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Planned Versus Ad-Hoc Deployment of Fixed Amplify-and-Forward Relays
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. (Radio Communication Systems)
2006 (English)Conference paper (Refereed)
Abstract [en]

A previous study of the last-mile cost of a hybridcellular-relaying architecture [1], used for downlink coverage, hasshown that the ad-hoc (random) deployment of fixed relays maylead to some cost gains over the purely cellular system, but thatthese gains are strongly dependent on the unit costs. This paperstudies the benefits of using planned relay deployment, modeledby a pruning algorithm. As expected, the use of planned relaysenhances the feasibility of the hybrid architecture with respectto the cellular one. However, the ad-hoc deployment may stillbe feasible, in case the planning costs exceed the savings fromthe reduced number of units. For the hypothetical unit costsconsidered in the numerical examples, the ad-hoc deployment ispreferred if the base stations are of micro-type and the planningcosts exceed 5 keuro per km2.

Place, publisher, year, edition, pages
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Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-29808OAI: diva2:398159
Swedish Workshop on Wireless Ad-hoc Networks
QC 20110217Available from: 2011-02-16 Created: 2011-02-16 Last updated: 2011-02-17Bibliographically approved

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Timus, Bogdan
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