CN102714642B - 用于信道估计的方法和装置 - Google Patents
用于信道估计的方法和装置 Download PDFInfo
- Publication number
- CN102714642B CN102714642B CN200980162864.0A CN200980162864A CN102714642B CN 102714642 B CN102714642 B CN 102714642B CN 200980162864 A CN200980162864 A CN 200980162864A CN 102714642 B CN102714642 B CN 102714642B
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- CN
- China
- Prior art keywords
- interpolation
- csi
- channel
- multicarrier symbol
- communications systems
- 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.)
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
-
- 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
Abstract
Description
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2009/001574 WO2011079411A1 (en) | 2009-12-29 | 2009-12-29 | Method and apparatus for channel estimation |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102714642A CN102714642A (zh) | 2012-10-03 |
CN102714642B true CN102714642B (zh) | 2016-08-03 |
Family
ID=44226091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980162864.0A Active CN102714642B (zh) | 2009-12-29 | 2009-12-29 | 用于信道估计的方法和装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8934330B2 (zh) |
EP (1) | EP2520057A4 (zh) |
JP (1) | JP5553907B2 (zh) |
KR (1) | KR101655950B1 (zh) |
CN (1) | CN102714642B (zh) |
WO (1) | WO2011079411A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2803408C (en) * | 2010-06-24 | 2019-05-14 | Cohda Wireless Pty Ltd | Estimation of a multipath signal in a wireless communication system |
WO2014007030A1 (en) * | 2012-07-05 | 2014-01-09 | Sharp Kabushiki Kaisha | Transmitting device, receiving device, communication system and interpolation method |
CN104854801B (zh) * | 2012-10-22 | 2018-09-14 | Lg电子株式会社 | 配置用户设备的无线帧的方法、用户设备、配置基站的无线帧的方法和基站 |
US9832623B2 (en) * | 2012-12-05 | 2017-11-28 | T-Mobile Usa, Inc. | Energy-efficient push/poll notification service |
CN103051571B (zh) * | 2012-12-19 | 2016-05-18 | 同济大学 | 用于td-lte系统的多普勒频偏估计方法 |
GB2513677B (en) * | 2013-10-17 | 2015-09-02 | Imagination Tech Ltd | Channel impulse response |
CN106464346B (zh) * | 2014-06-23 | 2019-04-19 | 上海诺基亚贝尔股份有限公司 | 在无线宽带系统中用于多用户信道估计的方法 |
US9948415B2 (en) * | 2015-03-27 | 2018-04-17 | Intel IP Corporation | Method of processing a plurality of signals and signal processing device |
CN106411793B (zh) * | 2015-07-31 | 2019-06-07 | 展讯通信(上海)有限公司 | Dmrs信道参数估计方法、装置及用户终端 |
US10484207B2 (en) * | 2015-11-13 | 2019-11-19 | Samsung Electronics Co., Ltd. | Method and apparatus for channel estimation in wireless communication system |
CN106154222B (zh) * | 2016-06-20 | 2018-06-12 | 北京大学 | 一种利用无线电射频信号检测人的行走方向的方法 |
WO2021221188A1 (ko) * | 2020-04-28 | 2021-11-04 | 엘지전자 주식회사 | 신호 처리 장치 및 이를 구비하는 영상표시장치 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003087153A (ja) * | 2001-09-06 | 2003-03-20 | Toshiba Corp | 直接スペクトル拡散通信のパスサーチ方法及び回路 |
CA2428576C (en) * | 2002-05-16 | 2008-10-07 | Ntt Docomo, Inc. | Transmitter for multi-carrier transmission and multi-carrier transmitting method |
JP3847733B2 (ja) * | 2003-06-12 | 2006-11-22 | 松下電器産業株式会社 | マルチキャリア通信方法及びその通信装置 |
JP3952203B2 (ja) * | 2003-10-27 | 2007-08-01 | カシオ計算機株式会社 | Ofdm復調装置、ofdm復調用集積回路、及びofdm復調方法 |
US7630465B2 (en) | 2004-11-23 | 2009-12-08 | Harris Corporation | Wireless communications device providing time and frequency-domain channel estimates interpolation and related methods |
JP4626428B2 (ja) * | 2005-07-19 | 2011-02-09 | ソニー株式会社 | Ofdm復調装置及び方法 |
US20070076804A1 (en) * | 2005-09-30 | 2007-04-05 | Texas Instruments Inc. | Image-rejecting channel estimator, method of image-rejection channel estimating and an OFDM receiver employing the same |
US7636398B2 (en) | 2005-12-05 | 2009-12-22 | Samsung Electronics Co., Ltd. | Adaptive channel equalizer and method for equalizing channels therewith |
KR101218495B1 (ko) * | 2006-02-21 | 2013-01-18 | 삼성전자주식회사 | 직교 주파수 분할 다중화/시분할 듀플렉스 방식의 이동통신시스템에서 상향링크 사전등화를 위한 하향링크 채널변화에 따른 적응채널 예측 장치 및 방법 |
US7602853B2 (en) | 2006-04-17 | 2009-10-13 | Mediatek Inc. | Method and apparatus for channel estimation |
KR100913870B1 (ko) | 2006-11-17 | 2009-08-26 | 삼성전자주식회사 | 직교 주파수 분할 시스템에서의 채널 추정 방법 및 장치 |
JP2008167116A (ja) * | 2006-12-28 | 2008-07-17 | Sony Corp | 受信装置および方法、並びにプログラム |
EP3672180A1 (en) * | 2007-01-29 | 2020-06-24 | III Holdings 6, LLC | Channel estimation of multi-carrier signal with selection of time or frequency domain interpolation according to frequency offset of continuous pilot |
JP2008227622A (ja) * | 2007-03-08 | 2008-09-25 | Sanyo Electric Co Ltd | 受信装置及び通信方法 |
JP5076239B2 (ja) * | 2008-02-05 | 2012-11-21 | 株式会社メガチップス | Ofdm受信装置 |
US8374285B2 (en) * | 2008-05-05 | 2013-02-12 | Texas Instruments Incorporated | System and method for time domain interpolation of signals for channel estimation |
US20090280747A1 (en) * | 2008-05-07 | 2009-11-12 | Motorola, Inc. | Method and Apparatus for Interference Cancellation in a Wireless Communication System |
US7970070B2 (en) * | 2008-05-14 | 2011-06-28 | Newport Media, Inc. | Adaptive frequency domain equalization in OFDM based communication system |
-
2009
- 2009-12-29 EP EP09852696.5A patent/EP2520057A4/en not_active Withdrawn
- 2009-12-29 CN CN200980162864.0A patent/CN102714642B/zh active Active
- 2009-12-29 US US13/519,577 patent/US8934330B2/en active Active
- 2009-12-29 WO PCT/CN2009/001574 patent/WO2011079411A1/en active Application Filing
- 2009-12-29 JP JP2012546299A patent/JP5553907B2/ja active Active
- 2009-12-29 KR KR1020127016880A patent/KR101655950B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP5553907B2 (ja) | 2014-07-23 |
JP2013516118A (ja) | 2013-05-09 |
US8934330B2 (en) | 2015-01-13 |
EP2520057A4 (en) | 2017-03-15 |
WO2011079411A1 (en) | 2011-07-07 |
CN102714642A (zh) | 2012-10-03 |
KR20120109534A (ko) | 2012-10-08 |
KR101655950B1 (ko) | 2016-09-08 |
EP2520057A1 (en) | 2012-11-07 |
US20120287803A1 (en) | 2012-11-15 |
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PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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Effective date of registration: 20190131 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190131 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING |