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Erschienen in: Wireless Networks 6/2013

01.08.2013

Robust cross layer optimization in relay aided cellular networks

verfasst von: Diogo Quintas, Vasilis Friderikos

Erschienen in: Wireless Networks | Ausgabe 6/2013

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Abstract

A robust optimization framework for cross layer optimization is proposed to deal with time varying channels, reducing the required channel state feedback overhead and giving strong QoS guarantees. Lower bounds for the achieved goodput when robust scheduling is used are derived and through simulation we study the impact in terms of blocked calls and QoS achieved by the robust solution for two different cell topology layouts: when 2-hop relaying is allowed and when only direct base station to user transmissions are allowed. The results reveal that the price of robustness is lower for the 2-hop case than the single hop case.

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Fußnoten
1
When using link adaptation or power control this may be decided at the access node; in which case stronger QoS guarantees may be given, but maintaining an high overhead between transmitter and receiver.
 
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Metadaten
Titel
Robust cross layer optimization in relay aided cellular networks
verfasst von
Diogo Quintas
Vasilis Friderikos
Publikationsdatum
01.08.2013
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 6/2013
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-012-0538-9

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