JP5710789B2 - マクロ／ｒｒｈシステムにおいてチャネル推定および干渉推定を可能にする方法および装置 - Google Patents

マクロ／ｒｒｈシステムにおいてチャネル推定および干渉推定を可能にする方法および装置 Download PDF

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JP5710789B2
JP5710789B2 JP2013553457A JP2013553457A JP5710789B2 JP 5710789 B2 JP5710789 B2 JP 5710789B2 JP 2013553457 A JP2013553457 A JP 2013553457A JP 2013553457 A JP2013553457 A JP 2013553457A JP 5710789 B2 JP5710789 B2 JP 5710789B2
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resource
pattern
resource pattern
channel
resource element
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JP2014512713A (ja
JP2014512713A5 (enExample
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ガイアホファー、ステファン
チェン、ワンシ
ルオ、タオ
ガール、ピーター
シュ、ハオ
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • 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
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • 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
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
    • 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
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0092—Indication of how the channel is divided

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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)
JP2013553457A 2011-02-11 2012-01-27 マクロ／ｒｒｈシステムにおいてチャネル推定および干渉推定を可能にする方法および装置 Active JP5710789B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201161442129P 2011-02-11 2011-02-11
US201161442087P 2011-02-11 2011-02-11
US61/442,087 2011-02-11
US61/442,129 2011-02-11
US13/336,599 2011-12-23
US13/336,599 US9544108B2 (en) 2011-02-11 2011-12-23 Method and apparatus for enabling channel and interference estimations in macro/RRH system
US13/358,164 US8995400B2 (en) 2011-02-11 2012-01-25 Method and apparatus for enabling channel and interference estimations in macro/RRH system
US13/358,164 2012-01-25
PCT/US2012/023040 WO2012109037A2 (en) 2011-02-11 2012-01-27 Method and apparatus for enabling channel and interference estimations in macro/rrh system

Related Child Applications (1)

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JP2015042764A Division JP5922275B2 (ja) 2011-02-11 2015-03-04 マクロ／ｒｒｈシステムにおいてチャネル推定および干渉推定を可能にする方法および装置

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JP2014512713A JP2014512713A (ja) 2014-05-22
JP2014512713A5 JP2014512713A5 (enExample) 2014-08-14
JP5710789B2 true JP5710789B2 (ja) 2015-04-30

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JP2015042764A Active JP5922275B2 (ja) 2011-02-11 2015-03-04 マクロ／ｒｒｈシステムにおいてチャネル推定および干渉推定を可能にする方法および装置

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US (2) US8995400B2 (enExample)
EP (1) EP2673929B1 (enExample)
JP (2) JP5710789B2 (enExample)
KR (1) KR101569826B1 (enExample)
CN (2) CN105933050B (enExample)
WO (1) WO2012109037A2 (enExample)

Families Citing this family (114)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3267610B1 (en) 2009-10-01 2020-04-08 Interdigital Patent Holdings, Inc. Uplink control data transmission
KR20230145222A (ko) 2011-01-07 2023-10-17 인터디지탈 패튼 홀딩스, 인크 다중 송신 포인트의 채널 상태 정보(csi) 전달
JP5427221B2 (ja) * 2011-01-07 2014-02-26 株式会社Ｎｔｔドコモ 無線通信方法及び無線基地局
US9426703B2 (en) 2011-02-11 2016-08-23 Qualcomm Incorporated Cooperation and operation of macro node and remote radio head deployments in heterogeneous networks
US9544108B2 (en) 2011-02-11 2017-01-10 Qualcomm Incorporated Method and apparatus for enabling channel and interference estimations in macro/RRH system
