CN102638424B - 在ofdm通信中的动态调节的ofdm信道估计滤波 - Google Patents
在ofdm通信中的动态调节的ofdm信道估计滤波 Download PDFInfo
- Publication number
- CN102638424B CN102638424B CN201110452962.7A CN201110452962A CN102638424B CN 102638424 B CN102638424 B CN 102638424B CN 201110452962 A CN201110452962 A CN 201110452962A CN 102638424 B CN102638424 B CN 102638424B
- Authority
- CN
- China
- Prior art keywords
- channel
- channel estimating
- coarse
- filtering
- estimating
- 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.)
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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
- H04L25/0212—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201061428219P | 2010-12-29 | 2010-12-29 | |
US61/428,219 | 2010-12-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102638424A CN102638424A (zh) | 2012-08-15 |
CN102638424B true CN102638424B (zh) | 2016-01-13 |
Family
ID=45507329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110452962.7A Active CN102638424B (zh) | 2010-12-29 | 2011-12-29 | 在ofdm通信中的动态调节的ofdm信道估计滤波 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8995515B2 (zh) |
EP (1) | EP2472805B1 (zh) |
CN (1) | CN102638424B (zh) |
HK (1) | HK1173869A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9258150B2 (en) | 2010-12-29 | 2016-02-09 | Zte Wistron Telecom Ab | Channel estimation filtering |
WO2014018467A1 (en) * | 2012-07-23 | 2014-01-30 | Apple Inc. | Methods and systems for anchored down-selection in a coordinated multipoint transmission cluster |
CN103701575B (zh) * | 2013-06-03 | 2016-10-12 | 南通大学 | 一种基于网络编码的ofdm子载波信道组合方法 |
WO2015050421A1 (ko) * | 2013-10-04 | 2015-04-09 | 삼성전자 주식회사 | 무선 통신 시스템에서 채널 추정 방법 및 장치 |
DE102015109752B4 (de) * | 2015-06-18 | 2019-05-23 | Intel IP Corporation | Vorrichtung und Verfahren zum Erzeugen von Kanalschätzungskoeffizienten zur Kanalschätzungsfilterung |
EP3394631A1 (en) * | 2015-12-23 | 2018-10-31 | Ascentia Imaging, Inc. | Localization system and associated method |
JP6626028B2 (ja) * | 2017-03-17 | 2019-12-25 | 株式会社東芝 | 無線通信装置、及び、無線通信方法 |
CN108809868B (zh) * | 2018-04-23 | 2020-07-07 | 中国科学院自动化研究所 | 一种基于5g通信网络的信道估计方法及系统 |
CN111162822B (zh) * | 2019-12-05 | 2021-01-26 | 东南大学 | 大规模mimo波束域统计信道信息获取方法与系统 |
CN116055263B (zh) * | 2023-03-06 | 2023-06-13 | 南京创芯慧联技术有限公司 | 信道估计方法、装置、通信设备及存储介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1890935A (zh) * | 2003-12-03 | 2007-01-03 | 澳大利亚电信合作研究中心 | Ofdm系统的信道评估 |
CN101325568A (zh) * | 2007-06-12 | 2008-12-17 | 华为技术有限公司 | 基于正交频分复用系统的信道估计方法及其装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7848463B2 (en) * | 2005-04-07 | 2010-12-07 | Qualcomm Incorporated | Adaptive time-filtering for channel estimation in OFDM system |
KR100764012B1 (ko) | 2006-12-08 | 2007-10-08 | 한국전자통신연구원 | 이동통신 시스템에서 채널의 지연확산에 따른 채널 추정장치 및 그 방법 |
US7821916B2 (en) | 2008-04-04 | 2010-10-26 | Newport Media, Inc. | Timing and frequency acquisition for mediaflo systems |
US8761230B2 (en) | 2009-06-08 | 2014-06-24 | Adeptence, Llc | Method and apparatus for continuous phase modulation preamble encoding and decoding |
US8428163B2 (en) * | 2009-07-28 | 2013-04-23 | Broadcom Corporation | Method and system for Doppler spread and delay spread matching with channel estimation by circular convolution in OFDM communication networks |
US9258150B2 (en) | 2010-12-29 | 2016-02-09 | Zte Wistron Telecom Ab | Channel estimation filtering |
-
2011
- 2011-12-28 US US13/339,321 patent/US8995515B2/en active Active
- 2011-12-29 CN CN201110452962.7A patent/CN102638424B/zh active Active
- 2011-12-29 EP EP11010290.2A patent/EP2472805B1/en not_active Not-in-force
-
2013
- 2013-01-21 HK HK13100893.3A patent/HK1173869A1/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1890935A (zh) * | 2003-12-03 | 2007-01-03 | 澳大利亚电信合作研究中心 | Ofdm系统的信道评估 |
CN101325568A (zh) * | 2007-06-12 | 2008-12-17 | 华为技术有限公司 | 基于正交频分复用系统的信道估计方法及其装置 |
Also Published As
Publication number | Publication date |
---|---|
HK1173869A1 (zh) | 2013-05-24 |
US8995515B2 (en) | 2015-03-31 |
CN102638424A (zh) | 2012-08-15 |
EP2472805B1 (en) | 2019-10-16 |
EP2472805A1 (en) | 2012-07-04 |
US20120170635A1 (en) | 2012-07-05 |
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Effective date of registration: 20230804 Address after: Zhongxing building, science and technology south road, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Patentee after: ZTE Corp. Address before: Stockholm, SWE Patentee before: ZTE WISTRON TELECOM AB |
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