Efficient Design of IEEE 802.11e Wireless Access Networks

A Research and Development project funded by the General Secreteriat for Research and Technology (GSRT), Greek-USA Cooperation 2005-2007 from 1 January 2007 until 31 March 2008.
Organisations: FORTH, AUEB, Univ. of California – Berkeley


Wireless multi-hop mesh networks have huge potential for offering generalized and affordable broadband access in rural areas and densely populated urban areas, without requiring any prior infrastructure. In the recent years cross-layering has emerged as a key design approach to overcome performance problems that might arise with the strict layered design, due to specific characteristics of wireless networks such as time- and location-dependent bursty errors and contention. The objective of this project is to investigate, implement, and evaluate routing protocols for wireless mesh networks based on cross-layer design. To overcome the potential complexity of cross-layer design, we will maintain the layer separation principle, but introduce standardised and general mechanisms to enable information sharing between the routing layer, and the higher and lower layers. Finally, the routing protocols will be implemented and evaluated in both a local and a metropolitan area test-bed environment, under realistic traffic that includes both Internet access and realtime applications (streaming video and voice-over-IP).


  • Vasilios Siris, ICS-FORTH
  • Ioannis Koukoutsidis (until 3/2007)
  • Kostas Mathioudakis
  • Manolis Ntelakis
  • Nikolaos Petroulakis

Related Papers

  • V.A. Siris and C. Courcoubetis, “Resource Control for the EDCA and HCCA Mechanisms in IEEE 802.11e Networks”. In Proc. of 4th Int’l Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt’06), Boston, USA, April 2006.
  • V.A. Siris and C. Courcoubetis, “Resource Control for the EDCA Mechanism in Multi-rate IEEE 802.11e Networks”. In Proc. of IEEE Int’l Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM’06), Niagara Falls, NY, USA, June 2006.
  • V.A. Siris and G. Stamatakis, “Optimal CWmin Selection for Achieving Proportional Fairness in Multi-rate 802.11e WLANs: Test-bed Implementation and Evaluation”. In Proc. of 1st ACM Int’l Workshop on Wireless Network Testbeds, Experimental evaluation and CHaracterization (WiNTECH’06), held in conjunction with ACM MOBICOM’06, Los Angeles, USA, September 2006.
  • V.A. Siris and D. Evaggelatou, “Access Point Selection for Improving Throughput Fairness in Wireless LANs”. In Proc. of 10th IFIP/IEEE Symposium on Integrated Management, Munich, Germany, May 2007.
  • Y. Koukoutsidis and V. A. Siris, “Modeling Approximations for an IEEE 802.11 WLAN under Poisson MAC-Level Arrivals”. In Proc. of IFIP Networking 2007, Atlanta, USA, May 2007.
  • Y. Koukoutsidis and V. A. Siris, “802.11e EDCA Protocol Parameterization: A Modeling and Optimization Study”, In Proc. of IEEE Int’l Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM), Helsinki, Finland, June 2007.

For more info: Vasilios Siris Tel: +30 2810 391726 Email: vsiris "at" ics "dot" forth "dot" gr