TW200729889A - Method of transmitting signals for initial synchronization in a wireless communication system using orthogonal frequency division multiplexing (OFDM) or OFDM access (OFDMA) scheme - Google Patents

Method of transmitting signals for initial synchronization in a wireless communication system using orthogonal frequency division multiplexing (OFDM) or OFDM access (OFDMA) scheme

Info

Publication number
TW200729889A
TW200729889A TW095141035A TW95141035A TW200729889A TW 200729889 A TW200729889 A TW 200729889A TW 095141035 A TW095141035 A TW 095141035A TW 95141035 A TW95141035 A TW 95141035A TW 200729889 A TW200729889 A TW 200729889A
Authority
TW
Taiwan
Prior art keywords
ofdm
ofdma
scheme
wireless communication
communication system
Prior art date
Application number
TW095141035A
Other languages
English (en)
Inventor
Hak-Seong Kim
Bong-Hoe Kim
Joon-Kui Ahn
Dong-Youn Seo
Dong-Wook Roh
Jung Hoon Lee
Original Assignee
Lg Electronics 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 Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of TW200729889A publication Critical patent/TW200729889A/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/10—Arrangements for initial synchronisation
    • 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
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
TW095141035A 2005-11-04 2006-11-06 Method of transmitting signals for initial synchronization in a wireless communication system using orthogonal frequency division multiplexing (OFDM) or OFDM access (OFDMA) scheme TW200729889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050105527A KR101259100B1 (ko) 2005-11-04 2005-11-04 Ｏｆｄｍ 또는 ｏｆｄｍａ 무선 이동통신 시스템에서의초기 동기를 위한 신호 전송 방법, 초기 동기 획득 방법 및이동통신용 단말

Publications (1)

Publication Number Publication Date
TW200729889A true TW200729889A (en) 2007-08-01

Family

ID=38006325

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095141035A TW200729889A (en) 2005-11-04 2006-11-06 Method of transmitting signals for initial synchronization in a wireless communication system using orthogonal frequency division multiplexing (OFDM) or OFDM access (OFDMA) scheme

Country Status (5)

Country Link
US (1) US20070121484A1 (zh)
KR (1) KR101259100B1 (zh)
CN (1) CN101518003A (zh)
TW (1) TW200729889A (zh)
WO (1) WO2007052981A2 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009025358A1 (ja) * 2007-08-23 2009-02-26 Takeda Pharmaceutical Company Limited 複素環化合物およびその用途
US20090097452A1 (en) * 2007-10-12 2009-04-16 Qualcomm Incorporated Femto cell synchronization and pilot search methodology
US9867203B2 (en) * 2008-07-11 2018-01-09 Qualcomm Incorporated Synchronous TDM-based communication in dominant interference scenarios
US9166672B2 (en) * 2008-10-28 2015-10-20 Icom Incorporated Wireless communication system, relay system, repeater devices and synchronization method
US9609536B2 (en) * 2010-04-13 2017-03-28 Qualcomm Incorporated Measurement of received power and received quality in a wireless communication network
US9485069B2 (en) 2010-04-15 2016-11-01 Qualcomm Incorporated Transmission and reception of proximity detection signal for peer discovery
EP2749058B1 (en) * 2011-12-27 2019-10-23 Telefonaktiebolaget LM Ericsson (publ) Method and radio network node for smooth change of bandwidth usage for a rat in a radio communication system.
US9848397B2 (en) 2012-11-04 2017-12-19 Lg Electronics Inc. Synchronizing signal receiving method and user equipment, and synchronizing signal transmitting method and base station
US10588102B2 (en) 2017-01-24 2020-03-10 Qualcomm Incorporated Coordinated synchronization channel transmission and restricted measurement
EP3399809A1 (en) 2017-05-02 2018-11-07 Fujitsu Limited Synchronization signals in 5g
US11071074B2 (en) * 2017-06-08 2021-07-20 Qualcomm Incorporated Techniques and apparatuses for configuring resources for synchronization in a wireless backhaul network

