Multiple antenna multicarrier transmitter and method for adaptive beamforming with transmit-power normalization

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Oct 26, 2010
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Jun 8, 2006
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Dec 3, 2004
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Dec 3, 2004

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Abstract

In a multi-antenna, multicarrier transmitter, a multicarrier communication signal is generated by normalizing beamforming matrices based on an average subcarrier power loading for each of the transmit antennas. One or more spatial streams may be transmitted by two or more antennas.

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APPLE INC	ONE APPLE PARK WAY CUPERTINO CA 95014

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H04K:SECRET COMMUNICATION; JAMMING OF COMMUNICATION

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Inventor Name	Address	# of filed Patents	Total Citations
Davydov, Alexei V	Nizhny Novgorod, RU	23	991
Li, Qinghua	Sunnyvale, US	749	11147
Maltsev, Alexander A	Nizhny Novgorod, RU	54	2045

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Multiple antenna multicarrier transmitter and method for adaptive beamforming with transmit-power normalization

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United States of America Patent

11004720

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PATENT NO	7822128
APP PUB NO	20060120469A1
SERIAL NO	11004720
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 26, 2010	US,7822128,B2 US7822128B2	GRANTED PATENT AS SECOND PUBLICATION
June 08, 2006	US,20060120469,A1 US20060120469A1	FIRST PUBLISHED PATENT APPLICATION

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11004720

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