DE69739457D1 - Rückgewinnung des Symboltaktes in einem Empfänger für Mehrträgersignale - Google Patents
Rückgewinnung des Symboltaktes in einem Empfänger für MehrträgersignaleInfo
- Publication number
- DE69739457D1 DE69739457D1 DE69739457T DE69739457T DE69739457D1 DE 69739457 D1 DE69739457 D1 DE 69739457D1 DE 69739457 T DE69739457 T DE 69739457T DE 69739457 T DE69739457 T DE 69739457T DE 69739457 D1 DE69739457 D1 DE 69739457D1
- Authority
- DE
- Germany
- Prior art keywords
- recovery
- receiver
- symbol clock
- multicarrier signals
- multicarrier
- 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
-
- 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
- H04L27/2676—Blind, i.e. without using known symbols
- H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21924296A JP3289610B2 (ja) | 1996-07-31 | 1996-07-31 | Ofdm復調装置及びその方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69739457D1 true DE69739457D1 (de) | 2009-07-30 |
Family
ID=16732452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69739457T Expired - Lifetime DE69739457D1 (de) | 1996-07-31 | 1997-07-25 | Rückgewinnung des Symboltaktes in einem Empfänger für Mehrträgersignale |
Country Status (4)
Country | Link |
---|---|
US (1) | US6091702A (de) |
EP (1) | EP0822691B1 (de) |
JP (1) | JP3289610B2 (de) |
DE (1) | DE69739457D1 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69718799T2 (de) * | 1996-09-02 | 2003-11-13 | St Microelectronics Nv | Verbesserungen in, oder in bezug auf mehrträgerübertragungssysteme |
KR100221336B1 (ko) * | 1996-12-28 | 1999-09-15 | 전주범 | 직교 주파수 분할 다중화 수신 시스템의 프레임 동기 장치 및 그 방법 |
KR100238047B1 (ko) * | 1997-02-25 | 2000-01-15 | 윤종용 | 직교 주파수분할 다중화 전송시스템의 반송파 주파수 동기 방법 및 동기 장치 |
EP0929172B1 (de) | 1998-01-06 | 2010-06-02 | MOSAID Technologies Inc. | System zur Mehrträgermodulation, mit veränderbaren Symbolgeschwindigkeiten |
EP0932284A3 (de) * | 1998-01-27 | 2002-08-14 | Hitachi Denshi Kabushiki Kaisha | Mehrträgerübertragungssystem mit veränderbarer Bandbreite |
JP2000092142A (ja) * | 1998-09-11 | 2000-03-31 | Hitachi Denshi Ltd | データ伝送方式 |
KR20000024709A (ko) * | 1998-10-01 | 2000-05-06 | 정선종 | 대역저감 다반송파 무선송수신장치 및 그 방법 |
JP4272309B2 (ja) * | 1998-10-29 | 2009-06-03 | パナソニック株式会社 | Ofdm通信装置 |
AU2843200A (en) * | 1998-11-24 | 2000-06-13 | Hughes Electronics Corporation | Synchronization in mobile satellite systems using dual-chirp waveform |
JP2000269917A (ja) * | 1999-03-12 | 2000-09-29 | Sony Corp | 送信装置および方法、並びに提供媒体 |
JP2000269923A (ja) | 1999-03-19 | 2000-09-29 | Toshiba Corp | 外部装置同期機能をもつofdm変調器 |
US6985432B1 (en) * | 2000-01-28 | 2006-01-10 | Zion Hadad | OFDM communication channel |
US20020039211A1 (en) * | 1999-09-24 | 2002-04-04 | Tian Shen | Variable rate high-speed input and output in optical communication networks |
US7228077B2 (en) | 2000-05-12 | 2007-06-05 | Forster Energy Llc | Channel gain control for an optical communications system utilizing frequency division multiplexing |
JP2002009733A (ja) * | 2000-06-27 | 2002-01-11 | Hitachi Kokusai Electric Inc | 直交周波数分割多重変調方式の伝送装置 |
US7218691B1 (en) | 2001-03-05 | 2007-05-15 | Marvell International Ltd. | Method and apparatus for estimation of orthogonal frequency division multiplexing symbol timing and carrier frequency offset |
US8619922B1 (en) | 2002-02-04 | 2013-12-31 | Marvell International Ltd. | Method and apparatus for acquisition and tracking of orthogonal frequency division multiplexing symbol timing, carrier frequency offset and phase noise |
US6912262B1 (en) | 2001-04-30 | 2005-06-28 | Maxim Integrated Products, Inc. | Wideband symbol synchronization in the presence of multiple strong narrowband interference |