US8995400B2 (en) * 2011-02-11 2015-03-31 Qualcomm Incorporated Method and apparatus for enabling channel and interference estimations in macro/RRH system
US9054842B2 (en) 2011-02-14 2015-06-09 Qualcomm Incorporated CRS (common reference signal) and CSI-RS (channel state information reference signal) transmission for remote radio heads (RRHs)
JP5529055B2 (ja) * 2011-02-18 2014-06-25 株式会社Ｎｔｔドコモ 無線基地局装置、端末及び無線通信方法
WO2012150842A2 (ko) * 2011-05-04 2012-11-08 엘지전자 주식회사 무선 통신 시스템에서 채널상태정보를 송수신하는 방법 및 장치
EP2709289A4 (en) * 2011-05-13 2015-01-14 Lg Electronics Inc CSI-RS CHANNEL ESTIMATION METHOD IN A WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR
ES2656519T3 (es) * 2011-06-10 2018-02-27 Lg Electronics Inc. Procedimiento y aparato de transmisión de información de estado de canal aperiódica en sistema de comunicación inalámbrica
KR101767997B1 (ko) 2011-06-24 2017-08-14 삼성전자 주식회사 직교 주파수 분할 다중 접속 이동통신 시스템을 기반으로 하는 분산 안테나 시스템에서 하향링크 간섭 측정 방법 및 장치
CN102355292A (zh) * 2011-08-05 2012-02-15 中兴通讯股份有限公司 参数传输方法及装置、参数生成方法及装置
CN103650403B (zh) * 2011-08-10 2018-01-19 富士通株式会社 信道状态信息的上报方法、用户设备及基站
CN102932112B (zh) 2011-08-11 2015-11-25 华为技术有限公司 一种多天线传输的方法及装置
US9456372B2 (en) * 2011-08-12 2016-09-27 Interdigital Patent Holdings, Inc. Interference measurement in wireless networks
US9055476B2 (en) * 2011-09-06 2015-06-09 Lg Electronics Inc. Method and apparatus for measuring interference in a wireless communication system
US9379960B2 (en) * 2011-09-09 2016-06-28 Lg Electronics Inc. Method and apparatus for channel estimation in a distributed multi-node system
CN107872266A (zh) * 2011-09-30 2018-04-03 华为技术有限公司 干扰测量指示方法和干扰测量方法及相关设备和通信系统
US9294947B2 (en) * 2011-10-03 2016-03-22 Lg Electronics Inc. Method and apparatus for measuring interference in a wireless communication system
WO2013055126A1 (ko) * 2011-10-11 2013-04-18 엘지전자 주식회사 복수의 네트워크 노드로 구성된 셀을 포함하는 무선통신 시스템에서 채널품질상태를 측정하는 방법 및 이를 위한 장치
GB2493224B (en) * 2011-11-07 2013-07-03 Renesas Mobile Corp Wireless communication network
GB2496198B (en) * 2011-11-07 2014-03-19 Broadcom Corp Apparatus, methods and computer programs for coordinated multipoint transmission
CN106304361B (zh) * 2011-11-07 2019-10-18 华为技术有限公司 信道质量指示测量方法及系统、用户设备与基站
US9603167B2 (en) * 2011-11-07 2017-03-21 Nokia Solutions And Networks Oy Feedback messaging
EP2792181A4 (en) * 2011-11-07 2015-06-24 Nokia Solutions & Networks Oy SOFT CONFIGURATION OF CHANNEL MEASUREMENT
CN103988456B (zh) 2011-12-16 2017-05-24 Lg电子株式会社 无线接入系统中测量信道状态信息的方法及设备
US8774146B2 (en) * 2011-12-19 2014-07-08 Alcatel Lucent Large-scale antenna method and apparatus of wireless communication with suppression of intercell interference
US9571244B2 (en) * 2012-01-26 2017-02-14 Sony Corporation Wireless communication apparatus, wireless communication method, and wireless communication system
JP5874742B2 (ja) * 2012-01-30 2016-03-02 日本電気株式会社 無線通信システムおよびレポーティング設定制御方法
US9008585B2 (en) 2012-01-30 2015-04-14 Futurewei Technologies, Inc. System and method for wireless communications measurements and CSI feedback
KR20130090669A (ko) * 2012-02-06 2013-08-14 삼성전자주식회사 이종 네크워크에서 셀간 간섭을 조정하는 중앙집중형 스케쥴링 방법 및 장치
CN103259583B (zh) * 2012-02-20 2016-12-07 华为技术有限公司 传输数据的方法、用户设备和基站
US9788289B2 (en) 2012-03-19 2017-10-10 Lg Electronics Inc. Method for transmitting reference signal and apparatus using the method
US9155098B2 (en) 2012-03-29 2015-10-06 Qualcomm Incorporated Channel state information reference signal (CSI-RS) configuration and CSI reporting restrictions
WO2013151470A1 (en) * 2012-04-04 2013-10-10 Telefonaktiebolaget L M Ericsson (Publ) Selecting antennas in downlink cooperative scheduling
