14 search results - page 3 / 3 » Performance Analysis of OFDM Based UWB Systems Enhanced with... |
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
—In this paper, we present an iterative algorithm for channel complex gains estimation with inter-sub-carrierinterference (ICI) reduction in orthogonal-frequency-divisionmultiple...
CISS
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract— Quickest detection is applied to frequency spectrum sensing in cognitive radio systems. Distribution change in frequency domain is detected for vacating secondary radio...
VTC
2006
IEEE
13 years 11 months ago
2006
IEEE
When adapting the transmitter to the channel state information (CSI), improved transmission is possible compared to the open loop system where no CSI is provided at the transmitte...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— In this paper a new transmitter precoding technique is presented that outperforms conventional precoding by making use of a portion of the interference between the users in a C...