Multi-antenna transmission method and system
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United States of America Patent
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Jul 22, 2008
Grant Date -
N/A
app pub date -
Apr 7, 2000
filing date -
Apr 7, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a method and system for transmitting a transmission signal from an antenna array (19) to a receiving means (20) of a wireless communication system, wherein a signal quality measurement is performed at the receiving means (20) for predetermined antennas or beams of said antenna array (19). Based on a feedback information derived from the signal quality measurement, at least two of the predetermined antennas or beams of the antenna array (19) are selected. The selected antennas or beams are used for transmitting said transmission signal according to a transmit diversity or beamforming scheme. Thus, spectral efficiency and diversity gain can be enhanced by using only selected ones of the predetermined antennas or beams.
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