CN101437010B - 一种正交频分复用系统信道估计方法和装置 - Google Patents
一种正交频分复用系统信道估计方法和装置 Download PDFInfo
- Publication number
- CN101437010B CN101437010B CN200810178972A CN200810178972A CN101437010B CN 101437010 B CN101437010 B CN 101437010B CN 200810178972 A CN200810178972 A CN 200810178972A CN 200810178972 A CN200810178972 A CN 200810178972A CN 101437010 B CN101437010 B CN 101437010B
- Authority
- CN
- China
- Prior art keywords
- channel
- pilot
- length
- windowing
- frequency range
- 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.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (6)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200810178972A CN101437010B (zh) | 2008-12-03 | 2008-12-03 | 一种正交频分复用系统信道估计方法和装置 |
PCT/CN2009/075006 WO2010063214A1 (zh) | 2008-12-03 | 2009-11-18 | 一种正交频分复用系统信道估计方法和接收装置 |
EP09829998.5A EP2365670B1 (en) | 2008-12-03 | 2009-11-18 | Channel estimation method and corresponding receiving apparatus of orthogonal frequency division multiplexing (ofdm) system |
US13/151,998 US8335270B2 (en) | 2008-12-03 | 2011-06-02 | Channel estimation method of an orthogonal frequency division multiplexing system and receiving apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200810178972A CN101437010B (zh) | 2008-12-03 | 2008-12-03 | 一种正交频分复用系统信道估计方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101437010A CN101437010A (zh) | 2009-05-20 |
CN101437010B true CN101437010B (zh) | 2012-10-03 |
Family
ID=40711239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200810178972A Active CN101437010B (zh) | 2008-12-03 | 2008-12-03 | 一种正交频分复用系统信道估计方法和装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8335270B2 (zh) |
EP (1) | EP2365670B1 (zh) |
CN (1) | CN101437010B (zh) |
WO (1) | WO2010063214A1 (zh) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101437010B (zh) | 2008-12-03 | 2012-10-03 | 华为终端有限公司 | 一种正交频分复用系统信道估计方法和装置 |
CN101997807B (zh) * | 2009-08-31 | 2013-07-10 | 电信科学技术研究院 | 一种信道估计方法及装置 |
CN102238110B (zh) * | 2010-04-23 | 2014-07-16 | 中兴通讯股份有限公司 | 多用户信道估计方法及装置 |
CN102045290B (zh) * | 2010-04-30 | 2013-03-20 | 西安电子科技大学 | 基于灰建模的ofdm窄带慢衰落慢时变信道估计方法 |
CN101895503B (zh) * | 2010-07-26 | 2014-04-30 | 中兴通讯股份有限公司 | 一种用于lte基站侧的信号处理方法及装置 |
CN102480441B (zh) * | 2010-11-30 | 2014-07-09 | 澜起科技(上海)有限公司 | 信道估计方法及系统 |
CN102487371B (zh) * | 2010-12-02 | 2014-03-19 | 无锡物联网产业研究院 | 一种带宽调整方法、发射机和接收机 |
CN102291359B (zh) * | 2011-09-06 | 2014-08-06 | 复旦大学 | 采用时域加窗技术提高接收光ofdm信号质量的产生发送装置 |
US9967112B2 (en) * | 2012-05-03 | 2018-05-08 | Apple Inc. | Apparatus and methods for adaptively resuming radio channel estimation |
CN102882813B (zh) * | 2012-08-17 | 2015-04-15 | 东南大学 | 一种应用于正交频分复用系统的信道估计方法 |
CN103856419B (zh) * | 2012-12-05 | 2017-06-06 | 上海贝尔股份有限公司 | 对至eNB的上行信道进行信道估计的方法与设备 |
TWI504175B (zh) * | 2013-09-24 | 2015-10-11 | Realtek Semiconductor Corp | 無線通訊發送器之傳輸頻譜的等化方法 |
WO2016159502A1 (ko) * | 2015-04-02 | 2016-10-06 | 엘지전자 주식회사 | Fcp-ofdm 방식을 이용한 인-밴드(in-band) 다중화를 처리하기 위한 방법 및 이를 위한 장치 |
US9564932B1 (en) | 2015-07-16 | 2017-02-07 | LGS Innovations LLC | Software defined radio front end |
US10181923B2 (en) * | 2015-10-30 | 2019-01-15 | Motorola Mobility Llc | Apparatus and method for generating and using a pilot signal |
CN106878221B (zh) * | 2015-12-14 | 2021-08-06 | 中兴通讯股份有限公司 | 一种多载波信号的生成方法和装置 |
CN106375050B (zh) * | 2016-09-16 | 2020-01-31 | 天津大学 | 时域被覆线模拟器实现方法及装置 |
CN110445559B (zh) * | 2018-05-04 | 2022-04-05 | 上海数字电视国家工程研究中心有限公司 | 一种信道检测实时开窗装置和开窗方法 |
GB201810548D0 (en) | 2018-06-27 | 2018-08-15 | Nordic Semiconductor Asa | OFDM channel estimation |
GB201810547D0 (en) | 2018-06-27 | 2018-08-15 | Nordic Semiconductor Asa | OFDM channel estimation |
CN112398764B (zh) * | 2020-11-05 | 2021-06-29 | 上海擎昆信息科技有限公司 | 一种联合dmrs和ptrs的频偏估计方法及系统 |
CN114006795B (zh) * | 2021-11-01 | 2023-05-09 | 北京中科晶上科技股份有限公司 | 5g信道估计数据线性插值确定方法及装置 |
CN117880021B (zh) * | 2024-03-12 | 2024-05-17 | 为准(北京)电子科技有限公司 | Ofdm信号的直流估计方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1056250A2 (en) * | 1999-05-25 | 2000-11-29 | Samsung Electronics Co., Ltd. | Reduction of peak to average power ratio and of equaliser complexity in multicarrier transmission systems |
CN101027882A (zh) * | 2004-09-24 | 2007-08-29 | 高通股份有限公司 | 用于采用不同传输协议的系统中的通信的方法和设备 |
CN101267422A (zh) * | 2008-03-10 | 2008-09-17 | 电子科技大学 | 一种正交频分复用系统的频域信道估计方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7248841B2 (en) * | 2000-06-13 | 2007-07-24 | Agee Brian G | Method and apparatus for optimization of wireless multipoint electromagnetic communication networks |
JP4529281B2 (ja) * | 2000-12-08 | 2010-08-25 | ソニー株式会社 | 送信装置、受信装置、および通信システム |
US7738437B2 (en) * | 2003-01-21 | 2010-06-15 | Nortel Networks Limited | Physical layer structures and initial access schemes in an unsynchronized communication network |
KR100922948B1 (ko) * | 2004-03-11 | 2009-10-22 | 삼성전자주식회사 | 상향링크 직교주파수분할다중접속 시스템을 위한 파일럿설계 방법 |
US7457231B2 (en) * | 2004-05-04 | 2008-11-25 | Qualcomm Incorporated | Staggered pilot transmission for channel estimation and time tracking |
US7286072B2 (en) * | 2005-02-15 | 2007-10-23 | Sanyo Electric Co., Ltd. | Analog-to digital converter and analog-to digital conversion apparatus |
JP2006246129A (ja) * | 2005-03-04 | 2006-09-14 | Fujitsu Ltd | 伝送システム、送信装置及び受信装置 |
US7473499B2 (en) * | 2005-05-19 | 2009-01-06 | Searete Llc | Electroactive polymers for lithography |
US20070217441A1 (en) * | 2006-03-20 | 2007-09-20 | Sriram Mudulodu | Method and system for estimating co-channel interference in a frame of a block transmission system |
JP4904929B2 (ja) * | 2006-05-31 | 2012-03-28 | 富士通セミコンダクター株式会社 | Ofdm受信機、妨害波判別方法、窓制御装置、及び窓制御方法 |
US7889799B2 (en) * | 2006-08-02 | 2011-02-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for OFDM channel estimation |
JP4961918B2 (ja) * | 2006-09-12 | 2012-06-27 | ソニー株式会社 | Ofdm受信装置及びofdm受信方法 |
US7995688B2 (en) * | 2007-03-08 | 2011-08-09 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry, Through The Communications Research Centre Canada | Channel estimation and ICI cancellation for OFDM |
US8703073B2 (en) * | 2008-03-06 | 2014-04-22 | The Johns Hopkins University | Reconfigurable lithographic structures |
CN101437010B (zh) * | 2008-12-03 | 2012-10-03 | 华为终端有限公司 | 一种正交频分复用系统信道估计方法和装置 |
-
2008
- 2008-12-03 CN CN200810178972A patent/CN101437010B/zh active Active
