ATE314772T1 - Synchronisation von ofdm signalen mit verbesserter fensterfunktion - Google Patents
Synchronisation von ofdm signalen mit verbesserter fensterfunktionInfo
- Publication number
- ATE314772T1 ATE314772T1 AT00928396T AT00928396T ATE314772T1 AT E314772 T1 ATE314772 T1 AT E314772T1 AT 00928396 T AT00928396 T AT 00928396T AT 00928396 T AT00928396 T AT 00928396T AT E314772 T1 ATE314772 T1 AT E314772T1
- Authority
- AT
- Austria
- Prior art keywords
- symbol
- window function
- sample
- time
- offset
- 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
- 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
- H04L27/2691—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Noise Elimination (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/300,752 US6074086A (en) | 1999-04-26 | 1999-04-26 | Synchronization of OFDM signals with improved windowing |
| PCT/US2000/011165 WO2000065710A1 (en) | 1999-04-26 | 2000-04-25 | Synchronization of ofdm signals with improved windowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE314772T1 true ATE314772T1 (de) | 2006-01-15 |
Family
ID=23160426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT00928396T ATE314772T1 (de) | 1999-04-26 | 2000-04-25 | Synchronisation von ofdm signalen mit verbesserter fensterfunktion |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6074086A (de) |
| EP (1) | EP1183774B1 (de) |
| JP (1) | JP4478339B2 (de) |
| AT (1) | ATE314772T1 (de) |
| AU (1) | AU4664500A (de) |
| CA (1) | CA2372072C (de) |
| DE (1) | DE60025200T2 (de) |
| WO (1) | WO2000065710A1 (de) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6353636B1 (en) * | 1998-12-23 | 2002-03-05 | Nortel Networks Limited | Symbol alignment method |
| US6269132B1 (en) * | 1999-04-26 | 2001-07-31 | Intellon Corporation | Windowing function for maintaining orthogonality of channels in the reception of OFDM symbols |
| US6711221B1 (en) * | 2000-02-16 | 2004-03-23 | Thomson Licensing S.A. | Sampling offset correction in an orthogonal frequency division multiplexing system |
| NZ506558A (en) | 2000-08-25 | 2003-04-29 | Ind Res Ltd | A broadband indoor communication system using ofdm |
| US6373377B1 (en) | 2000-10-05 | 2002-04-16 | Conexant Systems, Inc. | Power supply with digital data coupling for power-line networking |
| US6438367B1 (en) * | 2000-11-09 | 2002-08-20 | Magis Networks, Inc. | Transmission security for wireless communications |
| NZ509688A (en) | 2001-02-01 | 2003-06-30 | Ind Res Ltd | Maximum likelihood sychronisation (estimating time delay) for wireless digital communications system using a pilot symbol |
| 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 |
| 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 |
| 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 |
| US7394864B2 (en) * | 2001-07-06 | 2008-07-01 | Conexant, Inc. | Mixed waveform configuration for wireless communications |
| US20030081538A1 (en) * | 2001-10-18 | 2003-05-01 | Walton Jay R. | Multiple-access hybrid OFDM-CDMA system |
| AU2003284317A1 (en) * | 2002-10-21 | 2004-05-13 | Intellon Corporation | Contention-free access intervals on a csma network |
| US6931076B2 (en) * | 2002-12-31 | 2005-08-16 | Intel Corporation | Signal detector |
| US7433296B2 (en) * | 2003-05-29 | 2008-10-07 | Silicon Integrated Systems Corp. | Mode detection for OFDM signals |
| US8090857B2 (en) | 2003-11-24 | 2012-01-03 | Qualcomm Atheros, Inc. | Medium access control layer that encapsulates data from a plurality of received data units into a plurality of independently transmittable blocks |
| US7684568B2 (en) * | 2003-11-24 | 2010-03-23 | Intellon Corporation | Encrypting data in a communication network |
| DE102004044957B4 (de) * | 2004-09-16 | 2007-04-19 | Infineon Technologies Ag | Medium-Zugriffs-Steuerungs-Einheit, Mobilfunkeinrichtung und Verfahren zum Abbilden mittels einer Mobilfunkeinrichtung zu übertragender Daten |
| KR100703523B1 (ko) | 2005-01-17 | 2007-04-03 | 삼성전자주식회사 | 직교 주파수 분할 다중 수신기에서 에러 벡터 크기를감소시키기 위한 방법 및 장치 |
| US7602852B2 (en) * | 2005-04-21 | 2009-10-13 | Telefonaktiebolaget L M Ericsson (Publ) | Initial parameter estimation in OFDM systems |
| US7688904B2 (en) * | 2005-05-12 | 2010-03-30 | Intellon Corporation | Generating signals for transmission of information |
| US7590183B2 (en) * | 2005-05-12 | 2009-09-15 | Intellon Corporation | Generating signals for transmission of information |
| US7558294B2 (en) | 2005-07-27 | 2009-07-07 | Intellon Corporation | Time synchronization in a network |
| US8175190B2 (en) | 2005-07-27 | 2012-05-08 | Qualcomm Atheros, Inc. | Managing spectra of modulated signals in a communication network |
| US7822059B2 (en) | 2005-07-27 | 2010-10-26 | Atheros Communications, Inc. | Managing contention-free time allocations in a network |
| US7729372B2 (en) | 2005-07-27 | 2010-06-01 | Sharp Corporation | Communicating in a network that includes a medium having varying transmission characteristics |
| US7733983B2 (en) * | 2005-11-14 | 2010-06-08 | Ibiquity Digital Corporation | Symbol tracking for AM in-band on-channel radio receivers |
| KR100788894B1 (ko) * | 2005-12-09 | 2007-12-27 | 한국전자통신연구원 | 확대된 서비스 영역을 제공하는 직교 주파수 분할 다중방식의 무선 랜 송수신 시스템 및 그 방법 |
| US7839760B2 (en) * | 2005-12-09 | 2010-11-23 | Electronics And Telecommunications Research Institute | Transmitting and receiving systems for increasing service coverage in orthogonal frequency division multiplexing wireless local area network, and method thereof |
| EP2153588B1 (de) | 2007-05-10 | 2012-02-08 | Qualcomm Atheros, Inc. | Verwaltung des verteilten zugriffes auf ein gemeinsam genutztes medium |
| US9413686B2 (en) | 2007-06-04 | 2016-08-09 | Qualcomm Incorporated | Establishing a unique end-to-end management key |
| US8009750B2 (en) * | 2007-12-21 | 2011-08-30 | Qualcomm, Incorporated | Receiver window shaping in OFDM to mitigate narrowband interference |
| US8208522B2 (en) * | 2008-03-07 | 2012-06-26 | Nokia Corporation | System and methods for receiving OFDM symbols having timing and frequency offsets |
| WO2011130306A1 (en) | 2010-04-12 | 2011-10-20 | Qualcomm Atheros, Inc. | Delayed acknowledgements for low-overhead communication in a network |
| US10091044B2 (en) | 2014-07-17 | 2018-10-02 | Conversant Intellectual Property Management Inc. | System and method for frequency synchronization of Doppler-shifted subcarriers |
| KR102189730B1 (ko) | 2015-09-03 | 2020-12-14 | 주식회사 쏠리드 | 디지털 데이터 압축 및 복원 장치 |
| US9780819B2 (en) * | 2016-03-04 | 2017-10-03 | Texas Instruments Incorporated | System and method for improving narrowband interference performance |
| CN115427768B (zh) * | 2020-03-17 | 2025-11-28 | 伊顿智能动力有限公司 | 传感器数据集成和事件检测 |
| CN112067887B (zh) * | 2020-09-09 | 2021-08-27 | 山东大学 | 基于滤波器正交特性的采样值丢失情况下相量计算方法 |
| US11855683B2 (en) * | 2021-06-29 | 2023-12-26 | Raytheon Company | Configurable acquisition engine for receiver of spread spectrum signals |
| CN114460362B (zh) * | 2022-01-25 | 2025-12-09 | 中国船舶集团有限公司第七二四研究所 | 一种基于三通道欠采样的超宽带数字瞬时测频方法 |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917916B2 (ja) * | 1975-12-26 | 1984-04-24 | 日本電気株式会社 | イソウドウキソウチ |
| US4438511A (en) * | 1980-11-10 | 1984-03-20 | Telebit Corporation | Packetized ensemble modem |
| US5357502A (en) * | 1990-02-06 | 1994-10-18 | France Telecom And Telediffusion De France Sa | Device for the reception of digital data time frequency interlacing, notably for radio broadcasting at high bit rate towards mobile receivers with nyquist temporal window |
| KR100186803B1 (ko) * | 1990-03-30 | 1999-05-01 | 마틴 호워드 스토크스 | 악영향을 주는 간섭을 개선한 송.수신 |
| SG44771A1 (en) * | 1991-02-28 | 1997-12-19 | Philips Electronics Nv | System for broadcasting and receiving digital data receiver and transmitter for use in such system |
| US5282222A (en) * | 1992-03-31 | 1994-01-25 | Michel Fattouche | Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum |
| US5555268A (en) * | 1994-01-24 | 1996-09-10 | Fattouche; Michel | Multicode direct sequence spread spectrum |
| GB9218874D0 (en) * | 1992-09-07 | 1992-10-21 | British Broadcasting Corp | Improvements relating to the transmission of frequency division multiplex signals |
| US5546429A (en) * | 1992-11-09 | 1996-08-13 | Motorola, Inc. | Frequency hopping code division multiple access radio communication unit |
| EP0608024B1 (de) * | 1993-01-20 | 2001-04-18 | Koninklijke Philips Electronics N.V. | Übertragungssystem mit Taktrückgewinnung |
| SE9302453L (sv) * | 1993-07-20 | 1994-10-17 | Telia Ab | Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM |
| 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 |
| US5444697A (en) * | 1993-08-11 | 1995-08-22 | The University Of British Columbia | Method and apparatus for frame synchronization in mobile OFDM data communication |
| US5596604A (en) * | 1993-08-17 | 1997-01-21 | Amati Communications Corporation | Multicarrier modulation transmission system with variable delay |
| US5450456A (en) * | 1993-11-12 | 1995-09-12 | Daimler Benz Ag | Method and arrangement for measuring the carrier frequency deviation in a multi-channel transmission system |
| JP3041175B2 (ja) * | 1993-11-12 | 2000-05-15 | 株式会社東芝 | Ofdm同期復調回路 |
| JP3074103B2 (ja) * | 1993-11-16 | 2000-08-07 | 株式会社東芝 | Ofdm同期復調回路 |
| SE9400116L (sv) * | 1994-01-18 | 1995-03-27 | Telia Ab | Förfarande och arrangemang för synkronisering vid OFDM- modulering |
| 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 |
| US5627863A (en) * | 1994-07-15 | 1997-05-06 | Amati Communications Corporation | Frame synchronization in multicarrier transmission systems |
| US5682376A (en) * | 1994-12-20 | 1997-10-28 | Matsushita Electric Industrial Co., Ltd. | Method of transmitting orthogonal frequency division multiplex signal, and transmitter and receiver employed therefor |
| US5774450A (en) * | 1995-01-10 | 1998-06-30 | Matsushita Electric Industrial Co., Ltd. | Method of transmitting orthogonal frequency division multiplexing signal and receiver thereof |
| JP3130752B2 (ja) * | 1995-02-24 | 2001-01-31 | 株式会社東芝 | Ofdm伝送受信方式及び送受信装置 |
| SE514986C2 (sv) * | 1995-03-01 | 2001-05-28 | Telia Ab | Metod och anordning för synkronisering vid OFDM-system |
| US5636224A (en) * | 1995-04-28 | 1997-06-03 | Motorola Inc. | Method and apparatus for interleave/de-interleave addressing in data communication circuits |
| US5802117A (en) * | 1996-02-08 | 1998-09-01 | Philips Electronics North America Corporation | Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system |
| KR100186930B1 (ko) * | 1996-03-13 | 1999-05-15 | (소장)배문한 | 직교성 주파수 분할 다중화 방식 신호를 이용한초기프레임동기화방법 |
| SE518137C2 (sv) * | 1996-06-18 | 2002-09-03 | Telia Ab | Pulsformning och utjämning i multipelsystem med ortogonal frekvensindelning |
| US5732113A (en) * | 1996-06-20 | 1998-03-24 | Stanford University | Timing and frequency synchronization of OFDM signals |
| CA2183140C (en) * | 1996-08-12 | 2001-11-20 | Telecommunications Research Laboratories | Ofdm timing and frequency recovery system |
| US6058101A (en) * | 1997-06-11 | 2000-05-02 | Industrial Technology Research Institute | Synchronization method and system for a digital receiver |
-
1999
- 1999-04-26 US US09/300,752 patent/US6074086A/en not_active Expired - Lifetime
-
2000
- 2000-04-25 DE DE60025200T patent/DE60025200T2/de not_active Expired - Lifetime
- 2000-04-25 CA CA002372072A patent/CA2372072C/en not_active Expired - Lifetime
- 2000-04-25 AU AU46645/00A patent/AU4664500A/en not_active Abandoned
- 2000-04-25 AT AT00928396T patent/ATE314772T1/de not_active IP Right Cessation
- 2000-04-25 EP EP00928396A patent/EP1183774B1/de not_active Expired - Lifetime
- 2000-04-25 WO PCT/US2000/011165 patent/WO2000065710A1/en not_active Ceased
- 2000-04-25 JP JP2000614550A patent/JP4478339B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP4478339B2 (ja) | 2010-06-09 |
| DE60025200D1 (de) | 2006-02-02 |
| CA2372072C (en) | 2009-09-29 |
| EP1183774A2 (de) | 2002-03-06 |
| WO2000065710A8 (en) | 2001-03-08 |
| US6074086A (en) | 2000-06-13 |
| CA2372072A1 (en) | 2000-11-02 |
| AU4664500A (en) | 2000-11-10 |
| EP1183774A4 (de) | 2004-05-26 |
| EP1183774B1 (de) | 2005-12-28 |
| WO2000065710A1 (en) | 2000-11-02 |
| DE60025200T2 (de) | 2006-09-07 |
| JP2002543649A (ja) | 2002-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |