DE60316851D1 - Schnellerer fein-timing-betrieb in einem mehrträgersystem - Google Patents
Schnellerer fein-timing-betrieb in einem mehrträgersystemInfo
- Publication number
- DE60316851D1 DE60316851D1 DE60316851T DE60316851T DE60316851D1 DE 60316851 D1 DE60316851 D1 DE 60316851D1 DE 60316851 T DE60316851 T DE 60316851T DE 60316851 T DE60316851 T DE 60316851T DE 60316851 D1 DE60316851 D1 DE 60316851D1
- Authority
- DE
- Germany
- Prior art keywords
- timing operation
- tray system
- energy
- signal
- faster
- 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.)
- Expired - Lifetime
Links
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
- H04L27/2663—Coarse synchronisation, e.g. by correlation
-
- 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
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FI2003/000529 WO2005002164A1 (en) | 2003-06-30 | 2003-06-30 | Faster fine timing operation in multi-carrier system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60316851D1 true DE60316851D1 (de) | 2007-11-22 |
DE60316851T2 DE60316851T2 (de) | 2008-01-31 |
Family
ID=33547879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60316851T Expired - Lifetime DE60316851T2 (de) | 2003-06-30 | 2003-06-30 | Schnellerer fein-timing-betrieb in einem mehrträgersystem |
Country Status (7)
Country | Link |
---|---|
US (1) | US7577087B2 (de) |
EP (1) | EP1639775B1 (de) |
CN (1) | CN1802832B (de) |
AT (1) | ATE375667T1 (de) |
AU (1) | AU2003238128A1 (de) |
DE (1) | DE60316851T2 (de) |
WO (1) | WO2005002164A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7619964B2 (en) * | 2004-07-08 | 2009-11-17 | Nokia Corporation | High doppler channel estimation for OFD multiple antenna systems |
CN100566317C (zh) * | 2004-10-22 | 2009-12-02 | 财团法人工业技术研究院 | 基于频率相关性的相干正交频分复用接收器同步方法与装置 |
US20060088133A1 (en) * | 2004-10-22 | 2006-04-27 | Industrial Technology Research Institute | Time-frequency correlation-based synchronization for coherent OFDM receiver |
US20060221810A1 (en) * | 2005-03-10 | 2006-10-05 | Bojan Vrcelj | Fine timing acquisition |
US20100157833A1 (en) * | 2005-03-10 | 2010-06-24 | Qualcomm Incorporated | Methods and systems for improved timing acquisition for varying channel conditions |
US8675631B2 (en) * | 2005-03-10 | 2014-03-18 | Qualcomm Incorporated | Method and system for achieving faster device operation by logical separation of control information |
US8165167B2 (en) | 2005-03-10 | 2012-04-24 | Qualcomm Incorporated | Time tracking for a communication system |
US7609773B2 (en) * | 2005-04-18 | 2009-10-27 | Qualcomm Incorporated | Method of determining the location of the FFT window and the delay spread for the platinum broadcast channel estimator |
CN101223753A (zh) | 2005-07-20 | 2008-07-16 | Nxp股份有限公司 | 用于精细ofdm符号同步的方法和同步器以及用于ofdm符号接收的方法/接收器 |
US8228950B2 (en) * | 2005-09-18 | 2012-07-24 | Alvarion Ltd. | Method and device for handling ranging signals in a wireless communications network |
US7623607B2 (en) * | 2005-10-31 | 2009-11-24 | Qualcomm Incorporated | Methods and apparatus for determining timing in a wireless communication system |
