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WO2008146673A1 - 移動通信システム、基地局装置、ユーザ装置及び方法 - Google Patents

移動通信システム、基地局装置、ユーザ装置及び方法 Download PDF

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Publication number
WO2008146673A1
WO2008146673A1 PCT/JP2008/059329 JP2008059329W WO2008146673A1 WO 2008146673 A1 WO2008146673 A1 WO 2008146673A1 JP 2008059329 W JP2008059329 W JP 2008059329W WO 2008146673 A1 WO2008146673 A1 WO 2008146673A1
Authority
WO
WIPO (PCT)
Prior art keywords
sequence
base station
communication system
mobile communication
reference signal
Prior art date
Application number
PCT/JP2008/059329
Other languages
English (en)
French (fr)
Inventor
Yoshihisa Kishiyama
Kenichi Higuchi
Mamoru Sawahashi
Original Assignee
Ntt Docomo, Inc.
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 Ntt Docomo, Inc. filed Critical Ntt Docomo, Inc.
Priority to EP20080764452 priority Critical patent/EP2152018A4/en
Priority to CN2008800256519A priority patent/CN101779429B/zh
Priority to US12/601,840 priority patent/US8422355B2/en
Publication of WO2008146673A1 publication Critical patent/WO2008146673A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • 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
    • 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
    • H04L5/0016—Time-frequency-code
    • 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

　移動通信システムで使用される基地局装置は、リファレンス信号を生成する手段と、リファレンス信号を含む送信シンボルを生成する手段と、送信シンボルをセクタ毎に送信する手段と、無線伝搬状況を監視する手段とを有する。少なくとも隣接セルと自セルの間で異なる非直交な符合系列で構成される第1系列に第２系列を乗算することで、リファレンス信号が生成される。第２系列を、セクタ間で異なる直交符合系列で又は非直交な符合系列で構成するかは、無線伝搬状況に応じて決定される。
PCT/JP2008/059329 2007-05-25 2008-05-21 移動通信システム、基地局装置、ユーザ装置及び方法 WO2008146673A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20080764452 EP2152018A4 (en) 2007-05-25 2008-05-21 MOBILE COMMUNICATION SYSTEM, BASIC STATION DEVICE, USER DEVICE AND METHOD
CN2008800256519A CN101779429B (zh) 2007-05-25 2008-05-21 移动通信系统、基站装置、用户装置和方法
US12/601,840 US8422355B2 (en) 2007-05-25 2008-05-21 Mobile communication system, base station apparatus, user apparatus and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-139719 2007-05-25
JP2007139719A JP5006106B2 (ja) 2007-05-25 2007-05-25 移動通信システム、基地局装置、ユーザ装置及び方法

Publications (1)

Publication Number Publication Date
WO2008146673A1 true WO2008146673A1 (ja) 2008-12-04

Family

ID=40074931

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/059329 WO2008146673A1 (ja) 2007-05-25 2008-05-21 移動通信システム、基地局装置、ユーザ装置及び方法

Country Status (6)

Country Link
US (1) US8422355B2 (ja)
EP (1) EP2152018A4 (ja)
JP (1) JP5006106B2 (ja)
KR (1) KR20100031678A (ja)
CN (1) CN101779429B (ja)
WO (1) WO2008146673A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101218845B (zh) * 2005-07-29 2013-02-27 松下电器产业株式会社 多载波通信中的无线通信基站装置、无线通信移动台装置和导频信号序列分配方法
JP4447575B2 (ja) * 2006-05-01 2010-04-07 株式会社エヌ・ティ・ティ・ドコモ 送信装置及び送信方法
CN102804878A (zh) 2009-06-22 2012-11-28 夏普株式会社 通信系统、移动站、基站以及通信方法
US8693420B2 (en) 2011-08-10 2014-04-08 Futurewei Technologies, Inc. System and method for signaling and transmitting uplink reference signals
US10038534B2 (en) 2012-01-19 2018-07-31 Sun Patent Trust Method of scrambling reference signals, device and user equipment using the method
CN107181581B (zh) * 2012-01-19 2021-06-01 太阳专利信托公司 用户设备和接收方法
KR101966186B1 (ko) * 2013-05-10 2019-04-05 삼성전자주식회사 다중 서브 셀을 포함하는 무선 통신 시스템에서 서빙 서브 셀 결정 방법 및 장치
WO2016136491A1 (ja) * 2015-02-23 2016-09-01 京セラ株式会社 送信装置及び受信装置
TWI609577B (zh) * 2016-01-29 2017-12-21 財團法人工業技術研究院 執行上行鏈路通道估測的方法及使用所述方法的基地台
CN110855586B (zh) * 2016-07-08 2022-08-26 北京紫光展锐通信技术有限公司 导频信号传输方法
CN109952728B (zh) * 2016-09-28 2022-06-14 Idac控股公司 用于新无线电的控制信道
CN116250200B (zh) * 2020-09-30 2024-12-20 华为技术有限公司 通信方法及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007089113A (ja) * 2005-06-14 2007-04-05 Ntt Docomo Inc 送信装置、送信方法、受信装置及び受信方法
JP2008118310A (ja) * 2006-11-01 2008-05-22 Ntt Docomo Inc 基地局、ユーザ装置及び方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3485117B2 (ja) * 1993-09-10 2004-01-13 ドイチェ トムソン−ブラント ゲーエムベーハー Ｏｆｄｍ方式の基準信号の伝送方法
US5867478A (en) * 1997-06-20 1999-02-02 Motorola, Inc. Synchronous coherent orthogonal frequency division multiplexing system, method, software and device
CN100355219C (zh) * 2002-06-14 2007-12-12 华为技术有限公司 阵列收发系统中的参考信号发射接收方法及其应用
CN1806406A (zh) * 2003-06-18 2006-07-19 三星电子株式会社 在正交频分复用通信系统中发送和接收用于基站识别的导频模式的设备和方法
EP1542488A1 (en) * 2003-12-12 2005-06-15 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for allocating a pilot signal adapted to the channel characteristics
US8004959B2 (en) * 2004-07-06 2011-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Different orthogonal code sets with members in common
US9088384B2 (en) * 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007089113A (ja) * 2005-06-14 2007-04-05 Ntt Docomo Inc 送信装置、送信方法、受信装置及び受信方法
JP2008118310A (ja) * 2006-11-01 2008-05-22 Ntt Docomo Inc 基地局、ユーザ装置及び方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2152018A4 *

Also Published As

Publication number Publication date
KR20100031678A (ko) 2010-03-24
JP2008294862A (ja) 2008-12-04
US20100177688A1 (en) 2010-07-15
CN101779429A (zh) 2010-07-14
CN101779429B (zh) 2013-11-06
EP2152018A4 (en) 2015-02-25
US8422355B2 (en) 2013-04-16
EP2152018A1 (en) 2010-02-10
JP5006106B2 (ja) 2012-08-22

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