JP5703057B2 - 通信システム、基地局装置、端末装置 - Google Patents

通信システム、基地局装置、端末装置 Download PDF

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Publication number
JP5703057B2
JP5703057B2 JP2011032556A JP2011032556A JP5703057B2 JP 5703057 B2 JP5703057 B2 JP 5703057B2 JP 2011032556 A JP2011032556 A JP 2011032556A JP 2011032556 A JP2011032556 A JP 2011032556A JP 5703057 B2 JP5703057 B2 JP 5703057B2
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Japan
Prior art keywords
base station
station apparatus
cell
transmission
signal
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Expired - Fee Related
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JP2011032556A
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English (en)
Japanese (ja)
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JP2012175191A5 (enExample
JP2012175191A (ja
Inventor
梢 平田
梢 平田
藤　晋平
晋平 藤
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Sharp Corp
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Sharp Corp
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Publication date
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Priority to JP2011032556A priority Critical patent/JP5703057B2/ja
Priority to US13/984,900 priority patent/US20130324136A1/en
Priority to PCT/JP2012/052066 priority patent/WO2012111419A1/ja
Publication of JP2012175191A publication Critical patent/JP2012175191A/ja
Publication of JP2012175191A5 publication Critical patent/JP2012175191A5/ja
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Publication of JP5703057B2 publication Critical patent/JP5703057B2/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/32—Hierarchical cell structures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2011032556A 2011-02-17 2011-02-17 通信システム、基地局装置、端末装置 Expired - Fee Related JP5703057B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011032556A JP5703057B2 (ja) 2011-02-17 2011-02-17 通信システム、基地局装置、端末装置
US13/984,900 US20130324136A1 (en) 2011-02-17 2012-01-31 Communication system, base station apparatuses, and terminal devices
PCT/JP2012/052066 WO2012111419A1 (ja) 2011-02-17 2012-01-31 通信システム、基地局装置、端末装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011032556A JP5703057B2 (ja) 2011-02-17 2011-02-17 通信システム、基地局装置、端末装置

Publications (3)

Publication Number Publication Date
JP2012175191A JP2012175191A (ja) 2012-09-10
JP2012175191A5 JP2012175191A5 (enExample) 2014-04-03
JP5703057B2 true JP5703057B2 (ja) 2015-04-15

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Family Applications (1)

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JP2011032556A Expired - Fee Related JP5703057B2 (ja) 2011-02-17 2011-02-17 通信システム、基地局装置、端末装置

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Country Link
US (1) US20130324136A1 (enExample)
JP (1) JP5703057B2 (enExample)
WO (1) WO2012111419A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140269409A1 (en) * 2013-03-14 2014-09-18 Telefonaktiebolaget L M Ericsson (Publ) Explicit signaling of number of receiver antennas
US9686804B2 (en) * 2013-05-23 2017-06-20 Telefonaktiebolaget Lm Ericsson (Publ) Method and network node for assisting handling of interference at a receiver device
WO2016002087A1 (ja) * 2014-07-04 2016-01-07 富士通株式会社 通信システム、基地局及び基地局制御方法
US10897285B2 (en) * 2017-02-15 2021-01-19 Qualcomm Incorporated Distributed multi-user (MU) wireless communication
US10588151B2 (en) * 2017-07-12 2020-03-10 Qualcomm Incorporated Spatial listen before talk by precoded request to send and clear to send via whitening
KR102176730B1 (ko) * 2019-01-23 2020-11-10 주식회사 지씨티리써치 Qr 분해와 mmib 메트릭을 이용한 채널 상태 정보 추출 방법 및 mimo 수신기

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8611311B2 (en) * 2001-06-06 2013-12-17 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a wireless communication system
US7197084B2 (en) * 2002-03-27 2007-03-27 Qualcomm Incorporated Precoding for a multipath channel in a MIMO system
US8676223B2 (en) * 2007-03-23 2014-03-18 Qualcomm Incorporated Backhaul communication for interference management
EP2266217A4 (en) * 2008-03-28 2015-07-15 Lg Electronics Inc METHOD FOR AVOIDING INTERFERENCE BETWEEN CELLS IN A MULTICELL ENVIRONMENT
DE602008001803D1 (de) * 2008-10-24 2010-08-26 Ntt Docomo Inc Koordination der Funkressourcenzuteilung in einem Makro-/Mikrozellen-Funkkommunikationssystem
US8412221B2 (en) * 2009-01-14 2013-04-02 Nec Europe Ltd. Method for interference mitigation for femtocell base stations of a WiMAX network
WO2010090408A2 (en) * 2009-02-04 2010-08-12 Lg Electronics Inc. Method for controlling uplink transmission power in wireless communication system and an apparatus therefor
WO2010122749A1 (ja) * 2009-04-24 2010-10-28 シャープ株式会社 通信システム、通信装置および通信方法
JP5275514B2 (ja) * 2009-04-29 2013-08-28 インテル・コーポレーション 閉ループｍｉｍｏビーム形成のための差分フィードバックスキーム
JP5319398B2 (ja) * 2009-05-27 2013-10-16 京セラ株式会社 無線通信システム、無線端末及び無線通信方法
KR101615116B1 (ko) * 2009-07-13 2016-04-25 삼성전자주식회사 펨토 셀 또는 피코셀을 위한 프리코딩 방법 및 상기 방법을 사용하는 통신 시스템
US9072020B2 (en) * 2009-08-26 2015-06-30 Samsung Electronics Co., Ltd. Methods and apparatus to support coordinated interference mitigation in multi-tier networks
CN102195757B (zh) * 2010-03-19 2014-06-11 华为技术有限公司 分布式多天线系统中的预编码、解码方法和装置

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Publication number Publication date
US20130324136A1 (en) 2013-12-05
JP2012175191A (ja) 2012-09-10
WO2012111419A1 (ja) 2012-08-23

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