DE602006017296D1 - Verzögerungsmessung in einem OFDM Empfänger - Google Patents
Verzögerungsmessung in einem OFDM EmpfängerInfo
- Publication number
- DE602006017296D1 DE602006017296D1 DE602006017296T DE602006017296T DE602006017296D1 DE 602006017296 D1 DE602006017296 D1 DE 602006017296D1 DE 602006017296 T DE602006017296 T DE 602006017296T DE 602006017296 T DE602006017296 T DE 602006017296T DE 602006017296 D1 DE602006017296 D1 DE 602006017296D1
- Authority
- DE
- Germany
- Prior art keywords
- delay measurement
- ofdm receiver
- ofdm
- receiver
- delay
- 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.)
- Active
Links
Classifications
-
- 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
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
-
- 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
- H04L27/2668—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
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2676—Blind, i.e. without using 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
- H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005175781A JP4588548B2 (ja) | 2005-06-15 | 2005-06-15 | 受信装置及び受信方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602006017296D1 true DE602006017296D1 (de) | 2010-11-18 |
Family
ID=36992694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602006017296T Active DE602006017296D1 (de) | 2005-06-15 | 2006-06-14 | Verzögerungsmessung in einem OFDM Empfänger |
Country Status (5)
Country | Link |
---|---|
US (1) | US7672221B2 (de) |
EP (1) | EP1734715B8 (de) |
JP (1) | JP4588548B2 (de) |
CN (1) | CN100574304C (de) |
DE (1) | DE602006017296D1 (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4559316B2 (ja) * | 2005-07-20 | 2010-10-06 | 日本放送協会 | 遅延プロファイル測定方法及び装置 |
CN102882628B (zh) * | 2006-04-25 | 2016-12-21 | 日本电气株式会社 | 无线发送设备、无线通信系统和导频信号发送方法 |
US8189621B2 (en) | 2006-05-12 | 2012-05-29 | Microsoft Corporation | Stack signaling to application with lack of requested bandwidth |
US9420603B2 (en) * | 2006-09-08 | 2016-08-16 | Qualcomm Incorporated | Recovery from resource mismatch in a wireless communication system |
EP2254259B1 (de) * | 2006-09-22 | 2016-11-09 | Mitsubishi Electric R&D Centre Europe B.V. | Verfahren und Vorrichtung zur Übertragung von Signalen, die Pilotensymbolmuster entsprechen |
US7830994B2 (en) * | 2006-10-18 | 2010-11-09 | Analog Devices, Inc. | Channel estimation system and method |
US8144793B2 (en) | 2006-12-12 | 2012-03-27 | Microsoft Corporation | Cognitive multi-user OFDMA |
EP1953982B1 (de) * | 2007-02-05 | 2011-04-27 | Sequans Communications | Verfahren und Vorrichtung zur Zeitsynchronisation und Scanning von Nachbarzellen für zelluläre OFDM-Systeme |
JP2008219498A (ja) * | 2007-03-05 | 2008-09-18 | Oki Electric Ind Co Ltd | 中継通信システム |
US7929623B2 (en) * | 2007-03-30 | 2011-04-19 | Microsoft Corporation | FEC in cognitive multi-user OFDMA |
US8130632B2 (en) * | 2007-04-06 | 2012-03-06 | Panasonic Corporation | Transmitter and SSB signal generation method |
US7970085B2 (en) | 2007-05-08 | 2011-06-28 | Microsoft Corporation | OFDM transmission and reception for non-OFDMA signals |
US8300715B2 (en) * | 2007-07-10 | 2012-10-30 | Qualcomm Incorporated | Method and apparatus for reuse of WAN infrastructure resources in a wireless peer-to-peer (P2P) network |
CN101796788B (zh) | 2007-08-31 | 2016-11-16 | 松下电器产业株式会社 | 通信装置和通信方法 |
US8374130B2 (en) | 2008-01-25 | 2013-02-12 | Microsoft Corporation | Orthogonal frequency division multiple access with carrier sense |
CN101299733B (zh) * | 2008-03-05 | 2012-05-16 | 中国科学院嘉兴无线传感网工程中心 | 一种应用于无线传感网的最小均方误差信道估计装置 |
US8520500B2 (en) * | 2008-03-28 | 2013-08-27 | Qualcomm Incorporated | Buffered demod and demap functions |
WO2009143559A1 (en) * | 2008-05-26 | 2009-12-03 | Commonwealth Scientific And Industrial Research Organisation | Measurement of time of arrival |
US8503283B2 (en) * | 2008-06-12 | 2013-08-06 | Nokia Corporation | Channel access protocol for wireless communication |
US8275074B2 (en) * | 2009-02-17 | 2012-09-25 | Telefonaktiebolaget Lm Ericsson (Publ) | OFDM receiver for dispersive environment |
TWI422193B (zh) * | 2009-05-11 | 2014-01-01 | Mstar Semiconductor Inc | 通道估測裝置與方法 |
CN101938435B (zh) * | 2009-06-30 | 2013-03-20 | 中兴通讯股份有限公司 | 一种正交频分复用系统的时偏估计装置及方法 |
WO2012055065A1 (en) * | 2010-10-25 | 2012-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement in wireless communications system |
