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MOBISYS
2009
ACM
16 years 7 months ago
R2D2: regulating beam shape and rate as directionality meets diversity
We design, implement, and evaluate a vehicular communication system that improves uplink connectivity through multi-lobe beam pattern switching on a smart antenna. Directionality ...
Kishore Ramachandran, Ravi Kokku, Karthikeyan Sund...
MOBISYS
2008
ACM
16 years 6 months ago
Efficient channel-aware rate adaptation in dynamic environments
Increasingly, 802.11 devices are being used by mobile users. This results in very dynamic wireless channels that are difficult to use efficiently. Current rate selection algorithm...
Glenn Judd, Xiaohui Wang, Peter Steenkiste
MOBISYS
2007
ACM
16 years 6 months ago
Preserving location privacy in wireless lans
The broadcast and tetherless nature of wireless networks and the widespread deployment of Wi-Fi hotspots makes it easy to remotely locate a user by observing her wireless signals....
Tao Jiang, Helen J. Wang, Yih-Chun Hu
MOBISYS
2004
ACM
16 years 6 months ago
Divert: Fine-grained Path Selection for Wireless LANs
The performance of Wireless Local Area Networks (WLANs) often suffers from link-layer frame losses caused by noise, interference, multipath, attenuation, and user mobility. We obs...
Allen K. L. Miu, Godfrey Tan, Hari Balakrishnan, J...
MOBIHOC
2008
ACM
16 years 6 months ago
Using persistent homology to recover spatial information from encounter traces
In order to better understand human and animal mobility and its potential effects on Mobile Ad-Hoc networks and Delay-Tolerant Networks, many researchers have conducted experiment...
Brenton D. Walker