TW200640212A - Frequency correlation based synchronization for coherent OFDM receiver and apparatus thereof - Google Patents
Frequency correlation based synchronization for coherent OFDM receiver and apparatus thereofInfo
- Publication number
- TW200640212A TW200640212A TW094137166A TW94137166A TW200640212A TW 200640212 A TW200640212 A TW 200640212A TW 094137166 A TW094137166 A TW 094137166A TW 94137166 A TW94137166 A TW 94137166A TW 200640212 A TW200640212 A TW 200640212A
- Authority
- TW
- Taiwan
- Prior art keywords
- frequency
- pilots
- correlation
- ofdm receiver
- time
- Prior art date
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
-
- 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
- H04L27/2681—Details of algorithms characterised by constraints
- H04L27/2686—Range of frequencies or delays tested
-
- 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
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Synchronizing For Television (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62072504P | 2004-10-22 | 2004-10-22 | |
US11/153,105 US20060088133A1 (en) | 2004-10-22 | 2005-06-15 | Time-frequency correlation-based synchronization for coherent OFDM receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200640212A true TW200640212A (en) | 2006-11-16 |
TWI273807B TWI273807B (en) | 2007-02-11 |
Family
ID=35629101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094137166A TWI273807B (en) | 2004-10-22 | 2005-10-24 | Frequency correlation based synchronization for coherent OFDM receiver and apparatus thereof |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060088133A1 (zh) |
EP (1) | EP1650921B1 (zh) |
JP (1) | JP4295755B2 (zh) |
AT (1) | ATE491295T1 (zh) |
DE (2) | DE102005045361A1 (zh) |
TW (1) | TWI273807B (zh) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4584756B2 (ja) * | 2005-04-07 | 2010-11-24 | 日本放送協会 | パイロット信号検出装置及び方法 |
CN101406016A (zh) * | 2006-03-17 | 2009-04-08 | 松下电器产业株式会社 | 无线通信基站装置及导频配置方法 |
KR101233604B1 (ko) * | 2006-07-04 | 2013-02-14 | 가부시키가이샤 히다치 고쿠사이 덴키 | 수신 장치 |
US7899106B2 (en) * | 2006-08-31 | 2011-03-01 | Sony Ericsson Mobile Communications Ab | Mitigating OFDM receiver interference caused by intermittent signal transmission |
JP5074501B2 (ja) * | 2006-09-11 | 2012-11-14 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 時間−周波数ホッピング・パターンの検出 |
JP4724677B2 (ja) * | 2006-10-31 | 2011-07-13 | Okiセミコンダクタ株式会社 | 周波数オフセット検出器とofdmシンボル検出器 |
GB0714927D0 (en) * | 2007-08-01 | 2007-09-12 | Nokia Siemens Networks Oy | Resource allocation |
US7899140B2 (en) * | 2007-12-17 | 2011-03-01 | Newport Media, Inc. | Scattered pilot correlation in DVB-H systems |
JP4505517B2 (ja) * | 2008-03-17 | 2010-07-21 | 株式会社日立国際電気 | 受信装置 |
EP2291968A1 (en) | 2008-05-28 | 2011-03-09 | Nokia Siemens Networks Oy | Method and apparatus for providing pilot signals in ofdm frames |
PL2131519T3 (pl) | 2008-06-04 | 2014-01-31 | Sony Corp | Nowa struktura ramki dla systemów z wieloma nośnymi |
GB0810950D0 (en) | 2008-06-04 | 2008-07-23 | Sony Uk Ltd | Digital signal transmission and reception |
JP5838235B2 (ja) * | 2008-06-04 | 2016-01-06 | ソニー ドイチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング | マルチキャリアシステムのための新たなフレーム及び信号パターン構造 |
EP2131540B1 (en) * | 2008-06-04 | 2013-09-18 | Sony Corporation | New frame structure for multi-carrier systems |
