Invention Grant
US08817768B2 Mobile station, base station, radio communication system, and communication control method 有权
移动台,基站,无线通信系统和通信控制方法

  • Patent Title: Mobile station, base station, radio communication system, and communication control method
  • Patent Title (中): 移动台,基站,无线通信系统和通信控制方法
  • Application No.: US12529731
    Application Date: 2008-02-13
  • Publication No.: US08817768B2
    Publication Date: 2014-08-26
  • Inventor: Hiroyuki IshiiAtsushi HaradaAnil Umesh
  • Applicant: Hiroyuki IshiiAtsushi HaradaAnil Umesh
  • Applicant Address: JP Tokyo
  • Assignee: NTT DoCoMo, Inc.
  • Current Assignee: NTT DoCoMo, Inc.
  • Current Assignee Address: JP Tokyo
  • Agency: Osha Liang LLP
  • Priority: JP2007-056441 20070306; JP2007-211591 20070814; JP2007-211982 20070815; JP2007-329025 20071220
  • International Application: PCT/JP2008/052317 WO 20080213
  • International Announcement: WO2008/108143 WO 20080912
  • Main IPC: H04B7/208
  • IPC: H04B7/208 H04W72/12 H04W72/04
Mobile station, base station, radio communication system, and communication control method
Abstract:
A mobile station is configured to send a base station a buffer status report explicitly indicating that the amount of a transmission signal in a buffer of the mobile station has become zero. This configuration makes it possible to efficiently allocate radio resources of an uplink shared channel and thereby to increase uplink capacity.
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