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Wireless communication system, wireless communication method, transmitting terminal, and receiving terminal

  • US 9,332,481 B2
  • Filed: 09/04/2013
  • Issued: 05/03/2016
  • Est. Priority Date: 11/19/2012
  • Status: Expired due to Fees
First Claim
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1. A wireless communication system comprising:

  • a plurality of wireless terminals constituting a wireless ad hoc network, the plurality of wireless terminals including a receiving terminal and a plurality of transmitting terminals, each of the plurality of transmitting terminals being configured to execute direct communication in which information is transmitted directly to the receiving terminal or indirect communication in which the information is transmitted indirectly to the receiving terminal through at least one other wireless terminal;

    a reception side terminal number obtainer that obtains a reception side terminal number which is the number of the wireless terminals with which the receiving terminal is able to communicate directly;

    a transmission side terminal number obtainer that obtains a transmission side terminal number which is the number of the wireless terminals with which a target transmitting terminal, which is one of the plurality of transmitting terminals, is able to communicate directly; and

    a setter that calculates a hidden terminal number parameter that increases as a hidden terminal number which is the number of the transmitting terminals which are unable to communicate directly with the target transmitting terminal among the transmitting terminals which are able to communicate directly with the receiving terminal increases based on the reception side terminal number and the transmission side terminal number, selects the indirect communication when the hidden terminal number parameter is equal to or greater than a certain threshold value, and sets the target transmitting terminal so as to execute the selected communication.

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