CN101371546B - 在无线通信***中估计上行链路信号的信道的方法和装置 - Google Patents
在无线通信***中估计上行链路信号的信道的方法和装置 Download PDFInfo
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- CN101371546B CN101371546B CN2007800024413A CN200780002441A CN101371546B CN 101371546 B CN101371546 B CN 101371546B CN 2007800024413 A CN2007800024413 A CN 2007800024413A CN 200780002441 A CN200780002441 A CN 200780002441A CN 101371546 B CN101371546 B CN 101371546B
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000004891 communication Methods 0.000 title claims abstract description 28
- 230000004044 response Effects 0.000 claims abstract description 60
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims 2
- 238000012935 Averaging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
-
- 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
- H04L25/0224—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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
Description
Claims (23)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060004729A KR100784176B1 (ko) | 2006-01-17 | 2006-01-17 | 무선통신 시스템에서 상향링크 신호의 채널을 추정하는방법 및 상기 방법이 적용된 채널 추정기 |
KR10-2006-0004729 | 2006-01-17 | ||
KR1020060004729 | 2006-01-17 | ||
PCT/KR2007/000219 WO2007083902A1 (en) | 2006-01-17 | 2007-01-12 | Method and device for estimating channel of uplink signal in wireless communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101371546A CN101371546A (zh) | 2009-02-18 |
CN101371546B true CN101371546B (zh) | 2013-01-30 |
Family
ID=38287816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800024413A Active CN101371546B (zh) | 2006-01-17 | 2007-01-12 | 在无线通信***中估计上行链路信号的信道的方法和装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8126068B2 (zh) |
EP (1) | EP1974518A1 (zh) |
KR (1) | KR100784176B1 (zh) |
CN (1) | CN101371546B (zh) |
WO (1) | WO2007083902A1 (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8194768B1 (en) * | 2007-08-20 | 2012-06-05 | Marvell International Ltd. | Channel estimation using linear phase estimation |
KR101418592B1 (ko) * | 2007-11-13 | 2014-07-10 | 삼성전자주식회사 | 서로 다른 통신 망을 통해 동시에 데이터를 송수신하는방법 및 장치 |
KR101498060B1 (ko) * | 2008-02-19 | 2015-03-03 | 엘지전자 주식회사 | Ofdm(a) 시스템에서의 상향링크 전송 방법 |
JP5024548B2 (ja) * | 2008-03-13 | 2012-09-12 | 日本電気株式会社 | 制御信号復調装置、制御信号復調方法、無線通信装置およびプログラム |
EP2136521A1 (en) * | 2008-06-20 | 2009-12-23 | Nokia Siemens Networks Oy | Method, device and system using interference rejection combining in OFDMA |
KR101098760B1 (ko) | 2008-09-30 | 2011-12-26 | 주식회사 코아로직 | 왜곡 파일럿 복구를 통해 채널을 추정하는 채널 추정기, 그채널 추정기를 포함한 ofdm 수신장치, 및 왜곡 파일럿보상을 통한 채널추정방법 |
KR100978672B1 (ko) * | 2009-01-19 | 2010-08-30 | 삼성전기주식회사 | Ofdm 채널 매트릭스 생성 장치 및 그 방법 |
CN102597797B (zh) | 2009-06-19 | 2015-02-11 | 科达无线私人有限公司 | 无线通信***中的环境估计 |
CN102195703B (zh) * | 2010-03-17 | 2013-12-18 | 华为技术有限公司 | 中继链路物理上行控制信道信息生成方法及设备 |
CN103036820B (zh) * | 2011-09-29 | 2017-08-01 | 锐迪科(重庆)微电子科技有限公司 | 一种基于参考信号的多小区信道估计方法和装置 |
US8903001B2 (en) * | 2011-11-10 | 2014-12-02 | Marvell World Trade Ltd. | Channel estimation with decision feedback |
US9350587B1 (en) | 2012-11-30 | 2016-05-24 | Marvell International Ltd. | System and method for timing error estimation |
KR102094732B1 (ko) | 2013-03-11 | 2020-03-30 | 삼성전자주식회사 | 직교 주파수 분할 다중화 시스템에서 적응적으로 채널을 추정하는 장치 및 그 장치를 이용한 방법 |
US10285149B2 (en) | 2015-06-15 | 2019-05-07 | Qualcomm Incorporated | Orthogonal training field sequences for phase tracking |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1322416A (zh) * | 1999-09-29 | 2001-11-14 | 三星电子株式会社 | 正交频分复用/码分多址通信***中采用导频码元补偿定时误差的***和方法 |
CN1420648A (zh) * | 2001-11-15 | 2003-05-28 | 松下电器产业株式会社 | Ofdm解调方法和ofdm解调器 |
EP1335552A1 (en) * | 2002-02-07 | 2003-08-13 | Mitsubishi Electric Information Technology Centre Europe B.V. | Channel estimation in multicarrier systems |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2814011B1 (fr) * | 2000-09-14 | 2003-10-24 | France Telecom | Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant |
KR100429757B1 (ko) * | 2001-10-12 | 2004-05-03 | 한국전자통신연구원 | 직교주파수 분할 다중화 시스템의 채널 추정 시스템 및 방법 |
JP4153907B2 (ja) * | 2003-08-21 | 2008-09-24 | 株式会社東芝 | Ofdm受信装置およびofdm受信方法 |
KR20050046209A (ko) * | 2003-11-13 | 2005-05-18 | 삼성전자주식회사 | 직교주파수 분할 다중 전송 안테나 시스템에서 시변채널의 채널 추정 방법 |
KR100589678B1 (ko) * | 2003-12-24 | 2006-06-15 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 시스템의 상향 링크 채널추정 시스템 및 그 방법 |
US7394876B2 (en) * | 2004-05-28 | 2008-07-01 | Texas Instruments Incorporated | Enhanced channel estimator, method of enhanced channel estimating and an OFDM receiver employing the same |
US7693227B2 (en) * | 2005-03-31 | 2010-04-06 | Texas Instruments Incorporated | Channel length estimation and accurate FFT window placement for high-mobility OFDM receivers in single frequency networks |
TW200705913A (en) * | 2005-05-27 | 2007-02-01 | Mediaphy Corp | Adaptive interpolator for channel estimation |
US7660229B2 (en) * | 2005-06-20 | 2010-02-09 | Texas Instruments Incorporated | Pilot design and channel estimation |
-
2006
- 2006-01-17 KR KR1020060004729A patent/KR100784176B1/ko not_active IP Right Cessation
-
2007
- 2007-01-12 EP EP07708494A patent/EP1974518A1/en not_active Withdrawn
- 2007-01-12 WO PCT/KR2007/000219 patent/WO2007083902A1/en active Application Filing
- 2007-01-12 CN CN2007800024413A patent/CN101371546B/zh active Active
- 2007-01-12 US US12/161,182 patent/US8126068B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1322416A (zh) * | 1999-09-29 | 2001-11-14 | 三星电子株式会社 | 正交频分复用/码分多址通信***中采用导频码元补偿定时误差的***和方法 |
CN1420648A (zh) * | 2001-11-15 | 2003-05-28 | 松下电器产业株式会社 | Ofdm解调方法和ofdm解调器 |
EP1335552A1 (en) * | 2002-02-07 | 2003-08-13 | Mitsubishi Electric Information Technology Centre Europe B.V. | Channel estimation in multicarrier systems |
Also Published As
Publication number | Publication date |
---|---|
KR100784176B1 (ko) | 2007-12-13 |
WO2007083902A1 (en) | 2007-07-26 |
EP1974518A1 (en) | 2008-10-01 |
US8126068B2 (en) | 2012-02-28 |
KR20070075939A (ko) | 2007-07-24 |
US20090003479A1 (en) | 2009-01-01 |
CN101371546A (zh) | 2009-02-18 |
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Owner name: HILL NETWORKS, INC. Free format text: FORMER OWNER: POSDATA CO., LTD. Effective date: 20101209 |
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Effective date of registration: 20130605 Address after: Seoul, South Kerean Patentee after: Neo Lab Convergence Inc. Address before: Seoul, South Kerean Patentee before: Seah Networks Co. Lt |
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Effective date of registration: 20171120 Address after: Samoa's Aipiya overseas house building No. 217 Patentee after: Jingu Holdings Limited Address before: Seoul, South Kerean Patentee before: Neo Lab Convergence Inc. |
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Effective date of registration: 20180327 Address after: Changan Town, Guangdong city of Dongguan province usha Beach Road No. 18 Patentee after: Guangdong OPPO Mobile Communications Co., Ltd. Address before: Samoa's Aipiya overseas house building No. 217 Patentee before: Jingu Holdings Limited |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: Guangdong Opel Mobile Communications Co., Ltd. |
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