CN101286760B - 正交频分复用***中信道估计的装置及方法 - Google Patents
正交频分复用***中信道估计的装置及方法 Download PDFInfo
- Publication number
- CN101286760B CN101286760B CN2008101087844A CN200810108784A CN101286760B CN 101286760 B CN101286760 B CN 101286760B CN 2008101087844 A CN2008101087844 A CN 2008101087844A CN 200810108784 A CN200810108784 A CN 200810108784A CN 101286760 B CN101286760 B CN 101286760B
- Authority
- CN
- China
- Prior art keywords
- pilot
- estimation
- estimation coefficient
- pilot set
- coefficient
- 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
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004364 calculation method Methods 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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
- H04L25/022—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
- H04L25/0204—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
- H04L25/0224—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
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (13)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101087844A CN101286760B (zh) | 2008-06-02 | 2008-06-02 | 正交频分复用***中信道估计的装置及方法 |
US12/400,169 US8391427B2 (en) | 2008-06-02 | 2009-03-09 | Channel estimation methods and apparatus utilizing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101087844A CN101286760B (zh) | 2008-06-02 | 2008-06-02 | 正交频分复用***中信道估计的装置及方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101286760A CN101286760A (zh) | 2008-10-15 |
CN101286760B true CN101286760B (zh) | 2011-12-21 |
Family
ID=40058756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101087844A Active CN101286760B (zh) | 2008-06-02 | 2008-06-02 | 正交频分复用***中信道估计的装置及方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8391427B2 (zh) |
CN (1) | CN101286760B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102025396B (zh) | 2009-09-23 | 2013-09-11 | 华为技术有限公司 | 滤波处理方法、***及设备 |
CN101777946B (zh) * | 2009-12-24 | 2013-09-11 | 华为技术有限公司 | 信息发送及接收方法及装置 |
US8559567B1 (en) * | 2010-02-05 | 2013-10-15 | Marvell International Ltd. | Channel estimation using reduced-complexity cascaded one-dimensional filtering |
CN101989964B (zh) * | 2010-08-06 | 2013-02-13 | 电子科技大学 | 一种低复杂度的维纳滤波信道估计方法 |
CN103379054B (zh) * | 2012-04-27 | 2018-02-06 | 北京新岸线移动多媒体技术有限公司 | 信道估计方法及装置 |
CN103581065B (zh) * | 2012-07-27 | 2017-06-20 | 重庆重邮信科通信技术有限公司 | 一种维纳滤波信道估计方法和装置 |
US10090905B2 (en) * | 2014-12-29 | 2018-10-02 | Electronics And Telecommunications Research Institute | Method and apparatus for transmitting pilot in multi-antenna communication system, and method and apparatus for allocating pilot in multi-antenna communication system |
CN104601500B (zh) * | 2015-02-02 | 2018-05-29 | 华为技术有限公司 | 信道估计的方法和装置 |
JP6507047B2 (ja) * | 2015-02-10 | 2019-04-24 | 日本放送協会 | 送信装置、受信装置、及び半導体チップ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1787506A (zh) * | 2004-12-09 | 2006-06-14 | 中兴通讯股份有限公司 | 正交频分复用***的导频分配方法和装置 |
CN1889554A (zh) * | 2005-06-27 | 2007-01-03 | 华为技术有限公司 | 导频传送方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6771591B1 (en) * | 2000-07-31 | 2004-08-03 | Thomson Licensing S.A. | Method and system for processing orthogonal frequency division multiplexed signals |
US7876839B2 (en) * | 2005-12-30 | 2011-01-25 | Intel Corporation | Receiver and method for channel estimation for multicarrier communication systems |
AU2007215649B2 (en) * | 2006-02-14 | 2010-11-18 | Samsung Electronics Co., Ltd. | Channel estimation method and apparatus using linear interpolation scheme in orthogonal frequency division multiplexing system and receiver using the same |
US8644363B2 (en) * | 2006-12-31 | 2014-02-04 | Intellectual Discovery Co., Ltd. | Apparatus and method for estimating channel in MIMO system based OFDM/OFDMA |
KR101397248B1 (ko) * | 2007-12-16 | 2014-05-20 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
-
2008
- 2008-06-02 CN CN2008101087844A patent/CN101286760B/zh active Active
-
2009
- 2009-03-09 US US12/400,169 patent/US8391427B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1787506A (zh) * | 2004-12-09 | 2006-06-14 | 中兴通讯股份有限公司 | 正交频分复用***的导频分配方法和装置 |
CN1889554A (zh) * | 2005-06-27 | 2007-01-03 | 华为技术有限公司 | 导频传送方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101286760A (zh) | 2008-10-15 |
US20090296836A1 (en) | 2009-12-03 |
US8391427B2 (en) | 2013-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101286760B (zh) | 正交频分复用***中信道估计的装置及方法 | |
US10164810B2 (en) | Pilot design for wireless system | |
US9313065B2 (en) | Scattered pilot pattern and channel estimation method for MIMO-OFDM systems | |
EP2701355B1 (en) | Method and apparatus for transmitting/receiving a signal in an ffh-ofdm communication system | |
CN101494528B (zh) | 发射分集块传输***的训练序列设计及其信道估计方法 | |
EP1473862B1 (en) | Apparatus and method for transmitting training symbol groups in an OFDM communications system using multiple antennas | |
CN101227445B (zh) | 一种在正交频分复用下计算载波干扰噪声比的方法 | |
CN101222470B (zh) | 双天线离散傅立叶扩频广义多载波***的信道估计方法 | |
Song et al. | Comb type pilot aided channel estimation in OFDM systems with transmit diversity | |
US7933371B2 (en) | Channel environment-adapted MMSE reception method and apparatus using multiple receive antennas | |
KR100575982B1 (ko) | 다중 안테나를 사용하는 직교주파수분할다중 시스템에서간섭신호 제거 장치 및 방법 | |
Ganesh et al. | Channel estimation analysis in MIMO-OFDM wireless systems | |
CN102752253A (zh) | 时频域联合处理抑制正交频分复用***子载波间干扰的方法 | |
CN102546483A (zh) | 一种宽带同频干扰噪声估计和干扰抑制的方法及相应*** | |
TWI411257B (zh) | 正交頻分複用系統中通道估計的裝置及方法 | |
CN114389921B (zh) | 一种基于梳状导频辅助的信道估计方法及*** | |
KR101049509B1 (ko) | Ciod-ofdm 시스템에서 상호채널간섭 존재시신호검출방법 및 시스템 |
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 | ||
ASS | Succession or assignment of patent right |
Owner name: KY WIRE ELECTRIC CO., LTD. Free format text: FORMER OWNER: MEISHANG WEIRUI ELECTRIC COMPANY Effective date: 20131015 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20131015 Address after: The Cayman Islands, British West Indies Patentee after: Ky Wire Electric Co., Ltd. Address before: American California Patentee before: Meishang Weirui Electric Company |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160726 Address after: American California Patentee after: Intel Corporation Address before: The Cayman Islands, British West Indies Patentee before: Ky Wire Electric Co., Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20200402 Address after: California, USA Patentee after: Apple Inc. Address before: California, USA Patentee before: INTEL Corp. |
|
TR01 | Transfer of patent right |