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Wireless communication system and method for forming a plurality of directed beams and precoding to adjust the received power at selected receiving apparatuses

  • US 10,090,898 B2
  • Filed: 05/26/2016
  • Issued: 10/02/2018
  • Est. Priority Date: 07/09/2015
  • Status: Active Grant
First Claim
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1. A transmitting apparatus comprising:

  • a plurality of transmission antennas configured to form a plurality of beams respectively directed to a plurality of receiving apparatuses; and

    a precoder configured to perform precoding on signals transmitted from the transmission antennas such that received power in third receiving apparatuses, which are the receiving apparatuses excluding a first receiving apparatus serving as a transmission destination of a transmission signal among the receiving apparatuses and two or more second receiving apparatuses among the receiving apparatuses, is equal to or smaller than a threshold, the precoding being performed by excluding transmission line components of the first receiving apparatus and the two or more second receiving apparatuses.

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