Method and arrangement for adapting a multi-antenna transmission

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United States of America Patent

PATENT NO 8306140
APP PUB NO 20100067605A1
SERIAL NO

12597759

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Abstract

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A method in a first node for adapting a multi-antenna transmission to a second node over a wireless channel is provided. The wireless channel has at least three inputs and at least one output. The first node and the second node are comprised in a wireless communication system. The method comprising the steps of: Obtaining (401) at least one symbol stream; Determining (403) a precoding matrix having a product structure created by a block diagonal matrix being multiplied from the left with a block diagonalizing unitary matrix; Precoding (404) the at least one symbol stream with the determined precoding matrix; And Transmitting (405) the precoded at least one symbol stream over a wireless channel to the second node.

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jongren, George Stockholm, SE 49 860

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