199 search results - page 22 / 40 » db 2008 |
TASLP
2008
13 years 7 months ago
2008
This paper considers estimation of the noise spectral variance from speech signals contaminated by highly nonstationary noise sources. The method can accurately track fast changes ...
TCOM
2008
13 years 7 months ago
2008
Distributed space-time coding is a cooperative transmission scheme proposed for wireless relay networks. With this scheme, antennas of the distributive relays work as transmit ante...
TCOM
2008
13 years 7 months ago
2008
Abstract--This paper addresses the problem of joint optimization of transmit beamforming and space-frequency (SF) coding for MIMO-OFDM systems with spatial correlation feedback in ...
TIT
2008
13 years 7 months ago
2008
Orthogonal-frequency-divisionmultiplexing(OFDM) transforms a frequency-selective multiple-input multiple-output (MIMO) fading channel into a MIMO-OFDM channel that has a well-defin...
CAGD
2005
13 years 7 months ago
2005
We propose a new wavelet compression algorithm based on the rate-distortion optimization for densely sampled triangular meshes. Exploiting the normal remesher of Guskov et al., th...