-
2009
- 2009-11-18 EP EP09829998.5A patent/EP2365670B1/en active Active
- 2009-11-18 WO PCT/CN2009/075006 patent/WO2010063214A1/zh active Application Filing
-
2011
- 2011-06-02 US US13/151,998 patent/US8335270B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1056250A2 (en) * | 1999-05-25 | 2000-11-29 | Samsung Electronics Co., Ltd. | Reduction of peak to average power ratio and of equaliser complexity in multicarrier transmission systems |
CN101027882A (zh) * | 2004-09-24 | 2007-08-29 | 高通股份有限公司 | 用于采用不同传输协议的系统中的通信的方法和设备 |
CN101267422A (zh) * | 2008-03-10 | 2008-09-17 | 电子科技大学 | 一种正交频分复用系统的频域信道估计方法 |
Also Published As
Publication number | Publication date |
---|---|
US8335270B2 (en) | 2012-12-18 |
EP2365670A4 (en) | 2012-01-18 |
EP2365670B1 (en) | 2014-01-22 |
WO2010063214A1 (zh) | 2010-06-10 |
US20110228868A1 (en) | 2011-09-22 |
CN101437010A (zh) | 2009-05-20 |
EP2365670A1 (en) | 2011-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101437010B (zh) | 一种正交频分复用系统信道估计方法和装置 | |
US8064507B1 (en) | System and method for channel estimation | |
EP1762019B1 (en) | Method and apparatus for accessing a wireless communication system | |
US7782806B2 (en) | Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot | |
US8149905B1 (en) | System and method for doppler frequency estimation | |
CN103873397B (zh) | 一种新的联合时域和频域正交频分复用接收信道估计方法 | |
CN101371546B (zh) | 在无线通信系统中估计上行链路信号的信道的方法和装置 | |
CN101815042B (zh) | 一种正交频分复用系统信道估计方法和装置 | |
JP5084092B2 (ja) | パイロットを分散させ該パイロットに影響を及ぼす干渉を抑えるように設計されたマルチキャリア信号 | |
CN102111369B (zh) | 次载波间干扰消除装置及方法 | |
US9954713B2 (en) | Minimizing inter-symbol interference in OFDM signals | |
CA2600767A1 (en) | Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated tdm pilot | |
CN101378371A (zh) | 在宽带无线移动通信系统中信道估计的方法及信道估计器 | |
KR20110088583A (ko) | 다중 캐리어 변조 기반의 수신기에서의 동기화 | |
CN101567870B (zh) | 信道响应起始位置、峰值位置和结束位置检测方法及装置 | |
CN103051571B (zh) | 用于td-lte系统的多普勒频偏估计方法 | |
CN102055704A (zh) | 一种正交频分复用系统中进行噪声估计的方法及装置 | |
CN101741778B (zh) | 一种数据子载波上的信道估计方法 | |
WO2008096322A9 (en) | Method of synchronizing multi-carrier systems and multi-carrier system | |
Hu et al. | Preamble design with ICI cancellation for channel estimation in OFDM/OQAM system | |
EP2667561B1 (en) | A noise power estimation method | |
Ishibashi et al. | FFT-based frequency domain filter design for multichannel overlap-windowed-DFTs-OFDM signals | |
KR100992369B1 (ko) | Ofdm 시스템의 채널 추정 장치 | |
Shi et al. | Block-type pilot channel estimation for OFDM systems under frequency selective fading channels | |
KR101284393B1 (ko) | 직교 주파수 분할 다중 변조 방식 통신 시스템의 순환 지연 다이버시티 기법을 이용하는 송신기 및 잔여 주파수 오차를 추정하는 수신기 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
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 | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI DEVICE Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181219 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210422 Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040 Patentee after: Honor Device Co.,Ltd. Address before: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee before: HUAWEI DEVICE Co.,Ltd. |