CN1582557A - 使用相位展开的dat辅助频率偏移检测 - Google Patents
使用相位展开的dat辅助频率偏移检测 Download PDFInfo
- Publication number
- CN1582557A CN1582557A CNA028220285A CN02822028A CN1582557A CN 1582557 A CN1582557 A CN 1582557A CN A028220285 A CNA028220285 A CN A028220285A CN 02822028 A CN02822028 A CN 02822028A CN 1582557 A CN1582557 A CN 1582557A
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- signal
- phase
- value
- ofdm
- sample
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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
-
- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the 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
- H04L27/2669—Details of algorithms characterised by the domain of operation
- H04L27/2671—Time 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
- H04L27/2681—Details of algorithms characterised by constraints
- H04L27/2686—Range of frequencies or delays tested
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0046—Open loops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0065—Frequency error detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0089—In-band signals
- H04L2027/0093—Intermittant signals
- H04L2027/0095—Intermittant signals in a preamble or similar structure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
信息数据率 | 6,9,12,18,24,36,48和54Mbit/s(6,12和24Mbit/s为强制的) |
调制 | BPSK-OFDM |
QPSK-OFDM | |
16-QAM-OFDM | |
64-QAM-OFDM | |
纠错码 | K-7(64状态)卷积码 |
编码速率 | 1/2,2/3,3/4 |
子载波数目 | 52 |
OFDM符号持续时间 | 4.0μs |
保护间隔 | 0.8μs(TG1) |
占用带宽 | 16.6MHz |
Claims (14)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01204247 | 2001-11-06 | ||
EP01204247.9 | 2001-11-06 | ||
PCT/IB2002/004580 WO2003041354A1 (en) | 2001-11-06 | 2002-10-31 | Dat-aided frequency offset detection using phase unwrapping |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1582557A true CN1582557A (zh) | 2005-02-16 |
CN1582557B CN1582557B (zh) | 2010-09-29 |
Family
ID=8181194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN028220285A Expired - Fee Related CN1582557B (zh) | 2001-11-06 | 2002-10-31 | 使用相位展开的dat辅助频率偏移检测 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7305053B2 (zh) |
EP (1) | EP1444815A1 (zh) |
JP (1) | JP2005509372A (zh) |
KR (1) | KR100908143B1 (zh) |
CN (1) | CN1582557B (zh) |
WO (1) | WO2003041354A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101663832B (zh) * | 2007-04-23 | 2013-01-16 | 诺基亚公司 | 频率误差估计算法 |
CN109450563A (zh) * | 2018-10-16 | 2019-03-08 | 电子科技大学 | 一种WiFi芯片相位偏移矫正方法 |
CN115604063A (zh) * | 2022-10-10 | 2023-01-13 | 电子科技大学(Cn) | 一种基于频相转换的高速磁悬浮列车通信系统解调方法 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2212744B2 (es) * | 2003-01-10 | 2005-03-16 | Diseño De Sistemas En Silicio, S.A. | Procedimiento de sincronizacion en el dominio del tiempo y de la frecuencia de multiples equipos en un sistema de transmision con modulacion ofdm. |
CN100421358C (zh) * | 2003-06-25 | 2008-09-24 | Nxp股份有限公司 | 消除窄带干扰信号的方法和设备 |
JP4922677B2 (ja) * | 2005-07-01 | 2012-04-25 | パナソニック株式会社 | 無線通信装置 |
US8073063B2 (en) * | 2005-08-23 | 2011-12-06 | Nortel Networks Limited | Methods and systems for orthogonal frequency division multiplexing (OFDM) multiple zone partitioning |
EP3709554B1 (en) | 2005-08-23 | 2021-09-22 | Apple Inc. | Pilot design for ofdm systems with four transmit antennas |
WO2007036039A1 (en) | 2005-09-30 | 2007-04-05 | Nortel Networks Limited | Initial access channel for scalable wireless mobile communication networks |
GB0520332D0 (en) * | 2005-10-06 | 2005-11-16 | Roke Manor Research | Calibration of phased array antennas |
US7809083B1 (en) | 2006-01-23 | 2010-10-05 | Marvell International Ltd. | Differential receiver with frequency offset compensation |
KR100766041B1 (ko) * | 2006-09-15 | 2007-10-12 | 삼성전자주식회사 | 초광대역 신호의 간섭 회피 방법 및 상기 방법을 수행하는초광대역 단말기 |
US20080107222A1 (en) * | 2006-11-06 | 2008-05-08 | L3 Communications Integrated Systems, L.P. | System and method for signal phase correction |
