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GLOBECOM
2010
IEEE
14 years 7 months ago
Space-Time Network Codes Utilizing Transform-Based Coding
Abstract-- Cooperative communications can be used to improve communication reliability. However, the transmissions from different relaying nodes result in a great challenge in prac...
Hung-Quoc Lai, Zhenzhen Gao, K. J. Ray Liu
ISCAS
2008
IEEE
113views Hardware» more  ISCAS 2008»
15 years 4 months ago
Gramian-preserving frequency transformation for linear discrete-time systems using normalized lattice structure
Abstract— This paper presents a new algorithm for realization of Gramian-preserving frequency transformation for linear discrete-time systems. In the proposed algorithm, we const...
Shunsuke Koshita, Satoru Tanaka, Masahide Abe, Mas...
ICASSP
2011
IEEE
14 years 1 months ago
Applications of short space-time fourier analysis in digital acoustics
This paper presents a signal processing tool for analyzing and manipulating digitized acoustic wave fields, based on a spatio-temporal extension of the time–frequency represent...
Francisco Pinto, Martin Vetterli
FOCS
2007
IEEE
15 years 4 months ago
Non-Linear Index Coding Outperforming the Linear Optimum
The following source coding problem was introduced by Birk and Kol: a sender holds a word x ∈ {0, 1}n , and wishes to broadcast a codeword to n receivers, R1, . . . , Rn. The re...
Eyal Lubetzky, Uri Stav