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ICDE
2008
IEEE
161views Database» more  ICDE 2008»
16 years 7 months ago
COLR-Tree: Communication-Efficient Spatio-Temporal Indexing for a Sensor Data Web Portal
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
Yanif Ahmad, Suman Nath
MOBIHOC
2008
ACM
16 years 5 months ago
Energy efficient multi-path communication for time-critical applications in underwater sensor networks
Due to the long propagation delay and high error rate of acoustic channels, it is very challenging to provide reliable data transfer for time-critical applications in an energy-ef...
Zhong Zhou, Jun-Hong Cui
SODA
2010
ACM
135views Algorithms» more  SODA 2010»
16 years 3 months ago
Probabilistic Analysis of the Semidefinite Relaxation Detector in Digital Communications
We consider the problem of detecting a vector of symbols that is being transmitted over a fading multiple?input multiple?output (MIMO) channel, where each symbol is an ?th root of...
Anthony Man-Cho So
LCN
2006
IEEE
16 years 4 days ago
Optimal Multi-hop Cellular Architecture for Wireless Communications
Multi-hop relaying is an important concept in future generation wireless networks. It can address the inherent problems of limited capacity and coverage in cellular networks. Howe...
Yik Hung Tam, Hossam S. Hassanein, Selim G. Akl, R...
161
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ADHOCNOW
2006
Springer
16 years 3 days ago
Power-Aware Rate Control for Mobile Multimedia Communications
Consumers increasingly demand high quality of service (QoS) for multimedia applications. Rate control scheme is one of the major methods that provide high video quality for mobile ...
Hye-Soo Kim, Dinh Duong, Jae-Yun Jeong, Byoung-Kyu...