CN101286760B - 正交频分复用系统中信道估计的装置及方法 - Google Patents
正交频分复用系统中信道估计的装置及方法 Download PDFInfo
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- CN101286760B CN101286760B CN2008101087844A CN200810108784A CN101286760B CN 101286760 B CN101286760 B CN 101286760B CN 2008101087844 A CN2008101087844 A CN 2008101087844A CN 200810108784 A CN200810108784 A CN 200810108784A CN 101286760 B CN101286760 B CN 101286760B
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000004364 calculation method Methods 0.000 claims abstract description 43
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- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
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- 238000004891 communication Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 15
- 230000006872 improvement Effects 0.000 description 5
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- 238000004088 simulation Methods 0.000 description 3
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- 230000008901 benefit Effects 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 2
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- 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
- H04L25/022—Channel estimation of frequency response
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- 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
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- 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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
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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
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- Computer Networks & Wireless Communication (AREA)
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Abstract
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Claims (13)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101087844A CN101286760B (zh) | 2008-06-02 | 2008-06-02 | 正交频分复用系统中信道估计的装置及方法 |
US12/400,169 US8391427B2 (en) | 2008-06-02 | 2009-03-09 | Channel estimation methods and apparatus utilizing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101087844A CN101286760B (zh) | 2008-06-02 | 2008-06-02 | 正交频分复用系统中信道估计的装置及方法 |
Publications (2)
Publication Number | Publication Date |
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CN101286760A CN101286760A (zh) | 2008-10-15 |
CN101286760B true CN101286760B (zh) | 2011-12-21 |
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Application Number | Title | Priority Date | Filing Date |
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CN2008101087844A Active CN101286760B (zh) | 2008-06-02 | 2008-06-02 | 正交频分复用系统中信道估计的装置及方法 |
Country Status (2)
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US (1) | US8391427B2 (zh) |
CN (1) | CN101286760B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102025396B (zh) | 2009-09-23 | 2013-09-11 | 华为技术有限公司 | 滤波处理方法、系统及设备 |
CN101777946B (zh) * | 2009-12-24 | 2013-09-11 | 华为技术有限公司 | 信息发送及接收方法及装置 |
US8559567B1 (en) | 2010-02-05 | 2013-10-15 | Marvell International Ltd. | Channel estimation using reduced-complexity cascaded one-dimensional filtering |
CN101989964B (zh) * | 2010-08-06 | 2013-02-13 | 电子科技大学 | 一种低复杂度的维纳滤波信道估计方法 |
CN103379054B (zh) * | 2012-04-27 | 2018-02-06 | 北京新岸线移动多媒体技术有限公司 | 信道估计方法及装置 |
CN103581065B (zh) * | 2012-07-27 | 2017-06-20 | 重庆重邮信科通信技术有限公司 | 一种维纳滤波信道估计方法和装置 |
US10090905B2 (en) * | 2014-12-29 | 2018-10-02 | Electronics And Telecommunications Research Institute | Method and apparatus for transmitting pilot in multi-antenna communication system, and method and apparatus for allocating pilot in multi-antenna communication system |
CN104601500B (zh) * | 2015-02-02 | 2018-05-29 | 华为技术有限公司 | 信道估计的方法和装置 |
JP6502764B2 (ja) * | 2015-02-10 | 2019-04-17 | 日本放送協会 | 送信装置、受信装置、及び半導体チップ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1787506A (zh) * | 2004-12-09 | 2006-06-14 | 中兴通讯股份有限公司 | 正交频分复用系统的导频分配方法和装置 |
CN1889554A (zh) * | 2005-06-27 | 2007-01-03 | 华为技术有限公司 | 导频传送方法 |
Family Cites Families (5)
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US6771591B1 (en) * | 2000-07-31 | 2004-08-03 | Thomson Licensing S.A. | Method and system for processing orthogonal frequency division multiplexed signals |
US7876839B2 (en) * | 2005-12-30 | 2011-01-25 | Intel Corporation | Receiver and method for channel estimation for multicarrier communication systems |
AU2007215649B2 (en) * | 2006-02-14 | 2010-11-18 | Samsung Electronics Co., Ltd. | Channel estimation method and apparatus using linear interpolation scheme in orthogonal frequency division multiplexing system and receiver using the same |
US8644363B2 (en) * | 2006-12-31 | 2014-02-04 | Intellectual Discovery Co., Ltd. | Apparatus and method for estimating channel in MIMO system based OFDM/OFDMA |
KR101397248B1 (ko) * | 2007-12-16 | 2014-05-20 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
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2008
- 2008-06-02 CN CN2008101087844A patent/CN101286760B/zh active Active
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2009
- 2009-03-09 US US12/400,169 patent/US8391427B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1787506A (zh) * | 2004-12-09 | 2006-06-14 | 中兴通讯股份有限公司 | 正交频分复用系统的导频分配方法和装置 |
CN1889554A (zh) * | 2005-06-27 | 2007-01-03 | 华为技术有限公司 | 导频传送方法 |
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Publication number | Publication date |
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US20090296836A1 (en) | 2009-12-03 |
US8391427B2 (en) | 2013-03-05 |
CN101286760A (zh) | 2008-10-15 |
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