US8116419B2 (en) * | 2008-07-14 | 2012-02-14 | Alcatel Lucent | Methods and apparatuses for estimating time delay and frequency offset in single frequency networks |
EP2154849B1 (en) | 2008-08-14 | 2014-01-08 | Sony Corporation | New frame and signalling pattern structure for multi-carrier systems |
US8089858B2 (en) * | 2008-08-14 | 2012-01-03 | Sony Corporation | Frame and signalling pattern structure for multi-carrier systems |
ES2434541T3 (es) * | 2008-08-14 | 2013-12-16 | Sony Corporation | Nueva trama y estructura de configuración de señalización para sistemas de múltiples portadoras |
ES2434171T3 (es) * | 2008-08-14 | 2013-12-13 | Sony Corporation | Nueva trama y estructura de configuración de señalización para sistemas de múltiples portadoras |
AU2009202830C1 (en) * | 2008-08-14 | 2015-08-20 | Sony Corporation | New frame and signalling pattern structure for multi-carrier systems |
PL2154850T3 (pl) | 2008-08-14 | 2014-04-30 | Sony Corp | Nowa rama i struktura wzorca sygnalizacji dla systemów z wieloma nośnymi |
EP2161889B1 (en) * | 2008-09-08 | 2013-02-13 | Sony Corporation | New frame and data pattern structure for multi-carrier systems |
PL2161893T3 (pl) * | 2008-09-08 | 2014-03-31 | Sony Corp | Nowa struktura ramek i wzorców danych dla systemów z wieloma nośnymi |
US8194529B2 (en) * | 2008-09-08 | 2012-06-05 | Sony Corporation | Frame and data pattern structure for multi-carrier systems |
EP2175600B1 (en) * | 2008-10-09 | 2014-12-31 | Sony Corporation | New frame and data pattern structure for multi-carrier systems |
EP2175596B1 (en) * | 2008-10-09 | 2016-12-21 | Sony Corporation | New frame and data pattern structure for multi-carrier system |
US8203929B2 (en) | 2008-10-09 | 2012-06-19 | Sony Corporation | Frame and data pattern structure for multi-carrier systems |
JP5212638B2 (ja) * | 2008-11-21 | 2013-06-19 | ネッツエスアイ東洋株式会社 | 電力線搬送通信システム及び電力線搬送通信装置 |
CN101800719B (zh) * | 2009-02-10 | 2013-03-20 | 扬智科技股份有限公司 | 离散导频同步方法与装置及其通信系统 |
US9182246B2 (en) | 2010-01-25 | 2015-11-10 | Sony Corporation | Method, system and sensor for identifying an electrical device connected to a mains grid |
JP5540733B2 (ja) * | 2010-01-29 | 2014-07-02 | 富士通セミコンダクター株式会社 | 信号処理装置,信号処理方法とそれを有する受信装置 |
JP5511434B2 (ja) * | 2010-02-23 | 2014-06-04 | 三菱電機株式会社 | フレーム同期装置および受信装置 |
US9215019B2 (en) | 2012-02-13 | 2015-12-15 | Alcatel Lucent | Method and apparatus for interference cancellation in hybrid satellite-terrestrial network |
TWI487336B (zh) * | 2012-04-24 | 2015-06-01 | Mstar Semiconductor Inc | 相位誤差修正裝置及相位誤差修正方法 |
CN104349488A (zh) * | 2013-08-09 | 2015-02-11 | 阿尔卡特朗讯 | 多点协作中的信令信息交换装置与方法 |
US9137083B1 (en) * | 2014-04-17 | 2015-09-15 | Freescale Semiconductor, Inc. | Synchronization and frequency correction for a receiver |
US9253007B1 (en) * | 2014-10-13 | 2016-02-02 | Silicon Laboratories Inc. | Methods and systems for rapid detection of digital content within RF signals |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100226708B1 (ko) * | 1997-06-26 | 1999-10-15 | 전주범 | 직교분할대역 채널 등화기의 계수 메모리를 위한 어드레스 발생 장치 |
KR100314353B1 (ko) * | 1998-04-28 | 2001-12-28 | 전주범 | 직교분할대역수신시스템 |
DE19948383A1 (de) * | 1999-10-07 | 2001-04-12 | Rohde & Schwarz | Verfahren zum empfangsseitigen Bestimmen der Nutzdatenkonstellation eines nach dem DVB-T-Standard modulierten Multiträger-Signals für die Berechnung der Restträgerleistung bzw. Verbesserung der Demodulation |