US9113462B2 (en) 2012-05-03 2015-08-18 Qualcomm Incorporated Resource mapping for ePDCCH in LTE
US11546787B2 (en) * 2012-05-09 2023-01-03 Samsung Electronics Co., Ltd. CSI definitions and feedback modes for coordinated multi-point transmission
US9537638B2 (en) * 2012-05-11 2017-01-03 Qualcomm Incorporated Method and apparatus for performing coordinated multipoint feedback under multiple channel and interference assumptions
KR102105063B1 (ko) 2012-05-17 2020-04-28 마벨 월드 트레이드 리미티드 채널 특성의 계산 및 보고
EP2856661A2 (en) 2012-06-04 2015-04-08 Interdigital Patent Holdings, Inc. Communicating channel state information (csi) of multiple transmission points
EP2865117B1 (en) * 2012-06-21 2018-05-09 Telefonica S.A. A method for cancelling downlink interference in a lte-advanced network
US9615360B2 (en) * 2012-07-27 2017-04-04 Futurewei Technologies, Inc. System and method for multiple point communications
WO2014019874A1 (en) * 2012-08-03 2014-02-06 Nokia Siemens Networks Oy Interference measurement resource (imr) signaling and use to support interference coordination between cells
JP6300105B2 (ja) * 2012-08-03 2018-03-28 サン パテント トラスト 無線通信端末装置、無線通信基地局装置及びｃｓｉ生成方法
EP3185606B1 (en) * 2012-08-13 2019-10-09 Huawei Technologies Co., Ltd. Coordinated transmission method and device
WO2014029080A1 (zh) 2012-08-21 2014-02-27 华为技术有限公司 一种无线链路监测的方法和装置
US9071983B2 (en) * 2012-08-28 2015-06-30 Samsung Electronics Co., Ltd. Communication system with repeat-response processing mechanism and method of operation thereof
US9137810B2 (en) * 2012-09-07 2015-09-15 Kt Corporation Transmitting configuration information of interference measurement resource, and measuring interference
KR101526163B1 (ko) * 2012-09-07 2015-06-05 주식회사 케이티 간섭신호측정 자원 할당정보 전송방법 및 간섭신호측정방법, 그 송신포인트, 그 단말
DE112013002479B4 (de) * 2012-09-16 2020-11-05 Lg Electronics Inc. Verfahren und Vorrichtung zum Datenempfang in einem drahtlosen CoMP-Kommunikationssystem
US9667391B2 (en) * 2012-09-20 2017-05-30 Samsung Electronics Co., Ltd Channel estimation method and apparatus for cooperative communication in cellular mobile communication system
KR101909043B1 (ko) 2012-09-25 2018-10-17 삼성전자 주식회사 분산 안테나 시스템에서 간섭 측정 방법 및 장치
EP3416432B1 (en) * 2012-09-27 2019-12-04 Huawei Technologies Co., Ltd. System and method for configuring channel state information in a communications system
US9609537B2 (en) * 2012-09-28 2017-03-28 Qualcomm Incorporated Randomization procedure for assigning interference measurement resources in wireless communication
EP3840241B1 (en) 2012-11-12 2023-10-18 Huawei Technologies Co., Ltd. Method for reporting channel state information, user equipment, and base station
KR20140078236A (ko) * 2012-12-17 2014-06-25 주식회사 팬택 다중 안테나 시스템에서 자원 요소의 설정 또는 전송장치 및 방법
CN104904271B (zh) * 2012-12-27 2020-06-05 三星电子株式会社 无线通信系统中利用快速小型小区切换的一个小区操作的方法和装置
CN103944668B (zh) * 2013-01-18 2019-05-10 北京三星通信技术研究有限公司 一种处理灵活子帧的上下行传输的方法和设备
CN104038320B (zh) * 2013-03-04 2019-03-01 中兴通讯股份有限公司 资源映射、接收方法及装置、信令通知、获取方法及装置
CN104038312B (zh) 2013-03-08 2019-12-31 中兴通讯股份有限公司 信道测量导频的指示信令的确定、csi反馈方法及装置
US9306725B2 (en) * 2013-03-13 2016-04-05 Samsung Electronics Co., Ltd. Channel state information for adaptively configured TDD communication systems
JP6301065B2 (ja) * 2013-04-04 2018-03-28 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末および無線通信方法
WO2014166032A1 (zh) * 2013-04-07 2014-10-16 华为技术有限公司 传输公共信号的方法及其装置
CN104104420B (zh) * 2013-04-09 2018-02-06 华为技术有限公司 协作发射集的确定方法和基站
KR20140125926A (ko) * 2013-04-19 2014-10-30 삼성전자주식회사 협력 통신을 위한 기지국 간 정보 교환 방법 및 장치
EP2995035A2 (en) 2013-05-08 2016-03-16 Interdigital Patent Holdings, Inc. Methods, systems and apparatuses for network assisted interference cancellation and/or suppression (naics) in long term evolution (lte) systems
US9544115B2 (en) * 2013-08-19 2017-01-10 Qualcomm Incorporated Apparatus and method of improving identification of reference signal transmissions
US10034283B2 (en) * 2013-08-23 2018-07-24 Qualcomm Incorporated CSI and ACK reporting enhancements in LTE/LTE-A with unlicensed spectrum
US9894675B2 (en) * 2013-09-19 2018-02-13 Blackberry Limited Method and device for wireless network coexistence
WO2015043628A1 (en) * 2013-09-25 2015-04-02 Nokia Solutions And Networks Management International Gmbh Configuration of channel estimation related parameters
WO2015050497A1 (en) * 2013-10-04 2015-04-09 Telefonaktiebolaget L M Ericsson (Publ) Exchanging patterns of shared resources between machine-type and human traffic
US10075972B2 (en) 2013-10-28 2018-09-11 Lg Electronics Inc. Method and apparatus for transmitting and receiving signal for device-to-device terminal in wireless communication system
US20150312893A1 (en) * 2014-03-19 2015-10-29 Nec Laboratories America, Inc. Signalling for Coordinated Multi-Point Transmission and Reception (CoMP)
US9888469B2 (en) 2014-03-19 2018-02-06 Nec Corporation Signalling for coordinated multi-point transmission and reception (CoMP)
CN105940708B (zh) * 2014-03-20 2020-02-14 夏普株式会社 终端装置、基站装置、通信方法以及集成电路
US9503209B2 (en) 2014-05-07 2016-11-22 Qualcomm Incorporated Cell ID management for discovery reference signals for small cells in LTE
KR102197451B1 (ko) 2014-05-22 2020-12-31 퀄컴 인코포레이티드 Mimo에 대한 주기적인 및 비주기적인 채널 상태 정보(csi) 리포팅
CN105429683B (zh) * 2014-09-17 2019-08-20 上海朗帛通信技术有限公司 一种3d mimo传输方法和装置
US10224986B2 (en) 2014-09-25 2019-03-05 Nec Corporation Signalling in coordinated multi-point transmission and reception (CoMP)
US10230507B2 (en) 2014-09-25 2019-03-12 Nec Corporation Signalling in coordinated multi-point transmission and reception (CoMP)
CN111371539B (zh) 2014-10-10 2022-11-29 瑞典爱立信有限公司 控制基于csi-rs的信道估计的方法、基站和介质
US9743393B2 (en) * 2015-06-25 2017-08-22 Intel IP Corporation Dynamic patterned resource allocation in a wireless network
WO2017018762A1 (ko) * 2015-07-24 2017-02-02 삼성전자 주식회사 비 면허 대역을 사용하는 이동 통신 시스템에서의 제어 신호 및 채널 전송 방법
CN107135025A (zh) 2016-02-29 2017-09-05 株式会社Ntt都科摩 信道状态信息参考信号发送方法及基站
CN109076505B (zh) 2016-03-30 2024-08-06 日本电气株式会社 用于传输和接收参考信号的方法和装置
US9941948B2 (en) * 2016-03-31 2018-04-10 Lg Electronics Inc. Method of reporting channel state and apparatus therefor
CN107733618A (zh) * 2016-08-12 2018-02-23 中兴通讯股份有限公司 测量导频的发送方法、信道状态信息的反馈方法及装置
US11595948B2 (en) * 2016-09-23 2023-02-28 Qualcomm Incorporated Resource allocation patterns for scheduling services in a wireless network
CN108024267B (zh) * 2016-11-04 2020-04-03 华为技术有限公司 一种参考信号传输的方法及装置
CN108540178A (zh) * 2017-03-04 2018-09-14 上海朗帛通信技术有限公司 一种基站、用户设备中的用于多天线传输的方法和装置
WO2018201438A1 (en) * 2017-05-05 2018-11-08 Qualcomm Incorporated Communication scheme for small cyclic delay diversity reference signals
US11297520B2 (en) * 2017-08-11 2022-04-05 Qualcomm Incorporated Channel state information reporting for short transmission time intervals
CN109600199B (zh) * 2017-09-30 2021-01-08 维沃移动通信有限公司 反馈多用户信道状态信息的方法及装置
RU2765119C2 (ru) 2017-10-02 2022-01-25 Телефонактиеболагет Лм Эрикссон (Пабл) Сигнализация для измерения mu-помех с помощью nzp csi-rs
US10524266B2 (en) 2017-10-20 2019-12-31 Google Llc Switching transmission technologies within a spectrum based on network load
US11006413B2 (en) 2017-12-06 2021-05-11 Google Llc Narrow-band communication
US10779303B2 (en) 2017-12-12 2020-09-15 Google Llc Inter-radio access technology carrier aggregation
US10608721B2 (en) * 2017-12-14 2020-03-31 Google Llc Opportunistic beamforming
WO2019118020A1 (en) 2017-12-15 2019-06-20 Google Llc Satellite-based narrow-band communication
US11246143B2 (en) 2017-12-15 2022-02-08 Google Llc Beamforming enhancement via strategic resource utilization
US10868654B2 (en) 2017-12-15 2020-12-15 Google Llc Customizing transmission of a system information message
US10375671B2 (en) 2017-12-22 2019-08-06 Google Llc Paging with enhanced beamforming
US11284316B2 (en) * 2018-02-07 2022-03-22 Qualcomm Incorporated Mobile device centric clustering in wireless systems
US11251847B2 (en) 2018-03-28 2022-02-15 Google Llc User device beamforming
EP3780430B1 (en) * 2018-03-30 2025-01-15 Nippon Telegraph And Telephone Corporation Oam multiplexed communication system and inter-mode interference compensation method
US11502761B2 (en) 2018-05-25 2022-11-15 Qualcomm Incorporated Enhanced RRM/CSI measurement for interference management
US11233548B2 (en) 2018-09-10 2022-01-25 Google Llc Fast beam tracking
US10992360B2 (en) 2019-01-28 2021-04-27 Apple Inc. Feedback overhead reduction for precoders under high rank spatial channels
CN114041301B (zh) * 2019-05-02 2023-11-14 株式会社Ntt都科摩 终端、无线通信方法以及系统
WO2021146992A1 (en) * 2020-01-22 2021-07-29 Qualcomm Incorporated Joint channel state information (csi) reporting using csi sub-reports for multiple transmit receive points
CN115443720B (zh) * 2020-04-24 2026-03-10 联想（新加坡）私人有限公司 信道状态信息报告
US20250062794A1 (en) * 2022-02-28 2025-02-20 Qualcomm Incorporated Reconfigurable intelligent surface co-existence
US12627385B2 (en) * 2023-07-20 2026-05-12 Qualcomm Incorporated Techniques for wideband interference measurements

Family Cites Families (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6549787B1 (en) 1999-04-26 2003-04-15 Samsung Electronics Co., Ltd. System and method for use in an MSC-BS interface for supporting an access state handoff
US20050272472A1 (en) 2004-05-27 2005-12-08 Interdigital Technology Corporation Wireless communication method and system for forming three-dimensional control channel beams and managing high volume user coverage areas
US7603141B2 (en) 2005-06-02 2009-10-13 Qualcomm, Inc. Multi-antenna station with distributed antennas
US7672667B2 (en) 2006-01-17 2010-03-02 Telefonaktiebolaget L M Ericsson (Publ) Broadcast-centric cellular communication system
KR101377948B1 (ko) 2006-04-28 2014-03-25 엘지전자 주식회사 멀티모드 이동 단말의 제어 정보 송수신 방법
WO2008023349A2 (en) 2006-08-23 2008-02-28 Nokia Corporation Pilot design for long term evolution uplink multi-input multi-output antenna system
US8159928B2 (en) 2006-10-03 2012-04-17 Qualcomm Incorporated Signal transmission in a wireless communication system
CN101202974B (zh) 2006-12-15 2011-09-28 华为技术有限公司 一种多制式基站互通的系统、基站及方法
CN101606409A (zh) 2007-02-15 2009-12-16 艾利森电话股份有限公司 基于小区模式管理无线电资源的方法
US8446849B2 (en) 2007-06-20 2013-05-21 Qualcomm Incorporated Methods and apparatuses for power control
CN101779516A (zh) 2007-08-10 2010-07-14 三菱电机株式会社 无线通信系统以及基站
US20090235176A1 (en) 2008-03-14 2009-09-17 Madhavi Jayanthi Social interaction system for facilitating display of current location of friends and location of businesses of interest
US20110026482A1 (en) 2008-03-27 2011-02-03 Postdata Co., Ltd. Method and apparatus for pilot signal transmission
