CN106850467B - 信道估计器、解调器及信道估计方法 - Google Patents
信道估计器、解调器及信道估计方法 Download PDFInfo
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- CN106850467B CN106850467B CN201510887422.XA CN201510887422A CN106850467B CN 106850467 B CN106850467 B CN 106850467B CN 201510887422 A CN201510887422 A CN 201510887422A CN 106850467 B CN106850467 B CN 106850467B
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- channel estimation
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- signal
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000012549 training Methods 0.000 claims abstract description 95
- 238000011156 evaluation Methods 0.000 claims description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- 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
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- 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
- H04L25/0212—Channel estimation of impulse 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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- 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
-
- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
- H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Noise Elimination (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (14)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510887422.XA CN106850467B (zh) | 2015-12-04 | 2015-12-04 | 信道估计器、解调器及信道估计方法 |
US14/975,874 US9667449B1 (en) | 2015-12-04 | 2015-12-21 | Channel estimator, demodulator and method for channel estimation |
US14/977,656 US9794008B2 (en) | 2015-12-04 | 2015-12-22 | Noise power estimator, receiver and method for noise power estimation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510887422.XA CN106850467B (zh) | 2015-12-04 | 2015-12-04 | 信道估计器、解调器及信道估计方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106850467A CN106850467A (zh) | 2017-06-13 |
CN106850467B true CN106850467B (zh) | 2019-11-08 |
Family
ID=58738045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510887422.XA Active CN106850467B (zh) | 2015-12-04 | 2015-12-04 | 信道估计器、解调器及信道估计方法 |
Country Status (2)
Country | Link |
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US (1) | US9667449B1 (zh) |
CN (1) | CN106850467B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108123906B (zh) * | 2017-12-26 | 2020-09-11 | 中国科学院微电子研究所 | 信道估计方法 |
EP3534580B1 (en) * | 2018-02-28 | 2021-04-28 | Nxp B.V. | Method and apparatus to reduce delays in channel estimation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6314147B1 (en) * | 1997-11-04 | 2001-11-06 | The Board Of Trustees Of The Leland Stanford Junior University | Two-stage CCI/ISI reduction with space-time processing in TDMA cellular networks |
SG120921A1 (en) * | 2002-03-13 | 2006-04-26 | Ntt Docomo Inc | Mimo receiver and method of reception therefor |
US7852915B2 (en) * | 2007-03-21 | 2010-12-14 | Freescale Semiconductor, Inc. | Adaptive equalizer for communication channels |
CN100562002C (zh) * | 2007-12-24 | 2009-11-18 | 清华大学 | 一种正交频分复用调制系统中保护间隔的填充方法及其通信系统 |
US9338031B2 (en) * | 2009-08-17 | 2016-05-10 | Qualcomm Incorporated | Methods and apparatus for interference decrease/cancellation on downlink acquisition signals |
WO2011093779A1 (en) * | 2010-01-28 | 2011-08-04 | Telefonaktiebolaget L M Ericsson (Publ) | Block decoding using overlapping and add |
CN101808056B (zh) * | 2010-04-06 | 2013-01-30 | 清华大学 | 基于训练序列重构的信道估计方法及系统 |
US9118377B2 (en) * | 2012-07-05 | 2015-08-25 | Telefonaktiebolaget L M Ericsson (Publ) | Method for interference and carrier power estimation and its application to automatic gain control and signal-to-interference-and-noise-ratio computation |
KR102007804B1 (ko) * | 2013-03-19 | 2019-10-21 | 삼성전자주식회사 | 무선 통신 시스템을 위한 채널 추정 장치 및 방법 |
-
2015
- 2015-12-04 CN CN201510887422.XA patent/CN106850467B/zh active Active
- 2015-12-21 US US14/975,874 patent/US9667449B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN106850467A (zh) | 2017-06-13 |
US9667449B1 (en) | 2017-05-30 |
US20170163449A1 (en) | 2017-06-08 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20171026 Address after: 200233 A18 site, 1 Yishan Road, Shanghai, Xuhui District, 900 Applicant after: MONTAGE TECHNOLOGY (SHANGHAI) CO.,LTD. Applicant after: Montage LZ Technologies (Chengdu) Co.,Ltd. Address before: 200233 Shanghai, Yishan Road, No. 900 science and technology building, building A, building No. 6, building Applicant before: MONTAGE TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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Denomination of invention: Channel estimator, demodulator, and channel estimation method Granted publication date: 20191108 Pledgee: Renlai Electronic Technology (Shanghai) Co.,Ltd. Pledgor: MONTAGE TECHNOLOGY (SHANGHAI) CO.,LTD.|Montage LZ Technologies (Chengdu) Co.,Ltd. Registration number: Y2024980016169 |