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SIGCOMM
2004
ACM
15 years 9 months ago
Link-level measurements from an 802.11b mesh network
This paper analyzes the causes of packet loss in a 38-node urban multi-hop 802.11b network. The patterns and causes of loss are important in the design of routing and errorcorrect...
Daniel Aguayo, John C. Bicket, Sanjit Biswas, Glen...
MOBIHOC
2003
ACM
16 years 3 months ago
ATP: a reliable transport protocol for ad-hoc networks
Existing works have approached the problem of reliable transport in ad-hoc networks by proposing mechanisms to improve TCP's performance over such networks. In this paper we ...
Karthikeyan Sundaresan, Vaidyanathan Anantharaman,...
SIGCOMM
2009
ACM
15 years 10 months ago
White space networking with wi-fi like connectivity
Networking over UHF white spaces is fundamentally different from conventional Wi-Fi along three axes: spatial variation, temporal variation, and fragmentation of the UHF spectrum....
Paramvir Bahl, Ranveer Chandra, Thomas Moscibroda,...
CORR
2010
Springer
132views Education» more  CORR 2010»
15 years 1 months ago
New Frontiers of Network Security: The Threat Within
Nearly 70% of information security threats originate from inside the organization. The instances of insider threats have been increasing at an alarming rate with the latest trends ...
Sugata Sanyal, Ajit Shelat, Amit Gupta
JSAC
2011
215views more  JSAC 2011»
14 years 11 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su