Columbia University Joint CS/EE Networking Seminar Series


Understanding Fairness Limitations of Wireless LANs

Dr. Yigal Bejerano

Alcatel Lucent Bell Labs

Monday, March 31st, 2014  2PM

CEPSR 414



Abstract: EEE 802.11 wireless LANs (WLANs) have been rapidly deployed all over the world at numerous cities, enterprises and universities. These networks provide high bandwidth to mobile users by deploying low-cost wireless access points. Today, billions of mobile devices use IEEE 802.11 technology for numerous applications. In spite of their success, WLANs suffer from several serious shortcomings, including lack of fair service and inability to provide quality of service (QoS) guarantees to real-time (RT) applications. In this talk, I will show the fairness limitations of WLANS with simple examples and discuss the challenges of providing fairness as well as QoS support in WLANs without changing the standard.

Bio: Yigal Bejerano is currently a member of the technical staff (MTS) at Bell Laboratories, Alcatel-Lucent. He received his B.Sc. in Computer Engineering in 1991 (summa cum laude) , his M.Sc. in Computer Science in 1995, and his Ph.D. in Electrical Engineering in 2000, from the Technion - Israel Institute of Technology, Haifa, Israel. His research interests include management aspects of high-speed and wireless networks. He holds over 60 filed and pending patent applications and he has published over 50 peer-reviewed research papers at the leading conferences and journals of the networking community. Dr. Bejerano is on the technical program committee (TPC) of numerous conferences and serves as an associate editor of the ACM/IEEE Transactions on Networking.