ATE519309T1 - Schätzung einer frequenzumsetzung - Google Patents
Schätzung einer frequenzumsetzungInfo
- Publication number
- ATE519309T1 ATE519309T1 AT08168187T AT08168187T ATE519309T1 AT E519309 T1 ATE519309 T1 AT E519309T1 AT 08168187 T AT08168187 T AT 08168187T AT 08168187 T AT08168187 T AT 08168187T AT E519309 T1 ATE519309 T1 AT E519309T1
- Authority
- AT
- Austria
- Prior art keywords
- estimate
- determined
- frequency
- received
- symbols
- Prior art date
Links
Classifications
-
- 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
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
- H04L27/2659—Coarse or integer frequency offset determination and synchronisation
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Circuits Of Receivers In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08168187A EP2182690B1 (de) | 2008-11-03 | 2008-11-03 | Schätzung einer Frequenzumsetzung |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE519309T1 true ATE519309T1 (de) | 2011-08-15 |
Family
ID=40328969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT08168187T ATE519309T1 (de) | 2008-11-03 | 2008-11-03 | Schätzung einer frequenzumsetzung |
Country Status (5)
Country | Link |
---|---|
US (1) | US8744020B2 (de) |
EP (1) | EP2182690B1 (de) |
JP (1) | JP5438123B2 (de) |
AT (1) | ATE519309T1 (de) |
WO (1) | WO2010060732A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8031024B1 (en) | 2008-02-28 | 2011-10-04 | Marvell International Ltd. | Temperature-corrected frequency control with crystal oscillators |
EP2182690B1 (de) * | 2008-11-03 | 2011-08-03 | Telefonaktiebolaget LM Ericsson (publ) | Schätzung einer Frequenzumsetzung |
US9401784B2 (en) | 2009-10-21 | 2016-07-26 | Qualcomm Incorporated | Time and frequency acquisition and tracking for OFDMA wireless systems |
US10111111B2 (en) | 2009-11-19 | 2018-10-23 | Qualcomm Incorporated | Per-cell timing and/or frequency acquisition and their use on channel estimation in wireless networks |
US8848844B2 (en) | 2010-09-17 | 2014-09-30 | Telefonaktiebolaget L M Ericsson (Publ) | Receiver node and a method therein for compensating frequency offset |
US8731119B2 (en) * | 2011-03-18 | 2014-05-20 | Marvell World Trade Ltd. | Apparatus and method for reducing receiver frequency errors |
US9289422B2 (en) | 2011-03-24 | 2016-03-22 | Marvell World Trade Ltd. | Initial acquisition using crystal oscillator |
US9577858B2 (en) * | 2011-06-02 | 2017-02-21 | Digi International Inc. | RF chirp receiver synchronization |
US8934853B2 (en) * | 2011-06-08 | 2015-01-13 | Broadcom Corporation | Systems and methods for integrating cellular and location detection functionality using a single crystal oscillator |
US8605799B2 (en) | 2011-06-28 | 2013-12-10 | Telefonaktiebolaget L M Ericsson (Publ) | Estimation of frequency offset between a base station and mobile terminal |
TWI462539B (zh) * | 2012-03-06 | 2014-11-21 | Mstar Semiconductor Inc | 頻率校正方法 |
EP2680517B1 (de) | 2012-06-28 | 2016-12-21 | Telefonaktiebolaget LM Ericsson (publ) | Kanalstreuungsschätzung |
FR2994367B1 (fr) | 2012-08-03 | 2016-07-15 | Thales Sa | Procede et systeme de synchronisation |
JP6561471B2 (ja) * | 2015-01-15 | 2019-08-21 | 富士通株式会社 | 通信装置、通信方法、及び通信プログラム |
US9872335B2 (en) | 2015-03-06 | 2018-01-16 | Marvell International Ltd. | Iterative receiver wake-up for long DRX periods |
SG10201509261UA (en) | 2015-11-09 | 2017-06-29 | Huawei Int Pte Ltd | Apparatus and method for direct radio frequency (rf) sampling in near field communication (nfc) devices |
