HK1202754A1 - 多級定時和頻率同步 - Google Patents

多級定時和頻率同步

Info

Publication number
HK1202754A1
HK1202754A1 HK15103107.7A HK15103107A HK1202754A1 HK 1202754 A1 HK1202754 A1 HK 1202754A1 HK 15103107 A HK15103107 A HK 15103107A HK 1202754 A1 HK1202754 A1 HK 1202754A1
Authority
HK
Hong Kong
Prior art keywords
frequency synchronization
stage timing
timing
stage
synchronization
Prior art date
Application number
HK15103107.7A
Other languages
English (en)
Inventor
Jiann-Ching Guey
Havish Koorapaty
Jung-Fu Cheng
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of HK1202754A1 publication Critical patent/HK1202754A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • 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
    • 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
    • H04L27/2662—Symbol 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2681—Details of algorithms characterised by constraints
    • H04L27/2686—Range of frequencies or delays tested
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
HK15103107.7A 2011-11-11 2015-03-27 多級定時和頻率同步 HK1202754A1 (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161558696P 2011-11-11 2011-11-11
US13/659,310 US9094906B2 (en) 2011-11-11 2012-10-24 Multi-stage timing and frequency synchronization
PCT/IB2012/056199 WO2013068928A1 (en) 2011-11-11 2012-11-06 Multi-stage timing and frequency synchronization

Publications (1)

Publication Number Publication Date
HK1202754A1 true HK1202754A1 (zh) 2015-10-02

Family

ID=48280577

Family Applications (1)

Application Number Title Priority Date Filing Date
HK15103107.7A HK1202754A1 (zh) 2011-11-11 2015-03-27 多級定時和頻率同步

Country Status (6)

Country Link
US (1) US9094906B2 (zh)
EP (1) EP2777337B1 (zh)
JP (1) JP6022593B2 (zh)
CN (1) CN104081840A (zh)
HK (1) HK1202754A1 (zh)
WO (1) WO2013068928A1 (zh)

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US9832629B2 (en) 2014-01-28 2017-11-28 Qualcomm Incorporated Discovery signals and network synchronization signals design in LTE
TWI555360B (zh) * 2015-03-27 2016-10-21 In the uplink transmission system to solve the radio frequency is not perfect joint estimation compensation method
US10708874B2 (en) * 2015-08-19 2020-07-07 Sony Corporation Mobile communications devices and methods
JP6103167B1 (ja) * 2016-02-22 2017-03-29 三菱電機株式会社 受信装置
CN106792791B (zh) * 2016-05-31 2019-03-12 展讯通信（上海）有限公司 用户设备及时间频率同步方法
US10104630B2 (en) * 2016-07-08 2018-10-16 Intel IP Corporation Methods and devices for time and frequency offset estimation
CN106792792B (zh) * 2016-09-30 2019-01-29 展讯通信（上海）有限公司 基站、用户终端及其下行数据控制方法及装置
KR102156672B1 (ko) 2016-10-07 2020-09-17 주식회사 케이티 새로운 무선 통신 시스템에서 주파수 오프셋 추정을 위한 참조 신호를 전송하는 방법 및 장치
US10637709B2 (en) * 2017-01-16 2020-04-28 Qualcomm Incorporated Signaling methods for frequency offset estimation using reference signals
US11070338B2 (en) 2017-06-16 2021-07-20 Telefonaktiebolaget Lm Ericsson (Publ) Transmission or reception of a reference signal in a wireless communication system
US11133964B2 (en) 2017-06-16 2021-09-28 Telefonaktiebolaget Lm Ericsson (Publ) Frequency offset estimation
CN109561495B (zh) * 2017-09-26 2021-01-05 展讯通信（上海）有限公司 时频跟踪方法、用户设备及计算机可读介质
US10693582B2 (en) 2018-02-28 2020-06-23 The Johns Hopkins University Localization of reference symbols in communications systems

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SE506739C2 (sv) * 1995-09-29 1998-02-09 Ericsson Telefon Ab L M Drift och underhåll av klockdistributionsnät med redundans
CA2183140C (en) * 1996-08-12 2001-11-20 Grant Mcgibney Ofdm timing and frequency recovery system
US6263031B1 (en) * 1998-04-29 2001-07-17 Hughes Electronics Corp. Method and apparatus for signal burst classification
US6363131B1 (en) * 1998-04-29 2002-03-26 Hughes Electronics Corporation Method and apparatus for joint timing synchronization and frequency offset estimation
US6381225B1 (en) * 1998-08-27 2002-04-30 Qualcomm Incorporated System and method for resolving frequency and timing uncertainty in access transmissions in a spread spectrum communication system
US6678339B1 (en) * 2000-02-02 2004-01-13 Agere Systems Inc. Globally optimum maximum likelihood estimation of joint carrier frequency offset and symbol timing error in multi-carrier systems
US7027429B2 (en) 2001-06-19 2006-04-11 Flarion Technologies, Inc. Method and apparatus for time and frequency synchronization of OFDM communication systems
US7039000B2 (en) * 2001-11-16 2006-05-02 Mitsubishi Electric Research Laboratories, Inc. Timing synchronization for OFDM-based wireless networks
US20040052228A1 (en) * 2002-09-16 2004-03-18 Jose Tellado Method and system of frequency and time synchronization of a transceiver to signals received by the transceiver
US20040202234A1 (en) * 2003-04-11 2004-10-14 Agency For Science, Technology And Research Low-complexity and fast frequency offset estimation for OFDM signals
CN1780276B (zh) * 2004-11-25 2012-01-04 都科摩（北京）通信技术研究中心有限公司 正交频分复用系统中联合时间同步和频偏估计方法及装置
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US8174958B2 (en) * 2008-08-01 2012-05-08 Broadcom Corporation Method and system for a reference signal (RS) timing loop for OFDM symbol synchronization and tracking
US8223891B2 (en) * 2008-08-01 2012-07-17 Broadcom Corporation Method and system for a reference symbol (RS) frequency control loop for TCXO synchronization and tracking
US8559296B2 (en) * 2008-08-01 2013-10-15 Broadcom Corporation Method and system for an OFDM joint timing and frequency tracking system
US8451957B2 (en) * 2009-04-09 2013-05-28 Hong Kong Applied Science And Technology Research Institute Co., Ltd. System and method for time synchronization of OFDM-based communications
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US8326251B2 (en) * 2010-03-29 2012-12-04 Broadcom Corporation Method and system for estimating a receiver frequency offset in a communication system

Also Published As

Publication number Publication date
CN104081840A (zh) 2014-10-01
WO2013068928A1 (en) 2013-05-16
EP2777337A1 (en) 2014-09-17
JP2015502066A (ja) 2015-01-19
EP2777337B1 (en) 2017-01-04
US9094906B2 (en) 2015-07-28
US20130121246A1 (en) 2013-05-16
JP6022593B2 (ja) 2016-11-09

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