US8428653B2 (en) 2008-03-31 2013-04-23 Mitsubishi Electric Research Laboratories, Inc. Hot-spot wireless access exploiting shadowing diversity of distributed antennas
US8559879B2 (en) 2008-04-22 2013-10-15 Qualcomm Incorporated Null pilots for interference estimation in a wireless communication network
US8169931B2 (en) 2008-05-21 2012-05-01 Airhop Communications, Inc. Method and apparatus for base stations and their provisioning, management, and networking
US8498647B2 (en) 2008-08-28 2013-07-30 Qualcomm Incorporated Distributed downlink coordinated multi-point (CoMP) framework
JP5256955B2 (ja) 2008-09-12 2013-08-07 富士通株式会社 制御方法、通信特性制御方法、基地局装置、及び移動局装置
IL194097A (en) 2008-09-15 2012-05-31 Mariana Goldhamer Activation of a wireless subscription terminal in a number of cells based on OFDMA
US8130849B2 (en) 2008-09-16 2012-03-06 Telefonaktiebolaget Lm Ericsson (Publ) Maximum A posteriori interference estimation in a wireless communication system
US8676133B2 (en) 2008-09-19 2014-03-18 Qualcomm Incorporated Reference signal design for LTE A
MX2011002833A (es) 2008-09-30 2011-04-12 Ericsson Telefon Ab L M Metodos y arreglos para ajustar dinamicamente la velocidad de busqueda de sub celulas en celulas de transmision/recepcion de puntos multiples coordinados, comp.
WO2010050757A2 (en) 2008-10-30 2010-05-06 Lg Electronics Inc. Method for transmitting downlink reference signals in a multi-antenna wireless communication system
US8767843B2 (en) 2008-11-10 2014-07-01 Motorola Mobility Llc Employing cell-specific and user entity-specific reference symbols in an orthogonal frequency-division multiple access
CN101741420B (zh) * 2008-11-12 2013-08-07 华为技术有限公司 信道估计方法、装置及系统
CN101777941B (zh) 2009-01-12 2014-10-08 华为技术有限公司 协作多点传输系统中的下行传输方法、网络设备和无线系统
US8755807B2 (en) 2009-01-12 2014-06-17 Qualcomm Incorporated Semi-static resource allocation to support coordinated multipoint (CoMP) transmission in a wireless communication network
KR101634177B1 (ko) 2009-01-15 2016-06-28 엘지전자 주식회사 데이터 패킷의 처리 및 전송 방법
EP2227056B1 (en) 2009-03-02 2019-04-24 Alcatel Lucent Method for enhancing the handover of a mobile station and base station for carrying out the method
WO2010106549A2 (en) 2009-03-04 2010-09-23 Centre Of Excellence In Wireless Pilot aided data transmission and reception with interference mitigation in wireless systems
US8620334B2 (en) 2009-03-13 2013-12-31 Interdigital Patent Holdings, Inc. Method and apparatus for carrier assignment, configuration and switching for multicarrier wireless communications
CN101841357B (zh) 2009-03-16 2014-06-11 夏普株式会社 下行数据传输方法、基站和用户设备
CN101841903A (zh) 2009-03-20 2010-09-22 松下电器产业株式会社 无线通信系统中减小基站间干扰的装置和方法
US8867495B2 (en) * 2009-03-20 2014-10-21 Qualcomm Incorporated Feedback mechanisms for beamforming operation
US9154352B2 (en) 2009-04-21 2015-10-06 Qualcomm Incorporated Pre-communication for relay base stations in wireless communication
KR101478316B1 (ko) 2009-04-28 2014-12-31 한국전자통신연구원 전용 레퍼런스 시그널 전송 방법 및 전용 레퍼런스 시그널 수신 방법
US8208434B2 (en) * 2009-04-28 2012-06-26 Motorola Mobility, Inc. Method of signaling particular types of resource elements in a wireless communication system
US8712399B2 (en) 2009-05-06 2014-04-29 Texas Instruments Incorporated Coordinated multi-point transmission in a cellular network
JP5135282B2 (ja) 2009-05-14 2013-02-06 株式会社日立製作所 無線基地局装置
KR101629325B1 (ko) 2009-06-03 2016-06-13 엘지전자 주식회사 부분 주파수 재사용 방식을 이용하는 무선 통신 시스템에서 채널 상태를 추정하는 방법 및 이를 이용하는 단말 장치
US8965395B2 (en) 2009-06-05 2015-02-24 Qualcomm Incorporated Positioning of user equipment in a wireless communication network
US9002354B2 (en) 2009-06-12 2015-04-07 Google Technology Holdings, LLC Interference control, SINR optimization and signaling enhancements to improve the performance of OTDOA measurements
CN101932025B (zh) 2009-06-19 2015-07-29 夏普株式会社 上行控制信道数据传输方法
JP2011004212A (ja) 2009-06-19 2011-01-06 Sharp Corp 送信装置、受信装置、通信システムおよび通信方法
EP2454827B1 (en) 2009-06-19 2019-03-27 BlackBerry Limited Downlink reference signal for type ii relay
US8670432B2 (en) 2009-06-22 2014-03-11 Qualcomm Incorporated Methods and apparatus for coordination of sending reference signals from multiple cells
ES2437037T3 (es) 2009-06-23 2014-01-08 Telefonaktiebolaget Lm Ericsson (Publ) Método y disposiciones para reconfigurar una estación de base de radio en un sistema de comunicación inalámbrica
WO2010150898A1 (ja) 2009-06-25 2010-12-29 京セラ株式会社 無線通信システム、無線基地局及び無線通信方法
CN102474401A (zh) 2009-07-22 2012-05-23 诺基亚西门子通信公司 在协作式多点传输/接收通信网络中协调传输资源的方法
JP2013502182A (ja) 2009-08-14 2013-01-17 リサーチ イン モーション リミテッド ダウンリンク多地点協調（ＣｏＭＰ）伝送のためのフレーム構造および制御信号伝達
KR101573001B1 (ko) 2009-08-24 2015-11-30 삼성전자주식회사 수신기 및 그의 기준 신호 이용 방법
US8942192B2 (en) 2009-09-15 2015-01-27 Qualcomm Incorporated Methods and apparatus for subframe interlacing in heterogeneous networks
AU2010298857B2 (en) 2009-09-28 2013-11-28 Samsung Electronics Co., Ltd. Extending physical downlink control channels
US20110244877A1 (en) 2009-10-08 2011-10-06 Qualcomm Incorporated Method and apparatus for using channel state information reference signal in wireless communication system
US8873650B2 (en) 2009-10-12 2014-10-28 Motorola Mobility Llc Configurable spatial channel information feedback in wireless communication system
US9031008B2 (en) 2009-10-30 2015-05-12 Samsung Electronics Co., Ltd. Methods and apparatus for multi-user MIMO transmissions in wireless communication systems
US8964657B2 (en) 2009-11-02 2015-02-24 Qualcomm Incorporated Apparatus and method for joint encoding of user specific reference signal information in wireless communication
US8520617B2 (en) 2009-11-06 2013-08-27 Motorola Mobility Llc Interference mitigation in heterogeneous wireless communication networks
CN101714897B (zh) * 2009-11-12 2013-01-02 普天信息技术研究院有限公司 探测参考信号的配置方法
EP3444966A1 (en) 2009-11-25 2019-02-20 Telefonaktiebolaget LM Ericsson (publ) A method and apparatus for using factorized precoding
US8897235B2 (en) 2009-12-18 2014-11-25 Qualcomm Incorporated Protection of broadcast signals in heterogeneous networks
US8447314B2 (en) 2009-12-21 2013-05-21 Cisco Technology, Inc. System and method for providing resource management in a network environment
US8804586B2 (en) 2010-01-11 2014-08-12 Blackberry Limited Control channel interference management and extended PDCCH for heterogeneous network
KR101754970B1 (ko) 2010-01-12 2017-07-06 삼성전자주식회사 무선 통신 시스템의 채널 상태 측정 기준신호 처리 장치 및 방법
US20110176440A1 (en) 2010-01-15 2011-07-21 Motorola-Mobility, Inc. Restrictions on autonomous muting to enable time difference of arrival measurements
KR101740221B1 (ko) 2010-01-18 2017-05-29 주식회사 골드피크이노베이션즈 채널상태정보-기준신호 할당 방법 및 장치
WO2011096646A2 (en) * 2010-02-07 2011-08-11 Lg Electronics Inc. Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas
US9130719B2 (en) 2010-02-11 2015-09-08 Samsung Electronics Co., Ltd Method for indicating a DM-RS antenna port in a wireless communication system
US8305987B2 (en) * 2010-02-12 2012-11-06 Research In Motion Limited Reference signal for a coordinated multi-point network implementation
CA2789439C (en) 2010-02-12 2017-01-03 Research In Motion Limited Reference signal for a coordinated multi-point network implementation
