Invention Grant
US08224386B2 Radio base station equipment, radio communication system and delay correction method 失效
无线基站设备,无线电通信系统和延迟校正方法

  • Patent Title: Radio base station equipment, radio communication system and delay correction method
  • Patent Title (中): 无线基站设备,无线电通信系统和延迟校正方法
  • Application No.: US13001090
    Application Date: 2009-06-02
  • Publication No.: US08224386B2
    Publication Date: 2012-07-17
  • Inventor: Hidehiko OyaneDaisuke Tanigawa
  • Applicant: Hidehiko OyaneDaisuke Tanigawa
  • Applicant Address: JP Tokyo
  • Assignee: NTT DoCoMo, Inc.
  • Current Assignee: NTT DoCoMo, Inc.
  • Current Assignee Address: JP Tokyo
  • Agency: Michaud-Kinney Group LLP
  • Priority: JP2008-174918 20080703
  • International Application: PCT/JP2009/060011 WO 20090602
  • International Announcement: WO2010/001676 WO 20100107
  • Main IPC: H04B1/38
  • IPC: H04B1/38
Radio base station equipment, radio communication system and delay correction method
Abstract:
Radio base station equipment is connected to radio transmitting/receiving equipment provided in sectors (S), into which a communication area is divided, by an optical fiber (30), and performs radio communication with mobile terminals located in the respective sectors (S) via the radio transmitting/receiving equipment wherein a delay processing section delays a signal for each sector (S) according to a delay correction value obtained by subtracting a delay amount in each sector (S) from a maximum delay amount of a delay amount measured for each sector (S) and a baseband processing section obtains the signal from each sector (S) delayed by the delay processing section by setting a reception window at a position corresponding to the maximum delay amount.
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