On the self-similar nature of Ethernet traffic
SIGCOMM '93 Conference proceedings on Communications architectures, protocols and applications
An integrated experimental environment for distributed systems and networks
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
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
Analyzing the MAC-level behavior of wireless networks in the wild
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Estimation of link interference in static multi-hop wireless networks
IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
Understanding and mitigating the impact of RF interference on 802.11 networks
Proceedings of the 2007 conference on Applications, technologies, architectures, and protocols for computer communications
Wireless unfairness: alleviate MAC congestion first!
Proceedings of the second ACM international workshop on Wireless network testbeds, experimental evaluation and characterization
A general model of wireless interference
Proceedings of the 13th annual ACM international conference on Mobile computing and networking
MDG: measurement-driven guidelines for 802.11 WLAN design
Proceedings of the 13th annual ACM international conference on Mobile computing and networking
Interference mitigation in enterprise WLANs through speculative scheduling
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
SMARTA: a self-managing architecture for thin access points
CoNEXT '06 Proceedings of the 2006 ACM CoNEXT conference
Harnessing exposed terminals in wireless networks
NSDI'08 Proceedings of the 5th USENIX Symposium on Networked Systems Design and Implementation
Online estimation of RF interference
CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
DIRC: increasing indoor wireless capacity using directional antennas
Proceedings of the ACM SIGCOMM 2009 conference on Data communication
CENTAUR: realizing the full potential of centralized wlans through a hybrid data path
Proceedings of the 15th annual international conference on Mobile computing and networking
PIE in the sky: online passive interference estimation for enterprise WLANs
Proceedings of the 8th USENIX conference on Networked systems design and implementation
Can user-level probing detect and diagnose common home-WLAN pathologies
ACM SIGCOMM Computer Communication Review
Practical conflict graphs for dynamic spectrum distribution
Proceedings of the ACM SIGMETRICS/international conference on Measurement and modeling of computer systems
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In densely packed 802.11 environments, access-point domains significantly overlap and wireless hosts interfere with each other in complex ways. Knowing which devices interfere is an essential first step to minimizing this interference, improving efficiency and delivering quality connectivity throughout the network. This knowledge, however, is extremely difficult to obtain without either taking a running network offline for measurements or having client hosts monitor and report airspace anomalies, something typically outside the control of network administrators. In this paper we describe a technique we have developed to reveal wireless-network interference relationships by examining the network traffic at wired routers that connects wireless domains to the Internet. This approach, which we call VOID (Vvirless Online Interference Detection), searches for correlated throughput changes that occur when traffic from one node causes a throughput drop at other nodes in its radio range. In one analysis round we identify each node's interference neighbours using a single set of performance data collected from a wired-network router. We have evaluated VOID in Emulab testbeds consisting of tens of nodes as well as a six-node testbed in a live wireless network. The initial results have shown the promise of VOID to accurately correlate interfering devices together and effectively discriminate interfering devices from non-interfering ones.