WO2012109782A1 (en) * | 2011-02-14 | 2012-08-23 | Qualcomm Incorporated | Pilot signal cancellation scheme for wireless mobile broadband systems based on ofdm |
EP2720500B1 (de) * | 2011-06-13 | 2016-05-11 | Fujitsu Limited | Mobilstation, basisstation, kommunikationssystem und kommunikationsverfahren |
CN102386888A (zh) * | 2011-09-28 | 2012-03-21 | 李军 | 一种点频滤波方法、装置及其系统 |
KR101977593B1 (ko) | 2012-06-25 | 2019-08-28 | 삼성전자주식회사 | 복수의 안테나들을 이용한 mimo 다중화에 기반하여 전송단에서 시크릿 정보를 전송하는 방법 및 수신단에서 시크릿 정보를 수신하는 방법 |
CN102833016B (zh) * | 2012-08-20 | 2014-11-05 | 电子科技大学 | 一种在多径环境下针对同源信号时差的测定方法 |
JP5824441B2 (ja) * | 2012-11-06 | 2015-11-25 | 日本電信電話株式会社 | 通信装置、チャネル情報取得方法、及び無線通信システム |
JPWO2016133044A1 (ja) * | 2015-02-20 | 2017-12-14 | 日本電気株式会社 | 受信装置、受信方法 |
CN106304313A (zh) * | 2015-05-21 | 2017-01-04 | 中兴通讯股份有限公司 | 定时偏移的处理方法及装置 |
US10623986B2 (en) | 2015-10-22 | 2020-04-14 | Photonic Systems, Inc. | RF signal separation and suppression system and method |
US10158432B2 (en) | 2015-10-22 | 2018-12-18 | Photonic Systems, Inc. | RF signal separation and suppression system and method |
EP3349372B1 (de) * | 2017-01-11 | 2019-12-04 | Volkswagen Aktiengesellschaft | Verfahren zur einstellung der störpegel zur drahtlosen kommunikation von einer ersten mobilstation zu einer zweiten mobilstation und geeignete mobilstation zur verwendung mit dem verfahren und angepasstes fahrzeug |
WO2018194691A1 (en) * | 2017-04-21 | 2018-10-25 | Photonic Systems, Inc. | Rf signal separation and suppression system and method |
JP7015648B2 (ja) * | 2017-06-16 | 2022-02-03 | 株式会社東芝 | 無線通信装置および無線通信方法 |
US11394586B2 (en) | 2018-03-09 | 2022-07-19 | Nec Corporation | Wireless apparatus and channel prediction method |
US20190044626A1 (en) * | 2018-05-14 | 2019-02-07 | Intel Corporation | Method and apparatus for detecting and locating a fault in a cable network |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09266466A (ja) * | 1996-03-28 | 1997-10-07 | Sumitomo Electric Ind Ltd | デジタル伝送システム |
JPH10190562A (ja) | 1996-12-26 | 1998-07-21 | Toshiba Corp | 移動通信システムの基地局間フレーム同期方式およびこの方式を適用した基地局装置 |
US5867478A (en) | 1997-06-20 | 1999-02-02 | Motorola, Inc. | Synchronous coherent orthogonal frequency division multiplexing system, method, software and device |
JP3694396B2 (ja) | 1997-10-20 | 2005-09-14 | 松下電器産業株式会社 | 無線通信装置及び無線通信方法 |
US7548506B2 (en) * | 2001-10-17 | 2009-06-16 | Nortel Networks Limited | System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design |
JP3677492B2 (ja) * | 2002-07-31 | 2005-08-03 | 松下電器産業株式会社 | マルチキャリア送信装置およびマルチキャリア送信方法 |
JP4276009B2 (ja) | 2003-02-06 | 2009-06-10 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局、基地局、無線伝送プログラム、及び無線伝送方法 |
DE10331311B4 (de) | 2003-07-10 | 2008-02-07 | Siemens Ag | Verfahren zur Synchronisation eines in Funkzellen aufgeteilten Funkkommunikationssystems |
US7339999B2 (en) * | 2004-01-21 | 2008-03-04 | Qualcomm Incorporated | Pilot transmission and channel estimation for an OFDM system with excess delay spread |
US7418046B2 (en) * | 2004-07-22 | 2008-08-26 | Qualcomm Inc. | Pilot transmission and channel estimation for multiple transmitters |
JP2006140689A (ja) * | 2004-11-11 | 2006-06-01 | Matsushita Electric Ind Co Ltd | マルチアンテナ通信装置および通信相手選択方法 |
JP4985942B2 (ja) * | 2005-01-11 | 2012-07-25 | 日本電気株式会社 | 基地局装置、無線伝送システム、無線基地局用プログラム、及びタイミング推定方法 |
-
2005
- 2005-06-15 JP JP2005175781A patent/JP4588548B2/ja not_active Expired - Fee Related
-
2006
- 2006-06-14 US US11/452,412 patent/US7672221B2/en not_active Expired - Fee Related
- 2006-06-14 DE DE602006017296T patent/DE602006017296D1/de active Active
- 2006-06-14 EP EP06253085A patent/EP1734715B8/de not_active Ceased
- 2006-06-15 CN CNB2006100922298A patent/CN100574304C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1734715A3 (de) | 2008-12-10 |
EP1734715A2 (de) | 2006-12-20 |
US20070002728A1 (en) | 2007-01-04 |
CN1881972A (zh) | 2006-12-20 |
JP2006352492A (ja) | 2006-12-28 |
US7672221B2 (en) | 2010-03-02 |
EP1734715B8 (de) | 2011-01-19 |
JP4588548B2 (ja) | 2010-12-01 |
EP1734715B1 (de) | 2010-10-06 |
CN100574304C (zh) | 2009-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8381 | Inventor (new situation) |
Inventor name: SUGIYAMA, TAKATOSHI, 2-CHOME CHIYODA-KU TOKYO , JP Inventor name: FUJII, HIROMASA, TOKYO, JP Inventor name: YOSHINO, HITOSHI, 2-CHOME CHIYODA-KU TOKYO 100, JP |