FI945344A0 - Menetelmä ja kytkentä radiolaitteen lähetinsignaalMenetelmä ja kytkentä radiolaitteen lähetinsignaalin tehon säätämiseksi ja linearisoimiseksi in tehon säätämiseksi ja linearisoimiseksi - Google Patents
Menetelmä ja kytkentä radiolaitteen lähetinsignaalMenetelmä ja kytkentä radiolaitteen lähetinsignaalin tehon säätämiseksi ja linearisoimiseksi in tehon säätämiseksi ja linearisoimiseksiInfo
- Publication number
- FI945344A0 FI945344A0 FI945344A FI945344A FI945344A0 FI 945344 A0 FI945344 A0 FI 945344A0 FI 945344 A FI945344 A FI 945344A FI 945344 A FI945344 A FI 945344A FI 945344 A0 FI945344 A0 FI 945344A0
- Authority
- FI
- Finland
- Prior art keywords
- linearization
- switching
- power control
- radio device
- device transmitter
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transceivers (AREA)
- Noise Elimination (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI945344A FI105865B (fi) | 1994-11-14 | 1994-11-14 | Menetelmä ja kytkentä radiolaitteen lähetinsignaalin tehon säätämiseksi ja linearisoimiseksi |
CA002158773A CA2158773A1 (en) | 1994-11-14 | 1995-09-21 | Method and circuit for regulating the power of and linearizing a transmission signal of a radio device |
JP7267171A JPH08223075A (ja) | 1994-11-14 | 1995-10-16 | 無線装置の電力の調整と送信信号の直線化とを行う方法及び回路 |
US08/884,114 US5819165A (en) | 1994-11-14 | 1997-06-27 | System for regulating the power output of and linearizing the transmission signal from a radio transmitter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI945344 | 1994-11-14 | ||
FI945344A FI105865B (fi) | 1994-11-14 | 1994-11-14 | Menetelmä ja kytkentä radiolaitteen lähetinsignaalin tehon säätämiseksi ja linearisoimiseksi |
Publications (3)
Publication Number | Publication Date |
---|---|
FI945344A0 true FI945344A0 (fi) | 1994-11-14 |
FI945344A FI945344A (fi) | 1996-05-15 |
FI105865B FI105865B (fi) | 2000-10-13 |
Family
ID=8541797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI945344A FI105865B (fi) | 1994-11-14 | 1994-11-14 | Menetelmä ja kytkentä radiolaitteen lähetinsignaalin tehon säätämiseksi ja linearisoimiseksi |
Country Status (4)
Country | Link |
---|---|
US (1) | US5819165A (fi) |
JP (1) | JPH08223075A (fi) |
CA (1) | CA2158773A1 (fi) |
FI (1) | FI105865B (fi) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH104390A (ja) * | 1996-06-17 | 1998-01-06 | Nec Corp | 無線折り返し試験方法および無線折り返し試験方式 |
JPH1065568A (ja) * | 1996-08-21 | 1998-03-06 | Oki Electric Ind Co Ltd | 無線装置 |
JPH10173547A (ja) * | 1996-12-11 | 1998-06-26 | Matsushita Electric Ind Co Ltd | 送信出力検出回路 |
JP3475037B2 (ja) * | 1997-03-14 | 2003-12-08 | 株式会社東芝 | 無線機 |
US6144650A (en) * | 1997-09-25 | 2000-11-07 | Matsushita Electric Industrial Co., Ltd. | Mobile communication system |
FI105611B (fi) * | 1998-03-13 | 2000-09-15 | Nokia Mobile Phones Ltd | Radiotajuusvahvistimet |
GB9811381D0 (en) | 1998-05-27 | 1998-07-22 | Nokia Mobile Phones Ltd | Predistortion control for power reduction |
GB9811382D0 (en) | 1998-05-27 | 1998-07-22 | Nokia Mobile Phones Ltd | A transmitter |
GB2339113B (en) | 1998-06-30 | 2003-05-21 | Nokia Mobile Phones Ltd | Data transmission in tdma system |
FI112741B (fi) | 1998-11-26 | 2003-12-31 | Nokia Corp | Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa |
US6356744B1 (en) | 1999-01-07 | 2002-03-12 | Uniden America Corporation | Power measurement circuit |
