CN105933050B - 用于在宏/rrh系统中实现信道和干扰估计的方法和设备 - Google Patents

用于在宏/rrh系统中实现信道和干扰估计的方法和设备 Download PDF

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Publication number
CN105933050B
CN105933050B CN201610561125.0A CN201610561125A CN105933050B CN 105933050 B CN105933050 B CN 105933050B CN 201610561125 A CN201610561125 A CN 201610561125A CN 105933050 B CN105933050 B CN 105933050B
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resource
channel state
resources
reference signal
group
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CN105933050A (zh
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斯特凡·盖尔霍费尔
陈万石
涛·骆
彼得·加尔
豪·徐
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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)
CN201610561125.0A 2011-02-11 2012-01-27 用于在宏/rrh系统中实现信道和干扰估计的方法和设备 Active CN105933050B (zh)

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 US9544108B2 (en) 2011-02-11 2011-12-23 Method and apparatus for enabling channel and interference estimations in macro/RRH system
US13/336,599 2011-12-23
US13/358,164 2012-01-25
US13/358,164 US8995400B2 (en) 2011-02-11 2012-01-25 Method and apparatus for enabling channel and interference estimations in macro/RRH system
CN201280012803.8A CN103430502B (zh) 2011-02-11 2012-01-27 用于在宏/rrh系统中实现信道和干扰估计的方法和设备

Related Parent Applications (1)

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CN105933050A CN105933050A (zh) 2016-09-07
CN105933050B true CN105933050B (zh) 2019-08-09

