Method and system for generating a power control metric in an orthogonal transmit diversity communication system
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United States of America Patent
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Feb 6, 2001
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N/A
app pub date -
Jun 15, 1999
filing date -
Oct 7, 1997
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Abstract
In a wireless communications system having a transmitter that transmits a transmit diversity signal using multiple antennas, a channel quality metric is computed by measuring a first and second diversity branch signal quality for first and second diversity branches in the receiver. Thereafter, the channel quality metric is computed in response to a difference between the first and second diversity branch signal qualities. The first and second diversity branch signal quality measurements may be signal-to-noise measurements. In one embodiment, the channel quality metric is computed by taking a square root of a product of signal-to-noise ratios of the first and second diversity branches in the receiver.
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