US10333525B1 (en) | 2015-12-07 | 2019-06-25 | Marvell International Ltd. | Digitally-based temperature compensation for a crystal oscillator |
CN106028436B (zh) | 2016-04-28 | 2019-10-25 | 华为技术有限公司 | 一种时频偏补偿的方法及用户终端 |
US10355792B2 (en) * | 2017-01-19 | 2019-07-16 | Samsung Electronics Co., Ltd. | System and method for frequency estimation bias removal |
EP3639444B1 (de) | 2017-06-16 | 2021-08-04 | Telefonaktiebolaget LM Ericsson (Publ) | Frequenzversatzschätzung |
EP3639443B1 (de) | 2017-06-16 | 2023-08-02 | Telefonaktiebolaget LM Ericsson (publ) | Übertragung oder empfang eines referenzsignals in einem drahtlosen kommunikationssystem |
KR102025324B1 (ko) * | 2017-09-27 | 2019-09-25 | (주)에프씨아이 | 주파수 오프셋 추정 방법 |
US11881907B2 (en) * | 2021-12-06 | 2024-01-23 | Qualcomm Incorporated | Frequency tracking loop pull-in range extension using frequency error wraparound detection and correction |
CN115051899B (zh) * | 2022-04-13 | 2024-09-13 | 展讯通信(上海)有限公司 | 频偏估计方法及装置、计算机可读存储介质 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04130843A (ja) | 1990-09-21 | 1992-05-01 | Hitachi Ltd | キヤリア同期方式 |
US20010055320A1 (en) * | 1994-12-15 | 2001-12-27 | Pierzga Wayne Francis | Multiplex communication |
JP3327152B2 (ja) * | 1996-12-25 | 2002-09-24 | 三菱電機株式会社 | 自動周波数制御回路 |
EP1168745A1 (de) * | 1999-11-12 | 2002-01-02 | Mitsubishi Denki Kabushiki Kaisha | Funkvermittlungsendgerät, das bunstposition zutreffend festlegen kann, und das geringen frequenzversatz von regenerativer trägerwelle gesitzt |
US7333573B2 (en) * | 2002-08-23 | 2008-02-19 | Hitachi Kokusai Electric Inc. | Radio communication apparatus and method having automatic frequency control function |
US20040202234A1 (en) * | 2003-04-11 | 2004-10-14 | Agency For Science, Technology And Research | Low-complexity and fast frequency offset estimation for OFDM signals |
WO2007117525A2 (en) | 2006-04-03 | 2007-10-18 | Wionics Research | Frequency offset correction for an ultrawideband communication system |
US8472572B2 (en) | 2006-05-04 | 2013-06-25 | St-Ericsson Sa | Receiver with AFC function for operating in soft handover |
US8184675B2 (en) | 2006-07-12 | 2012-05-22 | Telefonaktiebolaget L M Ericsson (Publ) | Residual frequency offset exploitation |
US7688920B2 (en) | 2006-07-12 | 2010-03-30 | Telefonaktiebolaget L M Ericsson (Publ) | AFC wrap-around detection |
FI20075282A0 (fi) * | 2007-04-23 | 2007-04-23 | Nokia Corp | Taajuusvirheen estimointialgoritmi |
JP4818342B2 (ja) * | 2008-10-24 | 2011-11-16 | 日本電信電話株式会社 | 周波数誤差推定装置 |
EP2182690B1 (de) * | 2008-11-03 | 2011-08-03 | Telefonaktiebolaget LM Ericsson (publ) | Schätzung einer Frequenzumsetzung |
-
2008
- 2008-11-03 EP EP08168187A patent/EP2182690B1/de not_active Not-in-force
- 2008-11-03 AT AT08168187T patent/ATE519309T1/de not_active IP Right Cessation
-
2009
- 2009-10-30 JP JP2011533743A patent/JP5438123B2/ja not_active Expired - Fee Related
- 2009-10-30 WO PCT/EP2009/064399 patent/WO2010060732A1/en active Application Filing
- 2009-10-30 US US13/127,044 patent/US8744020B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2012507899A (ja) | 2012-03-29 |
EP2182690A1 (de) | 2010-05-05 |
JP5438123B2 (ja) | 2014-03-12 |
US8744020B2 (en) | 2014-06-03 |
WO2010060732A1 (en) | 2010-06-03 |
EP2182690B1 (de) | 2011-08-03 |
US20110261909A1 (en) | 2011-10-27 |
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Legal Events
Date | Code | Title | Description |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |