CN102281227B - 用于ofdm的信道互干扰减轻 - Google Patents
用于ofdm的信道互干扰减轻 Download PDFInfo
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- CN102281227B CN102281227B CN201110228935.1A CN201110228935A CN102281227B CN 102281227 B CN102281227 B CN 102281227B CN 201110228935 A CN201110228935 A CN 201110228935A CN 102281227 B CN102281227 B CN 102281227B
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- ofdm
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- subcarrier
- interference
- ofdm transmitter
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- 230000000116 mitigating effect Effects 0.000 title claims abstract description 68
- 238000004891 communication Methods 0.000 title claims abstract description 62
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- 230000005540 biological transmission Effects 0.000 claims description 28
- 239000000969 carrier Substances 0.000 claims description 17
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 description 82
- 230000010267 cellular communication Effects 0.000 description 28
- 238000000034 method Methods 0.000 description 25
- 230000006872 improvement Effects 0.000 description 18
- 230000011664 signaling Effects 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 15
- 230000000875 corresponding effect Effects 0.000 description 11
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- 230000008569 process Effects 0.000 description 9
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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 (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/190,287 | 2005-07-26 | ||
US11/190,287 US8229008B2 (en) | 2005-07-26 | 2005-07-26 | Interference mitigation for orthogonal frequency division multiplexing communication |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800267891A Division CN101228757B (zh) | 2005-07-26 | 2006-06-28 | 用于ofdm的信道互干扰减轻 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102281227A CN102281227A (zh) | 2011-12-14 |
CN102281227B true CN102281227B (zh) | 2015-01-07 |
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 Active CN101228756B (zh) | 2005-07-26 | 2006-07-24 | 用于ofdm的信道干扰减轻 |
Family Applications Before (1)
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 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800267497A Active CN101228756B (zh) | 2005-07-26 | 2006-07-24 | 用于ofdm的信道干扰减轻 |
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 (32)
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 |
JP5051241B2 (ja) * | 2007-12-20 | 2012-10-17 | 富士通株式会社 | 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 |
WO2013055178A2 (ko) * | 2011-10-13 | 2013-04-18 | 엘지전자 주식회사 | 무선 통신 시스템에서 단말이 신호를 송수신하는 방법 및 이를 위한 장치 |
EP2777185B1 (en) * | 2011-10-13 | 2016-08-24 | Telefonaktiebolaget LM Ericsson (publ) | 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、发射机和信号传输系统 |
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 |
CN105594171B (zh) * | 2013-09-30 | 2019-03-22 | 沃尔沃汽车公司 | 用于向车载通信中的802.11p OFDM帧中引入补充训练符号的方法 |
WO2015076492A1 (ko) * | 2013-11-25 | 2015-05-28 | 주식회사 케이티 | 홈 네트워크 전송 선로의 간섭 완화 장치, 간섭 완화 방법 및 이를 이용한 통신 시스템 |
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系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001041387A1 (en) * | 1999-11-27 | 2001-06-07 | Deutsche Telekom Ag | Method for co-channel interference cancelation in a multicarrier communication system |
CN1524367A (zh) * | 2000-12-15 | 2004-08-25 | ˹���ķ��Ź�˾ | 具有自适应群集配置和交换的多载波通信 |
WO2004095729A2 (fr) * | 2003-04-17 | 2004-11-04 | 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 |
CN101228757B (zh) * | 2005-07-26 | 2011-10-05 | 无线技术解决方案有限责任公司 | 用于ofdm的信道互干扰减轻 |
Family Cites Families (4)
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 |
US7031419B2 (en) * | 2001-06-29 | 2006-04-18 | Nokia Corporation | Data transmission method and system |
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 |
-
2005
- 2005-07-26 US US11/190,287 patent/US8229008B2/en active Active
-
2006
- 2006-06-28 WO PCT/EP2006/063662 patent/WO2007012538A1/en active Search and Examination
- 2006-06-28 KR KR1020077030304A patent/KR20080014892A/ko not_active Application Discontinuation
- 2006-06-28 CN CN2006800267891A patent/CN101228757B/zh not_active Expired - Fee Related
- 2006-06-28 JP JP2008523285A patent/JP4408943B2/ja active Active
- 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 KR KR1020077030294A patent/KR20080014891A/ko not_active Application Discontinuation
- 2006-07-24 WO PCT/EP2006/064606 patent/WO2007012635A1/en active Application Filing
- 2006-07-24 CN CN2006800267497A patent/CN101228756B/zh active Active
- 2006-07-24 JP JP2008523348A patent/JP4408944B2/ja active Active
-
2012
- 2012-03-02 US US13/410,424 patent/US8514958B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001041387A1 (en) * | 1999-11-27 | 2001-06-07 | Deutsche Telekom Ag | Method for co-channel interference cancelation in a multicarrier communication system |
CN1524367A (zh) * | 2000-12-15 | 2004-08-25 | ˹���ķ��Ź�˾ | 具有自适应群集配置和交换的多载波通信 |
WO2004095729A2 (fr) * | 2003-04-17 | 2004-11-04 | 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 |
CN101228757B (zh) * | 2005-07-26 | 2011-10-05 | 无线技术解决方案有限责任公司 | 用于ofdm的信道互干扰减轻 |
Also Published As
Publication number | Publication date |
---|---|
KR20080014891A (ko) | 2008-02-14 |
US20070025454A1 (en) | 2007-02-01 |
CN101228756A (zh) | 2008-07-23 |
EP1908239B1 (en) | 2013-02-13 |
JP2009503964A (ja) | 2009-01-29 |
CN101228757A (zh) | 2008-07-23 |
WO2007012635A1 (en) | 2007-02-01 |
CN102281227A (zh) | 2011-12-14 |
JP2009503968A (ja) | 2009-01-29 |
KR20080014892A (ko) | 2008-02-14 |
EP1908239A1 (en) | 2008-04-09 |
US8229008B2 (en) | 2012-07-24 |
JP4408943B2 (ja) | 2010-02-03 |
CN101228756B (zh) | 2011-10-05 |
US20120189073A1 (en) | 2012-07-26 |
US8514958B2 (en) | 2013-08-20 |
WO2007012538A1 (en) | 2007-02-01 |
JP4408944B2 (ja) | 2010-02-03 |
CN101228757B (zh) | 2011-10-05 |
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