CN1197289C - 用于多载波通信***的可换算模式方法 - Google Patents
用于多载波通信***的可换算模式方法 Download PDFInfo
- Publication number
- CN1197289C CN1197289C CNB018109551A CN01810955A CN1197289C CN 1197289 C CN1197289 C CN 1197289C CN B018109551 A CNB018109551 A CN B018109551A CN 01810955 A CN01810955 A CN 01810955A CN 1197289 C CN1197289 C CN 1197289C
- Authority
- CN
- China
- Prior art keywords
- code element
- pilot tone
- subchannel
- data symbols
- stream
- 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
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Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/630,235 US6424678B1 (en) | 2000-08-01 | 2000-08-01 | Scalable pattern methodology for multi-carrier communication systems |
US09/630,235 | 2000-08-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1443407A CN1443407A (zh) | 2003-09-17 |
CN1197289C true CN1197289C (zh) | 2005-04-13 |
Family
ID=24526346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018109551A Expired - Lifetime CN1197289C (zh) | 2000-08-01 | 2001-07-02 | 用于多载波通信***的可换算模式方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6424678B1 (zh) |
EP (2) | EP2285037A1 (zh) |
CN (1) | CN1197289C (zh) |
AU (2) | AU2001271726B2 (zh) |
CA (1) | CA2412387C (zh) |
HK (1) | HK1058591A1 (zh) |
WO (1) | WO2002011331A2 (zh) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
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DE69922794T2 (de) * | 1999-06-16 | 2005-05-19 | Sony International (Europe) Gmbh | Optimierte Synchronisierungspräambelstruktur für OFDM-System |
EP1217770A1 (en) * | 1999-09-30 | 2002-06-26 | Fujitsu Limited | Transmitter, receiver, and transmitting method in multi-carrier transmission system |
US7061990B2 (en) * | 2000-07-21 | 2006-06-13 | Pmc-Sierra Inc. | Systems and methods for the dynamic range compression of multi-bearer single-carrier and multi-carrier waveforms |
US6721267B2 (en) * | 2000-08-01 | 2004-04-13 | Motorola, Inc. | Time and bandwidth scalable slot format for mobile data system |
EP1178640B1 (en) * | 2000-08-01 | 2006-05-24 | Sony Deutschland GmbH | Device and method for channel estimating an OFDM system |
US6804223B2 (en) * | 2000-11-30 | 2004-10-12 | Ipr Licensing, Inc. | Reverse link pilot integrated with block codes |
US7065151B2 (en) * | 2000-12-21 | 2006-06-20 | Agere Systems Inc. | Channel optimization system |
US7116722B2 (en) * | 2001-02-09 | 2006-10-03 | Lucent Technologies Inc. | Wireless communication system using multi-element antenna having a space-time architecture |
US7027485B2 (en) * | 2001-02-21 | 2006-04-11 | Koninklijke Philips Electronics N.V. | Signal discriminator for a spread spectrum system |
KR100830495B1 (ko) * | 2001-12-29 | 2008-05-21 | 엘지전자 주식회사 | 도플러 천이 추정 방법 및 이를 이용한 데이터 전송 방법 |
GB2386519B (en) * | 2002-03-12 | 2004-05-26 | Toshiba Res Europ Ltd | Adaptive Multicarrier Communication |
US7363039B2 (en) | 2002-08-08 | 2008-04-22 | Qualcomm Incorporated | Method of creating and utilizing diversity in multiple carrier communication system |
US6961595B2 (en) | 2002-08-08 | 2005-11-01 | Flarion Technologies, Inc. | Methods and apparatus for operating mobile nodes in multiple states |
JP4381749B2 (ja) * | 2002-09-19 | 2009-12-09 | パナソニック株式会社 | 無線通信装置及び無線通信方法 |
US6909761B2 (en) * | 2002-12-19 | 2005-06-21 | Motorola, Inc. | Digital communication system having improved pilot encoding |
US6904550B2 (en) * | 2002-12-30 | 2005-06-07 | Motorola, Inc. | Velocity enhancement for OFDM systems |
EP1602184B1 (en) | 2003-02-19 | 2012-09-05 | QUALCOMM Incorporated | Methods and apparatus of coding in multi-user communications systems |
US8593932B2 (en) | 2003-05-16 | 2013-11-26 | Qualcomm Incorporated | Efficient signal transmission methods and apparatus using a shared transmission resource |
US7925291B2 (en) | 2003-08-13 | 2011-04-12 | Qualcomm Incorporated | User specific downlink power control channel Q-bit |
US7272109B2 (en) * | 2003-08-27 | 2007-09-18 | Conexant Systems, Inc. | Modified OFDM subcarrier profile |
US8509051B2 (en) | 2003-09-02 | 2013-08-13 | Qualcomm Incorporated | Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system |
US7221680B2 (en) * | 2003-09-02 | 2007-05-22 | Qualcomm Incorporated | Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system |
US8477809B2 (en) | 2003-09-02 | 2013-07-02 | Qualcomm Incorporated | Systems and methods for generalized slot-to-interlace mapping |
US8599764B2 (en) * | 2003-09-02 | 2013-12-03 | Qualcomm Incorporated | Transmission of overhead information for reception of multiple data streams |
US8526412B2 (en) | 2003-10-24 | 2013-09-03 | Qualcomm Incorporated | Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system |
AU2004307449C1 (en) * | 2003-10-24 | 2009-04-30 | Qualcomm Incorporated | Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system |
US6985535B2 (en) * | 2003-10-31 | 2006-01-10 | Motorola, Inc. | Channel condition estimation for pilot coefficient selection |
TWI279998B (en) * | 2004-05-25 | 2007-04-21 | Realtek Semiconductor Corp | Adaptive channel estimation method for multi-carrier communication system |
US7907671B2 (en) * | 2004-12-03 | 2011-03-15 | Motorola Mobility, Inc. | Method and system for scaling a multi-channel signal |
US8009551B2 (en) * | 2004-12-22 | 2011-08-30 | Qualcomm Incorporated | Initial pilot frequency selection |
JP4526977B2 (ja) * | 2005-03-02 | 2010-08-18 | 株式会社エヌ・ティ・ティ・ドコモ | 送信機および送信制御方法 |
US8098722B2 (en) * | 2005-03-29 | 2012-01-17 | Qualcomm Incorporated | Method and apparatus for equalization control |
EP3029846A3 (en) * | 2005-05-13 | 2016-08-17 | Dspace Pty Ltd | Method and system for communicating information in a digital signal |
US7706431B2 (en) * | 2005-06-30 | 2010-04-27 | Nokia Corporation | System and method for providing optimized receiver architectures for combined pilot and data signal tracking |
US7760827B2 (en) * | 2005-11-30 | 2010-07-20 | Motorola, Inc. | Method and apparatus for improving recovery performance of time windowed signals |
EP1811712B1 (en) * | 2006-01-19 | 2013-06-05 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting and receiving common channel in a cellular wireless communication system supporting scalable bandwidth |
US8665799B2 (en) * | 2006-09-14 | 2014-03-04 | Qualcomm Incorporated | Beacon assisted cell search in a wireless communication system |
UA94482C2 (ru) * | 2006-10-03 | 2011-05-10 | Квелкомм Інкорпорейтед | Передача синхронизации в системе беспроводной связи |
US8755313B2 (en) | 2007-01-11 | 2014-06-17 | Qualcomm Incorporated | Using DTX and DRX in a wireless communication system |
US20080239936A1 (en) * | 2007-03-28 | 2008-10-02 | Motorola, Inc. | Method and apparatus for mitigating interference in multicarrier modulation systems |
EP2134015B1 (en) * | 2007-04-05 | 2014-09-10 | NEC Corporation | Time reference identification |
US20090175210A1 (en) * | 2007-07-26 | 2009-07-09 | Qualcomm Incorporated | Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system |
SG11201406754XA (en) * | 2012-04-22 | 2014-11-27 | Elta Systems Ltd | Apparatus and methods for moving relay interference mitigation in mobile e.g. cellular communication networks |
GB201302414D0 (en) | 2013-02-12 | 2013-03-27 | Sepura Ltd | Mobile communication system |
US9450797B2 (en) | 2013-02-12 | 2016-09-20 | Sepura Plc | Mobile communications system |
US10523362B2 (en) * | 2017-12-18 | 2019-12-31 | Ciena Corporation | Systems and methods for error-free reconstruction of transmitted symbols in a coherent receiver |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5381449A (en) | 1990-06-12 | 1995-01-10 | Motorola, Inc. | Peak to average power ratio reduction methodology for QAM communications systems |
US5343499A (en) | 1990-06-12 | 1994-08-30 | Motorola, Inc. | Quadrature amplitude modulation synchronization method |
US5519730A (en) * | 1990-06-12 | 1996-05-21 | Jasper; Steven C. | Communication signal having a time domain pilot component |
US5134635A (en) | 1990-07-30 | 1992-07-28 | Motorola, Inc. | Convolutional decoder using soft-decision decoding with channel state information |
US5241544A (en) | 1991-11-01 | 1993-08-31 | Motorola, Inc. | Multi-channel tdm communication system slot phase correction |
US5533004A (en) | 1994-11-07 | 1996-07-02 | Motorola, Inc. | Method for providing and selecting amongst multiple data rates in a time division multiplexed system |
US5809083A (en) * | 1994-11-23 | 1998-09-15 | At&T Wireless Services, Inc. | Differentially encoded pilot word system and method for wireless transmissions of digital data |
JPH1051354A (ja) * | 1996-05-30 | 1998-02-20 | N T T Ido Tsushinmo Kk | Ds−cdma伝送方法 |
US5867478A (en) * | 1997-06-20 | 1999-02-02 | Motorola, Inc. | Synchronous coherent orthogonal frequency division multiplexing system, method, software and device |
-
2000
- 2000-08-01 US US09/630,235 patent/US6424678B1/en not_active Expired - Lifetime
-
2001
- 2001-07-02 EP EP10182162A patent/EP2285037A1/en not_active Withdrawn
- 2001-07-02 AU AU2001271726A patent/AU2001271726B2/en not_active Expired
- 2001-07-02 WO PCT/US2001/020948 patent/WO2002011331A2/en active IP Right Grant
- 2001-07-02 CN CNB018109551A patent/CN1197289C/zh not_active Expired - Lifetime
- 2001-07-02 EP EP01950763A patent/EP1307991A4/en not_active Ceased
- 2001-07-02 CA CA002412387A patent/CA2412387C/en not_active Expired - Lifetime
- 2001-07-02 AU AU7172601A patent/AU7172601A/xx active Pending
-
2004
- 2004-02-20 HK HK04101218A patent/HK1058591A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP2285037A1 (en) | 2011-02-16 |
WO2002011331A3 (en) | 2002-04-18 |
EP1307991A4 (en) | 2007-07-04 |
US6424678B1 (en) | 2002-07-23 |
AU2001271726B2 (en) | 2005-07-07 |
AU7172601A (en) | 2002-02-13 |
CA2412387C (en) | 2005-05-03 |
CN1443407A (zh) | 2003-09-17 |
WO2002011331A2 (en) | 2002-02-07 |
HK1058591A1 (en) | 2004-05-21 |
CA2412387A1 (en) | 2002-02-07 |
EP1307991A2 (en) | 2003-05-07 |
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