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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 (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI628933B (zh) 2009-10-01 2018-07-01 內數位專利控股公司 傳輸上鏈控制資訊的方法及系統
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
US10014911B2 (en) 2011-01-07 2018-07-03 Interdigital Patent Holdings, Inc. Communicating channel state information (CSI) of multiple transmission points
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
US9426703B2 (en) 2011-02-11 2016-08-23 Qualcomm Incorporated Cooperation and operation of macro node and remote radio head deployments in heterogeneous networks
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
EP3503426B1 (en) * 2011-05-13 2021-06-23 LG Electronics Inc. Csi-rs based channel estimating method in a wireless communication system and device for same
JP5755369B2 (ja) * 2011-06-10 2015-07-29 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおける非周期的チャネル状態情報の転送方法及び装置
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
KR101944650B1 (ko) * 2011-08-10 2019-01-31 후지쯔 가부시끼가이샤 채널 상태 정보 보고 방법, 사용자 장치 및 기지국
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
KR20140099917A (ko) * 2011-08-12 2014-08-13 인터디지탈 패튼 홀딩스, 인크 무선 네트워크들에서의 간섭 측정
JP5976114B2 (ja) * 2011-09-06 2016-08-23 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおける干渉を測定する方法及び装置
WO2013036058A2 (ko) * 2011-09-09 2013-03-14 엘지전자 주식회사 다중 분산 노드 시스템에서 채널 추정 방법 및 장치
CN107819559A (zh) * 2011-09-30 2018-03-20 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
WO2013051839A2 (ko) * 2011-10-03 2013-04-11 엘지전자 주식회사 무선 통신 시스템에서 간섭을 측정하는 방법 및 장치
US9749029B2 (en) * 2011-10-11 2017-08-29 Lg Electronics Inc. Method for measuring state of channel quality in wireless communication system including cells formed with a plurality of network nodes, and apparatus therefor
GB2493224B (en) * 2011-11-07 2013-07-03 Renesas Mobile Corp Wireless communication network
WO2013067672A1 (en) * 2011-11-07 2013-05-16 Nokia Siemens Networks Oy Flexible configuration of channel measurement
GB2496198B (en) 2011-11-07 2014-03-19 Broadcom Corp Apparatus, methods and computer programs for coordinated multipoint transmission
CN103095400B (zh) * 2011-11-07 2016-09-07 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
EP3131218B1 (en) * 2011-12-16 2019-06-19 LG Electronics Inc. Method for measuring channel state information in a wireless access system and apparatus for same
US8774146B2 (en) * 2011-12-19 2014-07-08 Alcatel Lucent Large-scale antenna method and apparatus of wireless communication with suppression of intercell interference
CN104081809B (zh) * 2012-01-26 2018-03-30 索尼公司 无线通信设备、无线通信方法和无线通信系统
US9008585B2 (en) * 2012-01-30 2015-04-14 Futurewei Technologies, Inc. System and method for wireless communications measurements and CSI feedback
EP2811777B1 (en) * 2012-01-30 2017-03-15 NEC Corporation Wireless communication system and method for controlling reporting setting
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
US20150036609A1 (en) * 2012-03-19 2015-02-05 Lg Electronics Inc. Method and apparatus for transmitting reference signal
US9155098B2 (en) 2012-03-29 2015-10-06 Qualcomm Incorporated Channel state information reference signal (CSI-RS) configuration and CSI reporting restrictions
US9184819B2 (en) 2012-04-04 2015-11-10 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
EP2850742B1 (en) 2012-05-17 2023-04-12 Marvell Asia Pte, Ltd. Calculating and reporting channel characteristics
WO2013184613A2 (en) 2012-06-04 2013-12-12 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
AU2013295531B2 (en) * 2012-07-27 2016-06-30 Huawei Technologies Co., Ltd. System and method for multiple point communications
WO2014020828A1 (ja) * 2012-08-03 2014-02-06 パナソニック株式会社 無線通信端末装置、無線通信基地局装置及びcsi生成方法
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
CN108616297B (zh) * 2012-08-13 2021-08-13 华为技术有限公司 协作传输方法及设备
CN103765946B (zh) 2012-08-21 2017-08-18 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
KR101526163B1 (ko) * 2012-09-07 2015-06-05 주식회사 케이티 간섭신호측정 자원 할당정보 전송방법 및 간섭신호측정방법, 그 송신포인트, 그 단말
US9137810B2 (en) * 2012-09-07 2015-09-15 Kt Corporation Transmitting configuration information of interference measurement resource, and measuring interference
EP2897308B1 (en) * 2012-09-16 2019-08-28 LG Electronics Inc. Method and apparatus for receiving data in wireless communication system supporting cooperative transmission
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
JP2015534396A (ja) * 2012-09-27 2015-11-26 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 通信システムにおいてチャネル状態情報を構成するシステム及び方法
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
KR102141370B1 (ko) * 2012-12-27 2020-08-05 삼성전자주식회사 무선 통신 시스템에서 고속 스몰 셀 스위칭이 가능한 셀 운용 방법 및 장치
CN111245561B (zh) * 2013-01-18 2022-11-22 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
EP2941066B1 (en) 2013-04-07 2019-06-12 Huawei Technologies Co., Ltd. Method and apparatus for transmitting common signal
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
US20160080963A1 (en) 2013-05-08 2016-03-17 Interdigital Patent Holdings, Inc. Methods, systems and apparatuses for network assisted interference cancellation and suppression 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
EP3050233B1 (en) * 2013-09-25 2023-06-07 Nokia Solutions and Networks GmbH & Co. KG Configuration of channel estimation related parameters
EP3053396B1 (en) * 2013-10-04 2019-10-02 Telefonaktiebolaget LM Ericsson (publ) Exchanging patterns of shared resources between machine-type and human traffic
WO2015065014A1 (ko) 2013-10-28 2015-05-07 엘지전자 주식회사 무선 통신 시스템에서 장치 대 장치 단말의 신호 송수신 방법 및 장치
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)
US9930559B2 (en) * 2014-03-20 2018-03-27 Sharp Kabushiki Kaisha Terminal device and base station device
US9503209B2 (en) 2014-05-07 2016-11-22 Qualcomm Incorporated Cell ID management for discovery reference signals for small cells in LTE
US11317306B2 (en) 2014-05-22 2022-04-26 Qualcomm Incorporated Periodic and aperiodic channel state information (CSI) reporting for MIMO
CN110401472B (zh) * 2014-09-17 2021-03-09 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)
MX365697B (es) * 2014-10-10 2019-06-11 Ericsson Telefon Ab L M Metodo para retroalimentacion dinamica de csi.
US9743393B2 (en) * 2015-06-25 2017-08-22 Intel IP Corporation Dynamic patterned resource allocation in a wireless network
US10652753B2 (en) * 2015-07-24 2020-05-12 Samsung Electronics Co., Ltd. Method for transmitting control signal and channel in mobile communication system using unlicensed band
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
US11246143B2 (en) 2017-12-15 2022-02-08 Google Llc Beamforming enhancement via strategic resource utilization
EP3676972B1 (en) 2017-12-15 2022-02-09 Google LLC Satellite-based narrow-band communication
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
CN111903081B (zh) * 2018-03-30 2022-07-22 日本电信电话株式会社 Oam多路复用通信系统以及模式间干扰补偿方法
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
US12081300B2 (en) * 2019-05-02 2024-09-03 Ntt Docomo, Inc. User terminal and radio communication method
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
WO2021214711A1 (en) * 2020-04-24 2021-10-28 Lenovo (Singapore) Pte. Ltd. Channel state information reporting
US20250030493A1 (en) * 2023-07-20 2025-01-23 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
US7751838B2 (en) 2006-01-17 2010-07-06 Telefonaktiebolaget L M Ericsson (Publ) Method and mobile station for synchronizing to a common synchronization channel and obtaining a channel estimate
KR101377948B1 (ko) 2006-04-28 2014-03-25 엘지전자 주식회사 멀티모드 이동 단말의 제어 정보 송수신 방법
US9294180B2 (en) 2006-08-23 2016-03-22 Nokia Technologies Oy 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
EP2119286A4 (en) 2007-02-15 2011-09-14 Ericsson Telefon Ab L M METHOD OF MANAGING RADIO RESOURCES BASED ON CELL CONFIGURATIONS
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.
US8400994B2 (en) 2008-10-30 2013-03-19 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
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
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
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
US9030992B2 (en) 2009-03-04 2015-05-12 Centre Of Excellence In Wireless Technology 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
US8867495B2 (en) * 2009-03-20 2014-10-21 Qualcomm Incorporated Feedback mechanisms for beamforming operation
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
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
CA2764574C (en) 2009-06-19 2015-06-02 Research In Motion Limited Downlink reference signal for type ii relay
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
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
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
JP5373899B2 (ja) 2009-06-25 2013-12-18 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
CN102656938B (zh) 2009-08-14 2016-03-30 黑莓有限公司 用于下行链路协作多点(comp)传输的帧结构和控制信令
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
EP2884674B1 (en) 2009-11-25 2016-07-27 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
WO2011099811A2 (en) 2010-02-11 2011-08-18 Samsung Electronics Co., Ltd. Method for indicating a dm-rs antenna port in a wireless communication system
CA2789439C (en) 2010-02-12 2017-01-03 Research In Motion Limited Reference signal for a coordinated multi-point network implementation
US8305987B2 (en) * 2010-02-12 2012-11-06 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
WO2011122833A2 (en) 2010-03-29 2011-10-06 Lg Electronics Inc. Method and apparatus for measurement for inter-cell interference coordination in radio communication system
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
CN105611548B (zh) 2010-06-23 2019-09-13 瑞典爱立信有限公司 异构网络部署中的参考信号干扰管理
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
US8891438B2 (en) 2010-09-08 2014-11-18 Intel Corporation Packet-data network and methods for RAN-agnostic multimedia content distribution
GB2498498B (en) 2010-11-05 2015-03-11 Fujitsu Ltd 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
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
US9426703B2 (en) 2011-02-11 2016-08-23 Qualcomm Incorporated Cooperation and operation of macro node and remote radio head deployments in heterogeneous networks
US20120208541A1 (en) 2011-02-14 2012-08-16 Qualcomm Incorporated Mobility procedures in wireless networks with distributed remote radio heads
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)
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
CN105323041B (zh) 2011-07-12 2019-06-07 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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