CN100562001C - 确定正交频分复用系统导频位置的方法、装置及解调设备 - Google Patents
确定正交频分复用系统导频位置的方法、装置及解调设备 Download PDFInfo
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- CN100562001C CN100562001C CNB2007100997918A CN200710099791A CN100562001C CN 100562001 C CN100562001 C CN 100562001C CN B2007100997918 A CNB2007100997918 A CN B2007100997918A CN 200710099791 A CN200710099791 A CN 200710099791A CN 100562001 C CN100562001 C CN 100562001C
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- Prior art keywords
- pilot
- carrier
- frequency domain
- sequence
- imaginary
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000002596 correlated effect Effects 0.000 claims abstract description 38
- 230000000875 corresponding effect Effects 0.000 claims abstract description 23
- 239000000284 extract Substances 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 230000021615 conjugation Effects 0.000 claims abstract description 5
- 230000000737 periodic effect Effects 0.000 claims description 7
- 239000000969 carrier Substances 0.000 description 4
- 239000013256 coordination polymer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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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
-
- 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
- H04L27/2659—Coarse or integer frequency offset determination and synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
Abstract
Description
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100997918A CN100562001C (zh) | 2007-05-30 | 2007-05-30 | 确定正交频分复用系统导频位置的方法、装置及解调设备 |
US12/023,034 US7876844B2 (en) | 2007-05-30 | 2008-01-31 | Apparatus and method for determining positions of pilot sub-carriers in an OFDM symbol |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100997918A CN100562001C (zh) | 2007-05-30 | 2007-05-30 | 确定正交频分复用系统导频位置的方法、装置及解调设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101056298A CN101056298A (zh) | 2007-10-17 |
CN100562001C true CN100562001C (zh) | 2009-11-18 |
Family
ID=38795904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007100997918A Active CN100562001C (zh) | 2007-05-30 | 2007-05-30 | 确定正交频分复用系统导频位置的方法、装置及解调设备 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7876844B2 (zh) |
CN (1) | CN100562001C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104301275B (zh) * | 2014-09-05 | 2017-09-12 | 江苏中兴微通信息科技有限公司 | 基于导频间隔优化的导频位置确定方法及收发装置 |
FR3094160B1 (fr) * | 2019-03-21 | 2022-05-06 | Continental Automotive Gmbh | Procede d’estimation d’un rapport signal sur bruit |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2188370B1 (es) * | 2001-05-21 | 2004-10-16 | Diseño De Sistemas En Silicio, S.A. | Procedimiento para la sincronizacion en el enlace descendente de multiples usuarios en un sistema de transmision punto a multipunto con modulacion ofdm. |
US7058378B2 (en) * | 2003-11-18 | 2006-06-06 | Interdigital Technology Corporation | Method and apparatus for automatic frequency correction of a local oscilator with an error signal derived from an angle value of the conjugate product and sum of block correlator outputs |
GB2412552A (en) * | 2004-03-26 | 2005-09-28 | Sony Uk Ltd | Receiver |
KR100878448B1 (ko) * | 2006-01-27 | 2009-01-13 | 삼성전자주식회사 | 광대역 무선 통신시스템에서 반송파대 간섭 및 잡음비를추정하기 위한 장치 및 방법 |
CN100571243C (zh) * | 2006-07-14 | 2009-12-16 | 华为技术有限公司 | 一种组帧同步方法 |
US7769119B2 (en) * | 2006-09-27 | 2010-08-03 | Sandbridge Technologies, Inc. | Method of initial synchronization of a communication signal |
-
2007
- 2007-05-30 CN CNB2007100997918A patent/CN100562001C/zh active Active
-
2008
- 2008-01-31 US US12/023,034 patent/US7876844B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7876844B2 (en) | 2011-01-25 |
CN101056298A (zh) | 2007-10-17 |
US20080298485A1 (en) | 2008-12-04 |
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Effective date of registration: 20171221 Address after: 100083 Haidian District, Xueyuan Road, No. 35, the world building, the second floor of the building on the ground floor, No. 16 Patentee after: Zhongxing Technology Co., Ltd. Address before: 100083, Haidian District, Xueyuan Road, Beijing No. 35, Nanjing Ning building, 15 Floor Patentee before: Beijing Vimicro Corporation |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100083 Haidian District, Xueyuan Road, No. 35, the world building, the second floor of the building on the ground floor, No. 16 Patentee after: Mid Star Technology Limited by Share Ltd Address before: 100083 Haidian District, Xueyuan Road, No. 35, the world building, the second floor of the building on the ground floor, No. 16 Patentee before: Zhongxing Technology Co., Ltd. |