CN101202727B (zh) * | 2006-12-14 | 2013-03-13 | 北京三星通信技术研究有限公司 | 子载波干扰自抵消导引符号的构造方法 |
KR101013082B1 (ko) | 2007-10-05 | 2011-02-14 | 한국철도기술연구원 | 컨버터 제어용 위상 및 주파수 검출기 |
EP2061197A1 (en) | 2007-11-13 | 2009-05-20 | Nokia Siemens Networks Oy | Method and device for data processing and communication system comprising such device |
GB2496379A (en) | 2011-11-04 | 2013-05-15 | Univ Edinburgh | A freespace optical communication system which exploits the rolling shutter mechanism of a CMOS camera |
CN105187348B (zh) * | 2015-05-31 | 2018-04-13 | 中国电子科技集团公司第十研究所 | 任意速率cpfsk信号定时同步方法 |
US9954712B1 (en) * | 2017-06-23 | 2018-04-24 | Intel Corporation | Blind decoding in orthogonal frequency division multiplexing (OFDM) communication systems |
EP3752846B1 (en) * | 2018-02-16 | 2023-07-12 | Koninklijke Philips N.V. | Improved clock synchronization of a clocked electronic device |
KR101991844B1 (ko) * | 2018-06-20 | 2019-06-21 | 국방과학연구소 | 지연 시간 추정 장치 및 방법 |
US11381441B2 (en) * | 2018-11-28 | 2022-07-05 | Nxp Usa, Inc. | Dispersion compensation in mm-wave communication over plastic waveguide using OFDM |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3700457C1 (de) * | 1987-01-09 | 1988-06-23 | Ant Nachrichtentech | Verfahren und Anordnung zur Synchronisation eines Empfaengers bei digitalen UEbertragungssystemen |
EP0546614B1 (de) * | 1991-12-07 | 1997-05-07 | Philips Patentverwaltung GmbH | Mobilfunkempfänger dessen verbesserte Anfangssysnchronisation mit einer Feststation durch Frequenzschätzung mittels Impulserkennung erreicht wird |
GB2319935B (en) * | 1996-11-29 | 2001-10-24 | Daewoo Electronics Co Ltd | Apparatus for correcting frequency offset in ofdm receiving system |
CA2306846A1 (en) * | 1997-11-03 | 1999-05-14 | Harris Corporation | Reconfigurable radio system architecture |
US6104767A (en) * | 1997-11-17 | 2000-08-15 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for estimating a frequency offset |
JP3598938B2 (ja) * | 2000-04-19 | 2004-12-08 | 日本電気株式会社 | 携帯無線システム及びそれに用いる携帯無線装置並びにそれらに用いる周波数誤差推定方法 |
US7103118B2 (en) * | 2001-11-26 | 2006-09-05 | Dataradio Inc. | Vectorial combiner for diversity reception in RF tranceivers |
-
2002
- 2002-10-31 EP EP02777720A patent/EP1444815A1/en not_active Withdrawn
- 2002-10-31 JP JP2003543267A patent/JP2005509372A/ja active Pending
- 2002-10-31 CN CN028220285A patent/CN1582557B/zh not_active Expired - Fee Related
- 2002-10-31 US US10/494,821 patent/US7305053B2/en not_active Expired - Lifetime
- 2002-10-31 KR KR1020047006827A patent/KR100908143B1/ko not_active IP Right Cessation
- 2002-10-31 WO PCT/IB2002/004580 patent/WO2003041354A1/en active Application Filing
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101663832B (zh) * | 2007-04-23 | 2013-01-16 | 诺基亚公司 | 频率误差估计算法 |
CN109450563A (zh) * | 2018-10-16 | 2019-03-08 | 电子科技大学 | 一种WiFi芯片相位偏移矫正方法 |
CN109450563B (zh) * | 2018-10-16 | 2021-04-30 | 电子科技大学 | 一种WiFi芯片相位偏移矫正方法 |
CN115604063A (zh) * | 2022-10-10 | 2023-01-13 | 电子科技大学(Cn) | 一种基于频相转换的高速磁悬浮列车通信系统解调方法 |
CN115604063B (zh) * | 2022-10-10 | 2024-04-30 | 电子科技大学 | 一种基于频相转换的高速磁悬浮列车通信系统解调方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2005509372A (ja) | 2005-04-07 |
US20050084042A1 (en) | 2005-04-21 |
CN1582557B (zh) | 2010-09-29 |
US7305053B2 (en) | 2007-12-04 |
EP1444815A1 (en) | 2004-08-11 |
KR20040062617A (ko) | 2004-07-07 |
KR100908143B1 (ko) | 2009-07-16 |
WO2003041354A1 (en) | 2003-05-15 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070817 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070817 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150915 Address after: Delaware Patentee after: III Holding 6 limited liability company Address before: Holland Ian Deho Finn Patentee before: Koninkl Philips Electronics NV |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20181031 |