We consider wireless communication systems that employ multiple transmitting and receiving
antennas to achieve spatial diversity and to increase the data rate through fading channels…

… antenna diversity concepts, which can be easily applied to orthogonal frequency division
multiplexing (OFDM) systems. The focus is to provide diversity … combine these techniques in a …

… than antenna diversity for improving the mobile channel capacity. Proponents of antenna
diversity … 1) antenna diversity improves the channel capacity at the expense of adding extra …

… antenna diversity techniques, which are well suited for the extension of existing standardized
OFDM systems. Section 2 introduces diversity techniques for … andor receiver antennas. The …

… on spatial multiplexing and spatial diversity techniques. In particular, topics … techniques
for frequency-selective fading channels, diversity reception and space-time coding techniques, …

In many applications, it is necessary to design antennas with very directive characteristics (very
high gains) to meet demands for long distance communication. In general, this can only …

… antennas, which is a further restriction in terms of flexibility and adaptivity. In this thesis, we
propose antenna diversity techniques… of transmit antennas. In particular this means, that these …

… , diversity coding and beamforming to name a few. The diversity coding techniques involve
antenna diversity … the BER of different diversity techniques in MIMO antennas. The motivation …

… , antenna diversity is a practical, effective and, hence, a widely applied technique for …
The classical approach is to use multiple antennas at the receiver and perform combining or …

… antennas at the base station as well as multiple antennas at the handheld. In this paper, only
antenna diversity at … Although there are more techniques to improve the reception, such as …