CN102246478B - 信道估计方法和装置 - Google Patents
信道估计方法和装置 Download PDFInfo
- Publication number
- CN102246478B CN102246478B CN201180000278.3A CN201180000278A CN102246478B CN 102246478 B CN102246478 B CN 102246478B CN 201180000278 A CN201180000278 A CN 201180000278A CN 102246478 B CN102246478 B CN 102246478B
- Authority
- CN
- China
- Prior art keywords
- matrix
- inverse
- channel estimation
- multiplication
- sub
- 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 95
- 239000011159 matrix material Substances 0.000 claims abstract description 576
- 238000004364 calculation method Methods 0.000 claims abstract description 51
- 238000004891 communication Methods 0.000 abstract description 2
- 238000013500 data storage Methods 0.000 description 56
- 238000013139 quantization Methods 0.000 description 40
- 238000001514 detection method Methods 0.000 description 29
- 230000004044 response Effects 0.000 description 6
- 238000013507 mapping Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000017105 transposition 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0244—Channel estimation channel estimation algorithms using matrix methods with inversion
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Complex Calculations (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2011/073249 WO2011110129A2 (zh) | 2011-04-25 | 2011-04-25 | 信道估计方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102246478A CN102246478A (zh) | 2011-11-16 |
CN102246478B true CN102246478B (zh) | 2013-10-09 |
Family
ID=44563908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180000278.3A Active CN102246478B (zh) | 2011-04-25 | 2011-04-25 | 信道估计方法和装置 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN102246478B (zh) |
WO (1) | WO2011110129A2 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103427933B (zh) * | 2012-05-15 | 2018-06-08 | 深圳市中兴微电子技术有限公司 | 矢量处理器及其生成扰码序列的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1351427A (zh) * | 2000-10-26 | 2002-05-29 | 华为技术有限公司 | 利用训练序列快速进行信道估计的方法和装置 |
CN1905432A (zh) * | 2006-07-31 | 2007-01-31 | 华为技术有限公司 | 一种在多天线数字无线通信系统中检测信号的方法 |
CN101292481A (zh) * | 2005-09-06 | 2008-10-22 | 皇家飞利浦电子股份有限公司 | 一种基于隐训练序列的估计信道的方法和装置 |
WO2009124568A1 (en) * | 2008-04-11 | 2009-10-15 | Trident Microsystems (Far East) Ltd. | Method and circuit device for correlation and reshaping based channel estimation in a dtmb receiver |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7203257B2 (en) * | 2003-05-23 | 2007-04-10 | Zenith Electronics Corporation | Best linear unbiased channel estimation for frequency selective multipath channels with long delay spreads |
-
2011
- 2011-04-25 CN CN201180000278.3A patent/CN102246478B/zh active Active
- 2011-04-25 WO PCT/CN2011/073249 patent/WO2011110129A2/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1351427A (zh) * | 2000-10-26 | 2002-05-29 | 华为技术有限公司 | 利用训练序列快速进行信道估计的方法和装置 |
CN101292481A (zh) * | 2005-09-06 | 2008-10-22 | 皇家飞利浦电子股份有限公司 | 一种基于隐训练序列的估计信道的方法和装置 |
CN1905432A (zh) * | 2006-07-31 | 2007-01-31 | 华为技术有限公司 | 一种在多天线数字无线通信系统中检测信号的方法 |
WO2009124568A1 (en) * | 2008-04-11 | 2009-10-15 | Trident Microsystems (Far East) Ltd. | Method and circuit device for correlation and reshaping based channel estimation in a dtmb receiver |
Also Published As
Publication number | Publication date |
---|---|
WO2011110129A3 (zh) | 2012-04-05 |
WO2011110129A2 (zh) | 2011-09-15 |
CN102246478A (zh) | 2011-11-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8594250B2 (en) | Apparatus and methods for computing constant amplitude zero auto-correlation sequences | |
Mansour | Optimized architecture for computing Zadoff-Chu sequences with application to LTE | |
RU2666744C1 (ru) | Способ передачи данных с многопользовательским множественным доступом с кодовым разделением и соответствующие передатчик и приемник | |
EP1817690A2 (en) | Efficient computation for eigenvalue decomposition and singular value decomposition of matrices | |
TW201242284A (en) | Uplink noise estimation for virtual MIMO | |
US8837572B2 (en) | Receiver and method for equalizing signals | |
JP5032506B2 (ja) | 積和演算を実行する方法及び装置 | |
CN113411177B (zh) | 信号类型的检测方法、装置、设备及存储介质 | |
CN102246478B (zh) | 信道估计方法和装置 | |
CN101409574B (zh) | 一种用于td-scdma系统的信道估计方法、装置及接收机 | |
CN101505173B (zh) | 一种随机接入检测方法和通信装置 | |
CN110971556B (zh) | 一种无线通信系统的信号处理方法、终端设备及网络设备 | |
CN102075220B (zh) | 一种基于时域降噪的信道估计装置及方法 | |
de Figueiredo et al. | Efficient frequency domain zadoff-chu generator with application to LTE and LTE-A systems | |
CN103414544B (zh) | 通信系统中多相正交互补序列集合的生成方法 | |
de Figueiredo et al. | Efficient FPGA-based implementation of a CAZAC sequence generator for 3GPP LTE | |
CN108259116B (zh) | 一种cdma通信系统 | |
CN108123742B (zh) | 一种数据处理方法、数据发送装置以及数据接收装置 | |
CN104509051A (zh) | 信道估计方法及接收机 | |
CN102271103B (zh) | 一种td-scdma系统中的多小区信道估计方法 | |
CN103595663B (zh) | 一种发射复数信号的估计方法 | |
CN102447533A (zh) | 在通信网络的接收机中用于部分干扰消除的方法及装置 | |
Liang et al. | A modified SLM scheme with two-stage scrambling for PAPR reduction in OFDM systems | |
CN101677249B (zh) | 时分同步码分多址系统的联合检测方法及接收设备 | |
CN107465470B (zh) | 功率估计装置和功率估计方法 |
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 | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201105 Address after: 215500 No.13, Caotang Road, Changshu, Suzhou, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20201105 Address after: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
|
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: No.13 caodang Road, Changshu City, Suzhou City, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |