CN104584654A - 用于多天线通信系统中的导频功率分配的方法和装置 - Google Patents

用于多天线通信系统中的导频功率分配的方法和装置 Download PDF

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Publication number
CN104584654A
CN104584654A CN201380007094.9A CN201380007094A CN104584654A CN 104584654 A CN104584654 A CN 104584654A CN 201380007094 A CN201380007094 A CN 201380007094A CN 104584654 A CN104584654 A CN 104584654A
Authority
CN
China
Prior art keywords
frequency power
transmitting antenna
guide frequency
scheduled
subscriber equipment
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201380007094.9A
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English (en)
Chinese (zh)
Inventor
博·戈兰森
埃里克·拉尔森
缪庆育
塞拉梅斯·纳米
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ao Pudisi Cellular Technology Co Ltd
Original Assignee
Ao Pudisi Cellular Technology Co Ltd
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 Ao Pudisi Cellular Technology Co Ltd filed Critical Ao Pudisi Cellular Technology Co Ltd
Publication of CN104584654A publication Critical patent/CN104584654A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • 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
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—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
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/143—Downlink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201380007094.9A 2012-01-30 2013-01-22 用于多天线通信系统中的导频功率分配的方法和装置 Pending CN104584654A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261592319P 2012-01-30 2012-01-30
US61/592,319 2012-01-30
PCT/SE2013/050047 WO2013115706A2 (en) 2012-01-30 2013-01-22 Method and apparatus for pilot power allocation in a multi antenna communication system

Publications (1)

Publication Number Publication Date
CN104584654A true CN104584654A (zh) 2015-04-29

Family

ID=48905999

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380007094.9A Pending CN104584654A (zh) 2012-01-30 2013-01-22 用于多天线通信系统中的导频功率分配的方法和装置

Country Status (7)

Country Link
US (1) US9385904B2 (https=)
EP (1) EP2810498A4 (https=)
JP (1) JP2015506644A (https=)
KR (1) KR20140127266A (https=)
CN (1) CN104584654A (https=)
IN (1) IN2014KN01650A (https=)
WO (1) WO2013115706A2 (https=)

Cited By (1)

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WO2017201688A1 (zh) * 2016-05-25 2017-11-30 华为技术有限公司 射频拉远单元通道发射功率设置的方法和基站

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WO2013137814A2 (en) * 2012-03-16 2013-09-19 Telefonaktiebolaget L M Ericsson (Publ) Pilot channel configuration for mimo network
CN102655486B (zh) * 2012-05-10 2014-12-31 华为技术有限公司 一种导频信号发射方法、信道估计方法、装置及系统
US8885590B2 (en) 2012-05-18 2014-11-11 Futurewei Technologies, Inc. Systems and methods for scheduling multiple-input and multiple-output (MIMO) high-speed downlink packet access (HSDPA) pilot channels
IN2015DN02354A (https=) * 2012-11-14 2015-08-28 Ericsson Telefon Ab L M
EP2822344B1 (en) * 2013-07-03 2016-03-23 Telefonaktiebolaget LM Ericsson (publ) Transmission rank selection when deploying a shared radio cell
US9439153B1 (en) * 2014-04-07 2016-09-06 Sprint Spectrum L.P. Systems and methods for determining a power option for an access node
US10903951B2 (en) 2015-06-05 2021-01-26 Futurewei Technologies, Inc. Systems and methods for adaptive pilot allocation

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US20080214128A1 (en) * 2005-06-24 2008-09-04 Samsung Electronics Co., Ltd. Diversity Transmission Method and Transmitter of a Base Station Using the Same in a Mobile Commmunication System
CN101527699A (zh) * 2008-03-04 2009-09-09 中兴通讯股份有限公司 一种ofdma系统中的自适应导频分配装置及方法
US20100273500A1 (en) * 2009-04-23 2010-10-28 Vodafone Group Plc Pilot channel transmission in a cellular communication network
CN101983531A (zh) * 2008-01-30 2011-03-02 高通股份有限公司 用于在无线网络中减轻导频污染的方法和装置
CN102118841A (zh) * 2010-06-18 2011-07-06 电信科学技术研究院 测量导频的发送和接收方法及装置、信道质量指示反馈方法和装置

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US7218948B2 (en) 2003-02-24 2007-05-15 Qualcomm Incorporated Method of transmitting pilot tones in a multi-sector cell, including null pilot tones, for generating channel quality indicators
ES2360329B1 (es) * 2009-07-14 2012-05-08 Vodafone España, S.A.U. Método y controlador de red radio para seleccionar una tecnolog�?a de trasmisión para comunicaciones en redes móviles de �?rea amplia.
CN103220028B (zh) * 2012-01-21 2016-03-30 华为技术有限公司 导频信号发射方法、信道估计方法、装置及系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080214128A1 (en) * 2005-06-24 2008-09-04 Samsung Electronics Co., Ltd. Diversity Transmission Method and Transmitter of a Base Station Using the Same in a Mobile Commmunication System
CN101983531A (zh) * 2008-01-30 2011-03-02 高通股份有限公司 用于在无线网络中减轻导频污染的方法和装置
CN101527699A (zh) * 2008-03-04 2009-09-09 中兴通讯股份有限公司 一种ofdma系统中的自适应导频分配装置及方法
US20100273500A1 (en) * 2009-04-23 2010-10-28 Vodafone Group Plc Pilot channel transmission in a cellular communication network
CN102118841A (zh) * 2010-06-18 2011-07-06 电信科学技术研究院 测量导频的发送和接收方法及装置、信道质量指示反馈方法和装置

Non-Patent Citations (1)

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Title
ERICSSON: "Initial discussion on pilot design for 4-branch MIMO", 《3GPP TSG RAN WG1 MEETING#66BIS;R1-113431》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017201688A1 (zh) * 2016-05-25 2017-11-30 华为技术有限公司 射频拉远单元通道发射功率设置的方法和基站
CN109155975A (zh) * 2016-05-25 2019-01-04 华为技术有限公司 射频拉远单元通道发射功率设置的方法和基站

Also Published As

Publication number Publication date
EP2810498A2 (en) 2014-12-10
KR20140127266A (ko) 2014-11-03
WO2013115706A2 (en) 2013-08-08
US9385904B2 (en) 2016-07-05
JP2015506644A (ja) 2015-03-02
IN2014KN01650A (https=) 2015-10-23
WO2013115706A3 (en) 2013-10-10
EP2810498A4 (en) 2015-07-08
US20140056374A1 (en) 2014-02-27

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