CN1606852A - 互相关方法和设备 - Google Patents
互相关方法和设备 Download PDFInfo
- Publication number
- CN1606852A CN1606852A CNA038017733A CN03801773A CN1606852A CN 1606852 A CN1606852 A CN 1606852A CN A038017733 A CNA038017733 A CN A038017733A CN 03801773 A CN03801773 A CN 03801773A CN 1606852 A CN1606852 A CN 1606852A
- Authority
- CN
- China
- Prior art keywords
- cross
- binary sequences
- signals
- complex binary
- signal
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000009825 accumulation Methods 0.000 claims description 6
- 230000009466 transformation Effects 0.000 abstract 1
- 230000001413 cellular effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/15—Correlation function computation including computation of convolution operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Physics (AREA)
- Algebra (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Databases & Information Systems (AREA)
- Computing Systems (AREA)
- Complex Calculations (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
索引 | 符号位(325) | 符号位(335) | 类型位(327) | 类型位(337) | 实数累加器(350) | 虚数累加器(360) | ||
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15 | 减 | 减 | 虚 | 虚 | -A | 开 | - | 关 |
Claims (24)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/254,974 US7203253B2 (en) | 2002-09-26 | 2002-09-26 | Method and apparatus of cross-correlation |
US10/254,974 | 2002-09-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1606852A true CN1606852A (zh) | 2005-04-13 |
CN100525273C CN100525273C (zh) | 2009-08-05 |
Family
ID=32029062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038017733A Expired - Fee Related CN100525273C (zh) | 2002-09-26 | 2003-08-08 | 互相关方法和设备 |
Country Status (6)
Country | Link |
---|---|
US (5) | US7203253B2 (zh) |
EP (1) | EP1550277B1 (zh) |
CN (1) | CN100525273C (zh) |
AU (1) | AU2003253999A1 (zh) |
MY (1) | MY136527A (zh) |
WO (1) | WO2004030301A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7203253B2 (en) | 2002-09-26 | 2007-04-10 | Marvell World Trade Ltd. | Method and apparatus of cross-correlation |
US20110069741A1 (en) * | 2009-09-24 | 2011-03-24 | Alan Erickson | System and method for seismological sounding |
EP2458510B1 (en) * | 2010-11-29 | 2014-05-07 | NTT DoCoMo, Inc. | Method and apparatus for performing a cross-correlation |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5305349A (en) * | 1993-04-29 | 1994-04-19 | Ericsson Ge Mobile Communications Inc. | Quantized coherent rake receiver |
JPH0828754B2 (ja) * | 1993-06-30 | 1996-03-21 | 日本電気株式会社 | フレーム同期方式 |
JP2734955B2 (ja) * | 1993-12-24 | 1998-04-02 | 日本電気株式会社 | 無線データ通信装置 |
JP3390272B2 (ja) * | 1994-11-10 | 2003-03-24 | 沖電気工業株式会社 | 同期検波回路 |
US5909460A (en) * | 1995-12-07 | 1999-06-01 | Ericsson, Inc. | Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
US6034635A (en) * | 1996-06-06 | 2000-03-07 | Gilhousen; Klein S. | Method for using only two base stations for determining the position of a mobile subscriber in a CDMA cellular telephone system |
US6366938B1 (en) | 1997-11-11 | 2002-04-02 | Ericsson, Inc. | Reduced power matched filter using precomputation |
US6351498B1 (en) * | 1997-11-20 | 2002-02-26 | Ntt Mobile Communications Network Inc. | Robust digital modulation and demodulation scheme for radio communications involving fading |
DE69838759T2 (de) * | 1997-12-29 | 2008-10-30 | Kabushiki Kaisha Kenwood | Schaltung zum fangen eines rahmensynchronisiersignals in einem empfänger |
US6563858B1 (en) * | 1998-01-16 | 2003-05-13 | Intersil Americas Inc. | Method of performing antenna diversity in spread spectrum in wireless local area network |
SE9800827L (sv) * | 1998-03-13 | 1999-09-14 | Ericsson Telefon Ab L M | Mottagare |
