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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...
SIGMOD
2009
ACM
220views Database» more  SIGMOD 2009»
16 years 6 months ago
Keyword search in databases: the power of RDBMS
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
Lu Qin, Jeffrey Xu Yu, Lijun Chang
SIGMOD
2007
ACM
149views Database» more  SIGMOD 2007»
16 years 6 months ago
Mobile and embedded databases
Recent advances in device technology and connectivity have paved the way for next generation applications that are data-driven, where data can reside anywhere, can be accessed at ...
Anil Nori
MOBISYS
2006
ACM
16 years 6 months ago
Improved access point selection
This paper presents Virgil, an automatic access point discovery and selection system. Unlike existing systems that select access points based entirely on received signal strength,...
Anthony J. Nicholson, Yatin Chawathe, Mike Y. Chen...
MOBIHOC
2008
ACM
16 years 6 months ago
The networking shape of vehicular mobility
Mobility is the distinguishing feature of vehicular networks, affecting the evolution of network connectivity over space and time in a unique way. Connectivity dynamics, in turn, ...
Marco Fiore, Jérôme Härri