577 search results - page 7 / 116 » Performance Enhancement of Wireless Communication Systems us... |
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— This paper considers a relay communication system where cooperative diversity is achieved by spreading the relay transmissions using direct-sequence CDMA (DS/CDMA). We derive e...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
—Optical communication through the atmosphere possibly enables high data rate communication. However, the optical field undergoes fades or outages due to air turbulence. Spatial ...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— In this paper, we propose a new MIMO-HSDPA transmission scheme with two transmit and two receive antennas, using an optimal Space-Time block code: the Golden code [1]. ...
TWC
2008
2008
On the design, selection algorithm and performance analysis of limited feedback transmit beamforming
13 years 7 months ago
Multiple-input multiple-output (MIMO) systems achieve significant diversity and array gains by using transmit beamforming. When complete channel state information (CSI) is not avai...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
— OFDM multi-carrier modulation is expected to be the enabling technology for 4G wireless systems. One of the features that make OFDM the primary choice for 4G is its MIMO compat...