Alhussein Abouzeid Research:
Systems: Communication Networks; Wireless Ad Hoc and Sensor Networks; Peer-to-Peer Networks.
Applied Theory: Stochastic Processes; Algorithm and Protocol Complexity; Multi-layer Optimization; Information Theory; Queuing Theory.
Project "Queuing": Queuing Theory Analysis of Random Access Ad Hoc and Mesh Networks
Wireless mesh networks, represented for example by the new IEEE 802.16 (WiMAX) standard, are emerging as a promising means of providing connectivity to communities in both affluent and poor parts of the world. They are also proposed as a solution for the last-mile problem, and extending network access to rural areas. They build on the concept of ad-hoc networks, but they also rely on the presence of relatively more capable backbone mesh routers forming a two-level hierarchy, thus allowing mesh networks to have better capacity than infrastructure-less multihop ad hoc networks.
In both types of networks, delay and throughput are two important performance metrics. In this work, we develop a queuing network model for characterizing the average end-to-end delay and maximum stable throughput (per source-destination pair) in ad-hoc and wireless mesh networks that employ random medium access (MAC) schemes. We analyze how the results obtained using the proposed queuing network framework compare against previous information-theoretic results on asymptotic capacity of infrastructure-less ad hoc networks.
N. Bisnik and A.A. Abouzeid, “ICC 2006), Istanbul, Turkey, June 11-15, 2006.,” Proceedings of 2006 IEEE International Conference on Communications (
N. Bisnik and A.A. Abouzeid, “ ,” Proceedings of International Symposium on Wireless Local and Personal Area Networks, International Wireless Communications and Mobile Computing Conference (IWCMC 2006), Vancouver, Canada, July 3-6, 2006.