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Showing 2017 · cs.ITShow all
3 papers · 2 filters
cs.IT2017★ 1 cited
t-Private Information Retrieval Schemes Using Transitive Codes
Ragnar Freij-Hollanti, Oliver W. Gnilke, Camilla Hollanti +3
This paper presents private information retrieval (PIR) schemes for coded storage with colluding servers, which are not restricted to maximum distance separable (MDS) codes. PIR sc…
cs.IT2017
Improved User-Private Information Retrieval via Finite Geometry
Oliver Gnilke, Marcus Greferath, Camilla Hollanti +3
In a User-Private Information Retrieval (UPIR) scheme, a set of users collaborate to retrieve files from a database without revealing to observers which participant in the scheme r…
cs.IT2017
Lattice coding for Rician fading channels from Hadamard rotations
Alex Karrila, Niko R. Väisänen, David Karpuk +1
In this paper, we study lattice coding for Rician fading wireless channels. This is motivated in particular by preliminary studies suggesting the Rician fading model for millimeter…