DE602004029808D1 - Verbesserung von signalen - Google Patents
Verbesserung von signalenInfo
- Publication number
- DE602004029808D1 DE602004029808D1 DE602004029808T DE602004029808T DE602004029808D1 DE 602004029808 D1 DE602004029808 D1 DE 602004029808D1 DE 602004029808 T DE602004029808 T DE 602004029808T DE 602004029808 T DE602004029808 T DE 602004029808T DE 602004029808 D1 DE602004029808 D1 DE 602004029808D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- elements
- amplitude
- unwanted
- window function
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/267—Phased-array testing or checking devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
- H04J3/0605—Special codes used as synchronising signal
- H04J3/0608—Detectors therefor, e.g. correlators, state machines
-
- 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
- H04L27/2614—Peak power aspects
- H04L27/2623—Reduction thereof by clipping
- H04L27/2624—Reduction thereof by clipping by soft clipping
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Transmission System (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Picture Signal Circuits (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Radar Systems Or Details Thereof (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Networks Using Active Elements (AREA)
- Gyroscopes (AREA)
- Surgical Instruments (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0327041.0A GB0327041D0 (en) | 2003-11-21 | 2003-11-21 | Apparatus and methods |
PCT/GB2004/004905 WO2005053191A1 (en) | 2003-11-21 | 2004-11-19 | Enhancing signals |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004029808D1 true DE602004029808D1 (de) | 2010-12-09 |
Family
ID=29764162
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004028394T Active DE602004028394D1 (de) | 2003-11-21 | 2004-11-19 | Signalstörungsmessung |
DE602004006530T Active DE602004006530T2 (de) | 2003-11-21 | 2004-11-19 | Signalregeneration |
DE602004029808T Active DE602004029808D1 (de) | 2003-11-21 | 2004-11-19 | Verbesserung von signalen |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004028394T Active DE602004028394D1 (de) | 2003-11-21 | 2004-11-19 | Signalstörungsmessung |
DE602004006530T Active DE602004006530T2 (de) | 2003-11-21 | 2004-11-19 | Signalregeneration |
Country Status (8)
Country | Link |
---|---|
US (5) | US7606337B2 (de) |
EP (5) | EP1685623A1 (de) |
AT (3) | ATE476023T1 (de) |
AU (5) | AU2004310544B2 (de) |
DE (3) | DE602004028394D1 (de) |
ES (4) | ES2286696T3 (de) |
GB (1) | GB0327041D0 (de) |
WO (5) | WO2005053190A1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070118361A1 (en) * | 2005-10-07 | 2007-05-24 | Deepen Sinha | Window apparatus and method |
BRPI0617431B1 (pt) * | 2005-11-16 | 2019-01-15 | Telefonaktiebolaget Lm Ericsson Publ Se | sistema de inspeção e método para avaliar instalações de antena em um sistema de comunicação |
US8369809B2 (en) * | 2007-07-27 | 2013-02-05 | Netlogic Microsystems, Inc. | Crest factor reduction |
EP2201402A1 (de) * | 2007-10-12 | 2010-06-30 | BAE Systems PLC | Empfängerentzerrung |
WO2009151579A1 (en) * | 2008-06-11 | 2009-12-17 | Optichron, Inc. | Crest factor reduction with phase optimization |
GB2467773B (en) * | 2009-02-13 | 2012-02-01 | Socowave Technologies Ltd | Communication system, apparatus and methods for calibrating an antenna array |
JP5620757B2 (ja) * | 2010-09-01 | 2014-11-05 | 株式会社豊田中央研究所 | レーダ装置 |
US20140370823A1 (en) * | 2011-10-21 | 2014-12-18 | Optis Cellular Technology, Llc | Methods, processing device, computer programs, computer program products, and antenna apparatus for calibration of antenna apparatus |
CN106256044B (zh) * | 2014-05-07 | 2019-11-12 | 华为技术有限公司 | 一种相控阵校准方法及相控阵校准电路 |
WO2016089143A1 (ko) * | 2014-12-05 | 2016-06-09 | 엘지전자 주식회사 | 축소된 cp가 적용된 서브프레임 상에서 상향링크 전송을 수행하는 방법 및 사용자 장치 |
CN106450796B (zh) * | 2016-09-07 | 2020-01-07 | 四川九洲电器集团有限责任公司 | 一种阵列天线系统及天线的校准方法 |
ES2895680T3 (es) * | 2017-11-07 | 2022-02-22 | Siemens Ag | Procedimiento para la sincronización de unidades emisoras y receptoras en una transmisión de señales multiportadora |
US10734721B2 (en) | 2017-11-13 | 2020-08-04 | Loon Llc | Beamforming calibration |
EP3711199B1 (de) * | 2017-11-13 | 2022-10-19 | SoftBank Corp. | Strahlformungskalibrierung |
US10320349B1 (en) | 2017-12-06 | 2019-06-11 | Space Systems/Loral, Llc | Multiport amplifier input network with compensation for output network gain and phase frequency response imbalance |
US10284308B1 (en) | 2017-12-06 | 2019-05-07 | Space Systems/Loral, Llc | Satellite system calibration in active operational channels |
US10361762B2 (en) | 2017-12-06 | 2019-07-23 | Space Systems/Loral, Llc | Calibration of satellite beamforming channels |
US10218548B1 (en) | 2018-01-24 | 2019-02-26 | National Instruments Corporation | Wireless radio receiver that performs adaptive phase tracking |
US10218549B1 (en) * | 2018-01-24 | 2019-02-26 | National Instruments Corporation | Wireless radio receiver that performs adaptive phase tracking |
KR102457566B1 (ko) * | 2018-02-22 | 2022-10-21 | 한국전자통신연구원 | 데이터 패킷의 버스트의 길이에 기초하여 변복조를 수행하는 변복조기 및 상기 복조기가 수행하는 방법 |
US10782331B2 (en) * | 2018-06-21 | 2020-09-22 | Rohde & Schwarz Gmbh & Co. Kg | Power measurement apparatus |
EP3790111B1 (de) | 2018-07-06 | 2022-03-02 | Huawei Technologies Co., Ltd. | Verfahren zur kalibrierung einer phasengesteuerten antenne und zugehörige vorrichtung |
JP7231828B2 (ja) * | 2019-04-26 | 2023-03-02 | 日本電信電話株式会社 | 干渉波演算方法、干渉波演算装置及びコンピュータプログラム |
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-
2003
- 2003-11-21 GB GBGB0327041.0A patent/GB0327041D0/en not_active Ceased
-
2004
- 2004-11-19 WO PCT/GB2004/004901 patent/WO2005053190A1/en not_active Application Discontinuation
- 2004-11-19 US US10/521,747 patent/US7606337B2/en active Active
- 2004-11-19 ES ES04798621T patent/ES2286696T3/es active Active
- 2004-11-19 WO PCT/GB2004/004921 patent/WO2005053175A1/en active Search and Examination
- 2004-11-19 DE DE602004028394T patent/DE602004028394D1/de active Active
- 2004-11-19 ES ES04798616T patent/ES2353080T3/es active Active
- 2004-11-19 AT AT04798612T patent/ATE476023T1/de not_active IP Right Cessation
- 2004-11-19 US US10/521,745 patent/US8085886B2/en not_active Expired - Fee Related
- 2004-11-19 AU AU2004310544A patent/AU2004310544B2/en not_active Ceased
- 2004-11-19 DE DE602004006530T patent/DE602004006530T2/de active Active
- 2004-11-19 ES ES04798631T patent/ES2435517T3/es active Active
- 2004-11-19 US US10/521,744 patent/US20050272392A1/en not_active Abandoned
- 2004-11-19 US US10/522,756 patent/US7894557B2/en not_active Expired - Fee Related
- 2004-11-19 EP EP04798608A patent/EP1685623A1/de not_active Withdrawn
- 2004-11-19 AT AT04798616T patent/ATE486418T1/de not_active IP Right Cessation
- 2004-11-19 US US10/522,757 patent/US7907684B2/en not_active Expired - Fee Related
- 2004-11-19 WO PCT/GB2004/004896 patent/WO2005053094A1/en not_active Application Discontinuation
- 2004-11-19 ES ES04798612T patent/ES2347932T3/es active Active
- 2004-11-19 AT AT04798621T patent/ATE362676T1/de not_active IP Right Cessation
- 2004-11-19 AU AU2004310534A patent/AU2004310534A1/en not_active Abandoned
- 2004-11-19 AU AU2004310536A patent/AU2004310536B2/en not_active Ceased
- 2004-11-19 WO PCT/GB2004/004910 patent/WO2005053174A1/en active IP Right Grant
- 2004-11-19 AU AU2004310537A patent/AU2004310537B2/en not_active Ceased
- 2004-11-19 EP EP04798616A patent/EP1685665B1/de not_active Not-in-force
- 2004-11-19 EP EP04798631.0A patent/EP1685654B1/de not_active Not-in-force
- 2004-11-19 EP EP04798612A patent/EP1685664B1/de not_active Not-in-force
- 2004-11-19 EP EP04798621A patent/EP1685653B1/de not_active Not-in-force
- 2004-11-19 WO PCT/GB2004/004905 patent/WO2005053191A1/en not_active Application Discontinuation
- 2004-11-19 AU AU2004310539A patent/AU2004310539B2/en not_active Ceased
- 2004-11-19 DE DE602004029808T patent/DE602004029808D1/de active Active
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