MIMO receiver having improved SIR estimation and corresponding method
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United States of America Patent
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Nov 10, 2015
Grant Date -
Dec 15, 2011
app pub date -
Jun 18, 2009
filing date -
Nov 10, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A method and corresponding receiver product, the method including: receiving a plurality of data streams over a wireless multiple-input-multiple-output data channel, whereby each data stream is received at all of a plurality of receive antennas from all of a plurality of transmit antennas with a respective weighting having been applied to each stream as transmitted from each different transmit antenna; receiving a common pilot signal over a common pilot channel; receiving an indication of the weightings; extracting the individual data streams from the plurality received at the receive antennas; and using the weightings and the common pilot signal together with information regarding the extracted data streams to calculate, for each of the streams, an estimate of signal power relative to interference from the one or more others of the data streams.
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