EP2612478A4 - Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction - Google Patents

Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction Download PDF

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Publication number
EP2612478A4
EP2612478A4 EP10856567.2A EP10856567A EP2612478A4 EP 2612478 A4 EP2612478 A4 EP 2612478A4 EP 10856567 A EP10856567 A EP 10856567A EP 2612478 A4 EP2612478 A4 EP 2612478A4
Authority
EP
European Patent Office
Prior art keywords
carrier frequency
frequency offset
methods
offset correction
offset estimation
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.)
Withdrawn
Application number
EP10856567.2A
Other languages
German (de)
French (fr)
Other versions
EP2612478A1 (en
Inventor
Kai Xu
Yong-Quan Qiang
Jin Yang
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.)
Google Technology Holdings LLC
Original Assignee
Google Technology Holdings LLC
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 Google Technology Holdings LLC filed Critical Google Technology Holdings LLC
Publication of EP2612478A1 publication Critical patent/EP2612478A1/en
Publication of EP2612478A4 publication Critical patent/EP2612478A4/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H04L27/2657—Carrier synchronisation
    • H04L27/2659—Coarse or integer frequency offset determination and 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
    • H04L27/266—Fine or fractional frequency offset determination and 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
    • H04L27/2669—Details of algorithms characterised by the domain of operation
    • H04L27/2671—Time domain
    • 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
    • H04L27/2669—Details of algorithms characterised by the domain of operation
    • H04L27/2672—Frequency domain
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
EP10856567.2A 2010-08-30 2010-08-30 Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction Withdrawn EP2612478A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/076460 WO2012027880A1 (en) 2010-08-30 2010-08-30 Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction

Publications (2)

Publication Number Publication Date
EP2612478A1 EP2612478A1 (en) 2013-07-10
EP2612478A4 true EP2612478A4 (en) 2017-12-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10856567.2A Withdrawn EP2612478A4 (en) 2010-08-30 2010-08-30 Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction

Country Status (3)

Country Link
EP (1) EP2612478A4 (en)
CN (1) CN103081425B (en)
WO (1) WO2012027880A1 (en)

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WO2020186424A1 (en) * 2019-03-18 2020-09-24 Zte Corporation Systems and methods for conjugate data modulation

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CN104702554B (en) * 2013-12-09 2017-12-15 瑞昱半导体股份有限公司 Offset correction of carrier frequency method
TWI542233B (en) * 2014-01-17 2016-07-11 國立台灣大學 Method and apparatus for cell search and synchronization in mobile communication
EP3113377B1 (en) 2014-03-17 2019-05-29 Huawei Technologies Co., Ltd. Synchronization method, receiving end, and sending end
CN104009949A (en) * 2014-06-09 2014-08-27 天津师范大学 Decoding method for improving digital baseband signal transmission quality
WO2016033059A1 (en) 2014-08-25 2016-03-03 ONE Media, LLC Dynamic configuration of a flexible orthogonal frequency division multiplexing phy transport data frame preamble
US10015035B2 (en) 2014-10-31 2018-07-03 Lg Electronics Inc. Blind CFO estimation method in wireless communication system using BPSK or QBPSK scheme
EP3326390A1 (en) 2015-07-24 2018-05-30 Intel Corporation Synchronization signals and channel structure for narrowband lte deployments
US10256955B2 (en) * 2015-09-29 2019-04-09 Qualcomm Incorporated Synchronization signals for narrowband operation
CN106559206B (en) * 2015-09-30 2019-04-23 中兴通讯股份有限公司 The transmission method and device of synchronization signal
WO2017117489A1 (en) 2015-12-31 2017-07-06 Idac Holdings, Inc. Waveform based data integrity check and error correction
CN105743836B (en) * 2016-04-18 2018-11-06 重庆大学 Ofdm system frequency deviation estimating method based on multi-path separation
US10326556B2 (en) 2016-12-30 2019-06-18 Waviot Integrated Systems, Llc Method and system of frequency correction in LPWAN networks
US10419063B2 (en) 2016-12-30 2019-09-17 Waviot Integrated Systems, Llc Method and system for receiving telemetry messages over RF channel
WO2018126197A1 (en) * 2016-12-30 2018-07-05 Waviot Integrated Systems, Llc A method for multichannel signal search and demodulation and tech nique to demodulate and detect dbpsk fdma ultra-narrow band signal
WO2018126204A1 (en) 2016-12-30 2018-07-05 Waviot Integrated Systems, Llc Simultaneous confirmation of many messages in lpwan & frequency correction for data transmission
US10382244B2 (en) * 2017-02-14 2019-08-13 Samsung Electronics Co., Ltd. System and method for providing time offset and frequency offset estimation for vehicle to everything communication system
KR20180107686A (en) * 2017-03-22 2018-10-02 삼성전자주식회사 Method and apparatus for transmitting of uplink control channel in mobile communication system
CN107144343A (en) * 2017-07-10 2017-09-08 薛天 Low-frequency vibration displacement transducer network-building method, system and device
US10848361B2 (en) * 2017-12-08 2020-11-24 Qualcomm Incorporated Carrier independent signal transmission and reception
CN108282436A (en) * 2017-12-12 2018-07-13 中山大学 A kind of distributed MIMO-OFDM Timing Synchronization fast correlation algorithm
CN110149293B (en) * 2018-02-12 2021-04-13 维沃移动通信有限公司 OFDM baseband signal generation method and device
US10469217B2 (en) * 2018-04-06 2019-11-05 Qualcomm Incorporated Disentangled orthogonal frequency division multiplexing for navigation and positioning signals
EP3567818B1 (en) * 2018-05-10 2023-06-21 Nxp B.V. An ofdm receiver with frequency offset correction
WO2020163759A1 (en) * 2019-02-07 2020-08-13 California Institute Of Technology Systems and methods for communicating by modulating data on zeros in the presence of channel impairments
TWI717736B (en) 2019-05-15 2021-02-01 財團法人工業技術研究院 Multi-antenna system and channel calibration method thereof
US10944535B2 (en) 2019-05-29 2021-03-09 Shure Acquisition Holdings, Inc. OFDMA baseband clock synchronization
CN110247873A (en) * 2019-06-17 2019-09-17 中山大学 Intertexture OFDMA uplink CFO estimation method is eliminated in interference
CN112187685B (en) * 2019-07-04 2022-04-15 瑞昱半导体股份有限公司 Cooperative precoding method and communication system
CN110995630B (en) * 2019-10-22 2022-08-09 北京全路通信信号研究设计院集团有限公司 Frequency offset correction method of narrow-band communication system suitable for mixed running of multi-level trains
CN110609263B (en) * 2019-10-29 2022-11-04 电子科技大学 Method for simultaneously calculating target echo time delay and frequency offset of pulse laser radar
CN110995632B (en) * 2019-11-29 2023-03-21 深圳市统先科技股份有限公司 Satellite communication bandwidth multiplexing circuit
WO2021156659A1 (en) * 2020-02-07 2021-08-12 Zeku Inc. Apparatus and method for cyclic prefix-based time and/or frequency correction
CN111740929B (en) * 2020-06-22 2022-05-17 河北远东通信系统工程有限公司 TD-LTE frequency offset estimation method based on PSS sequence repeated cooperative detection
CN112422472B (en) * 2020-11-09 2022-07-26 上海微波技术研究所（中国电子科技集团公司第五十研究所） Joint frequency offset estimation method and system
DE102021113579A1 (en) 2021-05-26 2022-12-01 Sennheiser Electronic Gmbh & Co. Kg Method and device for synchronization
CN115801519B (en) * 2023-02-03 2023-06-09 南京创芯慧联技术有限公司 Frequency offset estimation filtering method, device, computer equipment and storage medium
CN116660856B (en) * 2023-08-02 2023-11-21 南京信息工程大学 5G time slot synchronization-based external radiation source radar signal processing method
CN117192488B (en) * 2023-09-01 2024-03-19 扬州宇安电子科技有限公司 Initial signal processing system and method based on FPGA

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Publication number Priority date Publication date Assignee Title
WO2020186424A1 (en) * 2019-03-18 2020-09-24 Zte Corporation Systems and methods for conjugate data modulation

Also Published As

Publication number Publication date
CN103081425B (en) 2016-08-03
EP2612478A1 (en) 2013-07-10
CN103081425A (en) 2013-05-01
WO2012027880A1 (en) 2012-03-08

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