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TWC
2010
15 years 1 months ago
Stability analysis for cognitive radio with multi-access primary transmission
Abstract--This letter analyzes the impact, from a networklayer perspective, of having a single cognitive radio transmitterreceiver pair share the spectrum with multiple primary use...
Ioannis Krikidis, Natasha Devroye, John S. Thompso...
TWC
2010
15 years 1 months ago
On the Efficacy of Frequency Hopping in Coping with Jamming Attacks in 802.11 Networks
Abstract--Frequency hopping (FH) has been the most popularly considered approach for alleviating the effects of jamming attacks. We re-examine, the efficacy of FH based on both exp...
Konstantinos Pelechrinis, Christos Koufogiannakis,...
ICASSP
2011
IEEE
14 years 10 months ago
Space-time beamforming for multiuser wireless relay networks
Abstract—The paper is concerned with a multiuser communication network, which is assisted by multiple relays. It has been observed through our previous related works that the con...
Anh H. Phan, Hoang Duong Tuan, Ha Hoang Kha
CONSTRAINTS
2011
14 years 10 months ago
CP and IP approaches to cancer radiotherapy delivery optimization
Abstract. We consider the problem of decomposing an integer matrix into a positively weighted sum of binary matrices that have the consecutive-ones property. This problem is well-k...
Davaatseren Baatar, Natashia Boland, Sebastian Bra...
SIAMSC
2011
140views more  SIAMSC 2011»
14 years 9 months ago
A Fast Parallel Algorithm for Selected Inversion of Structured Sparse Matrices with Application to 2D Electronic Structure Calcu
Abstract. An efficient parallel algorithm is presented and tested for computing selected components of H−1 where H has the structure of a Hamiltonian matrix of two-dimensional la...
Lin Lin, Chao Yang, Jianfeng Lu, Lexing Ying, Wein...