Method and apparatus for executing MIMO eigenmode transmission

Details Method and apparatus for executing MIMO eigenmode transmission Method and apparatus for executing MIMO eigenmode transmission

2011-05-24

2011-05-24

Corrielus, Jean B (Department: 2611)

Pulse or digital communications

Transmitters

Antinoise or distortion

C375S260000

Reexamination Certificate

active

07949070

ABSTRACT:
Antennas transmit signals weighted by a weight vector. A control unit acquires, via a radio unit and the like, a predetermined column from a steering matrix derived by performing singular value decomposition on a channel matrix whose element values are channel characteristics between a plurality of transmitting antennas and a plurality of receiving antennas, respectively. The control unit varies each of components contained in the acquired column vector so as to derive a weight vector that varies with time.

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Sakaguchi et al. “Initial Measurement on MIMO eigenmode Communcation System” IEICE Transactions on Communications, vol. J87-B, No. 9, pp. 1454-1466, Sep. 2006.

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