JP2015506644A - マルチアンテナ通信システムにおけるパイロット電力割り当てのための方法および装置 - Google Patents

マルチアンテナ通信システムにおけるパイロット電力割り当てのための方法および装置 Download PDF

Info

Publication number
JP2015506644A
JP2015506644A JP2014554693A JP2014554693A JP2015506644A JP 2015506644 A JP2015506644 A JP 2015506644A JP 2014554693 A JP2014554693 A JP 2014554693A JP 2014554693 A JP2014554693 A JP 2014554693A JP 2015506644 A JP2015506644 A JP 2015506644A
Authority
JP
Japan
Prior art keywords
pilot power
common pilot
base station
antenna
scheduled
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
JP2014554693A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015506644A5 (https=
Inventor
ボ イェランソン，
ボ イェランソン，
エリク ラーション，
エリク ラーション，
チンユ ミャオ，
チンユ ミャオ，
サイラメッシ ナンミ，
サイラメッシ ナンミ，
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.)
Optis Cellular Technology LLC
Original Assignee
Optis Cellular Technology LLC
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 Optis Cellular Technology LLC filed Critical Optis Cellular Technology LLC
Publication of JP2015506644A publication Critical patent/JP2015506644A/ja
Publication of JP2015506644A5 publication Critical patent/JP2015506644A5/ja
Pending legal-status Critical Current

Links

Images

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)
JP2014554693A 2012-01-30 2013-01-22 マルチアンテナ通信システムにおけるパイロット電力割り当てのための方法および装置 Pending JP2015506644A (ja)

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 (2)

Publication Number Publication Date
JP2015506644A true JP2015506644A (ja) 2015-03-02
JP2015506644A5 JP2015506644A5 (https=) 2016-03-10

Family

ID=48905999

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014554693A Pending JP2015506644A (ja) 2012-01-30 2013-01-22 マルチアンテナ通信システムにおけるパイロット電力割り当てのための方法および装置

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=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP6617839B2 (ja) * 2016-05-25 2019-12-11 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． リモート無線ユニットのチャネル送信電力設定方法および基地局

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013107430A1 (zh) * 2012-01-21 2013-07-25 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100704676B1 (ko) * 2005-06-24 2007-04-06 한국전자통신연구원 이동통신 시스템에서 전송 안테나의 전력 할당을 제어하는다이버서티 전송 방법 및 기지국 전송기
US8897269B2 (en) * 2008-01-30 2014-11-25 Qualcomm Incorporated Method and apparatus for mitigating pilot pollution in a wireless network
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
ES2360328B1 (es) * 2009-04-23 2012-05-08 Vodafone España S.A.U Transmisión del canal piloto en una red de comunicación celular.
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.
CN102118841B (zh) * 2010-06-18 2015-11-25 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013107430A1 (zh) * 2012-01-21 2013-07-25 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
JP2015510293A (ja) * 2012-01-21 2015-04-02 ▲ホア▼▲ウェイ▼技術有限公司 パイロット信号送信方法、チャネル推定方法、ならびに装置およびシステム

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ERICSSON: ""4-branch MIMO for HSDPA"", 3GPP TSG-RAN WG1#65 R1-111763, JPN6016043264, 3 May 2011 (2011-05-03), ISSN: 0003436859 *
HUAWEI, HISILICON: ""Initial evaluation results for pilot design"", 3GPP TSG-RAN WG1#67 R1-113846, JPN6016043263, 8 November 2011 (2011-11-08), ISSN: 0003436858 *

Also Published As

Publication number Publication date
EP2810498A2 (en) 2014-12-10
CN104584654A (zh) 2015-04-29
KR20140127266A (ko) 2014-11-03
WO2013115706A2 (en) 2013-08-08
US9385904B2 (en) 2016-07-05
IN2014KN01650A (https=) 2015-10-23
WO2013115706A3 (en) 2013-10-10
EP2810498A4 (en) 2015-07-08
US20140056374A1 (en) 2014-02-27

Similar Documents

Publication Publication Date Title
KR101649535B1 (ko) 전송을 관리하는 라디오 노드, 사용자 장비, 및 방법
CN105103467B (zh) 基于无线电条件选择传输模式
US10129893B2 (en) Network node and method for handling cellular and D2D communications in a wireless communications network
US9385904B2 (en) Method and apparatus for pilot power allocation in a multi antenna communication system
EP2433469B1 (en) Dynamic switching between mimo and dc hsdpa
US9300369B2 (en) Methods for selecting precoding vectors for multi-point MIMO (multiple-input-multiple-output) communications and related wireless termainals and radio network nodes
US11012129B2 (en) Transmission of reference signals from a terminal device
US9515805B2 (en) Channel quality reporting in a communications system
US9356662B2 (en) Method and apparatus for transmitting feedback information of a terminal in a multi-node system
US9225403B2 (en) Method and system for enhanced transmission in mobile communication networks
US9554379B2 (en) Method and network node for link adaptation in a wireless communications network
CN110999196A (zh) 无线通信方法、用户设备和基站
US20160142123A1 (en) Evolved node-b, user equipment, and methods for channel quality indicator (cqi) feedback
JP5602652B2 (ja) 通信装置および通信方法
US20240214035A1 (en) Determination of uplink mimo transmission state for a ue
US20190037568A1 (en) Method, system and apparatus
US12250709B2 (en) Electronic device for determining reception dimension and operation method thereof
EP3075195B1 (en) A network node and method for determining downlink transmission power for a downlink shared channel
CN111106884A (zh) 控制终端上行控制信道发射方式的方法、发射方法及设备
US11742904B2 (en) Method and apparatus for multi-user multi-antenna transmission
US20230309030A1 (en) Power control method, and communication device and system
KR20250105084A (ko) 전력 감소를 위한 사용자 기기 및 이를 포함하는 무선 통신 시스템의 동작 방법
KR20250138258A (ko) 공간 적응을 위한 디바이스들, 방법들 및 장치들
CN120934707A (zh) 通信方法和通信装置
KR20140072816A (ko) 다중 안테나를 사용하는 통신 시스템에서 데이터의 송수신 방법 및 장치

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160115

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160115

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20161104

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20161111

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20170721