CN101778063A - 信道估计方法及其装置 - Google Patents
信道估计方法及其装置 Download PDFInfo
- Publication number
- CN101778063A CN101778063A CN 201010128409 CN201010128409A CN101778063A CN 101778063 A CN101778063 A CN 101778063A CN 201010128409 CN201010128409 CN 201010128409 CN 201010128409 A CN201010128409 A CN 201010128409A CN 101778063 A CN101778063 A CN 101778063A
- Authority
- CN
- China
- Prior art keywords
- channel
- data
- dft
- module
- 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 59
- 238000012549 training Methods 0.000 claims abstract description 45
- 230000004044 response Effects 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims description 48
- 230000008569 process Effects 0.000 claims description 20
- 238000010295 mobile communication Methods 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 3
- 238000012804 iterative process Methods 0.000 abstract 2
- 230000009466 transformation Effects 0.000 description 7
- 238000012795 verification Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- URWAJWIAIPFPJE-YFMIWBNJSA-N sisomycin Chemical compound O1C[C@@](O)(C)[C@H](NC)[C@@H](O)[C@H]1O[C@@H]1[C@@H](O)[C@H](O[C@@H]2[C@@H](CC=C(CN)O2)N)[C@@H](N)C[C@H]1N URWAJWIAIPFPJE-YFMIWBNJSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Landscapes
- Error Detection And Correction (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010128409 CN101778063B (zh) | 2010-03-18 | 2010-03-18 | 信道估计方法及其装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010128409 CN101778063B (zh) | 2010-03-18 | 2010-03-18 | 信道估计方法及其装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101778063A true CN101778063A (zh) | 2010-07-14 |
CN101778063B CN101778063B (zh) | 2013-03-27 |
Family
ID=42514394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201010128409 Active CN101778063B (zh) | 2010-03-18 | 2010-03-18 | 信道估计方法及其装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101778063B (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101815053A (zh) * | 2010-03-18 | 2010-08-25 | 展讯通信(上海)有限公司 | 信道估计方法及其装置 |
CN103270711A (zh) * | 2010-12-27 | 2013-08-28 | 日本电气株式会社 | 接收装置、接收方法以及计算机程序 |
CN103812806A (zh) * | 2014-02-24 | 2014-05-21 | 北京大学 | 一种基于时域信道估计的信道均衡方法和系统 |
CN105337918A (zh) * | 2014-08-07 | 2016-02-17 | 展讯通信(上海)有限公司 | 对数似然比的获取方法及装置 |
CN104869083B (zh) * | 2014-02-25 | 2018-05-01 | 电信科学技术研究院 | 一种信道估计方法及装置 |
CN109076045A (zh) * | 2016-05-04 | 2018-12-21 | 华为技术有限公司 | 数据处理方法及装置 |
CN109150783A (zh) * | 2017-06-28 | 2019-01-04 | 大唐移动通信设备有限公司 | 一种信道估计方法及装置 |
CN110535794A (zh) * | 2018-12-29 | 2019-12-03 | 中兴通讯股份有限公司 | 导频传输方法、信道估计方法、设备及存储介质 |
CN114401170A (zh) * | 2021-12-29 | 2022-04-26 | 福州大学 | 一种ofdm系统的信道估计和均衡方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1437338A (zh) * | 2003-03-08 | 2003-08-20 | 华中科技大学 | 正交频分复用通信系统中的信道估计方法 |
CN101083644A (zh) * | 2006-06-01 | 2007-12-05 | 大唐移动通信设备有限公司 | 一种正交频分复用系统的信道估计方法 |
US20090022217A1 (en) * | 2006-02-01 | 2009-01-22 | Masayuki Kimata | Equalizer and equalization method |
CN101645858A (zh) * | 2008-08-06 | 2010-02-10 | 大唐移动通信设备有限公司 | 信道估计的优化方法及装置 |
CN101815053A (zh) * | 2010-03-18 | 2010-08-25 | 展讯通信(上海)有限公司 | 信道估计方法及其装置 |
-
2010
- 2010-03-18 CN CN 201010128409 patent/CN101778063B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1437338A (zh) * | 2003-03-08 | 2003-08-20 | 华中科技大学 | 正交频分复用通信系统中的信道估计方法 |
US20090022217A1 (en) * | 2006-02-01 | 2009-01-22 | Masayuki Kimata | Equalizer and equalization method |
CN101083644A (zh) * | 2006-06-01 | 2007-12-05 | 大唐移动通信设备有限公司 | 一种正交频分复用系统的信道估计方法 |
CN101645858A (zh) * | 2008-08-06 | 2010-02-10 | 大唐移动通信设备有限公司 | 信道估计的优化方法及装置 |
CN101815053A (zh) * | 2010-03-18 | 2010-08-25 | 展讯通信(上海)有限公司 | 信道估计方法及其装置 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101815053A (zh) * | 2010-03-18 | 2010-08-25 | 展讯通信(上海)有限公司 | 信道估计方法及其装置 |
CN103270711A (zh) * | 2010-12-27 | 2013-08-28 | 日本电气株式会社 | 接收装置、接收方法以及计算机程序 |
CN103812806A (zh) * | 2014-02-24 | 2014-05-21 | 北京大学 | 一种基于时域信道估计的信道均衡方法和系统 |
CN104869083B (zh) * | 2014-02-25 | 2018-05-01 | 电信科学技术研究院 | 一种信道估计方法及装置 |
CN105337918A (zh) * | 2014-08-07 | 2016-02-17 | 展讯通信(上海)有限公司 | 对数似然比的获取方法及装置 |
CN105337918B (zh) * | 2014-08-07 | 2019-03-19 | 展讯通信(上海)有限公司 | 对数似然比的获取方法及装置 |
CN109076045A (zh) * | 2016-05-04 | 2018-12-21 | 华为技术有限公司 | 数据处理方法及装置 |
US10805132B2 (en) | 2016-05-04 | 2020-10-13 | Huawei Technologies Co., Ltd. | Data processing method and apparatus |
