CN101228756B - 用于ofdm的信道干扰减轻 - Google Patents
用于ofdm的信道干扰减轻 Download PDFInfo
- Publication number
- CN101228756B CN101228756B CN2006800267497A CN200680026749A CN101228756B CN 101228756 B CN101228756 B CN 101228756B CN 2006800267497 A CN2006800267497 A CN 2006800267497A CN 200680026749 A CN200680026749 A CN 200680026749A CN 101228756 B CN101228756 B CN 101228756B
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- ofdm
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- subcarrier
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- 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.)
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- 230000000116 mitigating effect Effects 0.000 title claims abstract description 70
- 238000004891 communication Methods 0.000 claims abstract description 90
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Images
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0056—Inter-base station aspects
-
- 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
- H04L25/0204—Channel estimation of multiple channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
-
- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
-
- 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
- H04L27/2675—Pilot or known symbols
-
- 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
- H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/190,287 US8229008B2 (en) | 2005-07-26 | 2005-07-26 | Interference mitigation for orthogonal frequency division multiplexing communication |
US11/190,287 | 2005-07-26 | ||
PCT/EP2006/063662 WO2007012538A1 (en) | 2005-07-26 | 2006-06-28 | Co-channel interference mitigation for ofdm |
EPPCT/EP2006/063662 | 2006-06-28 | ||
PCT/EP2006/064606 WO2007012635A1 (en) | 2005-07-26 | 2006-07-24 | Co-channel interference mitigation for ofdm |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101228756A CN101228756A (zh) | 2008-07-23 |
CN101228756B true CN101228756B (zh) | 2011-10-05 |
Family
ID=37401467
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800267891A Expired - Fee Related CN101228757B (zh) | 2005-07-26 | 2006-06-28 | 用于ofdm的信道互干扰减轻 |
CN201110228935.1A Expired - Fee Related CN102281227B (zh) | 2005-07-26 | 2006-06-28 | 用于ofdm的信道互干扰减轻 |
CN2006800267497A Expired - Fee Related CN101228756B (zh) | 2005-07-26 | 2006-07-24 | 用于ofdm的信道干扰减轻 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800267891A Expired - Fee Related CN101228757B (zh) | 2005-07-26 | 2006-06-28 | 用于ofdm的信道互干扰减轻 |
CN201110228935.1A Expired - Fee Related CN102281227B (zh) | 2005-07-26 | 2006-06-28 | 用于ofdm的信道互干扰减轻 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8229008B2 (zh) |
EP (1) | EP1908239B1 (zh) |
JP (2) | JP4408943B2 (zh) |
KR (2) | KR20080014892A (zh) |
CN (3) | CN101228757B (zh) |
WO (2) | WO2007012538A1 (zh) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8229008B2 (en) * | 2005-07-26 | 2012-07-24 | Nvidia Corporation | Interference mitigation for orthogonal frequency division multiplexing communication |
FI20065010A0 (fi) * | 2006-01-09 | 2006-01-09 | Nokia Corp | Häiriönvaimennuksen yhdistäminen tietoliikennejärjestelmässä |
KR100762283B1 (ko) * | 2006-02-07 | 2007-10-08 | 포스데이타 주식회사 | 디코더 및 디코딩 방법 |
US8787499B2 (en) * | 2007-03-27 | 2014-07-22 | Qualcomm Incorporated | Channel estimation with effective co-channel interference suppression |
KR100929850B1 (ko) | 2007-04-02 | 2009-12-04 | 삼성전자주식회사 | 광대역 무선통신시스템에서 간섭 제거 장치 및 방법 |
US7796698B2 (en) * | 2007-06-04 | 2010-09-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Interference suppression in a multicarrier receiver |
US8019029B1 (en) * | 2007-06-26 | 2011-09-13 | Pmc-Sierra, Inc. | Interference erasure using soft decision weighting of the Viterbi decoder input in OFDM systems |
JP4900821B2 (ja) * | 2007-07-04 | 2012-03-21 | ネッツエスアイ東洋株式会社 | Ofdm通信システム |
US9326253B2 (en) | 2007-11-15 | 2016-04-26 | Qualcomm Incorporated | Wireless communication channel blanking |
WO2009081457A1 (ja) * | 2007-12-20 | 2009-07-02 | Fujitsu Limited | 無線通信システムにおけるアップリンク電力制御方法および同システムにおける上位装置 |
KR100995045B1 (ko) * | 2007-12-31 | 2010-11-19 | 엘지전자 주식회사 | 협동 다중 입출력 통신 시스템에서, 프리코딩된 신호를송신하는 방법 |
US8458558B2 (en) * | 2008-04-30 | 2013-06-04 | Motorola Mobility Llc | Multi-antenna configuration signaling in wireless communication system |
US8144712B2 (en) | 2008-08-07 | 2012-03-27 | Motorola Mobility, Inc. | Scheduling grant information signaling in wireless communication system |
US8412243B2 (en) * | 2008-12-05 | 2013-04-02 | Electronics And Telecommunications Research Institute | Power control method and apparatus for inter-cell interference removal |
KR101055901B1 (ko) * | 2008-12-22 | 2011-08-09 | 한국전자통신연구원 | 오에프디엠 방식을 사용하는 무선 통신 시스템에 있어서, 미사용 대역의 간섭 제거 장치 및 방법 |
US8095163B2 (en) * | 2009-02-05 | 2012-01-10 | Mobilesphere Holdings LLC | System and method for push-to-talk communication in an orthogonal frequency division multiplexed communication system |
KR102120106B1 (ko) * | 2011-10-13 | 2020-06-17 | 엘지전자 주식회사 | 무선 통신 시스템에서 단말이 신호를 송수신하는 방법 및 이를 위한 장치 |
US9603035B2 (en) | 2011-10-13 | 2017-03-21 | Telefonaktiebolaget L M Ericsson | Method and node related to channel estimation |
KR102066187B1 (ko) | 2011-11-08 | 2020-01-14 | 마벨 월드 트레이드 리미티드 | 알려진 간섭을 완화하는 방법 및 장치 |
WO2013185321A1 (zh) * | 2012-06-14 | 2013-12-19 | 华为技术有限公司 | 信号传输方法、发射机和信号传输*** |
JP2014064100A (ja) * | 2012-09-20 | 2014-04-10 | Aisin Seiki Co Ltd | 電力線通信用トランシーバ及び電力線通信方法 |
US9654274B2 (en) * | 2012-11-09 | 2017-05-16 | Telefonaktiebolaget L M Ericsson (Publ) | Systems and methods for mitigating self-interference |
US9407302B2 (en) * | 2012-12-03 | 2016-08-02 | Intel Corporation | Communication device, mobile terminal, method for requesting information and method for providing information |
US9001920B2 (en) | 2013-02-19 | 2015-04-07 | At&T Intellectual Property I, Lp | Apparatus and method for interference cancellation in communication systems |
WO2014172882A1 (zh) * | 2013-04-25 | 2014-10-30 | 华为技术有限公司 | 一种载波指示的方法、基站和无线网络控制器 |
EP3016305B1 (en) | 2013-06-25 | 2018-08-15 | LG Electronics Inc. | Method and apparatus for estimating self-interference in wireless access system supporting full-duplex radio communication |
US9621389B2 (en) * | 2013-09-30 | 2017-04-11 | Volvo Car Corporation | Method to introduce complementing training symbols into a 802.11p OFDM frame in vehicular communications |
JP6515113B2 (ja) * | 2013-11-25 | 2019-05-15 | ケィティ、コーポレーションKt Corporation | ホームネットワーク伝送線路の干渉緩和装置、干渉緩和方法およびこれを用いた通信システム |
US20160183187A1 (en) * | 2014-12-22 | 2016-06-23 | Intel Corporation | Adjacent channel interference mitigation for low-power wake-up radio |
WO2017106792A1 (en) | 2015-12-16 | 2017-06-22 | Newvoicemedia Us Inc. | System and methods for tamper proof interaction recording and timestamping |
DE102015122564B4 (de) * | 2015-12-22 | 2021-06-10 | Intel IP Corporation | Kommunikationsvorrichtung und verfahren zum verarbeiten eines signals |
CN111988247B (zh) * | 2019-11-28 | 2022-10-04 | 郑州轻工业大学 | 一种基于信号虚拟分解的多址接入方法及其*** |
EP3907948A1 (en) * | 2020-05-07 | 2021-11-10 | Institut für Rundfunktechnik GmbH | Channel estimation and equalization in ofdm systems |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6795424B1 (en) * | 1998-06-30 | 2004-09-21 | Tellabs Operations, Inc. | Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems |
JP4439155B2 (ja) | 1999-11-27 | 2010-03-24 | ドイッチェ テレコム アーゲー | 多重搬送波通信システムにおける同一チャンネルの干渉除去方法 |
WO2002049385A2 (en) | 2000-12-15 | 2002-06-20 | Broadstorm Telecommunications, Inc. | Multi-carrier communications with adaptive cluster configuration and switching |
US7031419B2 (en) * | 2001-06-29 | 2006-04-18 | Nokia Corporation | Data transmission method and system |
FR2854009B1 (fr) | 2003-04-17 | 2007-05-25 | Wavecom | Signal multiporteuse concu pour reduire les interferences cellulaires au sein d'un reseau de radiocommunication, procede de construction, procede de reception, recepteur et emetteur correspondants |
KR101015736B1 (ko) | 2003-11-19 | 2011-02-22 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식의 이동통신 시스템에서선택적 전력 제어 장치 및 방법 |
US7826343B2 (en) * | 2004-09-07 | 2010-11-02 | Qualcomm Incorporated | Position location signaling method apparatus and system utilizing orthogonal frequency division multiplexing |
US8229008B2 (en) * | 2005-07-26 | 2012-07-24 | Nvidia Corporation | Interference mitigation for orthogonal frequency division multiplexing communication |
-
2005
- 2005-07-26 US US11/190,287 patent/US8229008B2/en active Active
-
2006
- 2006-06-28 JP JP2008523285A patent/JP4408943B2/ja active Active
- 2006-06-28 KR KR1020077030304A patent/KR20080014892A/ko not_active Application Discontinuation
- 2006-06-28 WO PCT/EP2006/063662 patent/WO2007012538A1/en active Search and Examination
- 2006-06-28 CN CN2006800267891A patent/CN101228757B/zh not_active Expired - Fee Related
- 2006-06-28 EP EP06763958A patent/EP1908239B1/en active Active
- 2006-06-28 CN CN201110228935.1A patent/CN102281227B/zh not_active Expired - Fee Related
- 2006-07-24 JP JP2008523348A patent/JP4408944B2/ja active Active
- 2006-07-24 WO PCT/EP2006/064606 patent/WO2007012635A1/en active Application Filing
- 2006-07-24 CN CN2006800267497A patent/CN101228756B/zh not_active Expired - Fee Related
- 2006-07-24 KR KR1020077030294A patent/KR20080014891A/ko not_active Application Discontinuation
-
2012
- 2012-03-02 US US13/410,424 patent/US8514958B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2009503964A (ja) | 2009-01-29 |
CN102281227B (zh) | 2015-01-07 |
KR20080014892A (ko) | 2008-02-14 |
US20070025454A1 (en) | 2007-02-01 |
EP1908239A1 (en) | 2008-04-09 |
CN101228756A (zh) | 2008-07-23 |
JP4408944B2 (ja) | 2010-02-03 |
JP4408943B2 (ja) | 2010-02-03 |
US8229008B2 (en) | 2012-07-24 |
KR20080014891A (ko) | 2008-02-14 |
US8514958B2 (en) | 2013-08-20 |
CN101228757A (zh) | 2008-07-23 |
WO2007012635A1 (en) | 2007-02-01 |
CN102281227A (zh) | 2011-12-14 |
US20120189073A1 (en) | 2012-07-26 |
EP1908239B1 (en) | 2013-02-13 |
JP2009503968A (ja) | 2009-01-29 |
CN101228757B (zh) | 2011-10-05 |
WO2007012538A1 (en) | 2007-02-01 |
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