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TSP
2010
13 years 2 months ago
Mitigating channel estimation error with timing synchronization tradeoff in cooperative communications
Channel estimation error and co-channel interference (CCI) problems are among the main causes of performance degradation in wireless networks. In this paper, we investigate the im...
Ahmed S. Ibrahim, K. J. Ray Liu
SUTC
2006
IEEE
14 years 1 months ago
Energy and Communication Efficient Group Key Management Protocol for Hierarchical Sensor Networks
- In this paper, we describe a group key management protocol for hierarchical sensor networks where instead of using pre-deployed keys, each sensor node generates a partial key dyn...
Biswajit Panja, Sanjay Kumar Madria, Bharat K. Bha...
WIOPT
2005
IEEE
14 years 1 months ago
Iterated Local Optimization for Minimum Energy Broadcast
In our prior work, we presented a highly effective local search based heuristic algorithm called the Largest Expanding Sweep Search (LESS) to solve the minimum energy broadcast (M...
Intae Kang, Radha Poovendran
IPCCC
2005
IEEE
14 years 1 months ago
Dynamic localization control for mobile sensor networks
Localization is a fundamental operation in mobile and self-configuring networks such as sensor networks and mobile ad hoc networks. For example, sensor location is often critical...
Sameer Tilak, Vinay Kolar, Nael B. Abu-Ghazaleh, K...
SIGMETRICS
2011
ACM
229views Hardware» more  SIGMETRICS 2011»
12 years 10 months ago
Model-driven optimization of opportunistic routing
Opportunistic routing aims to improve wireless performance by exploiting communication opportunities arising by chance. A key challenge in opportunistic routing is how to achieve ...
Eric Rozner, Mi Kyung Han, Lili Qiu, Yin Zhang