CN109150783A (zh) * | 2017-06-28 | 2019-01-04 | 大唐移动通信设备有限公司 | 一种信道估计方法及装置 |
CN110535794A (zh) * | 2018-12-29 | 2019-12-03 | 中兴通讯股份有限公司 | 导频传输方法、信道估计方法、设备及存储介质 |
CN114401170A (zh) * | 2021-12-29 | 2022-04-26 | 福州大学 | 一种ofdm系统的信道估计和均衡方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101778063B (zh) | 2013-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101778063A (zh) | 信道估计方法及其装置 | |
JP4768742B2 (ja) | 通信システムに適用される装置及び方法 | |
CN102104574B (zh) | 一种ofdm-tdcs信号收发方法、装置及系统 | |
CN106549888B (zh) | 一种基于gamp的联合双选信道估计与ftns检测方法 | |
CN109246039B (zh) | 一种基于双向时域均衡的软信息迭代接收方法 | |
US20160315791A1 (en) | Methods and devices for channel estimation and ofdm receiver | |
CN105099968A (zh) | 一种多径信道中的超奈奎斯特速率通信系统 | |
JP4272665B2 (ja) | Ofdm伝送システムのチャネルを推定する装置、方法、及びコンピュータプログラム | |
CN110311872A (zh) | 一种水声稀疏信道估计方法、系统、设备及存储介质 | |
CN101026434A (zh) | 一种低复杂度的迭代检测译码方法及装置 | |
CN102624652A (zh) | Ldpc解码方法和装置及接收终端 | |
US20220368569A1 (en) | Method of receiving a transmitted signal over a time-varying channel and receiver thereof | |
CN101815053A (zh) | 信道估计方法及其装置 | |
CN106302298A (zh) | 一种消除正交频分复用水声通信系统限幅噪声的方法 | |
CN102752244A (zh) | 一种无循环前缀的单载波频域均衡方法 | |
CN102664841A (zh) | Sc-fde系统低复杂度rls自适应信道估计的方法 | |
CN101997807A (zh) | 一种信道估计方法及装置 | |
CN105337906A (zh) | 信道估计方法及装置 | |
CN103326976A (zh) | 基于加权分数傅立叶变换的双弥散信道下的迭代频域最小均方误差均衡方法 | |
CN105656816A (zh) | 梳状导频ofdm系统信道估计方法 | |
CN102790746A (zh) | Ofdm系统的信道估计方法 | |
CN103501182B (zh) | 一种卷积码生成多项式的盲估计方法 | |
CN105162737A (zh) | 用于软件无线电系统的低复杂度自适应单载波频域均衡方法及装置 | |
CN100358324C (zh) | 用于突发通信的数据均衡方法 | |
Yang et al. | An improved hybrid turbo equalizer for single carrier transmission with impulsive noise and isi |
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 | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170210 Address after: Room 32, building 3205F, No. 707, Zhang Yang Road, free trade zone,, China (Shanghai) Patentee after: Xin Xin Finance Leasing Co.,Ltd. Address before: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170712 Address after: 100033 room 2062, Wenstin Executive Apartment, 9 Financial Street, Beijing, Xicheng District Patentee after: Xin Xin finance leasing (Beijing) Co.,Ltd. Address before: Room 32, building 707, Zhang Yang Road, China (Shanghai) free trade zone, 3205F Patentee before: Xin Xin Finance Leasing Co.,Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100714 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xin Xin finance leasing (Beijing) Co.,Ltd. Contract record no.: 2018990000163 Denomination of invention: A serial interference eliminated multiple cell channel estimation method and its device Granted publication date: 20130327 License type: Exclusive License Record date: 20180626 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200306 Address after: 201203 Zuchongzhi Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 100033 room 2062, Wenstin administrative apartments, 9 Financial Street B, Xicheng District, Beijing. Patentee before: Xin Xin finance leasing (Beijing) Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200603 Address after: 361012 unit 05, 8 / F, building D, Xiamen international shipping center, No.97 Xiangyu Road, Xiamen area, China (Fujian) free trade zone, Xiamen City, Fujian Province Patentee after: Xinxin Finance Leasing (Xiamen) Co.,Ltd. Address before: 201203 Zuchongzhi Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai 2288 Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
|
EC01 | Cancellation of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xin Xin finance leasing (Beijing) Co.,Ltd. Contract record no.: 2018990000163 Date of cancellation: 20210301 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100714 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xinxin Finance Leasing (Xiamen) Co.,Ltd. Contract record no.: X2021110000010 Denomination of invention: Channel estimation method and device Granted publication date: 20130327 License type: Exclusive License Record date: 20210317 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 361012 unit 05, 8 / F, building D, Xiamen international shipping center, 97 Xiangyu Road, Xiamen area, China (Fujian) pilot Free Trade Zone, Xiamen City, Fujian Province Patentee before: Xinxin Finance Leasing (Xiamen) Co.,Ltd. |