US6470055B1 (en) * | 1998-08-10 | 2002-10-22 | Kamilo Feher | Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems |
US6473506B1 (en) * | 1998-10-13 | 2002-10-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Signaling using phase rotation techniques in a digital communications system |
US6236687B1 (en) * | 1999-02-26 | 2001-05-22 | Trw Inc. | Decision directed phase locked loop (DD-PLL) for use with short block codes in digital communication systems |
AU4197500A (en) | 1999-04-06 | 2000-10-23 | Ericsson Inc. | Complex matched filter with reduced power consumption |
US6865711B2 (en) * | 2000-12-15 | 2005-03-08 | Conexant Systems, Inc. | System of and method for decoding trellis codes |
US20030067962A1 (en) * | 2001-10-10 | 2003-04-10 | Daniel Yellin | Determining cross-correlation between spreading sequences |
US7203253B2 (en) * | 2002-09-26 | 2007-04-10 | Marvell World Trade Ltd. | Method and apparatus of cross-correlation |
-
2002
- 2002-09-26 US US10/254,974 patent/US7203253B2/en active Active
-
2003
- 2003-08-08 AU AU2003253999A patent/AU2003253999A1/en not_active Abandoned
- 2003-08-08 EP EP03798672.6A patent/EP1550277B1/en not_active Expired - Lifetime
- 2003-08-08 CN CNB038017733A patent/CN100525273C/zh not_active Expired - Fee Related
- 2003-08-08 WO PCT/US2003/022500 patent/WO2004030301A1/en not_active Application Discontinuation
- 2003-08-18 MY MYPI20033137A patent/MY136527A/en unknown
-
2007
- 2007-01-18 US US11/624,550 patent/US7466769B2/en not_active Expired - Fee Related
-
2008
- 2008-11-11 US US12/268,973 patent/US8259851B1/en active Active
-
2012
- 2012-08-30 US US13/599,824 patent/US8576954B1/en not_active Expired - Lifetime
-
2013
- 2013-10-22 US US14/060,308 patent/US8942318B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20040062324A1 (en) | 2004-04-01 |
MY136527A (en) | 2008-10-31 |
US20070116155A1 (en) | 2007-05-24 |
US7466769B2 (en) | 2008-12-16 |
US8259851B1 (en) | 2012-09-04 |
AU2003253999A1 (en) | 2004-04-19 |
EP1550277A1 (en) | 2005-07-06 |
CN100525273C (zh) | 2009-08-05 |
WO2004030301A1 (en) | 2004-04-08 |
US8942318B1 (en) | 2015-01-27 |
US8576954B1 (en) | 2013-11-05 |
US7203253B2 (en) | 2007-04-10 |
EP1550277B1 (en) | 2015-12-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: MARVELL INTERNATIONAL TRADING COMPANY LTD. Free format text: FORMER OWNER: MARVELL INTERNATIONAL CO., LTD. Effective date: 20070720 Owner name: MARVELL INTERNATIONAL CO., LTD. Free format text: FORMER OWNER: INTEL CORP Effective date: 20070720 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070720 Address after: Babado J San Michael Applicant after: MARVELL WORLD TRADE Ltd. Address before: Bermuda Hamilton Applicant before: MARVELL INTERNATIONAL Ltd. Effective date of registration: 20070720 Address after: Bermuda Hamilton Applicant after: MARVELL INTERNATIONAL Ltd. Address before: American California Applicant before: INTEL Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200429 Address after: Singapore City Patentee after: Marvell Asia Pte. Ltd. Address before: Ford street, Grand Cayman, Cayman Islands Patentee before: Kaiwei international Co. Effective date of registration: 20200429 Address after: Ford street, Grand Cayman, Cayman Islands Patentee after: Kaiwei international Co. Address before: Hamilton, Bermuda Patentee before: Marvell International Ltd. Effective date of registration: 20200429 Address after: Hamilton, Bermuda Patentee after: Marvell International Ltd. Address before: Babado J San Michael Patentee before: MARVELL WORLD TRADE Ltd. |
|
TR01 | Transfer of patent right | ||
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: 20090805 Termination date: 20210808 |