JP4675251B2 - 基地局及び送信方法 - Google Patents

基地局及び送信方法 Download PDF

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Publication number
JP4675251B2
JP4675251B2 JP2006031746A JP2006031746A JP4675251B2 JP 4675251 B2 JP4675251 B2 JP 4675251B2 JP 2006031746 A JP2006031746 A JP 2006031746A JP 2006031746 A JP2006031746 A JP 2006031746A JP 4675251 B2 JP4675251 B2 JP 4675251B2
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JP
Japan
Prior art keywords
channel
pilot channel
multiplied
scramble code
pilot
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.)
Expired - Fee Related
Application number
JP2006031746A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007214822A (ja
Inventor
祥久 岸山
健一 樋口
衛 佐和橋
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.)
NTT Docomo Inc
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
Priority to JP2006031746A priority Critical patent/JP4675251B2/ja
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to CN2007800125630A priority patent/CN101416410B/zh
Priority to KR20087021126A priority patent/KR20080102377A/ko
Priority to EP07708181.8A priority patent/EP1983792A4/en
Priority to PCT/JP2007/052142 priority patent/WO2007091607A1/ja
Priority to US12/278,720 priority patent/US8442220B2/en
Priority to TW096104595A priority patent/TW200737804A/zh
Publication of JP2007214822A publication Critical patent/JP2007214822A/ja
Application granted granted Critical
Publication of JP4675251B2 publication Critical patent/JP4675251B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04L5/0026—Division using four or more dimensions, e.g. beam steering or quasi-co-location [QCL]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • 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
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • 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
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
JP2006031746A 2006-02-08 2006-02-08 基地局及び送信方法 Expired - Fee Related JP4675251B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2006031746A JP4675251B2 (ja) 2006-02-08 2006-02-08 基地局及び送信方法
KR20087021126A KR20080102377A (ko) 2006-02-08 2007-02-07 송신장치 및 송신방법
EP07708181.8A EP1983792A4 (en) 2006-02-08 2007-02-07 TRANSMISSION APPARATUS AND TRANSMISSION METHOD
PCT/JP2007/052142 WO2007091607A1 (ja) 2006-02-08 2007-02-07 送信装置及び送信方法
CN2007800125630A CN101416410B (zh) 2006-02-08 2007-02-07 发送装置和发送方法
US12/278,720 US8442220B2 (en) 2006-02-08 2007-02-07 Transmission apparatus and transmission method
TW096104595A TW200737804A (en) 2006-02-08 2007-02-08 Transmission device and transmission method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006031746A JP4675251B2 (ja) 2006-02-08 2006-02-08 基地局及び送信方法

Publications (2)

Publication Number Publication Date
JP2007214822A JP2007214822A (ja) 2007-08-23
JP4675251B2 true JP4675251B2 (ja) 2011-04-20

Family

ID=38345203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006031746A Expired - Fee Related JP4675251B2 (ja) 2006-02-08 2006-02-08 基地局及び送信方法

Country Status (7)

Country Link
US (1) US8442220B2 (enExample)
EP (1) EP1983792A4 (enExample)
JP (1) JP4675251B2 (enExample)
KR (1) KR20080102377A (enExample)
CN (1) CN101416410B (enExample)
TW (1) TW200737804A (enExample)
WO (1) WO2007091607A1 (enExample)

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* Cited by examiner, † Cited by third party
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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
CN101098159B (zh) * 2006-06-27 2010-11-10 上海贝尔阿尔卡特股份有限公司 演进的多媒体广播和组播业务数据的发送接收方法及设备
KR100970003B1 (ko) 2007-05-02 2010-07-16 한국전자통신연구원 신호 송신 방법 및 장치
KR101108781B1 (ko) 2007-12-27 2012-02-27 엘지전자 주식회사 무선통신 시스템에서 데이터 전송방법
EP2243225A4 (en) * 2008-02-01 2014-08-20 Apple Inc SYSTEM AND METHOD FOR SPATIAL MULTIPLEX MULTIPLEX BROADCAST / MULTICAST BROADCAST TRANSMISSION
JP5658658B2 (ja) * 2008-04-30 2015-01-28 コーニンクレッカ フィリップス エヌ ヴェ 無線局にリソースを通知するための方法及びそのための無線局
JP5093912B2 (ja) * 2008-06-24 2012-12-12 シャープ株式会社 無線通信システム、移動局装置および無線受信方法
JP5089504B2 (ja) * 2008-07-01 2012-12-05 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、基地局及びユーザ装置並びに方法
JP5163351B2 (ja) * 2008-08-04 2013-03-13 富士通モバイルコミュニケーションズ株式会社 Ｏｆｄｍ信号の送信方法、ｏｆｄｍ送信機、およびｏｆｄｍ受信機
US20100290449A1 (en) * 2008-08-20 2010-11-18 Qualcomm Incorporated Preamble extensions
JP5223606B2 (ja) * 2008-11-07 2013-06-26 富士通モバイルコミュニケーションズ株式会社 通信処理システム、ｏｆｄｍ信号送信方法、ｏｆｄｍ送信機、ｏｆｄｍ受信機、および制御局
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
US8711672B2 (en) 2008-12-30 2014-04-29 Acer Incorporated Wireless communication system using pilot allocation, method and pilot pattern thereof
CN102301811B (zh) * 2009-04-28 2014-02-12 上海贝尔股份有限公司 对用于mbsfn传输的无线资源进行动态调度的方法、mce和基站
CN104617992B (zh) * 2009-06-15 2018-05-01 富士通株式会社 无线通信系统、基站装置、终端装置以及无线通信方法
JP5338907B2 (ja) 2009-06-15 2013-11-13 富士通株式会社 無線通信システム、基地局装置、端末装置、及び無線通信システムにおける無線通信方法
CN101931437A (zh) * 2009-06-19 2010-12-29 松下电器产业株式会社 无线通信系统中的解调参考信号设置方法及装置
WO2011042066A1 (en) * 2009-10-09 2011-04-14 Nokia Corporation Symbol index identification employing scrambling sequences
US8837612B2 (en) 2011-06-17 2014-09-16 Microsoft Corporation Multiple independent narrow channels in wireless networks
JP5605471B2 (ja) * 2013-07-22 2014-10-15 富士通株式会社 無線通信システム、基地局装置、端末装置、及び無線通信システムにおける無線通信方法
WO2016106489A1 (zh) * 2014-12-29 2016-07-07 华为技术有限公司 传输帧的发送、接收方法及装置、设备
US20160212749A1 (en) * 2015-01-19 2016-07-21 Qualcomm Incorporated Systems and methods for use of multiple modulation and coding schemes in a physical protocol data unit
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
US10505772B2 (en) 2016-10-26 2019-12-10 Qualcomm Incorporated Non-staggered reference signals and repeated pilots in orthogonal frequency-division multiplexing
US10686490B2 (en) * 2017-09-28 2020-06-16 Qualcomm Incorporated Modulation spreading for wireless communications

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JP3694479B2 (ja) * 2001-12-07 2005-09-14 松下電器産業株式会社 マルチキャリア送受信装置、マルチキャリア無線通信方法、およびマルチキャリア無線通信用プログラム
JP2003319005A (ja) * 2002-02-20 2003-11-07 Mitsubishi Electric Corp シンボルタイミング補正回路、受信機、シンボルタイミング補正方法、及び復調処理方法
EP1467586B1 (en) * 2003-04-09 2010-05-19 Samsung Electronics Co., Ltd. Method for cell reselection in an MBMS mobile communication system
JP4750373B2 (ja) * 2004-04-28 2011-08-17 株式会社エヌ・ティ・ティ・ドコモ 無線制御装置、移動通信システムおよび通信制御方法
JP2006031746A (ja) 2004-07-12 2006-02-02 Sony Corp 光ピックアップ装置
JP4181093B2 (ja) * 2004-07-16 2008-11-12 株式会社東芝 無線通信システム

Also Published As

Publication number Publication date
EP1983792A1 (en) 2008-10-22
CN101416410A (zh) 2009-04-22
JP2007214822A (ja) 2007-08-23
TW200737804A (en) 2007-10-01
EP1983792A4 (en) 2014-02-19
US20090296925A1 (en) 2009-12-03
WO2007091607A1 (ja) 2007-08-16
US8442220B2 (en) 2013-05-14
KR20080102377A (ko) 2008-11-25
CN101416410B (zh) 2013-01-16
TWI335737B (enExample) 2011-01-01

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