44 search results - page 1 / 9 » Four Transmit Diversity Schemes for Coded OFDM Systems with ... |
JCM
2008
13 years 4 months ago
2008
We compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely cyclic shift diversity ...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract—A new 4 × 1 scheme of transmitting two real orthogonal space-time block codes (O-STBC) on the I- and Q-channels with pulse-shaped offset QAM is proposed. This scheme ac...
GLOBECOM
2006
IEEE
13 years 10 months ago
2006
IEEE
Abstract— The path and antenna correlations significantly degrade the system capacity in spatially-multiplexed multiple-input multiple-output (MIMO) orthogonal frequency-divisio...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—In this paper a spatial phase coding (SPC) scheme is investigated for its application in OFDM systems. With SPC the phase relation of the signals between multiple transmit anten...
ETT
2002
13 years 4 months ago
2002
In this paper, we investigate different antenna diversity concepts, which can be easily applied to orthogonal frequency division multiplexing (OFDM) systems. The focus is on standa...