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Base station apparatus, mobile station apparatus, radio communication system, communication control method of base station apparatus, and communication control method of mobile station apparatus

  • US 9,974,106 B2
  • Filed: 12/19/2016
  • Issued: 05/15/2018
  • Est. Priority Date: 06/25/2014
  • Status: Active Grant
First Claim
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1. A base station apparatus comprising a processor, wherein the processor executes a process comprising:

  • obtaining information indicating a radio status of each mobile station apparatus relevant to first communication in which radio communication is performed between the mobile station apparatuses via the base station apparatus, and second communication in which radio communication is directly performed between the mobile station apparatuses without via the base station apparatus; and

    notifying, based on the obtained information, the mobile station apparatuses that perform the second communication of control information for controlling the second communication, the control information for controlling the second communication being information relevant to switching of transmission power control methods, the mobile station apparatus deciding transmission power by taking a fixed value or transmission power by taking a pass loss, based on the information relevant to the switching.

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