WO2000065792A1 - A windowing function for maintaining orthogonality of channels in the reception of ofdm symbols - Google Patents
A windowing function for maintaining orthogonality of channels in the reception of ofdm symbols Download PDFInfo
- Publication number
- WO2000065792A1 WO2000065792A1 PCT/US2000/011032 US0011032W WO0065792A1 WO 2000065792 A1 WO2000065792 A1 WO 2000065792A1 US 0011032 W US0011032 W US 0011032W WO 0065792 A1 WO0065792 A1 WO 0065792A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- symbol
- window
- 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
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
Landscapes
- Signal Processing (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Noise Elimination (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Details Of Aerials (AREA)
- Radio Transmission System (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000614623A JP4421117B2 (en) | 1999-04-26 | 2000-04-25 | Window function to maintain channel orthogonality in receiving OFDM symbols |
EP00926328A EP1181797B1 (en) | 1999-04-26 | 2000-04-25 | A windowing function for maintaining orthogonality of channels in the reception of ofdm symbols |
AU44874/00A AU4487400A (en) | 1999-04-26 | 2000-04-25 | A windowing function for maintaining orthogonality of channels in the reception of ofdm symbols |
DE60039167T DE60039167D1 (en) | 1999-04-26 | 2000-04-25 | A WINDING FUNCTION FOR OBTAINING ORTHOGONALITY ON THE RECEPTION OF OFDM SYMBOLS |
CA002371748A CA2371748C (en) | 1999-04-26 | 2000-04-25 | A windowing function for maintaining orthogonality of channels in the reception of ofdm symbols |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/299,810 US6269132B1 (en) | 1999-04-26 | 1999-04-26 | Windowing function for maintaining orthogonality of channels in the reception of OFDM symbols |
US09/299,810 | 1999-04-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000065792A1 true WO2000065792A1 (en) | 2000-11-02 |
WO2000065792A8 WO2000065792A8 (en) | 2001-04-19 |
Family
ID=23156394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/011032 WO2000065792A1 (en) | 1999-04-26 | 2000-04-25 | A windowing function for maintaining orthogonality of channels in the reception of ofdm symbols |
Country Status (8)
Country | Link |
---|---|
US (1) | US6269132B1 (en) |
EP (1) | EP1181797B1 (en) |
JP (1) | JP4421117B2 (en) |
AT (1) | ATE398375T1 (en) |
AU (1) | AU4487400A (en) |
CA (1) | CA2371748C (en) |
DE (1) | DE60039167D1 (en) |
WO (1) | WO2000065792A1 (en) |
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US7489731B2 (en) | 2000-08-25 | 2009-02-10 | Industrial Research Limited | Communication system using OFDM |
US7627067B2 (en) | 2001-02-01 | 2009-12-01 | Industrial Research Limited | Maximum likelihood synchronization for a communications system using a pilot symbol |
CN101599941B (en) * | 2009-04-24 | 2012-05-30 | 新邮通信设备有限公司 | Method and device for generating orthogonal frequency division multiplexing signal |
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KR100442816B1 (en) * | 1998-07-08 | 2004-09-18 | 삼성전자주식회사 | Orthogonal Frequency Division Multiplexing (OFDM) Receiver Synchronization Method and Apparatus |
US6760300B1 (en) * | 1999-02-17 | 2004-07-06 | Imec | High speed wireless OFDM transceiver modem |
US6891792B1 (en) * | 1999-05-14 | 2005-05-10 | At&T Corp. | Method for estimating time and frequency offset in an OFDM system |
US7327794B2 (en) * | 2002-06-24 | 2008-02-05 | Intellon Corporation | Method and apparatus for detecting a jammed channel in a block oriented digital communication system |
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US6931076B2 (en) * | 2002-12-31 | 2005-08-16 | Intel Corporation | Signal detector |
US7103111B2 (en) * | 2003-06-16 | 2006-09-05 | Motorola, Inc. | System and method for generating a spectral efficient root raised cosine (RRC) pulse for increasing spectral efficiency |
US7684568B2 (en) * | 2003-11-24 | 2010-03-23 | Intellon Corporation | Encrypting data in a communication network |
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 |
FR2871314B1 (en) * | 2004-06-07 | 2006-09-15 | Nortel Networks Ltd | METHOD FOR ESTIMATING SYMBOLS OF DIGITAL SIGNAL AND RECEIVER FOR IMPLEMENTING THE METHOD |
DE102004044957B4 (en) * | 2004-09-16 | 2007-04-19 | Infineon Technologies Ag | Medium access control unit, mobile radio device and method for mapping by means of a mobile radio device data to be transmitted |
EP1842349B1 (en) * | 2005-01-14 | 2020-04-08 | Texas Instruments Incorporated | Communication system overlap-and-add operation |
KR100800692B1 (en) * | 2005-04-11 | 2008-02-01 | 삼성전자주식회사 | Apparatus for frequency offset estimation in orthogonal frequency division multiplexing systems and method of the same |
US7590183B2 (en) * | 2005-05-12 | 2009-09-15 | Intellon Corporation | Generating signals for transmission of information |
US7688904B2 (en) * | 2005-05-12 | 2010-03-30 | Intellon Corporation | Generating signals for transmission of information |
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 |
US7558294B2 (en) * | 2005-07-27 | 2009-07-07 | Intellon Corporation | Time synchronization 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 |
US8098757B2 (en) * | 2005-10-21 | 2012-01-17 | Alcatel Lucent | Method and apparatus for windowing orthogonal frequency division multiplexed signals |
US7733983B2 (en) * | 2005-11-14 | 2010-06-08 | Ibiquity Digital Corporation | Symbol tracking for AM in-band on-channel radio receivers |
JP4695523B2 (en) * | 2006-02-16 | 2011-06-08 | 株式会社東芝 | Signal receiving apparatus, signal receiving method, and signal receiving program |
US7813433B2 (en) * | 2006-08-16 | 2010-10-12 | Harris Corporation | System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with selected subcarriers turned on or off |
US7751488B2 (en) * | 2006-08-16 | 2010-07-06 | Harris Corporation | System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) |
US7649951B2 (en) | 2006-08-16 | 2010-01-19 | Harris Corporation | System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with applied frequency domain spreading |
US7860147B2 (en) * | 2006-08-16 | 2010-12-28 | Harris Corporation | Method of communicating and associated transmitter using coded orthogonal frequency division multiplexing (COFDM) |
US7903749B2 (en) * | 2006-08-16 | 2011-03-08 | Harris Corporation | System and method for applying frequency domain spreading to multi-carrier communications signals |
JP4322928B2 (en) * | 2007-02-14 | 2009-09-02 | 株式会社東芝 | Signal receiving device |
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US8429406B2 (en) * | 2007-06-04 | 2013-04-23 | Qualcomm Atheros, Inc. | Authorizing customer premise equipment into a network |
US8595278B2 (en) * | 2009-03-03 | 2013-11-26 | Broadcom Corporation | Method and system for unconstrained frequency domain adaptive filtering |
WO2011130316A1 (en) | 2010-04-12 | 2011-10-20 | Qualcomm Atheros, Inc. | Repeating for low-overhead communication in a network |
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US6074086A (en) * | 1999-04-26 | 2000-06-13 | Intellon Corporation | Synchronization of OFDM signals with improved windowing |
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1999
- 1999-04-26 US US09/299,810 patent/US6269132B1/en not_active Expired - Lifetime
-
2000
- 2000-04-25 JP JP2000614623A patent/JP4421117B2/en not_active Expired - Fee Related
- 2000-04-25 EP EP00926328A patent/EP1181797B1/en not_active Expired - Lifetime
- 2000-04-25 AT AT00926328T patent/ATE398375T1/en not_active IP Right Cessation
- 2000-04-25 DE DE60039167T patent/DE60039167D1/en not_active Expired - Lifetime
- 2000-04-25 CA CA002371748A patent/CA2371748C/en not_active Expired - Lifetime
- 2000-04-25 WO PCT/US2000/011032 patent/WO2000065792A1/en active Search and Examination
- 2000-04-25 AU AU44874/00A patent/AU4487400A/en not_active Abandoned
Patent Citations (4)
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US5550812A (en) * | 1991-02-28 | 1996-08-27 | U.S. Philips Corporation | System for broadcasting and receiving digital data, receiver and transmitter for use in such system |
US5416767A (en) * | 1993-02-08 | 1995-05-16 | U.S. Philips Corporation | Method of transmitting a data stream, transmitter and receiver |
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 |
US6074086A (en) * | 1999-04-26 | 2000-06-13 | Intellon Corporation | Synchronization of OFDM signals with improved windowing |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7489731B2 (en) | 2000-08-25 | 2009-02-10 | Industrial Research Limited | Communication system using OFDM |
US7627067B2 (en) | 2001-02-01 | 2009-12-01 | Industrial Research Limited | Maximum likelihood synchronization for a communications system using a pilot symbol |
WO2006014142A1 (en) * | 2004-08-03 | 2006-02-09 | Agency For Science, Technology And Research | Method for detecting a signal, detector and computer program product |
US7869493B2 (en) | 2004-08-03 | 2011-01-11 | Agency For Science, Technology And Research | Method for detecting a signal, detector and computer program product |
CN101599941B (en) * | 2009-04-24 | 2012-05-30 | 新邮通信设备有限公司 | Method and device for generating orthogonal frequency division multiplexing signal |
Also Published As
Publication number | Publication date |
---|---|
WO2000065792A8 (en) | 2001-04-19 |
ATE398375T1 (en) | 2008-07-15 |
JP4421117B2 (en) | 2010-02-24 |
CA2371748C (en) | 2008-08-05 |
AU4487400A (en) | 2000-11-10 |
EP1181797A4 (en) | 2005-10-26 |
JP2002543673A (en) | 2002-12-17 |
US6269132B1 (en) | 2001-07-31 |
EP1181797A1 (en) | 2002-02-27 |
DE60039167D1 (en) | 2008-07-24 |
EP1181797B1 (en) | 2008-06-11 |
CA2371748A1 (en) | 2000-11-02 |
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