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3058793B2 (ja) * 1994-03-18 2000-07-04 株式会社日立製作所 無線通信方式
KR100186930B1 (ko) 1996-03-13 1999-05-15 (소장)배문한 직교성 주파수 분할 다중화 방식 신호를 이용한초기프레임동기화방법
US6373861B1 (en) 1998-12-01 2002-04-16 Samsung Electronics Co, Ltd. Frequency synchronizing device for OFDM/CDMA system
JP2001103033A (ja) * 1999-09-30 2001-04-13 Hitachi Denshi Ltd データ伝送装置
JP3581072B2 (ja) * 2000-01-24 2004-10-27 株式会社エヌ・ティ・ティ・ドコモ チャネル構成方法及びその方法を利用する基地局
US6829486B2 (en) * 2000-08-14 2004-12-07 Vesuvius Communique system for combined cellular and wireline communication networks
US6721569B1 (en) * 2000-09-29 2004-04-13 Nortel Networks Limited Dynamic sub-carrier assignment in OFDM systems
US6947748B2 (en) * 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
KR100770231B1 (ko) * 2001-10-16 2007-10-26 텔레폰악티에볼라겟 엘엠 에릭슨(펍) 시분할 이중화 ｃｄｍａ 시스템에서의 이동 장치의 동기화방법
EP1530858B1 (en) * 2002-07-16 2010-12-15 IHP GmbH-Innovations for High Performance Microelectronics / Leibniz-Institut für innovative Mikroelektronik Method and device for frame detection and synchronizer
KR100507519B1 (ko) * 2002-12-13 2005-08-17 한국전자통신연구원 Ｏｆｄｍａ 기반 셀룰러 시스템의 하향링크를 위한 신호구성 방법 및 장치
US7280467B2 (en) 2003-01-07 2007-10-09 Qualcomm Incorporated Pilot transmission schemes for wireless multi-carrier communication systems
KR100594597B1 (ko) * 2003-10-24 2006-06-30 한국전자통신연구원 이동통신시스템에서의 하향링크 신호 구성 방법 및 그장치와, 이를 이용한 동기화 및 셀 탐색 방법과 그 장치
KR100918730B1 (ko) * 2003-10-27 2009-09-24 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서기지국 구분을 위한 파일럿 패턴 세트 송수신 장치 및 방법
GB2411555A (en) * 2004-02-27 2005-08-31 Toshiba Res Europ Ltd CDMA system with 2D spreading where the spreading codes/factors depend upon the number of active users
EP1594330A1 (en) * 2004-05-04 2005-11-09 Alcatel Methods for terminal assisted coordinated radio serving and interference avoidance in OFDM mobile communication system
US7263359B2 (en) * 2005-01-21 2007-08-28 Samsung Electronics Co., Ltd. Handoff mechanism for CDMA wireless network using dynamically scalable traffic channels
US20060291577A1 (en) * 2005-05-26 2006-12-28 Adrian Boariu System and method for selecting pilot tone positions in communication systems
WO2007020512A2 (en) * 2005-08-12 2007-02-22 Nokia Corporation Method, system, apparatus and computer program product for placing pilots in a multicarrier mimo system

Also Published As

Publication number Publication date
WO2007052981A2 (en) 2007-05-10
CN101518003A (zh) 2009-08-26
KR20070048436A (ko) 2007-05-09
KR101259100B1 (ko) 2013-04-26
US20070121484A1 (en) 2007-05-31
WO2007052981A3 (en) 2009-05-14

Similar Documents

Publication Publication Date Title
TW200729889A (en) Method of transmitting signals for initial synchronization in a wireless communication system using orthogonal frequency division multiplexing (OFDM) or OFDM access (OFDMA) scheme
RU2010152825A (ru) Способ передачи зондирующего опорного сигнала в системе lte tdd
CN101651469B (zh) 用于lte系统中发送上行监测参考符号的跳频方法
GB2459807A (en) Method of transmitting control signals in wireless communication system
MX2011010086A (es) Metodo y aparato para generar señales de referencia para la estimacion precisa de la diferencia del tiempo de arribo.
WO2009082120A3 (en) Method for transmitting data in wireless communication system
WO2011074807A3 (en) Systems and methods for transmitting channel quality information in wireless communication systems
WO2010138921A3 (en) Signal transmission with fixed subcarrier spacing within ofdma communication systems
WO2010032955A3 (ko) 펨토셀 기지국의 동기화 방법 및 이를 이용한 펨토셀 기지국
WO2008136614A3 (en) Method and apparatus for transmitting and receiving data in an orthogonal frequency multiplexing system
MX2007004832A (es) Multiplexion por tiempo de senales de unidifusion y multidifusion en una frecuencia de portadora de enlace descendente en un sistema de comunicacion inalambrica.
WO2010117240A3 (en) Method and apparatus for transmitting reference signal in wireless communication system
WO2010050735A3 (en) 8-transmit antenna reference signal design for downlink communications in a wireless system
WO2010068047A3 (en) Method and apparatus for transmitting reference signal performed by relay station in wireless communication system
TW200738006A (en) Base station, mobile station, and communication method
GB2459997A (en) Method of transmitting scheduling request in a wireless communication system
RU2008146846A (ru) Передающее устройство и приемное устройство
RU2009135402A (ru) Способ передачи сигналов управления по восходящей линии связи в системе беспроводной связи
TW200729788A (en) Synchronization channel for OFDMA based evolved UTRA downlink
MX2012003399A (es) Reconfiguracion de conjunto de portadores de componente activo en sistemas inalambricos de portadores multiples.
EP1956771A3 (en) Wireless communication system and wireless communication method
MY163839A (en) Base station, terminal, band allocation method, and downlink data communication method
RU2012103043A (ru) Способ и устройство передачи и приема данных в сигнальном фрейме
CN101669290A (zh) 导频信号发送方法、适用该方法的基站、移动站及蜂窝系统
WO2010018993A3 (en) Apparatus and method for transceiving downlink control information