Radio base station, user terminal and radio communication method

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United States of America Patent

PATENT NO 9712271
SERIAL NO

14759944

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Abstract

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The present invention is designed to reduce the impact of interference even when different DL/UL configurations are applied between neighboring transmission points (radio base stations). A radio base station which can communicate with a user terminal by means of time division duplexing, and furthermore change and control the DL/UL configuration, has an interference measurement section that measures the interference level from other radio base stations in at least a UL subframe, and a scheduling control section that changes the feedback method of uplink control signals, which the user terminal feeds back in the UL subframe in response to downlink signals that have been transmitted in DL subframes, based on the measured interference level.

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Patent Owner(s)

Patent OwnerAddress
NTT DOCOMO INC11-1 NAGATACHO 2-CHOME CHIYODA-KU TOKYO 100-6150

International Classification(s)

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  • 2013 Application Filing Year
  • H04L Class
  • 23397 Applications Filed
  • 19833 Patents Issued To-Date
  • 84.77 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20132014201520162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Atsushi Beijing, CN 119 1676
Hou, Xiaolin Beijing, CN 453 1804
Nagata, Satoshi Tokyo, JP 1999 10920
Wang, Chunyi Beijing, CN 14 47

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges7723917103642621314694423014182001 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +025050075010001250150017502000225025002750300032503500375040004250

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