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GLOBECOM
2007
IEEE
14 years 3 months ago
Probabilistic-Based Rate Adaptation for IEEE 802.11 WLANs
— Collision awareness has been recognized as a critical component for effective rate adaptation schemes. Recently, several collision-aware rate adaptation schemes have been propo...
Xi Chen, Daji Qiao, Jeonggyun Yu, Sunghyun Choi
JPDC
2007
112views more  JPDC 2007»
13 years 8 months ago
CHEMAS: Identify suspect nodes in selective forwarding attacks
Selective forwarding attacks may corrupt some mission-critical applications such as military surveillance and forest fire monitoring in wireless sensor networks. In such attacks,...
Bin Xiao, Bo Yu, Chuanshan Gao
SASN
2005
ACM
14 years 2 months ago
Key distribution and update for secure inter-group multicast communication
Group communication has become an important component in wireless networks. In this paper, we focus on the environments in which multiple groups coexist in the system, and both in...
Weichao Wang, Bharat K. Bhargava
SODA
2003
ACM
119views Algorithms» more  SODA 2003»
13 years 10 months ago
Simultaneous optimization for concave costs: single sink aggregation or single source buy-at-bulk
We consider the problem of finding efficient trees to send information from k sources to a single sink in a network where information can be aggregated at intermediate nodes in t...
Ashish Goel, Deborah Estrin
TIT
2008
141views more  TIT 2008»
13 years 8 months ago
Dimensionality Reduction for Distributed Estimation in the Infinite Dimensional Regime
Distributed estimation of an unknown signal is a common task in sensor networks. The scenario usually envisioned consists of several nodes, each making an observation correlated wi...
Olivier Roy, Martin Vetterli