WO2001017298A1 (en) | 1999-09-02 | 2001-03-08 | Automated Business Companies | Communication and proximity authorization systems |
JP3381689B2 (ja) * | 1999-11-30 | 2003-03-04 | 日本電気株式会社 | 非線形歪み補償回路及びそれを用いた送信装置並びに移動通信機 |
JP2001230695A (ja) | 2000-02-16 | 2001-08-24 | Nec Corp | 無線機及びそれに使用する周波数変換方法 |
DE10020930B4 (de) * | 2000-04-28 | 2007-10-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Vorbehandlung eines unter Verwendung eines nichtlinearen Verstärkers mit vorgeschaltetem Bandpaßfilter zu übertragenden Signals |
US7409195B2 (en) * | 2000-09-08 | 2008-08-05 | Nebo Wireless, Llc | Wireless modem |
US6753734B2 (en) | 2001-06-06 | 2004-06-22 | Anadigics, Inc. | Multi-mode amplifier bias circuit |
US6842075B2 (en) * | 2001-06-06 | 2005-01-11 | Anadigics, Inc. | Gain block with stable internal bias from low-voltage power supply |
US7088958B2 (en) * | 2001-06-19 | 2006-08-08 | Intersil Americas Inc. | Remote power amplifier linearization |
DE10156026B4 (de) | 2001-11-15 | 2007-02-22 | Advanced Micro Devices, Inc., Sunnyvale | Komparatorschaltung sowie Verfahren zum Bestimmen eines Zeitintervalls |
JP2004072336A (ja) * | 2002-08-05 | 2004-03-04 | Samsung Electronics Co Ltd | 送信信号補償機能付き無線機 |
US20040087321A1 (en) * | 2002-11-06 | 2004-05-06 | Ernie Lin | Circuitry to establish a wireless communication link |
US7092684B2 (en) * | 2003-03-31 | 2006-08-15 | Motorola, Inc. | Method and apparatus for reducing interfering signals in a transmitter |
US20050163249A1 (en) * | 2004-01-27 | 2005-07-28 | Crestcom, Inc. | Predistortion circuit and method for compensating linear distortion in a digital RF communications transmitter |
US7430248B2 (en) * | 2004-01-27 | 2008-09-30 | Crestcom, Inc. | Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter |
US7469491B2 (en) | 2004-01-27 | 2008-12-30 | Crestcom, Inc. | Transmitter predistortion circuit and method therefor |
US7099399B2 (en) * | 2004-01-27 | 2006-08-29 | Crestcom, Inc. | Distortion-managed digital RF communications transmitter and method therefor |
US20070082617A1 (en) * | 2005-10-11 | 2007-04-12 | Crestcom, Inc. | Transceiver with isolation-filter compensation and method therefor |
FI20065339A0 (fi) * | 2006-05-18 | 2006-05-18 | Nokia Corp | Antennin sovitusmittaus ja vahvistuksen ohjaus |
US7724840B2 (en) * | 2006-12-19 | 2010-05-25 | Crestcom, Inc. | RF transmitter with predistortion and method therefor |
JP5254990B2 (ja) * | 2006-12-21 | 2013-08-07 | イセラ・カナダ・ユーエルシー | 無線送信器のための閉ループデジタル電力制御 |
US20080285640A1 (en) * | 2007-05-15 | 2008-11-20 | Crestcom, Inc. | RF Transmitter With Nonlinear Predistortion and Method Therefor |
US20090323856A1 (en) * | 2008-06-27 | 2009-12-31 | Crestcom, Inc. | Transmit-canceling transceiver responsive to heat signal and method therefor |
US9590668B1 (en) | 2015-11-30 | 2017-03-07 | NanoSemi Technologies | Digital compensator |
WO2018067969A1 (en) | 2016-10-07 | 2018-04-12 | Nanosemi, Inc. | Beam steering digital predistortion |
US11057004B2 (en) | 2017-02-25 | 2021-07-06 | Nanosemi, Inc. | Multiband digital predistorter |
US10141961B1 (en) | 2017-05-18 | 2018-11-27 | Nanosemi, Inc. | Passive intermodulation cancellation |
CN111066265A (zh) * | 2017-06-09 | 2020-04-24 | 纳诺塞米有限公司 | 子采样线性化系统 |
US10931318B2 (en) * | 2017-06-09 | 2021-02-23 | Nanosemi, Inc. | Subsampled linearization system |
