KR20070122530A - 다양한 보호 구간들을 사용하여 다중-반송파 시스템에서동기화하는 방법 - Google Patents

다양한 보호 구간들을 사용하여 다중-반송파 시스템에서동기화하는 방법 Download PDF

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Publication number
KR20070122530A
KR20070122530A KR1020077025892A KR20077025892A KR20070122530A KR 20070122530 A KR20070122530 A KR 20070122530A KR 1020077025892 A KR1020077025892 A KR 1020077025892A KR 20077025892 A KR20077025892 A KR 20077025892A KR 20070122530 A KR20070122530 A KR 20070122530A
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KR
South Korea
Prior art keywords
system information
training sequence
subchannels
guard interval
symbols
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Ceased
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KR1020077025892A
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English (en)
Korean (ko)
Inventor
올라브 티르코넨
파울리 셉피넨
미카 린네
길스 챠빗
Original Assignee
노키아 코포레이션
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Publication of KR20070122530A publication Critical patent/KR20070122530A/ko
Ceased legal-status Critical Current

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    • 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
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020077025892A 2005-04-15 2006-04-11 다양한 보호 구간들을 사용하여 다중-반송파 시스템에서동기화하는 방법 Ceased KR20070122530A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67184205P 2005-04-15 2005-04-15
US60/671,842 2005-04-15

Publications (1)

Publication Number Publication Date
KR20070122530A true KR20070122530A (ko) 2007-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077025892A Ceased KR20070122530A (ko) 2005-04-15 2006-04-11 다양한 보호 구간들을 사용하여 다중-반송파 시스템에서동기화하는 방법

Country Status (12)

Country Link
US (1) US20060250940A1 (enExample)
EP (1) EP1875698A1 (enExample)
JP (1) JP2008536426A (enExample)
KR (1) KR20070122530A (enExample)
CN (1) CN101156405A (enExample)
AP (1) AP2007004194A0 (enExample)
BR (1) BRPI0610403A2 (enExample)
MX (1) MX2007012620A (enExample)
RU (1) RU2007137563A (enExample)
TW (1) TW200704052A (enExample)
WO (1) WO2006109134A1 (enExample)
ZA (1) ZA200708721B (enExample)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070002726A1 (en) * 2005-07-01 2007-01-04 Zangi Kambiz C System and method for adapting a cyclic prefix in an orthogonal frequency division multiplexing (OFDM) system
US8064400B2 (en) 2005-07-20 2011-11-22 Interdigital Technology Corporation Method and system for supporting an evolved UTRAN
WO2007037657A2 (en) * 2005-09-30 2007-04-05 Lg Electronics Inc. A method for transmitting and receiving data using a plurality of carriers
JP4762680B2 (ja) * 2005-11-04 2011-08-31 株式会社エヌ・ティ・ティ・ドコモ キャリア方法通知方法、周辺セル測定方法、基地局装置および移動局装置
JP5108232B2 (ja) 2006-01-20 2012-12-26 富士通株式会社 無線通信システム及び無線通信方法
US7859988B2 (en) * 2006-06-22 2010-12-28 Futurewei Technologies, Inc. System for flexible cyclic prefix length for preamble symbols in an OFDM based communication system
US8077801B2 (en) 2007-01-10 2011-12-13 Qualcomm Incorporated Pilot structure with multiplexed unicast and SFN transmissions
CN106877987B (zh) * 2007-01-10 2020-08-07 高通股份有限公司 复用的单播和sfn传输的导频结构
RU2421929C2 (ru) * 2007-01-10 2011-06-20 Квэлкомм Инкорпорейтед Структура пилот-сигналов с мультиплексированными одноадресной и sfn передачами
CA2685687C (en) * 2007-04-30 2017-10-03 Interdigital Technology Corporation Cell reselection and handover with multimedia broadcast/multicast service
WO2009078005A2 (en) * 2007-12-14 2009-06-25 Full Spectrum, Inc. A system and method for the delivery of high speed data services over dedicated and non-dedicated private land mobile radio (plmr) channels using cognitive radio technology
WO2009092336A1 (zh) * 2008-01-21 2009-07-30 Huawei Technologies Co., Ltd. 利用循环前缀时隙传输信息的方法和装置
US8259828B2 (en) * 2008-02-12 2012-09-04 Mediatek Inc. Sub-carrier alignment mechanism for OFDM multi-carrier systems
US9419836B2 (en) 2008-04-25 2016-08-16 Nokia Solutions And Networks Oy Apparatus, methods, and computer program products providing an indication of cyclic prefix length
US8891350B2 (en) 2008-07-07 2014-11-18 Mediatek Inc. Method and apparatus of data transmission over guard sub-carriers in multi-carrier OFDM systems
CN101447970B (zh) * 2008-11-14 2011-06-29 中国人民解放军理工大学 利用训练序列进行lofdm系统定时和载波同步的方法
KR101695811B1 (ko) * 2009-06-02 2017-01-23 엘지전자 주식회사 다중 하향링크 반송파에 대한 측정 방법 및 이를 위한 장치
US9036999B2 (en) * 2010-07-31 2015-05-19 Alcatel Lucent Frame/symbol synchronization in coherent optical OFDM
JP5432958B2 (ja) * 2011-08-16 2014-03-05 富士通株式会社 無線通信システム及び無線通信方法
US9166837B2 (en) * 2013-06-11 2015-10-20 Qualcomm Incorporated Base station assisted frequency domain equalization
CN105409179A (zh) * 2013-07-25 2016-03-16 英派尔科技开发有限公司 正交频分复用（ofdm）系统中的定时同步
WO2015114930A1 (ja) * 2014-02-03 2015-08-06 ソニー株式会社 装置
US11855818B1 (en) * 2014-04-30 2023-12-26 Marvell Asia Pte Ltd Adaptive orthogonal frequency division multiplexing (OFDM) numerology in a wireless communication network
EP3512109B1 (en) * 2014-09-25 2021-03-03 Huawei Technologies Co., Ltd. Data communication method and related apparatus
CN108028821B (zh) * 2015-09-21 2021-09-03 瑞典爱立信有限公司 用于操作无线通信网络中的无线设备的方法和无线设备
US20180062903A1 (en) * 2016-08-31 2018-03-01 Qualcomm Incorporated Frame format with multiple guard interval lengths
CN107872417B (zh) * 2016-09-28 2022-03-01 中兴通讯股份有限公司 数据发送、接收方法及装置
JP7055421B2 (ja) * 2016-12-23 2022-04-18 フラウンホッファー－ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 無線通信システムの柔軟な交差した送信時間間隔データ部分送信
CN109218242B (zh) * 2017-06-30 2022-10-25 中兴通讯股份有限公司 符号同步方法、信号调整系统及计算机可读存储介质
CN110856096B (zh) * 2018-07-30 2022-07-15 中兴通讯股份有限公司 定位参考信号生成方法、相关装置、通信系统及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4425713C1 (de) * 1994-07-20 1995-04-20 Inst Rundfunktechnik Gmbh Verfahren zur Vielträger Modulation und Demodulation von digital codierten Daten
JP2802255B2 (ja) * 1995-09-06 1998-09-24 株式会社次世代デジタルテレビジョン放送システム研究所 直交周波数分割多重伝送方式及びそれを用いる送信装置と受信装置
US5991289A (en) * 1997-08-05 1999-11-23 Industrial Technology Research Institute Synchronization method and apparatus for guard interval-based OFDM signals
US6563841B1 (en) * 1999-08-30 2003-05-13 Nec Usa, Inc. Per-bin adaptive equalization in windowed DMT-type modem receiver
US7012881B2 (en) * 2000-12-29 2006-03-14 Samsung Electronic Co., Ltd. Timing and frequency offset estimation scheme for OFDM systems by using an analytic tone
JP3989439B2 (ja) * 2001-11-28 2007-10-10 富士通株式会社 直交周波数分割多重伝送方法
AU2003250416A1 (en) * 2002-08-13 2004-02-25 Koninklijke Philips Electronics N.V. Joint channel and noise variance estimation in a wideband ofdm system
US7602696B2 (en) * 2003-06-27 2009-10-13 Intel Corporation Adaptive guard intervals in OFDM systems
US7668199B2 (en) * 2004-06-17 2010-02-23 Texas Instruments Incorporated Methods and systems for communicating using transmitted symbols associated with multiple time durations
US20060176966A1 (en) * 2005-02-07 2006-08-10 Stewart Kenneth A Variable cyclic prefix in mixed-mode wireless communication systems
US9549434B2 (en) * 2006-03-09 2017-01-17 Qualcomm Incorporated System and method for multi-network coverage

Also Published As

Publication number Publication date
ZA200708721B (en) 2008-06-25
JP2008536426A (ja) 2008-09-04
EP1875698A1 (en) 2008-01-09
WO2006109134A1 (en) 2006-10-19
CN101156405A (zh) 2008-04-02
TW200704052A (en) 2007-01-16
US20060250940A1 (en) 2006-11-09
BRPI0610403A2 (pt) 2012-01-10
AP2007004194A0 (en) 2007-10-31
MX2007012620A (es) 2008-01-11
RU2007137563A (ru) 2009-05-20

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