in Interference Limited Networks written by Wolfgang Utschick. This book was released on 2016-02-04. Available in PDF, EPUB and Kindle. Book excerpt: This book offers means to handle interference as a central problem of operating wireless networks. It investigates centralized and decentralized methods to avoid and handle interference as well as approaches that resolve interference constructively. The latter type of approach tries to solve the joint detection and estimation problem of several data streams that share a common medium. In fact, an exciting insight into the operation of networks is that it may be beneficial, in terms of an overall throughput, to actively create and manage interference. Thus, when handled properly, "mixing" of data in networks becomes a useful tool of operation rather than the nuisance as which it has been treated traditionally. With the development of mobile, robust, ubiquitous, reliable and instantaneous communication being a driving and enabling factor of an information centric economy, the understanding, mitigation and exploitation of interference in networks must be seen as a centrally important task.

Secure Communication and Cooperation in Interference-Limited Wireless Networks

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Release : 2015
Genre :
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Secure Communication and Cooperation in Interference-Limited Wireless Networks by : German Bassi

Download or read book Secure Communication and Cooperation in Interference-Limited Wireless Networks written by German Bassi. This book was released on 2015. Available in PDF, EPUB and Kindle. Book excerpt: Dans cette thèse, nous menons une étude dans le cadre de la théorie de l'information sur deux questions importantes de la communication sans fil : l'amélioration du débit de données dans les réseaux avec interférence grâce à la coopération entre utilisateurs et le renforcement de la sécurité des transmissions à l'aide d'un signal de rétroaction.Dans la première partie de la thèse, nous nous concentrons sur le modèle le plus simple qui intègre à la fois l'interférence et la coopération, le canal à relais et interférence ou IRC (Interference Relay Channel). Notre objectif est de caractériser dans un nombre fixe de bits la région de capacité du IRC gaussien. À cette fin, nous dérivons une nouvelle limite supérieure de la capacité et deux stratégies de transmission. La limite supérieure est notamment obtenue grâce à une extension non triviale que nous proposons, de la classe de canaux semi-déterministe et injective à l'origine dérivée par Telatar et Tse pour le canal à interférence.Dans la seconde partie, nous étudions le canal avec espion et rétroaction généralisée ou WCGF (Wiretap Channel with Generalized Feedback). Notre objectif est de développer une stratégie de transmission générale qui englobe les résultats existants pour les différents modèles de rétroaction trouvés dans la littérature. À cette fin, nous proposons deux stratégies de transmission différentes sur la capacité du WCGF sans mémoire. Nous dérivons d'abord une stratégie qui est basée sur le codage source-canal conjoint. Nous introduisons ensuite une seconde stratégie où le signal de rétroaction est utilisé pour générer une clé secrète qui permet de chiffrer le message partiellement ou totalement.

Interference in Large Wireless Networks

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Release : 2009
Genre : Wireless communication systems
Kind : eBook
Book Rating : 984/5 ( reviews)

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Book Synopsis Interference in Large Wireless Networks by : Martin Haenggi

Download or read book Interference in Large Wireless Networks written by Martin Haenggi. This book was released on 2009. Available in PDF, EPUB and Kindle. Book excerpt: Since interference is the main performance-limiting factor in most wireless networks, it is crucial to characterize the interference statistics. The main two determinants of the interference are the network geometry (spatial distribution of concurrently transmitting nodes) and the path loss law (signal attenuation with distance). For certain classes of node distributions, most notably Poisson point processes, and attenuation laws, closed-form results are available, for both the interference itself as well as the signal-to-interference ratios, which determine the network performance. This monograph presents an overview of these results and gives an introduction to the analytical techniques used in their derivation. The node distribution models range from lattices to homogeneous and clustered Poisson models to general motion-invariant ones. The analysis of the more general models requires the use of Palm theory, in particular conditional probability generating functionals, which are briefly introduced in the appendix.

Relay-Aided Communication in Large Interference Limited Wireless Networks

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Release : 2020
Genre : Communication
Kind : eBook
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Book Synopsis Relay-Aided Communication in Large Interference Limited Wireless Networks by : Daniel Papsdorf

Download or read book Relay-Aided Communication in Large Interference Limited Wireless Networks written by Daniel Papsdorf. This book was released on 2020. Available in PDF, EPUB and Kindle. Book excerpt:

Interference Management in Wireless Networks

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Release : 2018-02-22
Genre : Computers
Kind : eBook
Book Rating : 008/5 ( reviews)

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Book Synopsis Interference Management in Wireless Networks by : Venugopal V. Veeravalli

Download or read book Interference Management in Wireless Networks written by Venugopal V. Veeravalli. This book was released on 2018-02-22. Available in PDF, EPUB and Kindle. Book excerpt: Learn about a new, information-theoretic approach to minimizing interference in 5G wireless networks.

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