US7020218B2 (en) * | 2001-06-18 | 2006-03-28 | Arnesen David M | Sliding-window transform with integrated windowing |
US7269125B2 (en) * | 2001-12-26 | 2007-09-11 | Xm Satellite Radio, Inc. | Method and apparatus for timing recovery in an OFDM system |
US7110432B2 (en) | 2002-01-14 | 2006-09-19 | Texas Instruments Incorporated | Orthogonal chirp modulation in multipath environments |
US7139319B2 (en) * | 2003-04-03 | 2006-11-21 | The Boeing Company | Wireless RF link for uncompressed transmission of HDTV signals |
US20040196404A1 (en) * | 2003-04-03 | 2004-10-07 | The Boeing Company | Apparatus for wireless RF transmission of uncompressed HDTV signal |
US7535965B2 (en) * | 2003-04-03 | 2009-05-19 | The Boeing Company | Systems and methods for wireless transmission of uncompressed HDTV signals |
KR100818774B1 (ko) | 2004-01-29 | 2008-04-03 | 포스데이타 주식회사 | 광대역 무선 통신 시스템에서 다중-반송파 및 직접 시퀀스확산 스펙트럼 신호를 중첩시키는 방법 및 장치 |
JP2008502282A (ja) | 2004-06-08 | 2008-01-24 | サンドブリッジ テクノロジーズ インコーポレーテッド | 直交周波数分割多重受信器 |
US7733983B2 (en) * | 2005-11-14 | 2010-06-08 | Ibiquity Digital Corporation | Symbol tracking for AM in-band on-channel radio receivers |
KR20070095138A (ko) * | 2006-03-20 | 2007-09-28 | 삼성전자주식회사 | 직교분할 다중접속 시스템에서 순차적 간섭 제거 방식을이용한 상향 링크 신호 수신 장치 및 방법 |
KR20070095135A (ko) * | 2006-03-20 | 2007-09-28 | 삼성전자주식회사 | 직교 분할 다중 접속 시스템에서 부반송파 간의 간섭을줄여주는 상향 링크 수신 장치 및 그 제어방법 |
EP2073474A1 (de) * | 2007-12-20 | 2009-06-24 | Alcatel Lucent | Verfahren und Vorrichtung zur OFDM-basierten Übertragung optischer Signale |
JP5435036B2 (ja) * | 2009-11-27 | 2014-03-05 | 富士通モバイルコミュニケーションズ株式会社 | 移動無線端末 |
WO2011089714A1 (ja) * | 2010-01-22 | 2011-07-28 | 株式会社 東芝 | 無線送受信システム |
JP5712957B2 (ja) * | 2012-03-23 | 2015-05-07 | アイコム株式会社 | 通信機および通信方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6052147A (ja) * | 1983-09-01 | 1985-03-25 | Nec Corp | タイミング同期方式 |
EP0608024B1 (de) * | 1993-01-20 | 2001-04-18 | Koninklijke Philips Electronics N.V. | Übertragungssystem mit Taktrückgewinnung |
JPH0746217A (ja) * | 1993-07-26 | 1995-02-14 | Sony Corp | ディジタル復調装置 |
JPH0746218A (ja) * | 1993-07-28 | 1995-02-14 | Sony Corp | ディジタル復調装置 |
JP3074103B2 (ja) * | 1993-11-16 | 2000-08-07 | 株式会社東芝 | Ofdm同期復調回路 |
EP0982908B1 (de) * | 1994-05-09 | 2005-03-09 | Victor Company Of Japan, Limited | Einstellung eines Referenzunterträgers bei Mehrträgerübertragung |
US5657313A (en) * | 1994-05-09 | 1997-08-12 | Victor Company Of Japan, Ltd. | Signal transmitting apparatus and signal receiving apparatus using orthogonal frequency division multiplexing |
JP2731722B2 (ja) * | 1994-05-26 | 1998-03-25 | 日本電気株式会社 | クロック周波数自動制御方式及びそれに用いる送信装置と受信装置 |
US5774450A (en) * | 1995-01-10 | 1998-06-30 | Matsushita Electric Industrial Co., Ltd. | Method of transmitting orthogonal frequency division multiplexing signal and receiver thereof |
US5633896A (en) * | 1996-02-21 | 1997-05-27 | Usa Digital Radio Partners, L.P. | AM compatible digital waveform demodulation using a dual FFT |
-
1996
- 1996-07-31 JP JP21924296A patent/JP3289610B2/ja not_active Expired - Fee Related
-
1997
- 1997-07-09 US US08/890,603 patent/US6091702A/en not_active Expired - Lifetime
- 1997-07-25 EP EP97305583A patent/EP0822691B1/de not_active Expired - Lifetime
- 1997-07-25 DE DE69739457T patent/DE69739457D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0822691B1 (de) | 2009-06-17 |
JPH1051419A (ja) | 1998-02-20 |
EP0822691A2 (de) | 1998-02-04 |
JP3289610B2 (ja) | 2002-06-10 |
US6091702A (en) | 2000-07-18 |
EP0822691A3 (de) | 1999-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |