WO2006016980A3 - Method and apparatus capable of interference cancellation - Google Patents
Method and apparatus capable of interference cancellation Download PDFInfo
- Publication number
- WO2006016980A3 WO2006016980A3 PCT/US2005/021928 US2005021928W WO2006016980A3 WO 2006016980 A3 WO2006016980 A3 WO 2006016980A3 US 2005021928 W US2005021928 W US 2005021928W WO 2006016980 A3 WO2006016980 A3 WO 2006016980A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrical signal
- interference cancellation
- receiving
- apparatus capable
- antenna
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
- H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58643704P | 2004-07-08 | 2004-07-08 | |
US60/586,437 | 2004-07-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006016980A2 WO2006016980A2 (en) | 2006-02-16 |
WO2006016980A3 true WO2006016980A3 (en) | 2006-07-20 |
Family
ID=35839696
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/021928 WO2006016980A2 (en) | 2004-07-08 | 2005-06-20 | Method and apparatus capable of interference cancellation |
PCT/US2005/021778 WO2006016973A2 (en) | 2004-07-08 | 2005-06-21 | A feed forward amplifier with multiple cancellation loops capable of reducing intermodulation distortion and receive band noise |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/021778 WO2006016973A2 (en) | 2004-07-08 | 2005-06-21 | A feed forward amplifier with multiple cancellation loops capable of reducing intermodulation distortion and receive band noise |
Country Status (2)
Country | Link |
---|---|
US (2) | US20060009185A1 (en) |
WO (2) | WO2006016980A2 (en) |
Families Citing this family (24)
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US20050200422A1 (en) * | 2001-09-20 | 2005-09-15 | Khosro Shamsaifar | Tunable filters having variable bandwidth and variable delay |
US7657242B2 (en) * | 2004-09-27 | 2010-02-02 | Qualcomm Mems Technologies, Inc. | Selectable capacitance circuit |
US7653371B2 (en) * | 2004-09-27 | 2010-01-26 | Qualcomm Mems Technologies, Inc. | Selectable capacitance circuit |
WO2007100761A2 (en) * | 2006-02-27 | 2007-09-07 | The Penn State Research Foundation | Quadrupole resonance using narrowband probes and continuous-wave excitation |
WO2007100760A2 (en) * | 2006-02-27 | 2007-09-07 | The Penn State Research Foundation | Detecting quadrupole resonance signals using high temperature superconducting resonators |
US8126402B1 (en) * | 2006-12-05 | 2012-02-28 | Nvidia Corporation | Transmission line common-mode filter |
US8159390B2 (en) * | 2007-03-29 | 2012-04-17 | Raytheon Company | Temporal CW nuller |
NZ554311A (en) * | 2007-04-02 | 2009-10-30 | Contimo Ltd | A pest control device |
US7876869B1 (en) | 2007-05-23 | 2011-01-25 | Hypers, Inc. | Wideband digital spectrometer |
US7904047B2 (en) * | 2007-10-31 | 2011-03-08 | Broadcom Corporation | Radio frequency filtering technique with auto calibrated stop-band rejection |
US8306480B2 (en) * | 2008-01-22 | 2012-11-06 | Texas Instruments Incorporated | System and method for transmission interference cancellation in full duplex transceiver |
CN103199808B (en) * | 2013-02-07 | 2016-05-04 | 武汉凡谷电子技术股份有限公司 | A kind of intermodulation canceller for passive device |
US9425840B2 (en) * | 2013-04-26 | 2016-08-23 | Northrop Grumman Systems Corporation | Wideband tunable notch cancellation |
CN103490734B (en) * | 2013-07-26 | 2016-01-20 | 江苏科技大学 | A kind of device of offsetting resistive feedback power current amplifier input stage thermal noise |
CN103700953A (en) * | 2013-11-30 | 2014-04-02 | 成都天奥信息科技有限公司 | Wide-beam dual-mode antenna for satellite phones |
US9654983B2 (en) * | 2014-04-03 | 2017-05-16 | North Carolina State University | Tunable filter employing feedforward cancellation |
CN105515606B (en) * | 2014-09-24 | 2018-07-10 | 南宁富桂精密工业有限公司 | Reduction circuit and transmission circuit |
JP6128171B2 (en) * | 2015-07-09 | 2017-05-17 | 栗田工業株式会社 | Cooling discharge water recovery method and recovery device |
US9800278B2 (en) | 2015-09-04 | 2017-10-24 | North Carolina State University | Tunable filters, cancellers, and duplexers based on passive mixers |
US9847892B2 (en) | 2016-01-22 | 2017-12-19 | International Business Machines Corporation | Embedded wire feed forward equalization |
CN107947755B (en) | 2016-10-11 | 2021-06-29 | 康普技术有限责任公司 | Energy absorption circuit |
US10235987B1 (en) * | 2018-02-23 | 2019-03-19 | GM Global Technology Operations LLC | Method and apparatus that cancel component noise using feedforward information |
EP3565135B8 (en) * | 2018-04-30 | 2022-06-22 | Rohde & Schwarz GmbH & Co. KG | System and method for inverting a radio channel for broadband signals |
CN110729545B (en) * | 2018-07-17 | 2022-03-11 | 康普技术有限责任公司 | Coupler for communication system |
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US3634702A (en) * | 1968-12-20 | 1972-01-11 | Ibm | Solid-state delay line |
US4280128A (en) * | 1980-03-24 | 1981-07-21 | The United States Of America As Represented By The Secretary Of The Army | Adaptive steerable null antenna processor |
US5260711A (en) * | 1993-02-19 | 1993-11-09 | Mmtc, Inc. | Difference-in-time-of-arrival direction finders and signal sorters |
US6556102B1 (en) * | 1999-11-18 | 2003-04-29 | Paratek Microwave, Inc. | RF/microwave tunable delay line |
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AU680866B2 (en) * | 1992-12-01 | 1997-08-14 | Superconducting Core Technologies, Inc. | Tunable microwave devices incorporating high temperature superconducting and ferroelectric films |
US5312790A (en) * | 1993-06-09 | 1994-05-17 | The United States Of America As Represented By The Secretary Of The Army | Ceramic ferroelectric material |
JP3007795B2 (en) * | 1994-06-16 | 2000-02-07 | シャープ株式会社 | Method for producing composite metal oxide dielectric thin film |
US5693429A (en) * | 1995-01-20 | 1997-12-02 | The United States Of America As Represented By The Secretary Of The Army | Electronically graded multilayer ferroelectric composites |
WO1996029725A1 (en) * | 1995-03-21 | 1996-09-26 | Northern Telecom Limited | Ferroelectric dielectric for integrated circuit applications at microwave frequencies |
US5635433A (en) * | 1995-09-11 | 1997-06-03 | The United States Of America As Represented By The Secretary Of The Army | Ceramic ferroelectric composite material-BSTO-ZnO |
US5635434A (en) * | 1995-09-11 | 1997-06-03 | The United States Of America As Represented By The Secretary Of The Army | Ceramic ferroelectric composite material-BSTO-magnesium based compound |
US5766697A (en) * | 1995-12-08 | 1998-06-16 | The United States Of America As Represented By The Secretary Of The Army | Method of making ferrolectric thin film composites |
US5846893A (en) * | 1995-12-08 | 1998-12-08 | Sengupta; Somnath | Thin film ferroelectric composites and method of making |
US5640042A (en) * | 1995-12-14 | 1997-06-17 | The United States Of America As Represented By The Secretary Of The Army | Thin film ferroelectric varactor |
