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TIT
2008
224views more  TIT 2008»
13 years 7 months ago
Graph-Based Semi-Supervised Learning and Spectral Kernel Design
We consider a framework for semi-supervised learning using spectral decomposition-based unsupervised kernel design. We relate this approach to previously proposed semi-supervised l...
Rie Johnson, Tong Zhang
TIT
2008
82views more  TIT 2008»
13 years 7 months ago
ZRM Codes
Abstract. Quaternary Z RM (r,m) codes were defined to study the Z4-linearity of ReedMuller codes. In the literature two different definitions of such codes can be found, denoted Z ...
Joaquim Borges, Cristina Fernández-Có...
TIT
2008
87views more  TIT 2008»
13 years 6 months ago
Maxwell Construction: The Hidden Bridge Between Iterative and Maximum a Posteriori Decoding
There is a fundamental relationship between belief propagation and maximum a posteriori decoding. A decoding algorithm, which we call the Maxwell decoder, is introduced and provide...
Cyril Measson, Andrea Montanari, Rüdiger L. U...
TIT
2008
71views more  TIT 2008»
13 years 7 months ago
On the Optimal Number of Active Receivers in Fading Broadcast Channels
Abstract--For broadcast channels, a power allocation scheme is proposed to maximize the number of active receivers, for each of which, a minimum rate Rmin > 0 can be achieved. U...
Hengameh Keshavarz, Liang-Liang Xie, Ravi R. Mazum...
TIT
2008
106views more  TIT 2008»
13 years 7 months ago
Some Results on FCSR Automata With Applications to the Security of FCSR-Based Pseudorandom Generators
This article describes new theoretical results concerning the general behavior of a Feedback with Carry Shift Register (FCSR) automaton. They help to better understand how the init...
François Arnault, Thierry P. Berger, Marine...