TW200729888A - Synchronization codes for wireless communication - Google Patents

Synchronization codes for wireless communication

Info

Publication number
TW200729888A
TW200729888A TW095139931A TW95139931A TW200729888A TW 200729888 A TW200729888 A TW 200729888A TW 095139931 A TW095139931 A TW 095139931A TW 95139931 A TW95139931 A TW 95139931A TW 200729888 A TW200729888 A TW 200729888A
Authority
TW
Taiwan
Prior art keywords
sequence
psc
sscs
wireless communication
node
Prior art date
Application number
TW095139931A
Other languages
English (en)
Inventor
Tao Luo
Durga Prasad Malladi
Juan Montojo
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200729888A publication Critical patent/TW200729888A/zh

Links

Classifications

    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • 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
    • H04L25/03—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
    • 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
    • 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
    • H04L5/0001—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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
TW095139931A 2005-10-28 2006-10-27 Synchronization codes for wireless communication TW200729888A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73111405P 2005-10-28 2005-10-28
US11/552,424 US7965759B2 (en) 2005-10-28 2006-10-24 Synchronization codes for wireless communication

Publications (1)

Publication Number Publication Date
TW200729888A true TW200729888A (en) 2007-08-01

Family

ID=37946214

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095139931A TW200729888A (en) 2005-10-28 2006-10-27 Synchronization codes for wireless communication

Country Status (4)

Country Link
US (1) US7965759B2 (zh)
EP (1) EP1941623A2 (zh)
TW (1) TW200729888A (zh)
WO (1) WO2007051157A2 (zh)

