CN101411108B - 在ofdm系统中同步接收机的方法和系统 - Google Patents
在ofdm系统中同步接收机的方法和系统 Download PDFInfo
- Publication number
- CN101411108B CN101411108B CN2006800468142A CN200680046814A CN101411108B CN 101411108 B CN101411108 B CN 101411108B CN 2006800468142 A CN2006800468142 A CN 2006800468142A CN 200680046814 A CN200680046814 A CN 200680046814A CN 101411108 B CN101411108 B CN 101411108B
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- CN
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- Prior art keywords
- frequency domain
- receiver
- range finding
- signal
- tone
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- 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
- H04L27/2657—Carrier 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
- H04L27/2669—Details of algorithms characterised by the domain of operation
- H04L27/2672—Frequency domain
-
- 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
- H04L27/2679—Decision-aided
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (27)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/301,403 | 2005-12-13 | ||
US11/301,403 US7873111B2 (en) | 2005-12-13 | 2005-12-13 | Method and system for synchoronizing a receiver in an OFDM system |
PCT/US2006/047627 WO2007070605A2 (en) | 2005-12-13 | 2006-12-12 | Method and system for synchronizing a receiver in an ofdm system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101411108A CN101411108A (zh) | 2009-04-15 |
CN101411108B true CN101411108B (zh) | 2012-11-21 |
Family
ID=38139329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800468142A Active CN101411108B (zh) | 2005-12-13 | 2006-12-12 | 在ofdm系统中同步接收机的方法和系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7873111B2 (zh) |
CN (1) | CN101411108B (zh) |
IL (1) | IL191914A (zh) |
TW (1) | TWI380656B (zh) |
WO (1) | WO2007070605A2 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4396416B2 (ja) * | 2003-10-24 | 2010-01-13 | ソニー株式会社 | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
US8121203B1 (en) | 2006-10-25 | 2012-02-21 | Altera Corporation | Ranging code detection |
CN101924723B (zh) * | 2009-06-09 | 2013-05-08 | 中兴通讯股份有限公司 | Ofdm信号解调方法和装置 |
CN101958728B (zh) * | 2009-07-17 | 2013-03-27 | 中兴通讯股份有限公司 | 实现远距离ranging检测的方法与装置 |
US8532504B2 (en) * | 2010-10-28 | 2013-09-10 | Opnext Subsystems, Inc. | Coherent optical receiver with adaptive equalizer initialization system |
JP5755503B2 (ja) * | 2011-05-30 | 2015-07-29 | 富士通セミコンダクター株式会社 | 受信装置および受信方法 |
CN103560991B (zh) * | 2013-10-18 | 2016-08-17 | 北京航空航天大学 | 适用于正交频分复用接收机抑制测距仪脉冲干扰的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020176354A1 (en) * | 2001-03-08 | 2002-11-28 | Alain Chiodini | Timing misalignment estimation |
CN1463148A (zh) * | 2002-05-30 | 2003-12-24 | 三星电子株式会社 | 正交频分复用发射机和使用其的正交频分复用发射方法 |
US6891792B1 (en) * | 1999-05-14 | 2005-05-10 | At&T Corp. | Method for estimating time and frequency offset in an OFDM system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0961448B1 (en) * | 1998-05-26 | 2009-01-07 | Panasonic Corporation | Modulator, demodulator, and transmission system for use in OFDM transmission |
US6959050B2 (en) * | 2001-06-15 | 2005-10-25 | Motorola, Inc. | Method and apparatus for synchronizing an OFDM signal |
US7362802B2 (en) * | 2003-09-12 | 2008-04-22 | Zarbana Digital Fund Llc | Frequency domain equalizer for wireless commuications system |
US7251283B2 (en) * | 2003-10-20 | 2007-07-31 | Mediatek, Inc. | Timing offset compensation in orthogonal frequency division multiplexing systems |
US7602852B2 (en) * | 2005-04-21 | 2009-10-13 | Telefonaktiebolaget L M Ericsson (Publ) | Initial parameter estimation in OFDM systems |
US20070036233A1 (en) * | 2005-08-15 | 2007-02-15 | Xiaoyong Yu | Sampling of data streams and supporting methods and apparatus |
-
2005
- 2005-12-13 US US11/301,403 patent/US7873111B2/en not_active Expired - Fee Related
-
2006
- 2006-12-12 CN CN2006800468142A patent/CN101411108B/zh active Active
- 2006-12-12 WO PCT/US2006/047627 patent/WO2007070605A2/en active Application Filing
- 2006-12-13 TW TW095146672A patent/TWI380656B/zh active
-
2008
- 2008-06-03 IL IL191914A patent/IL191914A/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6891792B1 (en) * | 1999-05-14 | 2005-05-10 | At&T Corp. | Method for estimating time and frequency offset in an OFDM system |
US20020176354A1 (en) * | 2001-03-08 | 2002-11-28 | Alain Chiodini | Timing misalignment estimation |
CN1463148A (zh) * | 2002-05-30 | 2003-12-24 | 三星电子株式会社 | 正交频分复用发射机和使用其的正交频分复用发射方法 |
Also Published As
Publication number | Publication date |
---|---|
US7873111B2 (en) | 2011-01-18 |
CN101411108A (zh) | 2009-04-15 |
TW200742381A (en) | 2007-11-01 |
IL191914A0 (en) | 2008-12-29 |
TWI380656B (en) | 2012-12-21 |
WO2007070605A2 (en) | 2007-06-21 |
US20070133697A1 (en) | 2007-06-14 |
WO2007070605A3 (en) | 2008-11-06 |
IL191914A (en) | 2013-03-24 |
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Owner name: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110110 |
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Effective date of registration: 20110110 Address after: Illinois State Applicant after: MOTOROLA MOBILITY, Inc. Address before: Illinois State Applicant before: Motorola, Inc. |
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Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
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Effective date of registration: 20160315 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |