Invention Grant
US08831510B2 Wireless communication device, wireless communication system, controlling method for wireless communication device, and recording medium 有权
无线通信装置,无线通信系统,无线通信装置的控制方法和记录介质

  • Patent Title: Wireless communication device, wireless communication system, controlling method for wireless communication device, and recording medium
  • Patent Title (中): 无线通信装置,无线通信系统,无线通信装置的控制方法和记录介质
  • Application No.: US13055821
    Application Date: 2009-07-30
  • Publication No.: US08831510B2
    Publication Date: 2014-09-09
  • Inventor: Akio TanakaHiromu Ishikawa
  • Applicant: Akio TanakaHiromu Ishikawa
  • Applicant Address: JP Tokyo
  • Assignee: NEC Corporation
  • Current Assignee: NEC Corporation
  • Current Assignee Address: JP Tokyo
  • Agency: Sughrue Mion, PLLC
  • Priority: JP2008-259580 20081006
  • International Application: PCT/JP2009/003611 WO 20090730
  • International Announcement: WO2010/041366 WO 20100415
  • Main IPC: H04B5/00
  • IPC: H04B5/00 H04W76/02 H04W88/06
Wireless communication device, wireless communication system, controlling method for wireless communication device, and recording medium
Abstract:
A near-field wireless communication circuit 10 included in a terminal 1A can perform switching between a normal mode and a near mode which has a relatively short communicable distance and a relatively high transmission rate as compared with those in the normal mode. Further, a controller 13 executes preliminary processing for starting data transmission and reception in the near mode to/from a terminal 1B serving as a communication destination between the terminals 1A and 1B by using the near-field wireless communication circuit 10 which is set to the normal mode. Further, the controller 13 determines the availability of the data transmission and reception in the near mode to/from the terminal 1B by using a measured value of communication quality which has a correlation with a communication distance to the terminal 1B as a measure of the determination. Furthermore, when it is determined that the data transmission and reception in the near node are available, the controller 13 starts the data transmission and reception to/from the terminal 1B by using the near-field wireless communication circuit 10 which is set to the near mode, based on a result of the preliminary processing executed in the normal mode in advance.
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