DK2537265T3 - Fremgangsmåde og indretning til tilpasning af effekt af referencesignaler - Google Patents

Fremgangsmåde og indretning til tilpasning af effekt af referencesignaler Download PDF

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Publication number
DK2537265T3
DK2537265T3 DK10845985.0T DK10845985T DK2537265T3 DK 2537265 T3 DK2537265 T3 DK 2537265T3 DK 10845985 T DK10845985 T DK 10845985T DK 2537265 T3 DK2537265 T3 DK 2537265T3
Authority
DK
Denmark
Prior art keywords
reference signals
adjusting power
adjusting
power
signals
Prior art date
Application number
DK10845985.0T
Other languages
English (en)
Inventor
Yang Hu
David Astely
Jianfeng Wang
George Jöngren
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK2537265T3 publication Critical patent/DK2537265T3/da

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Classifications

    • 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
    • H04B7/0426—Power distribution
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
DK10845985.0T 2010-02-17 2010-11-29 Fremgangsmåde og indretning til tilpasning af effekt af referencesignaler DK2537265T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2010/000214 WO2011100857A1 (en) 2010-02-17 2010-02-17 Method and apparatus for improving demodulation performance using demodulation reference signals power boosting
PCT/CN2010/001909 WO2011100863A1 (en) 2010-02-17 2010-11-29 Method and arrangement for adapting power of reference signals

Publications (1)

Publication Number Publication Date
DK2537265T3 true DK2537265T3 (da) 2020-01-02

Family

ID=44370011

Family Applications (1)

Application Number Title Priority Date Filing Date
DK10845985.0T DK2537265T3 (da) 2010-02-17 2010-11-29 Fremgangsmåde og indretning til tilpasning af effekt af referencesignaler

Country Status (10)

Country Link
US (2) US8649793B2 (da)
EP (1) EP2537265B1 (da)
CN (2) CN105813211B (da)
CA (1) CA2790293C (da)
DK (1) DK2537265T3 (da)
ES (1) ES2763212T3 (da)
HK (1) HK1226235A1 (da)
PL (1) PL2537265T3 (da)
PT (1) PT2537265T (da)
WO (2) WO2011100857A1 (da)

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ES2590345T3 (es) 2010-02-19 2016-11-21 Lg Electronics Inc. Dispositivo de terminal para controlar la potencia de transmisión de enlace ascendente y procedimiento para este
US9179427B2 (en) * 2010-05-07 2015-11-03 Qualcomm Incorporated Transmission power dependent imbalance compensation for multi-antenna systems
BR112013007615B1 (pt) * 2010-10-01 2021-10-13 Telefonaktiebolaget Lm Ericsson (Publ) Métodos para adaptações de classificação para transmissões sobre um canal de múltipla entrada múltipla saída e nós relacionados
CN103782560B (zh) * 2011-03-30 2017-10-24 华为技术有限公司 多天线无线通信***中的开环传输的方法和装置
CN102916920B (zh) * 2011-08-05 2015-04-15 华为技术有限公司 一种导频信号发送方法和设备
US20130215992A1 (en) * 2012-02-21 2013-08-22 Muhammad Kazmi Receiver adaptation based on acquired precoder knowledge
EP2829129B1 (en) * 2012-03-19 2017-05-24 Telefonaktiebolaget LM Ericsson (publ) User equipment, base station and methods related to multile input multiple output
US9510132B2 (en) 2012-05-11 2016-11-29 Qualcomm Incorporation Methods and apparatus for managing machine-type communications
EP3493631B1 (en) * 2012-11-28 2022-11-02 Samsung Electronics Co., Ltd. Method and apparatus for performing communication in a wireless communication system
KR102117024B1 (ko) * 2012-11-28 2020-06-01 삼성전자 주식회사 무선 통신 시스템의 통신 방법 및 장치
GB2510367C (en) * 2013-01-31 2021-08-11 Sony Corp Telecommunications apparatus and methods
KR102018316B1 (ko) * 2013-02-28 2019-09-05 삼성전자 주식회사 무선 통신 시스템에서 간섭 측정을 위한 제어정보의 전송 방법 및 장치
CN104753647B (zh) 2013-12-30 2018-06-19 华为技术有限公司 一种信号发送方法及装置
BR112016028057B1 (pt) * 2014-06-12 2023-02-23 Huawei Technoligies Co., Ltd Método de alocação de recursos e estação base
EP3294012B1 (en) 2014-08-28 2021-10-27 Telefonaktiebolaget LM Ericsson (publ) Network node and method for managing power of cell reference symbols
KR102287875B1 (ko) * 2015-04-17 2021-08-09 삼성전자주식회사 무선 통신 시스템에서 기준 신호들을 송신하기 위한 장치 및 방법
US10925005B2 (en) * 2016-03-25 2021-02-16 Apple Inc. Uplink power control for 5G systems
US10660047B2 (en) 2016-04-28 2020-05-19 Sony Mobile Communications Inc. Transmit power of pilot signals
CN110073628B (zh) * 2016-10-24 2022-05-17 瑞典爱立信有限公司 用于实现对参考信号的测量的方法和网络节点
CN110492985B (zh) * 2016-12-21 2020-09-18 华为技术有限公司 参考信号的接收方法、装置、终端设备和计算机可读介质
CN108259149B (zh) * 2016-12-29 2023-05-05 华为技术有限公司 发送/接收参考信号的方法及终端设备、网络设备
US11259248B2 (en) * 2017-09-18 2022-02-22 Qualcomm Incorporated Handling power transitions in new radio
GB2572390B (en) 2018-03-28 2021-03-10 Samsung Electronics Co Ltd Reference signal power boosting in a telecommunication system
KR20220081361A (ko) * 2019-10-04 2022-06-15 엘지전자 주식회사 무선 통신 시스템에서 신호를 송수신 하는 방법 및 이를 지원하는 장치
US11729757B2 (en) * 2021-01-05 2023-08-15 Qualcomm Incorporated Power level determination for transmission of reference signals

