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131
Voted
ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
We have recently proposed an EM-style algorithm to optimize log-linear models with hidden variables. In this paper, we use this algorithm to optimize a hidden conditional random ï...
165
Voted
ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...
113
Voted
ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
A fast-decodable distributed space-time block code (STBC) is proposed for a two-path successive relay network that can achieve both full diversity and full transmission rate. The ...
103
Voted
ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
In this work, we propose adaptive frequency-domain biased estimation algorithms with mechanisms to automatically adjust the shrinkage factors. The proposed estimation algorithms i...
119
Voted
ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
—This paper deals with optimized training sequences to estimate multiple-input multiple-output orthogonal frequencydivision multiplexing (MIMO-OFDM) channel states in the presenc...