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* Cited by examiner, † Cited by third party
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US8134996B2 (en) 2005-07-21 2012-03-13 Texas Instruments Incorporated Downlink synchronization for a cellular OFDM communication system
US7706249B2 (en) * 2006-02-08 2010-04-27 Motorola, Inc. Method and apparatus for a synchronization channel in an OFDMA system
US7911935B2 (en) 2006-02-08 2011-03-22 Motorola Mobility, Inc. Method and apparatus for interleaving sequence elements of an OFDMA synchronization channel
US7983143B2 (en) 2006-02-08 2011-07-19 Motorola Mobility, Inc. Method and apparatus for initial acquisition and cell search for an OFDMA system
US8031745B2 (en) * 2006-04-20 2011-10-04 Texas Instruments Incorporated Downlink synchronization channel and methods for cellular systems
US7969964B2 (en) * 2006-07-25 2011-06-28 Electronics & Telecommunications Research Institute Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure
WO2008029475A1 (en) * 2006-09-08 2008-03-13 Panasonic Corporation Multicarrier transmitting apparatus
CA2665218C (en) * 2006-10-03 2013-07-16 Qualcomm Incorporated Method and apparatus for processing primary and secondary synchronization signals for wireless communication
US8068465B2 (en) * 2006-10-31 2011-11-29 Motorola Mobility, Inc. Wireless multicast broadcast service methods and apparatus
GB2458418B (en) 2006-12-19 2011-08-03 Lg Electronics Inc Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
US8374271B2 (en) * 2007-01-08 2013-02-12 Cisco Technology, Inc. Method and system for resizing a MIMO channel
CN101578804A (zh) * 2007-02-05 2009-11-11 诺基亚公司 用于提供确认信令的方法和装置
US8189557B2 (en) * 2007-02-23 2012-05-29 Texas Instruments Incorporated Secondary synchronization channel design for OFDMA systems
US7965689B2 (en) * 2007-05-14 2011-06-21 Motorola Mobility, Inc. Reference sequence construction for fast cell search
US8050225B2 (en) * 2007-05-21 2011-11-01 Qualcomm Incorporated Assignment of primary and secondary synchronization code sequences to cells in a wireless communication system
US8971305B2 (en) * 2007-06-05 2015-03-03 Qualcomm Incorporated Pseudo-random sequence mapping in wireless communications
RU2439796C2 (ru) * 2007-06-05 2012-01-10 Квэлкомм Инкорпорейтед Преобразование псевдослучайной последовательности в беспроводной связи
KR100938756B1 (ko) * 2007-07-06 2010-01-26 엘지전자 주식회사 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법
US8290088B2 (en) 2007-08-07 2012-10-16 Research In Motion Limited Detecting the number of transmit antennas in a base station
US7933316B2 (en) 2007-08-10 2011-04-26 Qualcomm Incorporated Searcher for multiple orthogonal channels with known data WCDMA step2 search
US8009701B2 (en) * 2007-08-13 2011-08-30 Qualcomm Incorporated Secondary synchronization codebook for E-utran
US9119132B2 (en) * 2007-10-10 2015-08-25 Qualcomm Incorporated Efficient system identification schemes for communication systems
CN101635595B (zh) * 2008-07-24 2013-12-04 中兴通讯股份有限公司 无线资源的子信道化和资源映射方法
GB0819868D0 (en) * 2008-10-29 2008-12-03 Cambridge Silicon Radio Ltd A receiver
US20100304744A1 (en) * 2009-05-29 2010-12-02 Qualcomm Incorporated Method and apparatus for performing searches with multiple receive diversity (rxd) search modes
CN101938813B (zh) * 2009-06-30 2013-02-27 中兴通讯股份有限公司 联合辅同步信号检测与帧定时同步的方法
EP2328286B1 (en) 2009-11-30 2012-10-17 ST-Ericsson SA Process for slot synchronization of the p-sch sequence in a umts communication system, and a receiver for the same
CN103209048B (zh) * 2012-01-13 2017-04-12 华为技术有限公司 专用导频的解码方法和用户设备
TWI462539B (zh) * 2012-03-06 2014-11-21 Mstar Semiconductor Inc 頻率校正方法
US9301269B1 (en) 2012-09-18 2016-03-29 Marvell International Ltd. Acquisition of periodic synchronization signals
US9385778B2 (en) * 2014-01-31 2016-07-05 Qualcomm Incorporated Low-power circuit and implementation for despreading on a configurable processor datapath
US10548106B2 (en) 2015-07-08 2020-01-28 Lg Electronics Inc. Method and device for transmitting/receiving sync signal of device-to-device communication terminal in wireless communication system
KR101811221B1 (ko) * 2016-02-17 2017-12-21 주식회사 이노와이어리스 신호 분석기의 ｗｃｄｍａ 신호 타이밍 오프셋 처리 방법
EP3493621B1 (en) * 2016-07-29 2021-07-07 Sharp Kabushiki Kaisha Terminal device, communication method and integrated circuit
EP3473031B1 (en) * 2016-08-10 2020-05-06 Huawei Technologies Co., Ltd. Communication link acquisition and tracking in millimeter wave bands
CN112118622B (zh) * 2019-06-20 2023-03-03 大唐联仪科技有限公司 Wcdma上行同步位置检测方法和装置

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SE9900684L (sv) 1999-02-26 2000-08-27 Ericsson Telefon Ab L M Interferensundertryckning i radio stationer
JP2001111518A (ja) 1999-10-04 2001-04-20 Mitsubishi Electric Corp 通信方法および通信装置
KR100319927B1 (ko) * 2000-01-11 2002-01-09 윤종용 비동기식 광대역 직접 시퀀스 코드분할다중접속 수신기의셀 탐색 장치 및 각 셀에 고유한 코드 획득 방법
AU2001292362A1 (en) * 2000-10-06 2002-04-22 Yozan Inc. Receiver
TW490981B (en) 2000-10-30 2002-06-11 Ind Tech Res Inst Method and device for code group identification and frame boundary synchronization
CA2354196A1 (en) * 2001-07-26 2003-01-26 Shiquan Wu Method of and apparatus for communication via multiplexed links
JP4109003B2 (ja) * 2002-01-21 2008-06-25 富士通株式会社 情報記録再生装置、信号復号回路及び方法

Also Published As

Publication number Publication date
WO2007051157A3 (en) 2007-07-05
US20070133390A1 (en) 2007-06-14
US7965759B2 (en) 2011-06-21
EP1941623A2 (en) 2008-07-09
WO2007051157A2 (en) 2007-05-03

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