Invention Grant
- Patent Title: Radio base station, user terminal, radio communication system and interference estimation method
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Application No.: US14404647Application Date: 2013-05-28
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Publication No.: US10375584B2Publication Date: 2019-08-06
- Inventor: Satoshi Nagata , Yoshihisa Kishiyama
- Applicant: NTT DOCOMO, INC.
- Applicant Address: JP Tokyo
- Assignee: NTT DOCOMO, INC.
- Current Assignee: NTT DOCOMO, INC.
- Current Assignee Address: JP Tokyo
- Agency: Osha Liang LLP
- Priority: JP2012-127183 20120604
- International Application: PCT/JP2013/064758 WO 20130528
- International Announcement: WO2013/183491 WO 20131212
- Main IPC: H04W24/02
- IPC: H04W24/02 ; H04W88/08 ; H04L5/14 ; H04W24/08 ; H04J11/00

Abstract:
A radio base station is disclosed that receives an uplink signal using a time division duplexing (TDD) scheme, including an estimation section that estimates an interference level that the uplink signal receives in a plurality of subframes of which a downlink/uplink configuration differs among cells and a transmission section that transmits information about the interference level. The information about the interference level comprises interference levels about the plurality of subframes.
Public/Granted literature
- US20150195715A1 RADIO BASE STATION, USER TERMINAL, RADIO COMMUNICATION SYSTEM AND INTERFERENCE ESTIMATION METHOD Public/Granted day:2015-07-09
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