A control-theoretic approach to flow control
SIGCOMM '91 Proceedings of the conference on Communications architecture & protocols
A high-throughput path metric for multi-hop wireless routing
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
Comparison of routing metrics for static multi-hop wireless networks
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
ExOR: opportunistic multi-hop routing for wireless networks
Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications
Routing stability in static wireless mesh networks
PAM'07 Proceedings of the 8th international conference on Passive and active network measurement
Practical service provisioning for wireless meshes
CoNEXT '07 Proceedings of the 2007 ACM CoNEXT conference
A cross-layer load-independent link cost metric for wireless mesh networks
CoNEXT '07 Proceedings of the 2007 ACM CoNEXT conference
PAM '09 Proceedings of the 10th International Conference on Passive and Active Network Measurement
On the convergence and stability of data-driven link estimation and routing in sensor networks
ACM Transactions on Autonomous and Adaptive Systems (TAAS)
On biased link sampling in data-driven link estimation and routing in low-power wireless networks
Proceedings of the 4th Annual International Conference on Wireless Internet
Practical, distributed channel assignment and routing in dual-radio mesh networks
Proceedings of the ACM SIGCOMM 2009 conference on Data communication
SWARM: the power of structure in community wireless mesh networks
Proceedings of the 5th international conference on Emerging networking experiments and technologies
Correlating wireless link cost metrics to capacity
WONS'09 Proceedings of the Sixth international conference on Wireless On-Demand Network Systems and Services
CCACK: efficient network coding based opportunistic routing through cumulative coded acknowledgments
INFOCOM'10 Proceedings of the 29th conference on Information communications
Designing coded feedback for efficient network coding based opportunistic routing
ACM SIGMOBILE Mobile Computing and Communications Review
OLSR-aware channel access scheduling in wireless mesh networks
Journal of Parallel and Distributed Computing
SWARM: the power of structure in community wireless mesh networks
IEEE/ACM Transactions on Networking (TON)
Efficient network-coding-based opportunistic routing through cumulative coded acknowledgments
IEEE/ACM Transactions on Networking (TON)
What is wrong with broadcast probing based ETX estimation for wireless links?
Proceedings of the 10th ACM international symposium on Mobility management and wireless access
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Multi-hop wireless mesh networks are increasingly being deployed for last-mile Internet access. Typically, network algorithms such as routing, channel assignment and topology control for such networks rely heavily on metrics that intend to capture link "quality" across the network. However, the underlying dynamics of the proposed link metrics themselves have not yet been studied in detail. In this paper, we study the dynamics of the most popular link metrics in real network deployments. Using two wireless mesh testbeds, we measure a number of link metrics across different hardware platforms and network environments. The collected measurements allow us to study the stability and sensitivity of the different metrics to various conditions. Our study provides several insights and future research directions on how network algorithms need to adapt to link dynamics as well as how popular and widely used link metrics can be improved.