CN101212433A - 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
- CN101212433A CN101212433A CNA2007103041592A CN200710304159A CN101212433A CN 101212433 A CN101212433 A CN 101212433A CN A2007103041592 A CNA2007103041592 A CN A2007103041592A CN 200710304159 A CN200710304159 A CN 200710304159A CN 101212433 A CN101212433 A CN 101212433A
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 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
- 101150073133 Cpt1a gene Proteins 0.000 description 3
- 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
连续导频的位置 | 0,22,78,92,168,174,244,274,278,344,382,424,426,496,500,564,608,650,688,712,740,772,846,848,932,942,950,980,1012,1066,1126,1158,1214,1244,1276,1280,1326,1378,1408,1508,1537,1538,1566,1666,1736,1748,1794,1798,1830,1860,1916,1948,2008,2062,2094,2124,2132,2142,2226,2228,2302,2334,2362,2386,2424,2466,2510,2574,2578,2648,2650,2692,2730,2796,2800,2830,2900,2906,2982,2996,3052,3075 |
Claims (11)
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 true CN101212433A (zh) | 2008-07-02 |
CN101212433B 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) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101778067A (zh) * | 2009-12-31 | 2010-07-14 | 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 |
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 |
CN102292951A (zh) * | 2008-11-20 | 2011-12-21 | 先进微装置公司 | 基于多载波调变式接收器的同步化 |
WO2012093333A1 (en) * | 2011-01-07 | 2012-07-12 | Alcatel Lucent | Method of channel estimation, method of selecting pilot information, user equipment, and base station |
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 |
CN106161325A (zh) * | 2015-05-17 | 2016-11-23 | 想象技术有限公司 | 选择性子载波处理 |
WO2017076326A1 (zh) * | 2015-11-06 | 2017-05-11 | 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 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1150710C (zh) * | 2001-04-29 | 2004-05-19 | 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 |
JP4856171B2 (ja) * | 2005-04-21 | 2012-01-18 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | Ofdmシステムにおける複雑度を低減したチャネル推定 |
-
2007
- 2007-12-25 CN CN2007103041592A patent/CN101212433B/zh not_active Expired - Fee Related
Cited By (10)
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 |
CN102292951A (zh) * | 2008-11-20 | 2011-12-21 | 先进微装置公司 | 基于多载波调变式接收器的同步化 |
CN102292951B (zh) * | 2008-11-20 | 2016-01-13 | 先进微装置公司 | 基于多载波调变式接收器的同步化 |
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 |
CN101778067A (zh) * | 2009-12-31 | 2010-07-14 | 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 |
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 |
WO2012093333A1 (en) * | 2011-01-07 | 2012-07-12 | Alcatel Lucent | Method of channel estimation, method of selecting pilot information, user equipment, and base station |
CN106161325A (zh) * | 2015-05-17 | 2016-11-23 | 想象技术有限公司 | 选择性子载波处理 |
CN106161325B (zh) * | 2015-05-17 | 2021-04-16 | 北欧半导体公司 | 用于选择性子载波处理的方法和设备 |
WO2017076326A1 (zh) * | 2015-11-06 | 2017-05-11 | 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 |
Also Published As
Publication number | Publication date |
---|---|
CN101212433B (zh) | 2011-12-28 |
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 | |
CN101023611B (zh) | 用于在正交频分复用系统中频率同步的设备和方法 | |
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 | |
US8229014B2 (en) | Fast fourier transform processing in an OFDM system | |
CN101753498B (zh) | 正交频分复用信道估计结果的滤波方法与装置 | |
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 | |
CN107710709B (zh) | 用于降低峰均功率比papr的发送设备 | |
EP2238798B1 (en) | System and method for burst separation and extended interleaving length | |
JPH10210000A (ja) | Ofdm方式のデジタル通信システムにおけるフレーム同期方法及び装置 | |
CN100501994C (zh) | 无线发送装置、无线接收装置、无线发送方法以及无线接收方法 | |
CN102014097B (zh) | 一种接收终端、以及快速频偏估计的装置和方法 | |
CN1659841A (zh) | 简化复杂度的载波干扰抵消 | |
CN101904142A (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 | |
KR100801290B1 (ko) | 직교 주파수 분할 다중 접속 통신시스템의 복조장치 및 그방법 | |
KR101324122B1 (ko) | 다중 반송파 신호를 수신하기 위한 방법, 대응하는 송신 방법, 수신기 및 송신기 | |
US20090231992A1 (en) | Method for designing operation schedules of fft and mimo-ofdm modem thereof | |
KR100842069B1 (ko) | 주파수영역에 부가적인 파일럿신호를 가지는 cofdm방식의 송신시스템 및 그에 따른 신호처리방법 | |
KR20040035288A (ko) | 수신성능을 향상시키는 다중 반송파 송신 시스템 및 그의신호처리방법 | |
CN1612515A (zh) | 使用分集的ofdm接收装置、ofdm接收电路以及ofdm接收方法 | |
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 | |
KR100862350B1 (ko) | Drm 수신을 위한 가변 포인트 프라임 팩터 fft 방법 |
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 |
Granted publication date: 20111228 Termination date: 20171225 |
|
CF01 | Termination of patent right due to non-payment of annual fee |