BRPI0816664A2 - Sincronização de tempo e frequência e detecção de número de quadro para sistemas dmb-t - Google Patents

Sincronização de tempo e frequência e detecção de número de quadro para sistemas dmb-t

Info

Publication number
BRPI0816664A2
BRPI0816664A2 BRPI0816664A BRPI0816664A2 BR PI0816664 A2 BRPI0816664 A2 BR PI0816664A2 BR PI0816664 A BRPI0816664 A BR PI0816664A BR PI0816664 A2 BRPI0816664 A2 BR PI0816664A2
Authority
BR
Brazil
Prior art keywords
dmb
systems
time
frame number
frequency synchronization
Prior art date
Application number
Other languages
English (en)
Portuguese (pt)
Inventor
Hou-Shin Chen
Wen Gao
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0816664A2 publication Critical patent/BRPI0816664A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
    • 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
    • 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
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe 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
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/043—Pseudo-noise [PN] codes variable during transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
BRPI0816664 2007-09-28 2008-07-23 Sincronização de tempo e frequência e detecção de número de quadro para sistemas dmb-t BRPI0816664A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99578207P 2007-09-28 2007-09-28
PCT/US2008/008930 WO2009045244A1 (en) 2007-09-28 2008-07-23 Time-frequency synchronization and frame number detection for dmb-t systems

Publications (1)

Publication Number Publication Date
BRPI0816664A2 true BRPI0816664A2 (pt) 2015-03-17

Family

ID=40030337

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0816664 BRPI0816664A2 (pt) 2007-09-28 2008-07-23 Sincronização de tempo e frequência e detecção de número de quadro para sistemas dmb-t
BRPI0816424-0A2A BRPI0816424A2 (pt) 2007-09-28 2008-07-23 Sincronização de tempo-frequência e detecção de número de quadro para sistemas dmb-t

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI0816424-0A2A BRPI0816424A2 (pt) 2007-09-28 2008-07-23 Sincronização de tempo-frequência e detecção de número de quadro para sistemas dmb-t

Country Status (7)

