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ICASSP
2011
IEEE
14 years 10 months ago
Pilot optimization for time-delay and channel estimation in OFDM systems
Orthogonal frequency division multiplexing (OFDM) communication systems require accurate estimation of timing offset and channel impulse response in order to achieve desirable per...
Michael D. Larsen, Gonzalo Seco-Granados, A. Lee S...
CISS
2010
IEEE
14 years 10 months ago
Minimum cost optimization of multicast wireless networks with network coding
— Minimum cost optimization for multicast with network coding has attracted great research interests. In this paper, based on an information model that differentiates intermediat...
Chengyu Xiong, Xiaohua Li
CTRSA
2011
Springer
243views Cryptology» more  CTRSA 2011»
14 years 10 months ago
Better Key Sizes (and Attacks) for LWE-Based Encryption
We analyze the concrete security and key sizes of theoretically sound lattice-based encryption schemes based on the “learning with errors” (LWE) problem. Our main contribution...
Richard Lindner, Chris Peikert
DAIS
2011
14 years 10 months ago
Modeling the Performance of Ring Based DHTs in the Presence of Network Address Translators
Abstract. Dealing with Network Address Translators (NATs) is a central problem in many peer-to-peer applications on the Internet today. However, most analytical models of overlay n...
John Ardelius, Boris Mejías
INFOCOM
2011
IEEE
14 years 10 months ago
Modeling residual-geometric flow sampling
Abstract—Traffic monitoring and estimation of flow parameters in high speed routers have recently become challenging as the Internet grew in both scale and complexity. In this ...
Xiaoming Wang, Xiaoyong Li, Dmitri Loguinov