JP5918680B2 - 無線通信システム、基地局装置、ユーザ端末、及び無線通信方法 - Google Patents

無線通信システム、基地局装置、ユーザ端末、及び無線通信方法 Download PDF

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JP5918680B2
JP5918680B2 JP2012221586A JP2012221586A JP5918680B2 JP 5918680 B2 JP5918680 B2 JP 5918680B2 JP 2012221586 A JP2012221586 A JP 2012221586A JP 2012221586 A JP2012221586 A JP 2012221586A JP 5918680 B2 JP5918680 B2 JP 5918680B2
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Japan
Prior art keywords
channel state
state information
csi
rel
base station
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JP2012221586A
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English (en)
Japanese (ja)
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JP2014075676A5 (enExample
JP2014075676A (ja
Inventor
聡 永田
聡 永田
祥久 岸山
祥久 岸山
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NTT Docomo Inc
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NTT Docomo Inc
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Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to JP2012221586A priority Critical patent/JP5918680B2/ja
Priority to PCT/JP2013/072097 priority patent/WO2014054344A1/ja
Priority to US14/432,758 priority patent/US9801190B2/en
Priority to EP13843506.0A priority patent/EP2905988A4/en
Priority to CN201380052063.5A priority patent/CN104704873A/zh
Publication of JP2014075676A publication Critical patent/JP2014075676A/ja
Publication of JP2014075676A5 publication Critical patent/JP2014075676A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2012221586A 2012-10-03 2012-10-03 無線通信システム、基地局装置、ユーザ端末、及び無線通信方法 Active JP5918680B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2012221586A JP5918680B2 (ja) 2012-10-03 2012-10-03 無線通信システム、基地局装置、ユーザ端末、及び無線通信方法
PCT/JP2013/072097 WO2014054344A1 (ja) 2012-10-03 2013-08-19 無線通信システム、基地局装置、ユーザ端末、及び無線通信方法
US14/432,758 US9801190B2 (en) 2012-10-03 2013-08-19 Radio communication system, base station apparatus, user terminal and radio communication method
EP13843506.0A EP2905988A4 (en) 2012-10-03 2013-08-19 WIRELESS COMMUNICATION SYSTEM, BASISSTATION DEVICE, USER DEVICE AND WIRELESS COMMUNICATION PROCESS
CN201380052063.5A CN104704873A (zh) 2012-10-03 2013-08-19 无线通信系统、基站装置、用户终端以及无线通信方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012221586A JP5918680B2 (ja) 2012-10-03 2012-10-03 無線通信システム、基地局装置、ユーザ端末、及び無線通信方法

Publications (3)

Publication Number Publication Date
JP2014075676A JP2014075676A (ja) 2014-04-24
JP2014075676A5 JP2014075676A5 (enExample) 2015-04-02
JP5918680B2 true JP5918680B2 (ja) 2016-05-18

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JP2012221586A Active JP5918680B2 (ja) 2012-10-03 2012-10-03 無線通信システム、基地局装置、ユーザ端末、及び無線通信方法

Country Status (5)

Country Link
US (1) US9801190B2 (enExample)
EP (1) EP2905988A4 (enExample)
JP (1) JP5918680B2 (enExample)
CN (1) CN104704873A (enExample)
WO (1) WO2014054344A1 (enExample)

Cited By (1)

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US12395381B2 (en) * 2022-12-22 2025-08-19 Rakuten Symphony, Inc. Method, apparatus, and computer readable medium

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US8797966B2 (en) 2011-09-23 2014-08-05 Ofinno Technologies, Llc Channel state information transmission
KR101548889B1 (ko) 2011-10-19 2015-08-31 엘지전자 주식회사 협력 다중점을 위한 통신 방법 및 이를 이용한 무선기기
US8848673B2 (en) 2011-12-19 2014-09-30 Ofinno Technologies, Llc Beam information exchange between base stations
GB2512634A (en) * 2013-04-04 2014-10-08 Nec Corp Communication system
WO2015167280A1 (ko) * 2014-05-02 2015-11-05 엘지전자 주식회사 채널 상태 보고를 위한 방법 및 이를 위한 장치
CN106576015B (zh) * 2014-10-22 2019-11-29 华为技术有限公司 一种数据传输方法及设备
WO2016086407A1 (zh) * 2014-12-05 2016-06-09 华为技术有限公司 一种终端、网络设备和协作多点传输协作集选择方法
US10638346B2 (en) * 2015-09-25 2020-04-28 Qualcomm Incorporated Channel state computation for enhanced carrier aggregation
KR102399395B1 (ko) * 2016-07-29 2022-05-17 엘지전자 주식회사 무선 통신 시스템에서 단말의 채널 상태 정보 보고 방법 및 이를 지원하는 장치
CN110169110B (zh) * 2016-11-11 2023-05-30 株式会社Ntt都科摩 用户终端以及无线通信方法
KR102514446B1 (ko) 2017-01-09 2023-03-27 엘지전자 주식회사 측정 정보를 보고하는 방법 및 이를 위한 단말
CN106793144B (zh) * 2017-01-16 2020-01-14 京信通信系统（中国）有限公司 一种物理随机接入信道prach资源的分配方法和装置
US10652885B2 (en) * 2017-05-02 2020-05-12 Qualcomm Incorporated Channel state information reporting for systems with multiple transmission time intervals
US10869349B2 (en) * 2017-08-01 2020-12-15 Htc Corporation Device and method of handling carrier aggregation and dual connectivity
US10425208B2 (en) * 2017-09-08 2019-09-24 At&T Intellectual Property I, L.P. Unified indexing framework for reference signals
WO2022227081A1 (en) * 2021-04-30 2022-11-03 Qualcomm Incorporated Techniques for channel state information and channel compression switching

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KR101476202B1 (ko) * 2008-01-08 2014-12-24 엘지전자 주식회사 주기적/비주기적 채널상태정보 송수신 방법
KR101612557B1 (ko) * 2009-03-13 2016-04-15 엘지전자 주식회사 셀기반 무선통신 시스템에서 ｍｂｍｓ 수신방법
US8737504B2 (en) * 2009-10-05 2014-05-27 Samsung Electronics Co., Ltd. Method and system for feedback of channel information
MX2012015241A (es) * 2010-06-21 2013-02-07 Fujitsu Ltd Metodo de radio comunicacion y aparato de radiocomunicacion.
JP5258923B2 (ja) 2011-04-04 2013-08-07 日本航空電子工業株式会社 ケーブル固定具
WO2012151064A2 (en) * 2011-05-02 2012-11-08 Research In Motion Limted Methods and system of wireless communication with remote radio heads
CN102325013B (zh) * 2011-07-19 2014-04-02 电信科学技术研究院 信道状态信息传输方法和设备
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CN102315871B (zh) * 2011-09-30 2017-03-29 中兴通讯股份有限公司 非周期的信道状态信息的处理方法、装置及系统
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Publication number Priority date Publication date Assignee Title
US12395381B2 (en) * 2022-12-22 2025-08-19 Rakuten Symphony, Inc. Method, apparatus, and computer readable medium

Also Published As

Publication number Publication date
EP2905988A1 (en) 2015-08-12
US9801190B2 (en) 2017-10-24
WO2014054344A1 (ja) 2014-04-10
CN104704873A (zh) 2015-06-10
JP2014075676A (ja) 2014-04-24
US20150264694A1 (en) 2015-09-17
EP2905988A4 (en) 2016-10-26

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