Country Link
US (2) US20100329405A1 (enExample)
EP (2) EP2193624A1 (enExample)
JP (2) JP5291714B2 (enExample)
KR (2) KR101479599B1 (enExample)
CN (2) CN101809930B (enExample)
BR (2) BRPI0816664A2 (enExample)
WO (2) WO2009045244A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009045244A1 (en) * 2007-09-28 2009-04-09 Thomson Licensing Time-frequency synchronization and frame number detection for dmb-t systems
EP2141877A1 (en) * 2008-06-30 2010-01-06 THOMSON Licensing Receiver and method for frequency offset estimation based on correlation techniques
JP5208815B2 (ja) * 2009-03-03 2013-06-12 株式会社東芝 フレーム番号検出装置
WO2010122444A1 (en) * 2009-04-23 2010-10-28 Koninklijke Philips Electronics N.V. Frequency offset and channel gain tracking for enhanced transmission efficiency
JP5032538B2 (ja) * 2009-08-28 2012-09-26 株式会社東芝 伝送路応答推定器
TWI401981B (zh) * 2010-04-07 2013-07-11 Novatek Microelectronics Corp 通信系統中基於差別相關性的框架同步裝置與方法
EP2724545B1 (en) 2011-06-27 2019-03-06 Trilithic, Inc. Method for detecting leakage in digitally modulated systems
US9094906B2 (en) * 2011-11-11 2015-07-28 Telefonaktiebolaget Lm Ericsson (Publ) Multi-stage timing and frequency synchronization
JP5752575B2 (ja) * 2011-11-29 2015-07-22 株式会社東芝 クロック周波数誤差検出装置
JP5668003B2 (ja) 2012-03-09 2015-02-12 株式会社東芝 信号識別装置
JP6143607B2 (ja) * 2012-10-03 2017-06-07 三菱電機株式会社 フレーム同期検出装置及び受信装置
US20150014056A1 (en) * 2013-07-15 2015-01-15 Ryan Directional Services Dynamic response apparatus and methods triggered by conditions
TWI589137B (zh) * 2015-01-28 2017-06-21 晨星半導體股份有限公司 估測方法與裝置、取樣頻率偏移之計算方法以及相位估測方法與裝置
CN105991487A (zh) * 2015-02-02 2016-10-05 晨星半导体股份有限公司 估测方法与装置、取样频率偏移的计算方法以及相位估测方法与装置
WO2021134397A1 (zh) * 2019-12-31 2021-07-08 上海飞来信息科技有限公司 用于无线传输图像的方法及装置、存储介质及电子设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000078234A (ja) 1998-08-27 2000-03-14 Nippon Telegr & Teleph Corp <Ntt> 番号確定方法およびデータ通信装置
KR100453031B1 (ko) * 1998-12-28 2005-02-02 삼성전자주식회사 직교주파수분할다중화수신기초기주파수동기장치및그방법
SE513768C2 (sv) * 1999-03-26 2000-11-06 Ericsson Telefon Ab L M Förfarande för effektiv synkronisering i ett kommunikationssystem
CA2342529A1 (en) * 2001-03-29 2002-09-29 Shiquan Wu System and method for radio transmitter acquisition
EP1282258A1 (en) * 2001-08-02 2003-02-05 Mitsubishi Electric Information Technology Centre Europe B.V. Method and apparatus for synchronising receivers
EP1595346A4 (en) * 2003-02-05 2006-09-13 Interdigital Tech Corp INITIAL CELL SEARCH IN WIRELESS COMMUNICATION SYSTEMS
CN100539484C (zh) * 2004-03-31 2009-09-09 清华大学 时域同步正交频分复用接收机的帧同步方法及其系统
KR100606050B1 (ko) * 2004-09-17 2006-07-28 삼성전자주식회사 통신 시스템에서 동기 추출 장치 및 방법
KR101174131B1 (ko) * 2004-10-14 2012-08-14 삼성전자주식회사 멀티미디어 방송 수신시의 에러 검출 방법 및 장치
KR100689440B1 (ko) 2005-04-26 2007-03-08 삼성전자주식회사 디지털 멀티미디어 방송시스템에서의 데이터 송수신 장치및 방법
KR100735359B1 (ko) * 2005-07-04 2007-07-04 삼성전자주식회사 디지털 멀티미디어 방송시스템에서의 데이터 송수신 장치및 방법
KR100797470B1 (ko) * 2005-08-26 2008-01-24 엘지전자 주식회사 Ｏｆｄｍ 변조신호 수신장치의 보호구간 검출기
WO2009045244A1 (en) * 2007-09-28 2009-04-09 Thomson Licensing Time-frequency synchronization and frame number detection for dmb-t systems
US20110013731A1 (en) * 2007-09-28 2011-01-20 Thomson Licensing Llc Spectrum sensing for dmb-t systems using pn frame headers

Also Published As

Publication number Publication date
US20110002418A1 (en) 2011-01-06
EP2193625B1 (en) 2017-06-21
JP2010541377A (ja) 2010-12-24
US8311163B2 (en) 2012-11-13
KR20100059903A (ko) 2010-06-04
JP5291714B2 (ja) 2013-09-18
CN101809930A (zh) 2010-08-18
KR101375506B1 (ko) 2014-03-18
JP5379145B2 (ja) 2013-12-25
BRPI0816424A2 (pt) 2015-03-03
EP2193624A1 (en) 2010-06-09
US20100329405A1 (en) 2010-12-30
CN101809930B (zh) 2013-08-14
WO2009045245A1 (en) 2009-04-09
EP2193625A1 (en) 2010-06-09
JP2010541378A (ja) 2010-12-24
WO2009045244A1 (en) 2009-04-09
CN101874381B (zh) 2014-03-12
KR101479599B1 (ko) 2015-01-07
CN101874381A (zh) 2010-10-27
KR20100057075A (ko) 2010-05-28

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04L 7/08 , H04L 27/26

Ipc: H04L 7/08 (1968.09), H04L 27/26 (1968.09)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL VC HOLDINGS, INC. (US)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time