ATE303681T1 - Dopplerspreizschätzungssystem - Google Patents
DopplerspreizschätzungssystemInfo
- Publication number
- ATE303681T1 ATE303681T1 AT00915916T AT00915916T ATE303681T1 AT E303681 T1 ATE303681 T1 AT E303681T1 AT 00915916 T AT00915916 T AT 00915916T AT 00915916 T AT00915916 T AT 00915916T AT E303681 T1 ATE303681 T1 AT E303681T1
- Authority
- AT
- Austria
- Prior art keywords
- doppler spread
- estimator
- digital samples
- stationarizer
- spectral density
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000005562 fading Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/01—Reducing phase shift
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (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)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/273,480 US6563861B1 (en) | 1999-03-22 | 1999-03-22 | Doppler spread estimation system |
PCT/US2000/005129 WO2000057568A1 (en) | 1999-03-22 | 2000-02-29 | Doppler spread estimation system |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE303681T1 true ATE303681T1 (de) | 2005-09-15 |
Family
ID=23044116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT00915916T ATE303681T1 (de) | 1999-03-22 | 2000-02-29 | Dopplerspreizschätzungssystem |
Country Status (10)
Country | Link |
---|---|
US (1) | US6563861B1 (de) |
EP (1) | EP1166455B1 (de) |
JP (1) | JP4446606B2 (de) |
CN (1) | CN1169310C (de) |
AT (1) | ATE303681T1 (de) |
AU (1) | AU3710500A (de) |
DE (1) | DE60022330D1 (de) |
MY (1) | MY124757A (de) |
TR (1) | TR200102697T2 (de) |
WO (1) | WO2000057568A1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6680969B1 (en) * | 1999-03-22 | 2004-01-20 | Ericsson, Inc. | Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers |
US6931055B1 (en) * | 2000-04-18 | 2005-08-16 | Sirf Technology, Inc. | Signal detector employing a doppler phase correction system |
US6952440B1 (en) * | 2000-04-18 | 2005-10-04 | Sirf Technology, Inc. | Signal detector employing a Doppler phase correction system |
US6788746B1 (en) * | 2000-06-26 | 2004-09-07 | Rosemount Aerospace Inc. | System and method of determining the frequency of a coherent burst signal |
US6832080B1 (en) * | 2000-09-12 | 2004-12-14 | Ericsson, Inc. | Apparatus for and method of adapting a radio receiver using control functions |
US6922452B2 (en) * | 2001-03-27 | 2005-07-26 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for estimating Doppler spread |
US7039138B2 (en) * | 2001-06-05 | 2006-05-02 | Qualcomm Incorporated | Method and apparatus for bandwidth estimation |
EP1296156B1 (de) * | 2001-09-25 | 2009-01-28 | STMicroelectronics N.V. | Verfahren und Vorrichtung zur Geschwindigkeitsschätzung eines Mobilendgerätes insbesondere zellulares Mobiltelefon mit UMTS Fähigkeit |
US20030153274A1 (en) * | 2002-02-14 | 2003-08-14 | Carsten Juncker | Doppler spread estimation |
US7218934B2 (en) * | 2002-02-14 | 2007-05-15 | Nokia Corporation | Mobile station speed estimation |
ATE363773T1 (de) * | 2002-02-18 | 2007-06-15 | Ericsson Telefon Ab L M | Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung |
WO2004068749A1 (ja) * | 2003-01-30 | 2004-08-12 | Fujitsu Limited | フェ−ジング周波数推定装置 |
EP1465364B1 (de) * | 2003-04-04 | 2007-07-11 | Mitsubishi Electric Information Technology Centre Europe B.V. | Vorentzerrung eines Mehrträger-CDMA-Systems über zeitvariante übertragungskanäle |
KR100608109B1 (ko) * | 2004-06-28 | 2006-08-02 | 삼성전자주식회사 | 이동통신 시스템에서 도플러 주파수 및 단말기의 이동속도 계산 장치 및 방법 |
JP4658139B2 (ja) * | 2004-12-15 | 2011-03-23 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | ドップラー予測 |
WO2006072864A1 (en) * | 2005-01-06 | 2006-07-13 | Koninklijke Philips Electronics N.V. | A method and apparatus for estimating doppler spread |
JP4297093B2 (ja) * | 2005-07-15 | 2009-07-15 | ソニー株式会社 | ドップラー周波数算出装置及び方法、並びにofdm復調装置 |
US8112247B2 (en) * | 2006-03-24 | 2012-02-07 | International Business Machines Corporation | Resource adaptive spectrum estimation of streaming data |
US20080056390A1 (en) * | 2006-08-29 | 2008-03-06 | Motorola, Inc. | method and system for doppler estimation |
US8094605B2 (en) | 2007-03-30 | 2012-01-10 | Livetv, Llc | Aircraft communications system with network selection controller and associated methods |
WO2009079848A1 (fr) * | 2007-12-21 | 2009-07-02 | Zte Corporation | Procédé pour estimer un étalement de spectre de fréquence et une vitesse d'une station mobile |
US20090296799A1 (en) * | 2008-03-12 | 2009-12-03 | Raul Alejandro Casas | Channel identification, emulation, and frame synchronization for digital television signals |
CN101252398B (zh) * | 2008-04-03 | 2012-12-05 | 北京航空航天大学 | 具有多普勒模拟功能的扩频信号源 |
US7970083B2 (en) * | 2008-04-04 | 2011-06-28 | Newport Media, Inc. | Estimating doppler frequency in ISDB-T systems |
KR101629529B1 (ko) * | 2008-11-13 | 2016-06-13 | 노오텔 네트웍스 리미티드 | 업링크 수신기에 대한 감소된 복잡도 채널 추정 |
TWI406539B (zh) * | 2009-05-26 | 2013-08-21 | Sunplus Mmobile Inc | 都普勒頻率之估測系統及方法 |
EP2636158A4 (de) * | 2010-11-04 | 2016-02-17 | Ericsson Telefon Ab L M | Funkbasisstation und verfahren dafür zur kalkulation einer doppler-spreizung |
DE102011017473A1 (de) * | 2011-04-18 | 2012-10-18 | Continental Automotive Gmbh | Verfahren zur Kanalschatzung bei der Fahrzeug-zu-Umgebung- Kommunikation und dazu eingerichtete Kommunikationseinrichtung |
US8644181B2 (en) | 2011-08-16 | 2014-02-04 | Hong Kong Applied Science and Technology Research Institute Company Limited | Method and apparatus for estimation of channel temporal correlation and MIMO mode selection in LTE system |
US20130309988A1 (en) * | 2012-04-13 | 2013-11-21 | Apple Inc. | Apparatus and methods for adjusting adaptive control loop behavior based on measured artifacts |
CN103491046B (zh) * | 2013-09-12 | 2016-06-08 | 江苏科技大学 | 水声高速ofdm通信的多普勒扩展处理方法 |
US10666314B2 (en) * | 2016-02-25 | 2020-05-26 | Cohere Technologies, Inc. | Reference signal packing for wireless communications |
CN112333757B (zh) * | 2020-10-15 | 2022-11-08 | 成都市以太节点科技有限公司 | 一种无线通信测试方法及系统 |
CN115189785B (zh) * | 2021-04-02 | 2023-10-27 | 中国移动通信集团终端有限公司 | 信道的多普勒扩展验证方法、系统及设备 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4633411A (en) * | 1982-12-27 | 1986-12-30 | Rockwell International Corporation | Link quality analyzer |
US4706286A (en) | 1983-12-30 | 1987-11-10 | Litton Systems, Inc. | Method and circuit for extraction of Doppler information from a pseudo-noise modulated carrier |
DE3513361A1 (de) | 1985-04-15 | 1986-10-16 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und schaltungsanordnung zur qualitaetsmessung von funkuebertragungskanaelen eines funkuebertragungssystems |
JP2600879B2 (ja) | 1988-12-27 | 1997-04-16 | 株式会社日本自動車部品総合研究所 | トップラレーダ速度検出方法 |
US5220584A (en) * | 1990-12-21 | 1993-06-15 | Mikros Systems Corp. | System for demodulation and synchronizing multiple tone waveforms |
US5272446A (en) * | 1991-11-29 | 1993-12-21 | Comsat | Digitally implemented fast frequency estimator/demodulator for low bit rate maritime and mobile data communications without the use of an acquisition preamble |
JP3512296B2 (ja) * | 1996-03-08 | 2004-03-29 | 富士通株式会社 | フェージング等化器 |
JP3681230B2 (ja) | 1996-07-30 | 2005-08-10 | 松下電器産業株式会社 | スペクトル拡散通信装置 |
JP3335887B2 (ja) * | 1997-08-20 | 2002-10-21 | 松下電器産業株式会社 | スペクトル拡散復調装置及びスペクトル拡散復調方法 |
-
1999
- 1999-03-22 US US09/273,480 patent/US6563861B1/en not_active Expired - Lifetime
-
2000
- 2000-02-29 CN CNB008076561A patent/CN1169310C/zh not_active Expired - Lifetime
- 2000-02-29 EP EP00915916A patent/EP1166455B1/de not_active Expired - Lifetime
- 2000-02-29 WO PCT/US2000/005129 patent/WO2000057568A1/en active IP Right Grant
- 2000-02-29 AU AU37105/00A patent/AU3710500A/en not_active Abandoned
- 2000-02-29 AT AT00915916T patent/ATE303681T1/de not_active IP Right Cessation
- 2000-02-29 DE DE60022330T patent/DE60022330D1/de not_active Expired - Lifetime
- 2000-02-29 JP JP2000607344A patent/JP4446606B2/ja not_active Expired - Lifetime
- 2000-02-29 TR TR2001/02697T patent/TR200102697T2/xx unknown
- 2000-03-14 MY MYPI20000987A patent/MY124757A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE60022330D1 (de) | 2005-10-06 |
CN1351781A (zh) | 2002-05-29 |
EP1166455A1 (de) | 2002-01-02 |
JP2002540672A (ja) | 2002-11-26 |
US6563861B1 (en) | 2003-05-13 |
WO2000057568A1 (en) | 2000-09-28 |
TR200102697T2 (tr) | 2002-04-22 |
MY124757A (en) | 2006-07-31 |
CN1169310C (zh) | 2004-09-29 |
EP1166455B1 (de) | 2005-08-31 |
JP4446606B2 (ja) | 2010-04-07 |
AU3710500A (en) | 2000-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |