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Device and method for controlling use of a frequency band shared by a cellular system and wireless system among multiple base stations

  • US 10,694,391 B2
  • Filed: 06/22/2015
  • Issued: 06/23/2020
  • Est. Priority Date: 08/29/2014
  • Status: Active Grant
First Claim
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1. A device, comprising:

  • circuitry including at least a processor and a memory, the circuitry configured toperform carrier sense for predetermined radio resources among radio resources of a frequency band that is shared by a first cellular system and a wireless local area network (LAN);

    control a first base station of the first cellular system in the frequency band so that no signal is transmitted through the predetermined radio resources after an identified frame or sub-frame;

    provide a notification, to a second base station, indicating the radio frame or sub-frame after which the first base station is to end wireless communication in the frequency band; and

    end wireless communication of the second base station in the frequency band at a timing at which the first base station ends the wireless communication using the frequency band.

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