EP2612478A4 - Procédés et appareil pour estimation de décalage de fréquence porteuse et correction de décalage de fréquence porteuse - Google Patents

Procédés et appareil pour estimation de décalage de fréquence porteuse et correction de décalage de fréquence porteuse 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Withdrawn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)
English (en)
Other versions
EP2612478A1 (fr
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/fr
Publication of EP2612478A4 publication Critical patent/EP2612478A4/fr
Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP10856567.2A 2010-08-30 2010-08-30 Procédés et appareil pour estimation de décalage de fréquence porteuse et correction de décalage de fréquence porteuse Withdrawn EP2612478A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/076460 WO2012027880A1 (fr) 2010-08-30 2010-08-30 Procédés et appareil pour estimation de décalage de fréquence porteuse et correction de décalage de fréquence porteuse

Publications (2)

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

Family

ID=45772069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10856567.2A Withdrawn EP2612478A4 (fr) 2010-08-30 2010-08-30 Procédés et appareil pour estimation de décalage de fréquence porteuse et correction de décalage de fréquence porteuse

Country Status (3)

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

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WO2020186424A1 (fr) * 2019-03-18 2020-09-24 Zte Corporation Systèmes et procédés de modulation de données de conjugué

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CN104702554B (zh) * 2013-12-09 2017-12-15 瑞昱半导体股份有限公司 载波频率偏移校正方法
TWI542233B (zh) * 2014-01-17 2016-07-11 國立台灣大學 應用於行動通訊網路之細胞搜尋與同步方法及裝置
WO2015139171A1 (fr) * 2014-03-17 2015-09-24 华为技术有限公司 Procédé de synchronisation, extrémité de réception et extrémité d'envoi
CN104009949A (zh) * 2014-06-09 2014-08-27 天津师范大学 一种提高数字基带信号传输质量的解码方法
WO2016033059A1 (fr) * 2014-08-25 2016-03-03 ONE Media, LLC Configuration dynamique d'un préambule de trame de données de transport phy de multiplexage par répartition orthogonale de la fréquence souple
WO2016068666A1 (fr) * 2014-10-31 2016-05-06 엘지전자 주식회사 Procédé d'estimation de cfo aveugle dans un système de communication sans fil à l'aide de schéma qbpsk ou bpsk
EP3326390A1 (fr) * 2015-07-24 2018-05-30 Intel Corporation Structure de canal et signaux de synchronisation pour déploiements de lte à bande étroite
US10256955B2 (en) * 2015-09-29 2019-04-09 Qualcomm Incorporated Synchronization signals for narrowband operation
CN106559206B (zh) * 2015-09-30 2019-04-23 中兴通讯股份有限公司 同步信号的传输方法及装置
US11664927B2 (en) 2015-12-31 2023-05-30 Interdigital Patent Holdings, Inc. Waveform based data integrity check and error correction
CN105743836B (zh) * 2016-04-18 2018-11-06 重庆大学 基于多径分离的ofdm***频偏估计方法
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
US10257009B2 (en) 2016-12-30 2019-04-09 Waviot Integrated Systems, Llc Method for multichannel signal search and demodulation and technique to demodulate and detect DBPSK FDMA ultra-narrow band signal
WO2018126204A1 (fr) 2016-12-30 2018-07-05 Waviot Integrated Systems, Llc Confirmation simultanée de nombreux messages dans des lpwan et correction de fréquence pour la transmission de données
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 (ko) * 2017-03-22 2018-10-02 삼성전자주식회사 무선 셀룰라 통신 시스템에서 상향 제어 채널 전송 방법 및 장치
CN107144343A (zh) * 2017-07-10 2017-09-08 薛天 低频振动位移传感器组网方法、***及装置
US10848361B2 (en) * 2017-12-08 2020-11-24 Qualcomm Incorporated Carrier independent signal transmission and reception
CN108282436A (zh) * 2017-12-12 2018-07-13 中山大学 一种分布式mimo-ofdm定时同步快速相关算法
CN110149293B (zh) * 2018-02-12 2021-04-13 维沃移动通信有限公司 一种ofdm基带信号生成方法及装置
US10469217B2 (en) * 2018-04-06 2019-11-05 Qualcomm Incorporated Disentangled orthogonal frequency division multiplexing for navigation and positioning signals
EP3567818B1 (fr) * 2018-05-10 2023-06-21 Nxp B.V. Récepteur ofdm avec correction de l'offset fréquentiel
CN114008985B (zh) * 2019-02-07 2024-03-12 加州理工学院 存在信道损伤时通过在零点上调制数据进行通信的***和方法
TWI717736B (zh) 2019-05-15 2021-02-01 財團法人工業技術研究院 多天線系統及其通道校正方法
US10944535B2 (en) 2019-05-29 2021-03-09 Shure Acquisition Holdings, Inc. OFDMA baseband clock synchronization
CN110247873A (zh) * 2019-06-17 2019-09-17 中山大学 干扰消除交织ofdma上行链路cfo估计方法
CN112187685B (zh) * 2019-07-04 2022-04-15 瑞昱半导体股份有限公司 协同式预编码方法及通信***
CN110995630B (zh) * 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 一种适用于多等级列车混跑的窄带通信***频偏矫正方法
CN110609263B (zh) * 2019-10-29 2022-11-04 电子科技大学 一种同时计算脉冲激光雷达目标回波时延和频偏的方法
CN110995632B (zh) * 2019-11-29 2023-03-21 深圳市统先科技股份有限公司 卫星通信带宽复用电路
MX2022008173A (es) * 2020-01-03 2022-08-02 Zte Corp Seleccion de raiz para acceso aleatorio.
WO2021156659A1 (fr) * 2020-02-07 2021-08-12 Zeku Inc. Appareil et procédé de correction de temps et/ou de fréquence basée sur un préfixe cyclique
CN111740929B (zh) * 2020-06-22 2022-05-17 河北远东通信***工程有限公司 一种基于pss序列重复协同检测的td-lte频率偏移估计方法
CN112422472B (zh) * 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） 联合频偏估计方法及***
DE102021113579A1 (de) 2021-05-26 2022-12-01 Sennheiser Electronic Gmbh & Co. Kg Verfahren und Vorrichtung zur Synchronisation
CN113890650B (zh) * 2021-08-25 2024-07-19 珠海全志科技股份有限公司 基于自相关估计的偏移干扰检测方法及装置
CN115379479B (zh) * 2022-08-23 2024-04-19 中国联合网络通信集团有限公司 小区覆盖类型确定方法、装置、设备及存储介质
CN115801519B (zh) * 2023-02-03 2023-06-09 南京创芯慧联技术有限公司 频偏估计滤波方法、装置、计算机设备和存储介质
CN116660856B (zh) * 2023-08-02 2023-11-21 南京信息工程大学 一种基于5g时隙同步的外辐射源雷达信号处理方法
CN117192488B (zh) * 2023-09-01 2024-03-19 扬州宇安电子科技有限公司 一种基于fpga的初始信号处理***及方法

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Publication number Priority date Publication date Assignee Title
WO2020186424A1 (fr) * 2019-03-18 2020-09-24 Zte Corporation Systèmes et procédés de modulation de données de conjugué

Also Published As

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

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