System and method for distributed input-distributed output wireless communications
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United States of America Patent
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Aug 26, 2008
Grant Date -
Feb 2, 2006
app pub date -
Jul 30, 2004
filing date -
Jul 30, 2004
priority date (Note) -
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Abstract
A method is described comprising: transmitting a training signal from each antenna of a base station to each of a plurality of client devices, each of the client devices analyzing each training signal to generate channel characterization data, and transmitting the channel characterization data back to the base station; storing the channel characterization data for each of the plurality of client devices; receiving data to be transmitted to each of the client devices; and precoding the data using the channel characterization data associated with each respective client device to generate precoded data signals for each antenna of the base station; and transmitting the precoded data signals through each antenna of the base station to each respective client device.
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