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Roger Karrer's Publications

Challenges in Second-Generation Wireless Mesh Networks
Citation key PKH-C2GWMN-08
Author Karrer, Roger and Pescapé, Antonio and Hühn, Thomas
Year 2008
ISSN 1687-1472
Online ISSN 1687-1499
DOI http://dx.doi.org/10.1155/2008/274790
Address New York, NY, USA
Journal EURASIP Journal on Wireless Communications and Networking
Volume 2008
Month August
Note Article ID 274790, 10 pages
Publisher Hindawi Publishing Corporation
Abstract Wireless mesh networks have the potential to provide ubiquitous high-speed Internet access at low costs. The good news is that initial deployments of WiFi meshes show the feasibility of providing ubiquitous Internet connectivity. However, their performance is far below the necessary and achievable limit. Moreover, users subscription in the existing meshes is dismal even though the technical challenges to get connectivity are low. This paper provides an overview of the current status of mesh networks deployment and highlights the technical, economical and social challenges that need to be addressed in the next years. As proof of principle study, we discuss the above mentioned challenges with reference to three real networks: (i) MagNets, an operator-driven planned two-tier mesh network; (ii) Berlin Freifunk network as a pure community-driven, single-tier network; (iii) Weimar Freifunk network, also a community-driven but two-tier network.
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