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» Approximation schemes for wireless networks
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WWIC
2004
Springer
139views Communications» more  WWIC 2004»
15 years 3 months ago
A Scalable and Adaptive Key Management Protocol for Group Communication
Abstract. Multicasting is increasingly used as an efficient communication mechanism for group-oriented applications in the Internet. In order to offer secrecy for multicast applic...
Yacine Challal, Hatem Bettahar, Abdelmadjid Bouabd...
CSE
2009
IEEE
15 years 1 months ago
A Distributed Reservation Protocol for Collision-Free Three-Hop Mobility Support in WiMedia MAC
A Distributed Medium Access Control (D-MAC) protocol has been proposed to support high-rate Wireless Personal Area Networks (HR-WPANs) by the WiMedia Alliance. The WiMedia D-MAC s...
Jin-Woo Kim, Kyeong Hur, Kwang-il Hwang, Doo Seop ...
ICASSP
2011
IEEE
14 years 1 months ago
Cooperative spectrum sensing based on matrix rank minimization
In cognitive radio (CR) networks, multi-CR cooperation typically takes place during spectrum sensing, to cope with wireless fading effects and the hidden terminal problem. The use...
Yue Wang, Zhi Tian, Chunyan Feng
TSP
2010
14 years 4 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
FOCS
2009
IEEE
15 years 4 months ago
Reducibility among Fractional Stability Problems
— In a landmark paper [32], Papadimitriou introduced a number of syntactic subclasses of TFNP based on proof styles that (unlike TFNP) admit complete problems. A recent series of...
Shiva Kintali, Laura J. Poplawski, Rajmohan Rajara...