Theoretical Maximum Throughput of IEEE 802.11 and its Applications
NCA '03 Proceedings of the Second IEEE International Symposium on Network Computing and Applications
Enhancing TCP fairness in ad hoc wireless networks using neighborhood RED
Proceedings of the 9th annual international conference on Mobile computing and networking
Link-level measurements from an 802.11b mesh network
Proceedings of the 2004 conference on Applications, technologies, architectures, and protocols for computer communications
Routing in multi-radio, multi-hop wireless mesh networks
Proceedings of the 10th annual international conference on Mobile computing and networking
Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing
Design and evaluation of a new MAC protocol for long-distance 802.11 mesh networks
Proceedings of the 11th annual international conference on Mobile computing and networking
Modeling media access in embedded two-flow topologies of multi-hop wireless networks
Proceedings of the 11th annual international conference on Mobile computing and networking
Ad Hoc Probe: Path Capacity Probing in Wireless Ad Hoc Networks
WICON '05 Proceedings of the First International Conference on Wireless Internet
Determining the end-to-end throughput capacity in multi-hop networks: methodology and applications
SIGMETRICS '06/Performance '06 Proceedings of the joint international conference on Measurement and modeling of computer systems
Measurement-based models of delivery and interference in static wireless networks
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Long-distance 802.11b links: performance measurements and experience
Proceedings of the 12th annual international conference on Mobile computing and networking
Hop-by-hop congestion control over a wireless multi-hop network
IEEE/ACM Transactions on Networking (TON)
Estimation of link interference in static multi-hop wireless networks
IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
Exploiting the capture effect for collision detection and recovery
EmNets '05 Proceedings of the 2nd IEEE workshop on Embedded Networked Sensors
A general model of wireless interference
Proceedings of the 13th annual ACM international conference on Mobile computing and networking
A measurement-based approach to modeling link capacity in 802.11-based wireless networks
Proceedings of the 13th annual ACM international conference on Mobile computing and networking
Interference map for 802.11 networks
Proceedings of the 7th ACM SIGCOMM conference on Internet measurement
FreeMAC: framework for multi-channel mac development on 802.11 hardware
Proceedings of the ACM workshop on Programmable routers for extensible services of tomorrow
Predictable performance optimization for wireless networks
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
Horizon: balancing tcp over multiple paths in wireless mesh network
Proceedings of the 14th ACM international conference on Mobile computing and networking
Understanding congestion control in multi-hop wireless mesh networks
Proceedings of the 14th ACM international conference on Mobile computing and networking
Online estimation of RF interference
CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
Performance analysis of the IEEE 802.11 distributed coordination function
IEEE Journal on Selected Areas in Communications
IEEE Journal on Selected Areas in Communications
Enhance & explore: an adaptive algorithm to maximize the utility of wireless networks
MobiCom '11 Proceedings of the 17th annual international conference on Mobile computing and networking
Understanding and tackling the root causes of instability in wireless mesh networks
IEEE/ACM Transactions on Networking (TON)
Measurement-driven modeling of transmission coordination for 802.11 online
IEEE/ACM Transactions on Networking (TON)
Optimal multipath forwarding in planned Wireless Mesh Networks
Computer Communications
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802.11 wireless mesh networks are ubiquitous, but suffer from severe performance degradations due to poor synergy between the 802.11 CSMA MAC protocol and higher layers. Several solutions have been proposed that either involve significant modifications to the 802.11 MAC or legacy higher layer protocols, or rely on 802. MAC models seeded with off-line measurements performed during network downtime. We introduce a technique for online optimization of 802.11 wireless mesh networks using rate control at the network layer. The technique is based on a lightweight model that characterizes the feasible rates region of an operational 802.11 wireless mesh network. Unlike existing 802.11 modeling approaches, the parameters of this model can be estimated online, incur minimal overhead and can be realized using standard probing mechanisms at the network layer. Using analysis and extensive measurements over a wireless mesh network testbed, we validate the assumptions on which the model is built, and explain the principles behind the choice and estimation of its parameters. The benefits of the model and its solution in terms of fairness, throughput and stability are demonstrated operationally for a range of multi-hop topologies and configurations.