US8948329B2 (en) | 2005-12-15 | 2015-02-03 | Qualcomm Incorporated | Apparatus and methods for timing recovery in a wireless transceiver |
KR100872043B1 (ko) * | 2005-12-29 | 2008-12-05 | 삼성전자주식회사 | 광대역 무선접속 통신시스템에서 파일럿 패턴 결정 장치 및방법 |
JP4904929B2 (ja) * | 2006-05-31 | 2012-03-28 | 富士通セミコンダクター株式会社 | Ofdm受信機、妨害波判別方法、窓制御装置、及び窓制御方法 |
WO2008007020A2 (fr) * | 2006-07-12 | 2008-01-17 | France Telecom | Procedes d'emission et de reception d'un signal multiporteuse comprenant des pilotes isoles, dispositifs et produits programme d'ordinateur correspondants |
KR100752670B1 (ko) * | 2006-08-25 | 2007-08-29 | 삼성전자주식회사 | 순방향 에러 정정 디코더의 출력을 이용하여 심볼 값을추정하는 ofdm 시스템, 심볼 추정 장치 및 캐리어사이의 간섭 제거 방법 |
US8711038B2 (en) * | 2006-10-05 | 2014-04-29 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Industry, Through The Communications Research Centre Canada | High-resolution ranging and location finding using multicarrier signals |
EP2087679A1 (de) * | 2006-10-26 | 2009-08-12 | QUALCOMM Incorporated | Verfahren und vorrichtung zur trägerfrequenzoffsetschätzung und rahmensynchronisation in einem drahtlosen kommunikationssystem |
US7769094B2 (en) | 2006-11-10 | 2010-08-03 | Telefonaktiebolaget L M Ericsson (Publ) | Arrangement and method for reducing the impact of interfering signals in a communication system |
US8369428B2 (en) | 2007-02-09 | 2013-02-05 | Nxp B.V. | Method of synchronizing multi-carrier systems and multi-carrier system |
US7894331B2 (en) * | 2007-09-05 | 2011-02-22 | Newport Media, Inc. | Adaptive time-domain interpolation for OFDM scattered pilot symbols |
JP5098553B2 (ja) * | 2007-10-10 | 2012-12-12 | 富士通セミコンダクター株式会社 | Ofdm受信装置およびofdm受信方法 |
JP2009111749A (ja) * | 2007-10-30 | 2009-05-21 | Sony Corp | 受信装置、受信方法、およびプログラム |
JP4412387B2 (ja) * | 2007-10-30 | 2010-02-10 | ソニー株式会社 | 受信装置、受信方法、およびプログラム |
US8194807B2 (en) * | 2007-11-01 | 2012-06-05 | Nxp B.V. | Method to discriminate a real echo peak from an aliased echo peak |
EP3675396B1 (de) * | 2008-03-31 | 2021-07-28 | Panasonic Intellectual Property Management Co., Ltd. | Empfänger, empfangsverfahren, empfangsprogramm, integrierte schaltung und digitales fernsehen |
JP4626698B2 (ja) * | 2008-09-29 | 2011-02-09 | ソニー株式会社 | 情報処理装置及び方法、表示装置、並びにプログラム |
KR100973477B1 (ko) | 2008-10-22 | 2010-08-03 | 주식회사 텔레칩스 | Ofdm 시스템에서 미세 타이밍 동기 추정 장치 및 방법 |
US8396180B2 (en) * | 2008-12-18 | 2013-03-12 | Kawasaki Microelectronics America Inc. | High jitter tolerant phase comparator |
JP5347720B2 (ja) * | 2009-05-29 | 2013-11-20 | 富士通セミコンダクター株式会社 | 復調回路、復調方法、及び受信システム |
US8416733B2 (en) * | 2009-06-30 | 2013-04-09 | Qualcomm Incorporated | Time tracking loops for a communication system utilizing a cyclic prefix |
US20110158342A1 (en) * | 2009-06-30 | 2011-06-30 | Qualcomm Incorporated | Time tracking for a communication system utilizing a cyclic prefix |
KR101070483B1 (ko) | 2009-09-24 | 2011-10-05 | 세종대학교산학협력단 | Mb-ofdm 시스템의 주파수 오차 추정 방법 및 그 장치 |
KR100976856B1 (ko) | 2010-04-30 | 2010-08-20 | 삼성탈레스 주식회사 | Ofdm 시스템의 하향링크 미세 시간 동기 추정 장치 및 방법 |
KR20130006935A (ko) | 2011-06-27 | 2013-01-18 | 삼성전자주식회사 | 수신기 및 이의 동작 방법 |
US8718210B2 (en) * | 2011-09-20 | 2014-05-06 | Qualcomm Incorporated | Channel impulse response estimation for wireless receiver |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3859716B2 (ja) | 1995-08-16 | 2006-12-20 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 伝送システム |
JP3479418B2 (ja) * | 1996-10-18 | 2003-12-15 | アルパイン株式会社 | デジタルオーディオ放送における受信装置 |
KR100234329B1 (ko) * | 1997-09-30 | 1999-12-15 | 윤종용 | Ofdm 시스템 수신기의 fft 윈도우 위치 복원장치 및 그 방법_ |
FI106592B (fi) * | 1998-05-07 | 2001-02-28 | Nokia Multimedia Network Termi | Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä |
GB2365714A (en) | 2000-03-15 | 2002-02-20 | Conexant Digital Infotainment | Minimising effects of inter-symbol interference in receiver |
JP4337228B2 (ja) * | 2000-04-13 | 2009-09-30 | ソニー株式会社 | Ofdm受信装置及び方法 |
JP4356203B2 (ja) * | 2000-07-11 | 2009-11-04 | ソニー株式会社 | 復調装置及び復調方法 |
KR100358120B1 (ko) * | 2000-10-20 | 2002-10-25 | 한국전자통신연구원 | 동일대역 인접채널 방식의 디지털 오디오 방송 전송 시스템 |
GB2369015A (en) * | 2000-11-09 | 2002-05-15 | Sony Uk Ltd | Receiver that uses guard signals to estimate synchronisation position |
GB2369016B (en) * | 2000-11-09 | 2004-06-09 | Sony Uk Ltd | Receiver |
GB2376855A (en) * | 2001-06-20 | 2002-12-24 | Sony Uk Ltd | Determining symbol synchronisation in an OFDM receiver in response to one of two impulse response estimates |
US7327800B2 (en) * | 2002-05-24 | 2008-02-05 | Vecima Networks Inc. | System and method for data detection in wireless communication systems |
GB2412552A (en) * | 2004-03-26 | 2005-09-28 | Sony Uk Ltd | Receiver |
US7609773B2 (en) * | 2005-04-18 | 2009-10-27 | Qualcomm Incorporated | Method of determining the location of the FFT window and the delay spread for the platinum broadcast channel estimator |
US8315191B2 (en) * | 2005-09-20 | 2012-11-20 | Qualcomm Incorporated | Timing acquisition and mode and guard detection for an OFDM transmission |
KR20070061215A (ko) * | 2005-12-08 | 2007-06-13 | 한국전자통신연구원 | 다중 반송파를 이용한 광대역 무선 채널 측정 장치의송수신 장치 |
US7684313B2 (en) * | 2007-03-30 | 2010-03-23 | Zoran Corporation | System and method for FFT window timing synchronization for an orthogonal frequency-division multiplexed data stream |
-
2003
- 2003-06-30 CN CN038268345A patent/CN1802832B/zh not_active Expired - Fee Related
- 2003-06-30 EP EP03735745A patent/EP1639775B1/de not_active Expired - Lifetime
- 2003-06-30 AT AT03735745T patent/ATE375667T1/de not_active IP Right Cessation
- 2003-06-30 AU AU2003238128A patent/AU2003238128A1/en not_active Abandoned
- 2003-06-30 DE DE60316851T patent/DE60316851T2/de not_active Expired - Lifetime
- 2003-06-30 US US10/563,085 patent/US7577087B2/en active Active
- 2003-06-30 WO PCT/FI2003/000529 patent/WO2005002164A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN1802832B (zh) | 2010-12-01 |
EP1639775A1 (de) | 2006-03-29 |
EP1639775B1 (de) | 2007-10-10 |
ATE375667T1 (de) | 2007-10-15 |
US7577087B2 (en) | 2009-08-18 |
AU2003238128A1 (en) | 2005-01-13 |
CN1802832A (zh) | 2006-07-12 |
US20070053473A1 (en) | 2007-03-08 |
WO2005002164A1 (en) | 2005-01-06 |
DE60316851T2 (de) | 2008-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |