CN101212433B - 一种信道估计方法及信道估计装置 - Google Patents
一种信道估计方法及信道估计装置 Download PDFInfo
- Publication number
- CN101212433B CN101212433B CN2007103041592A CN200710304159A CN101212433B CN 101212433 B CN101212433 B CN 101212433B CN 2007103041592 A CN2007103041592 A CN 2007103041592A CN 200710304159 A CN200710304159 A CN 200710304159A CN 101212433 B CN101212433 B CN 101212433B
- Authority
- CN
- China
- Prior art keywords
- ofdm symbol
- pilot
- module
- continuous pilot
- channel estimation
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000000605 extraction Methods 0.000 claims description 40
- 238000004364 calculation method Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 abstract description 12
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000004590 computer program Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000205 computational method Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007103041592A CN101212433B (zh) | 2007-12-25 | 2007-12-25 | 一种信道估计方法及信道估计装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007103041592A CN101212433B (zh) | 2007-12-25 | 2007-12-25 | 一种信道估计方法及信道估计装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101212433A CN101212433A (zh) | 2008-07-02 |
CN101212433B true CN101212433B (zh) | 2011-12-28 |
Family
ID=39612113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007103041592A Expired - Fee Related CN101212433B (zh) | 2007-12-25 | 2007-12-25 | 一种信道估计方法及信道估计装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101212433B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101409694B (zh) * | 2008-11-06 | 2012-11-28 | 北京韦加航通科技有限责任公司 | 一种单载波频域均衡实现方法及系统 |
US20100124292A1 (en) * | 2008-11-20 | 2010-05-20 | Advanced Micro Devices, Inc. | Method and System for Receiver Synchronization |
CN101562597B (zh) * | 2009-05-20 | 2011-11-30 | 中兴通讯股份有限公司 | 一种手机电视终端采样时钟偏差估计与补偿的装置与方法 |
CN101778067B (zh) * | 2009-12-31 | 2013-05-15 | 北京交通大学 | 基于物理层前导和导频的信道均衡方法及系统 |
CN102594739B (zh) * | 2011-01-07 | 2017-03-15 | 上海贝尔股份有限公司 | 信道估计方法、导频信息选择方法、用户设备和基站 |
US9806871B2 (en) * | 2015-05-17 | 2017-10-31 | Imagination Technologies | Selective sub-carrier processing |
CN106685612A (zh) * | 2015-11-06 | 2017-05-17 | 中兴通讯股份有限公司 | 多载波系统中导频信号的传输方法和装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1312625A (zh) * | 2001-04-29 | 2001-09-12 | 信息产业部电信传输研究所 | 一种动态调整平均长度以进行信道估计的方法和装置 |
WO2004034663A1 (en) * | 2002-10-08 | 2004-04-22 | Telefonaktiebolaget Lm Ericsson | Channel estimation for ofdm systems |
WO2006111276A1 (en) * | 2005-04-21 | 2006-10-26 | Telefonaktiebolaget L M Ericsson (Publ) | Reduced complexity channel estimation in ofdm systems |
-
2007
- 2007-12-25 CN CN2007103041592A patent/CN101212433B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1312625A (zh) * | 2001-04-29 | 2001-09-12 | 信息产业部电信传输研究所 | 一种动态调整平均长度以进行信道估计的方法和装置 |
WO2004034663A1 (en) * | 2002-10-08 | 2004-04-22 | Telefonaktiebolaget Lm Ericsson | Channel estimation for ofdm systems |
WO2006111276A1 (en) * | 2005-04-21 | 2006-10-26 | Telefonaktiebolaget L M Ericsson (Publ) | Reduced complexity channel estimation in ofdm systems |
Also Published As
Publication number | Publication date |
---|---|
CN101212433A (zh) | 2008-07-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101212433B (zh) | 一种信道估计方法及信道估计装置 | |
US8266196B2 (en) | Fast Fourier transform twiddle multiplication | |
US8229014B2 (en) | Fast fourier transform processing in an OFDM system | |
CN100556017C (zh) | 在多入多出正交频分复用系统中为同步而发射前导的方法 | |
CN101909181B (zh) | 数字视频信号解调装置及其方法 | |
EP2359558B1 (en) | Method and system for receiver synchronization | |
CN103297371A (zh) | 单载波传输系统、通信装置和用于其中的单载波传输方法 | |
CN101023611A (zh) | 用于在正交频分复用系统中频率同步的设备和方法 | |
CN101553808A (zh) | 流水线fft架构和方法 | |
EP2238798A1 (en) | System and method for burst separation and extended interleaving length | |
CN101300572A (zh) | 快速傅里叶变换旋转乘法 | |
CN102014097B (zh) | 一种接收终端、以及快速频偏估计的装置和方法 | |
CN101904142B (zh) | 供多载波接收机使用的自适应频率插值器 | |
CN102832981B (zh) | 一种确定时间同步位置的方法及设备 | |
US20090231992A1 (en) | Method for designing operation schedules of fft and mimo-ofdm modem thereof | |
CN101346960A (zh) | 接收多载波信号的方法、相应传输方法、接收机和发射机 | |
CN101039305B (zh) | 一种基于均衡技术的接收机和接收方法 | |
CN101860508B (zh) | 一种fft变换的复用装置及方法 | |
CN1612515A (zh) | 使用分集的ofdm接收装置、ofdm接收电路以及ofdm接收方法 | |
CN111371720B (zh) | 一种基于fpga的正交频分复用接收机优化方法 | |
CN112398772B (zh) | Ofdm系统接收解调方法以及ofdm系统接收机 | |
CN101184079B (zh) | 一种频域载波信道估计方法及装置 | |
CN103188192A (zh) | 应用于视频传感器的基带处理装置 | |
KR100862350B1 (ko) | Drm 수신을 위한 가변 포인트 프라임 팩터 fft 방법 | |
CN101729477A (zh) | 多载波无线传输系统中发射信号的方法 |
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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Channel estimating method and device Effective date of registration: 20130205 Granted publication date: 20111228 Pledgee: China Development Bank Co Pledgor: Beijing InnoFidei Technology Co. Ltd.|Beijing smartwell xunlian Polytron Technologies Inc|Anhui smartwell Communication Technology Co. Ltd. Registration number: 2013990000087 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140416 Granted publication date: 20111228 Pledgee: China Development Bank Co Pledgor: Beijing InnoFidei Technology Co. Ltd.|Beijing smartwell xunlian Polytron Technologies Inc|Anhui smartwell Communication Technology Co. Ltd. Registration number: 2013990000087 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151008 Address after: 100080, Beijing, Zhongguancun Haidian District Street 11, 100 million world wealth center, block A, 12 Patentee after: BEIJING BOXIN SHITONG TECHNOLOGY CO., LTD. Address before: 100084 No. 8, building 1, No. 2303, Zhongguancun East Road, Beijing, Haidian District Patentee before: Beijing Chuangyi Vision Technology Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20171225 |