CN101964772B - 信号处理装置和方法 - Google Patents

信号处理装置和方法 Download PDF

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Publication number
CN101964772B
CN101964772B CN2010102334314A CN201010233431A CN101964772B CN 101964772 B CN101964772 B CN 101964772B CN 2010102334314 A CN2010102334314 A CN 2010102334314A CN 201010233431 A CN201010233431 A CN 201010233431A CN 101964772 B CN101964772 B CN 101964772B
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CN
China
Prior art keywords
carrier frequency
frequency offset
ofdm
signal
preamble
Prior art date
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Expired - Fee Related
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CN2010102334314A
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English (en)
Chinese (zh)
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CN101964772A (zh
Inventor
小林健一
后藤友谦
冈本卓也
拉赫兰·布鲁斯·迈克尔
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Sony Corp
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Sony Corp
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Publication of CN101964772A publication Critical patent/CN101964772A/zh
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    • 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
    • H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
    • 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
    • H04L27/2673—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
    • H04L27/2685—Speed of convergence
    • 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
    • H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CN2010102334314A 2009-07-24 2010-07-19 信号处理装置和方法 Expired - Fee Related CN101964772B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009173591A JP5267874B2 (ja) 2009-07-24 2009-07-24 信号処理装置、及び、信号処理方法
JP2009-173591 2009-07-24

Publications (2)

Publication Number Publication Date
CN101964772A CN101964772A (zh) 2011-02-02
CN101964772B true CN101964772B (zh) 2013-10-23

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CN2010102334314A Expired - Fee Related CN101964772B (zh) 2009-07-24 2010-07-19 信号处理装置和方法

Country Status (7)

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US (1) US8374264B2 (enExample)
EP (1) EP2278768A3 (enExample)
JP (1) JP5267874B2 (enExample)
CN (1) CN101964772B (enExample)
BR (1) BRPI1004961A2 (enExample)
RU (1) RU2549205C2 (enExample)
TW (1) TWI410071B (enExample)

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US8532228B2 (en) * 2010-12-23 2013-09-10 Microchip Technology Incorporated Automatic frequency offset compensation in zero-intermediate frequency receivers using minimum-shift keying (MSK) signaling
US8548096B2 (en) 2010-12-31 2013-10-01 Telefonaktiebolaget L M Ericsson (Publ) Controllable frequency offset for inphase and Quadrature (IQ) imbalance estimation
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US8837611B2 (en) * 2011-02-09 2014-09-16 Silicon Laboratories Inc. Memory-aided synchronization in a receiver
JP2012191565A (ja) * 2011-03-14 2012-10-04 Sony Corp 受信装置、受信方法、およびプログラム
FR2973616B1 (fr) * 2011-04-01 2013-11-01 St Microelectronics Grenoble 2 Systeme et procede de demodulation de symboles d'un signal de television numerique terrestre
CN103095627B (zh) * 2011-10-28 2016-12-07 中国移动通信集团广东有限公司 一种正交频分复用技术系统同步方法和电子设备
FR2989242A1 (fr) 2012-04-10 2013-10-11 France Telecom Procede de traitement d'un signal multiporteuse recu, procede de reception d'un signal optique, programme d'ordinateur et dispositif de traitement correspondants.
JP5983996B2 (ja) * 2012-05-31 2016-09-06 ソニー株式会社 受信装置、及び受信方法
CN103546797B (zh) * 2012-07-11 2017-03-15 扬智电子科技(上海)有限公司 信号接收系统及其方法
US9385909B2 (en) * 2013-10-08 2016-07-05 Freescale Semiconductor, Inc. Detecting repeated preamble symbols using over-sized discrete fourier transforms
CN105791179B (zh) * 2014-12-18 2019-03-29 联芯科技有限公司 采样频偏补偿装置和方法
CN104618276B (zh) * 2014-12-23 2018-07-03 大唐半导体设计有限公司 一种调频接收机中的载波频偏估计方法及系统
US10091731B2 (en) * 2016-02-05 2018-10-02 Samsung Electronics Co., Ltd. Method and apparatus for detecting packet
MX389056B (es) * 2016-07-08 2025-03-20 Sony Semiconductor Solutions Corp Dispositivo de transmision, metodo de transmision, dispositivo de recepcion, y metodo de recepcion.
KR102601201B1 (ko) * 2016-10-07 2023-11-13 한국전자통신연구원 주파수 옵셋 추정 및 보상 방법
CN106571854A (zh) * 2016-11-05 2017-04-19 北京晓程科技股份有限公司 电力载波ofdm系统频率域帧检测同步方法及装置
RU2680971C1 (ru) * 2017-01-09 2019-03-01 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева-КАИ" (КНИТУ-КАИ) Способ обработки OFDM сигналов и устройство для его реализации
US10541852B2 (en) * 2017-11-23 2020-01-21 Nxp Usa, Inc. Preamble detection mechanism for reception of asynchronous packets
BR112020024292A2 (pt) 2018-06-06 2021-03-02 Massachusetts Institute Of Technology rna circular para translação em células eucarióticas
US10135660B1 (en) * 2018-06-12 2018-11-20 Hong Kong Applied Science and Technology Research Institute Company Limited Sampling frequency offset tracking based on decision feedback channel estimation
IL288284B2 (en) 2019-05-22 2024-06-01 Massachusetts Inst Technology Circular rna compositions and methods
JP2023504568A (ja) 2019-12-04 2023-02-03 オルナ セラピューティクス インコーポレイテッド 環状ｒｎａ組成物及び方法
US12297285B2 (en) 2022-06-24 2025-05-13 Orna Therapeutics, Inc. Circular RNA encoding chimeric antigen receptors targeting BCMA

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999065180A2 (en) * 1998-06-08 1999-12-16 Telefonaktiebolaget Lm Ericsson (Publ) Burst structure for multicarrier transmission, and synchronization of burst, symbols and frequency
CN1835493A (zh) * 2006-04-18 2006-09-20 杭州电子科技大学 获得正交频分复用信号定时同步的方法
CN101079688A (zh) * 2006-05-23 2007-11-28 中兴通讯股份有限公司 一种正交频分复用系统中实现同步的方法

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KR100555722B1 (ko) * 2003-05-20 2006-03-03 삼성전자주식회사 다중 반송파 수신 시스템의 정수배 주파수 옵셋 추정 장치및 그의 정수배 주파수 옵셋 추정방법
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Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
WO1999065180A2 (en) * 1998-06-08 1999-12-16 Telefonaktiebolaget Lm Ericsson (Publ) Burst structure for multicarrier transmission, and synchronization of burst, symbols and frequency
CN1835493A (zh) * 2006-04-18 2006-09-20 杭州电子科技大学 获得正交频分复用信号定时同步的方法
CN101079688A (zh) * 2006-05-23 2007-11-28 中兴通讯股份有限公司 一种正交频分复用系统中实现同步的方法

Also Published As

Publication number Publication date
JP2011029921A (ja) 2011-02-10
EP2278768A2 (en) 2011-01-26
RU2549205C2 (ru) 2015-04-20
JP5267874B2 (ja) 2013-08-21
BRPI1004961A2 (pt) 2015-03-17
US8374264B2 (en) 2013-02-12
CN101964772A (zh) 2011-02-02
US20110019782A1 (en) 2011-01-27
TWI410071B (zh) 2013-09-21
EP2278768A3 (en) 2016-03-02
TW201119273A (en) 2011-06-01
RU2010129532A (ru) 2012-01-20

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Termination date: 20200719