JP2002009728A (ja) * | 2000-06-23 | 2002-01-11 | Hitachi Kokusai Electric Inc | 直交周波数分割多重変調伝送装置 |
DE60028200T2 (de) * | 2000-08-01 | 2007-03-15 | Sony Deutschland Gmbh | Vorrichtung und Verfahren zur Kanalschätzung für OFDM-System |
JP3776716B2 (ja) * | 2000-11-17 | 2006-05-17 | 株式会社東芝 | 直交周波数分割多重伝送信号受信装置 |
US8170513B2 (en) * | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Data detection and demodulation for wireless communication systems |
WO2004038956A1 (ja) * | 2002-10-28 | 2004-05-06 | Mitsubishi Denki Kabushiki Kaisha | ダイバーシチ受信装置およびダイバーシチ受信方法 |
FR2851384B1 (fr) * | 2003-02-17 | 2009-12-18 | Wavecom | Procede de transmission de donnees radio, signal, systeme et dispositifs correspondant. |
EP2254299B1 (en) * | 2003-03-10 | 2020-04-29 | Panasonic Intellectual Property Management Co., Ltd. | OFDM reception device |
DE60321401D1 (de) * | 2003-05-12 | 2008-07-10 | Mitsubishi Electric Corp | Demodulationseinrichtung und demodulationsverfahren |
US20040228270A1 (en) * | 2003-05-13 | 2004-11-18 | Hou-Shin Chen | Method of processing an OFDM signal and OFDM receiver using the same |
KR100555722B1 (ko) * | 2003-05-20 | 2006-03-03 | 삼성전자주식회사 | 다중 반송파 수신 시스템의 정수배 주파수 옵셋 추정 장치및 그의 정수배 주파수 옵셋 추정방법 |
US7583737B2 (en) * | 2003-05-30 | 2009-09-01 | Mitsubishi Electric Corporation | OFDM signal receiver device and OFDM signal receiving method |
AU2003238128A1 (en) * | 2003-06-30 | 2005-01-13 | Nokia Corporation | Faster fine timing operation in multi-carrier system |
KR100606105B1 (ko) * | 2003-07-04 | 2006-07-28 | 삼성전자주식회사 | 다중 접속 방식을 사용하는 이동 통신 시스템의 셀 탐색장치 및 방법 |
EP1507378B1 (en) * | 2003-08-14 | 2012-10-24 | Sony Deutschland GmbH | Frame and frequency synchronization for OFDM |
WO2005029802A1 (en) * | 2003-09-22 | 2005-03-31 | Nokia Corporation | Method, system and receiver in receiving a multi-carrier transmission |
EP1521413A3 (en) * | 2003-10-01 | 2009-09-30 | Panasonic Corporation | Multicarrier reception with channel estimation and equalisation |
AU2003267470A1 (en) * | 2003-10-03 | 2005-04-21 | Nokia Corporation | Method, system and receiver for receiving a multi-carrier transmission |
KR100507541B1 (ko) * | 2003-12-19 | 2005-08-09 | 삼성전자주식회사 | 직교주파수분할다중접속 시스템에서의 데이터 및 파일롯할당 방법 과 그를 이용한 송신 방법 및 그 장치, 수신방법과 그 장치 |
-
2005
- 2005-06-15 US US11/153,105 patent/US20060088133A1/en not_active Abandoned
- 2005-09-22 DE DE102005045361A patent/DE102005045361A1/de not_active Withdrawn
- 2005-10-24 TW TW094137166A patent/TWI273807B/zh active
- 2005-10-24 JP JP2005308748A patent/JP4295755B2/ja active Active
- 2005-10-24 AT AT05023170T patent/ATE491295T1/de not_active IP Right Cessation
- 2005-10-24 EP EP05023170A patent/EP1650921B1/en active Active
- 2005-10-24 DE DE602005025189T patent/DE602005025189D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP1650921B1 (en) | 2010-12-08 |
TWI273807B (en) | 2007-02-11 |
ATE491295T1 (de) | 2010-12-15 |
JP2006148884A (ja) | 2006-06-08 |
EP1650921A2 (en) | 2006-04-26 |
DE102005045361A1 (de) | 2006-05-04 |
US20060088133A1 (en) | 2006-04-27 |
EP1650921A3 (en) | 2007-12-12 |
DE602005025189D1 (de) | 2011-01-20 |
JP4295755B2 (ja) | 2009-07-15 |
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