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Wireless communication system, and apparatus and method for wireless communication

  • US 20080108314A1
  • Filed: 10/12/2007
  • Published: 05/08/2008
  • Est. Priority Date: 11/08/2006
  • Status: Active Grant
First Claim
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1. A wireless communication system for carrying out a spatial multiplexing communication between a transmitter having a plurality of antennas, and a receiver having a plurality of antennas, the wireless communication system comprising:

  • channel information matrix acquiring means for acquiring a channel information matrix having transmission functions of the pairs of antennas between the sender side and the receiver side as elements;

    weighting factor matrix arithmetically operating means for obtaining a weighting factor matrix based on the channel information matrix thus acquired;

    normalizing means for executing processing for normalizing the weighting factor matrix;

    detecting means for detecting whether there is presence or absence of an abnormality in the processing executed by the weighting factor matrix arithmetically operating means or the normalizing means;

    weighting processing means for executing weighting processing based on the weighting factor matrix for each of transmission signals which are transmitted from the transmitter in accordance with a detection result obtained from the detecting means; and

    transmitting means for transmitting the transmission signals for which the weighting processing means executes the weighting processing from the transmitter to the receiver.

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