Invention Grant
US08743714B2 Radio communications system, base station, user apparatus, and method
失效
无线电通信系统，基站，用户装置和方法
- Patent Title: Radio communications system, base station, user apparatus, and method
- Patent Title (中): 无线电通信系统，基站，用户装置和方法
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Application No.: US13001073Application Date: 2009-06-25
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Publication No.: US08743714B2Publication Date: 2014-06-03
- Inventor: Yoshihisa Kishiyama , Motohiro Tanno , Mamoru Sawahashi
- Applicant: Yoshihisa Kishiyama , Motohiro Tanno , Mamoru Sawahashi
- Applicant Address: JP Tokyo
- Assignee: NTT Docomo, Inc.
- Current Assignee: NTT Docomo, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Osha Liang LLP
- Priority: JP2008-172813 20080701
- International Application: PCT/JP2009/061576 WO 20090625
- International Announcement: WO2010/001798 WO 20100107
- Main IPC: H04J1/16
- IPC: H04J1/16
Abstract:
A mobile communications system having a first base station and one or more second base stations is disclosed, wherein the first base station includes a first generator which generates a first known signal for use in common between the first base station and the second base station and a second known signal use specific to each of the first base station and the second base station, and a radio transmitter which wirelessly transmits, to a subordinate terminal apparatus, the first known signal and the second known signal which are generated by the first generator.
Public/Granted literature
- US20110170438A1 RADIO COMMUNICATIONS SYSTEM, BASE STATION, USER APPARATUS, AND METHOD Public/Granted day:2011-07-14
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