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KR100705448B1 (ko) * 2005-12-09 2007-04-09 한국전자통신연구원 다중 안테나로 구성된 ｏｆｄｍ에서 채널 정보 및 코드북을이용한 송신 전력 할당 방법 및 장치
US8831116B2 (en) * 2007-03-20 2014-09-09 Motorola Mobility Llc Method and apparatus for providing channel quality and precoding metric feedback in an orthogonal frequency division multiplexing communication system
KR20080114452A (ko) * 2007-06-26 2008-12-31 엘지전자 주식회사 다중 안테나 시스템에서 데이터 전송방법 및 코드북구성방법
RU2460216C2 (ru) * 2007-07-06 2012-08-27 Телефонактиеболагет Лм Эрикссон (Пабл) Установка максимальной мощности в базовой станции системы мобильной связи, имеющей множество антенн
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CN101394208B (zh) * 2008-10-10 2012-12-19 安徽创毅通信科技有限公司 Mimo***的指示功率分配方法、***、基站及用户终端
CN101621492A (zh) * 2009-08-14 2010-01-06 中兴通讯股份有限公司 一种专用解调数据参考信号的资源确定方法
WO2011054148A1 (zh) * 2009-11-06 2011-05-12 华为技术有限公司 一种资源配置方法和装置
JP5108035B2 (ja) * 2010-01-06 2012-12-26 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、移動局装置及び制御情報送信方法

Also Published As

Publication number Publication date
CN105813211A (zh) 2016-07-27
EP2537265A4 (en) 2014-01-22
US20110201376A1 (en) 2011-08-18
HK1226235A1 (zh) 2017-09-22
EP2537265A1 (en) 2012-12-26
PT2537265T (pt) 2019-12-02
US8649793B2 (en) 2014-02-11
CN102792610B (zh) 2016-04-13
CN102792610A (zh) 2012-11-21
US8948769B2 (en) 2015-02-03
PL2537265T3 (pl) 2020-05-18
EP2537265B1 (en) 2019-10-02
CA2790293C (en) 2017-10-31
WO2011100857A1 (en) 2011-08-25
US20140036846A1 (en) 2014-02-06
WO2011100863A1 (en) 2011-08-25
CN105813211B (zh) 2019-03-08
CA2790293A1 (en) 2011-08-25
ES2763212T3 (es) 2020-05-27
WO2011100857A9 (en) 2011-10-20

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