Robust cross layer optimization in relay aided cellular networks

Diogo Quintas*, Vasilis Friderikos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)1361-1373
Number of pages13
Issue number6
Early online date29 Jan 2013
Publication statusPublished - Aug 2013


  • Cellular networks
  • Price of robustness
  • Relay networks
  • Robust optimization
  • Scheduling


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