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TSP
2010
13 years 5 months ago
MIMO cognitive radio: a game theoretical approach
Abstract--The concept of cognitive radio (CR) has recently received great attention from the research community as a promising paradigm to achieve efficient use of the frequency re...
Gesualdo Scutari, Daniel Pérez Palomar
TSP
2010
13 years 5 months ago
Algorithms for Complex ML ICA and Their Stability Analysis Using Wirtinger Calculus
Abstract--We derive a class of algorithms for independent component analysis (ICA) based on maximum likelihood (ML) estimation and perform stability analysis of natural gradient ML...
Hualiang Li, Tülay Adali
CISS
2010
IEEE
13 years 2 months ago
Cost constrained spectrum sensing in cognitive radio networks
—This paper addresses optimal spectrum sensing in cognitive radio networks considering its system level cost that accounts for the local processing cost of sensing (sample collec...
Gang Xiong, Shalinee Kishore, Aylin Yener
CORR
2010
Springer
151views Education» more  CORR 2010»
13 years 11 months ago
How to prevent type-flaw attacks on security protocols under algebraic properties
In this paper, we prove that type-tagging prevents type-flaw attacks on security protocols that use the Exclusive-OR operator as our main contribution. Our proof method is general ...
Sreekanth Malladi, Pascal Lafourcade
VTC
2010
IEEE
150views Communications» more  VTC 2010»
13 years 9 months ago
Optimizing Training-Based MIMO Systems: How Much Time is Needed for Actual Transmission?
—We study the design of training-based multiple-input multiple-output systems in two block-wise transmission schemes. The conventional transmission scheme has a fixed amount of ...
Xiangyun Zhou, Parastoo Sadeghi, Tharaka A. Lamahe...