US5830591A (en) * | 1996-04-29 | 1998-11-03 | Sengupta; Louise | Multilayered ferroelectric composite waveguides |
US6097263A (en) * | 1996-06-28 | 2000-08-01 | Robert M. Yandrofski | Method and apparatus for electrically tuning a resonating device |
US5977826A (en) * | 1998-03-13 | 1999-11-02 | Behan; Scott T. | Cascaded error correction in a feed forward amplifier |
US6100757A (en) * | 1998-09-30 | 2000-08-08 | Motorola, Inc. | Variable time delay network method and apparatus therof |
ES2201797T3 (en) * | 1998-10-16 | 2004-03-16 | Paratek Microwave, Inc. | TENSIONABLE VARACTORS BY TENSION AND TUNING DEVICES THAT INCLUDE SUCH VARACTORS. |
CA2346878A1 (en) * | 1998-10-16 | 2000-04-27 | Xubai Zhang | Voltage tunable laminated dielectric materials for microwave applications |
US6074971A (en) * | 1998-11-13 | 2000-06-13 | The United States Of America As Represented By The Secretary Of The Army | Ceramic ferroelectric composite materials with enhanced electronic properties BSTO-Mg based compound-rare earth oxide |
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US6538603B1 (en) * | 2000-07-21 | 2003-03-25 | Paratek Microwave, Inc. | Phased array antennas incorporating voltage-tunable phase shifters |
US6377440B1 (en) * | 2000-09-12 | 2002-04-23 | Paratek Microwave, Inc. | Dielectric varactors with offset two-layer electrodes |
WO2002037708A2 (en) * | 2000-11-03 | 2002-05-10 | Paratek Microwave, Inc. | Method of channel frequency allocation for rf and microwave duplexers |
EP1340285A1 (en) * | 2000-11-14 | 2003-09-03 | Paratek Microwave, Inc. | Hybrid resonator microstrip line filters |
US6535076B2 (en) * | 2001-05-15 | 2003-03-18 | Silicon Valley Bank | Switched charge voltage driver and method for applying voltage to tunable dielectric devices |
US6856215B2 (en) * | 2001-08-24 | 2005-02-15 | Powerwave Technologies, Inc. | System and method for adjusting group delay |
US20050200422A1 (en) * | 2001-09-20 | 2005-09-15 | Khosro Shamsaifar | Tunable filters having variable bandwidth and variable delay |
US7231191B2 (en) * | 2001-09-28 | 2007-06-12 | Powerwave Technologies, Inc. | Spurious ratio control circuit for use with feed-forward linear amplifiers |
US6864843B2 (en) * | 2002-08-15 | 2005-03-08 | Paratek Microwave, Inc. | Conformal frequency-agile tunable patch antenna |
US6958647B2 (en) * | 2003-11-25 | 2005-10-25 | Powerwave Technologies, Inc. | Dual loop feedforward power amplifier |
-
2005
- 2005-06-14 US US11/152,579 patent/US20060009185A1/en not_active Abandoned
- 2005-06-15 US US11/153,813 patent/US20060009172A1/en not_active Abandoned
- 2005-06-20 WO PCT/US2005/021928 patent/WO2006016980A2/en active Application Filing
- 2005-06-21 WO PCT/US2005/021778 patent/WO2006016973A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3634702A (en) * | 1968-12-20 | 1972-01-11 | Ibm | Solid-state delay line |
US4280128A (en) * | 1980-03-24 | 1981-07-21 | The United States Of America As Represented By The Secretary Of The Army | Adaptive steerable null antenna processor |
US5260711A (en) * | 1993-02-19 | 1993-11-09 | Mmtc, Inc. | Difference-in-time-of-arrival direction finders and signal sorters |
US6556102B1 (en) * | 1999-11-18 | 2003-04-29 | Paratek Microwave, Inc. | RF/microwave tunable delay line |
Also Published As
Publication number | Publication date |
---|---|
WO2006016973A3 (en) | 2006-12-14 |
US20060009172A1 (en) | 2006-01-12 |
WO2006016973A2 (en) | 2006-02-16 |
WO2006016980A2 (en) | 2006-02-16 |
US20060009185A1 (en) | 2006-01-12 |
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