Method and apparatus for implementing space time processing

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United States of America Patent

PATENT NO 9991992
APP PUB NO 20170163383A1
SERIAL NO

15434283

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Abstract

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A method and apparatus for implementing spatial processing with unequal modulation and coding schemes (MCSs) or stream-dependent MCSs are disclosed. Input data may be parsed into a plurality of data streams, and spatial processing is performed on the data streams to generate a plurality of spatial streams. An MCS for each data stream is selected independently. The spatial streams are transmitted via multiple transmit antennas. At least one of the techniques of space time block coding (STBC), space frequency block coding (SFBC), quasi-orthogonal Alamouti coding, time reversed space time block coding, linear spatial processing and cyclic delay diversity (CDD) may be performed on the data/spatial streams. An antennal mapping matrix may then be applied to the spatial streams. The spatial streams are transmitted via multiple transmit antennas. The MCS for each data stream may be determined based on a signal-to-noise ratio of each spatial stream associated with the data stream.

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Patent Owner(s)

Patent OwnerAddress
INTERDIGITAL PATENT HOLDINGS INC200 BELLEVUE PARKWAY SUITE 300 WILMINGTON DE 19809

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dai, Qingyuan Germantown, US 10 163
Koo, Chang-Soo Melville, US 85 2007
Lu, I-Tai Dix Hills, US 18 337
Olesen, Robert L Huntington, US 231 7401
Tsai, KunJu Chunan, TW 8 107
Voltz, Peter J Commack, US 10 220
Yang, Yongwen E Columbia, US 11 96
Zeira, Eldad M Huntington, US 142 2335

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