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Most standard implementations of TCP perform poorly when packets are reordered. In this paper, we propose a new version of TCP that maintains high throughput when reordering occurs and yet, when… (More)
- Jonghyun Kim, Vinay Sridhara, Stephan Bohacek
- Ad Hoc Networks
- 2009
It is a truism that today’s simulations of mobile wireless networks are not realistic. In realistic simulations of urban networks, the mobility of vehicles and pedestrians is greatly influenced by… (More)
- Stephan Bohacek, João Pedro Hespanha, Junsoo Lee, Chansook Lim, Katia Obraczka
- IEEE/ACM Trans. Netw.
- 2006
- Peng Wang, Stephan Bohacek
- IEEE/ACM Transactions on Networking
- 2011
Interference and collisions greatly limit the throughput of mesh networks that use contention-based MAC protocols such as IEEE 802.11. Significantly higher throughput is achievable if transmissions… (More)
- Stephan Bohacek, João Pedro Hespanha, Junsoo Lee, Katia Obraczka
- SIGMETRICS
- 2003
In this paper we present a general hybrid systems modeling framework to describe the flow of traffic in communication networks. To characterize network behavior, these models use averaging to… (More)
In this paper we propose a hybrid model for TCP’s congestion control mechanism operating under drop-tail queuing policy. Using this model we confirmed the standard formula T := 1.23 RTT √ p used by… (More)
- Stephan Bohacek
- INFOCOM
- 2003
A stochastic model of TCP is developed. Unlike many other models, this model accounts for variations in latency and loss probability. A major strength of this model is that it easily produces the… (More)
- Stephan Bohacek, Edmond A. Jonckheere
- IEEE Trans. Automat. Contr.
- 2001
Linear-quadratic controllers for tracking natural and composite trajectories of nonlinear dynamical systems evoluting over compact sets are developed. Typically, such systems exhibit “complicated… (More)
- Stephan Bohacek, K. S. Shah, G. R. Arce, Meredith Davis
- IEEE Signal Processing Magazine
- 2004
The publication of Floyd and Jacobson's seminal paper "Random early detection gateways for congestion avoidance" (1993), marked a new direction in networking research and began what is perhaps the… (More)
- Stephan Bohacek, Peng Wang
- IEEE INFOCOM 2007 - 26th IEEE International…
- 2007
By posing the problem of bandwidth allocation as a constrained maximization problem, it is possible to study various features of optimal bandwidth allocation, and hence the capacity of the network.… (More)