Apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas
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United States of America Patent
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Jul 10, 2018
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N/A
app pub date -
Oct 20, 2014
filing date -
May 30, 2005
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Abstract
An apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas are provided. A receiver estimates a fading channel of received data, selects a weight set relative to a maximum data transmission rate from at least one weight set with elements of a plurality of orthogonal weight vectors, and transmits feedback information including the selected weight set and channel-by-channel state information to a transmitter. The transmitter demultiplexes data to be transmitted on a basis of the feedback information into at least one sub-data stream, multiplies each sub-data stream by an associated weight, and transmits the data.
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