KR101819502B1 (ko) 2010-02-23 2018-01-17 엘지전자 주식회사 간섭 측정 방법 및 단말과, 간섭 정보 수신 방법 및 기지국
KR101850720B1 (ko) 2010-03-29 2018-04-20 엘지전자 주식회사 무선 통신 시스템에서 셀간 간섭 조정에 대한 측정 방법 및 장치
US9392608B2 (en) 2010-04-13 2016-07-12 Qualcomm Incorporated Resource partitioning information for enhanced interference coordination
US8712401B2 (en) 2010-04-16 2014-04-29 Qualcomm Incorporated Radio link monitoring (RLM) and reference signal received power (RSRP) measurement for heterogeneous networks
US8694043B2 (en) 2010-04-19 2014-04-08 Telefonaktiebolaget L M Ericsson (Publ) Interference-free neighbor cell measurements
US8593933B2 (en) 2010-04-27 2013-11-26 Qualcomm Incorporated Modified spatial diversity schemes for coverage enhancement
US8509338B2 (en) 2010-05-05 2013-08-13 Motorola Mobility Llc Method and precoder information feedback in multi-antenna wireless communication systems
CN102291744A (zh) * 2010-06-17 2011-12-21 中兴通讯股份有限公司 信道状态信息参考信号的发送处理方法及装置
CN101867457B (zh) * 2010-06-21 2016-01-20 中兴通讯股份有限公司 信道状态信息的处理方法及用户设备
ES2629311T3 (es) 2010-06-23 2017-08-08 Telefonaktiebolaget Lm Ericsson (Publ) Gestión de interferencias de señales de referencia en despliegues de redes heterogéneas
US8743799B2 (en) 2010-06-24 2014-06-03 Nokia Siemens Networks Oy Change of rate matching modes in presence of channel state information reference signal transmission
CN101924610B (zh) * 2010-08-02 2012-12-26 西安电子科技大学 Lte-a系统中信道状态信息参考信号csi-rs的设计与分配方法
CN101917729B (zh) 2010-08-13 2016-04-13 中兴通讯股份有限公司 一种时域干扰指示方法、时域资源干扰确定方法及其基站
US8599794B2 (en) 2010-09-08 2013-12-03 Intel Corporation Enhanced base station and method for communicating through an enhanced distributed antenna system (eDAS)
WO2012059139A1 (en) 2010-11-05 2012-05-10 Fujitsu Limited Terminal measurements of interference in wireless communication
US9252930B2 (en) 2011-01-07 2016-02-02 Futurewei Technologies, Inc. Reference signal transmission and reception method and equipment
BR112013018064B1 (pt) 2011-02-09 2021-12-28 Telefonaktiebolaget Lm Ericsson (Publ) Método para coletar realimentação de informações de estado de canal e unidade de controle para uso em uma rede sem fio
US8995400B2 (en) * 2011-02-11 2015-03-31 Qualcomm Incorporated Method and apparatus for enabling channel and interference estimations in macro/RRH system
US9426703B2 (en) 2011-02-11 2016-08-23 Qualcomm Incorporated Cooperation and operation of macro node and remote radio head deployments in heterogeneous networks
US9544108B2 (en) 2011-02-11 2017-01-10 Qualcomm Incorporated Method and apparatus for enabling channel and interference estimations in macro/RRH system
US9054842B2 (en) 2011-02-14 2015-06-09 Qualcomm Incorporated CRS (common reference signal) and CSI-RS (channel state information reference signal) transmission for remote radio heads (RRHs)
US20120208541A1 (en) 2011-02-14 2012-08-16 Qualcomm Incorporated Mobility procedures in wireless networks with distributed remote radio heads
US8537911B2 (en) 2011-02-21 2013-09-17 Motorola Mobility Llc Method and apparatus for reference signal processing in an orthogonal frequency division multiplexing communication system
US20120213108A1 (en) 2011-02-22 2012-08-23 Qualcomm Incorporated Radio resource monitoring (rrm) and radio link monitoring (rlm) procedures for remote radio head (rrh) deployments
US8599711B2 (en) 2011-04-08 2013-12-03 Nokia Siemens Networks Oy Reference signal port discovery involving transmission points
CN102882612B (zh) 2011-07-12 2015-10-21 华为技术有限公司 一种小区测量方法、小区资源共享方法和相关设备

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