US11115067B2 (en) | 2017-06-09 | 2021-09-07 | Nanosemi, Inc. | Multi-band linearization system |
US10581470B2 (en) | 2017-06-09 | 2020-03-03 | Nanosemi, Inc. | Linearization system |
US11323188B2 (en) | 2017-07-12 | 2022-05-03 | Nanosemi, Inc. | Monitoring systems and methods for radios implemented with digital predistortion |
US11303251B2 (en) | 2017-10-02 | 2022-04-12 | Nanosemi, Inc. | Digital predistortion adjustment based on determination of load condition characteristics |
US10644657B1 (en) | 2018-05-11 | 2020-05-05 | Nanosemi, Inc. | Multi-band digital compensator for a non-linear system |
JP2021523629A (ja) | 2018-05-11 | 2021-09-02 | ナノセミ, インク.Nanosemi, Inc. | 非線形システム用デジタル補償器 |
EP3804127A1 (en) | 2018-05-25 | 2021-04-14 | NanoSemi, Inc. | Digital predistortion in varying operating conditions |
US11863210B2 (en) | 2018-05-25 | 2024-01-02 | Nanosemi, Inc. | Linearization with level tracking |
US10931238B2 (en) | 2018-05-25 | 2021-02-23 | Nanosemi, Inc. | Linearization with envelope tracking or average power tracking |
US10992326B1 (en) | 2020-05-19 | 2021-04-27 | Nanosemi, Inc. | Buffer management for adaptive digital predistortion |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2213006A (en) * | 1937-05-22 | 1940-08-27 | Pittsburgh Plate Glass Co | Printing ink |
US4094224A (en) * | 1977-07-20 | 1978-06-13 | The United States Of America As Represented By The Secretary Of The Army | Thread protector and seal |
JPS6110327Y2 (fi) * | 1980-01-10 | 1986-04-03 | ||
FR2592256B1 (fr) * | 1985-12-20 | 1988-02-12 | Trt Telecom Radio Electr | Dispositif d'asservissement de la puissance d'emission d'un faisceau hertzien |
IE62238B1 (en) * | 1988-02-25 | 1995-01-11 | Dieter Stephan | Process and apparatus for producing blister packs |
JPH063886B2 (ja) * | 1988-06-14 | 1994-01-12 | 富士通株式会社 | 折り返し試験機 |
US5001776A (en) * | 1988-10-27 | 1991-03-19 | Motorola Inc. | Communication system with adaptive transceivers to control intermodulation distortion |
DE4001810C2 (de) * | 1990-01-23 | 1996-02-08 | Loewe Opta Gmbh | Energiesparschaltung in einer mobilen Vorrichtung zur drahtlosen Kommunikation |
FI92531C (fi) * | 1991-07-23 | 1994-11-25 | Nokia Mobile Phones Ltd | Suurtaajuusilmaisin laajalla dynamiikalla |
FI88981C (fi) * | 1991-09-09 | 1993-07-26 | Elektrobit Oy | Foerfarande foer automatisk reglering av saendningseffekten i en saendar-mottagarenhet laempad foer en koduppdelad multipelaotkomstomgivning som utnyttjar direktsekvensspridning |
FI89110C (fi) * | 1991-09-19 | 1993-08-10 | Nokia Mobile Phones Ltd | Effektdetektor |
FI89120C (fi) * | 1991-09-24 | 1993-08-10 | Nokia Mobile Phones Ltd | Effektinstaellning i en boosterfoerstaerkare |
GB2265269B (en) * | 1992-03-02 | 1995-08-30 | Motorola Ltd | Radio transmitter with linearization training sequence |
FI91201C (fi) * | 1992-06-05 | 1994-05-25 | Nokia Mobile Phones Ltd | Boosteri |
SE470455B (sv) * | 1992-08-24 | 1994-04-11 | Ericsson Telefon Ab L M | Anordning för kompensering av fasvridningen i återkopplingsslingan vid en kartesiskt återkopplad effektförstärkare |
JP3248785B2 (ja) * | 1992-12-14 | 2002-01-21 | 富士通株式会社 | 折り返し試験可能な無線式送受信装置 |
SE513813C2 (sv) * | 1993-02-05 | 2000-11-06 | Ericsson Ge Mobile Communicat | Anordning med SAW-filter för duplexöverföring |
FI930632A (fi) * | 1993-02-12 | 1994-08-13 | Nokia Mobile Phones Ltd | Kytkentä lähetinvahvistimen tehon säätämiseksi |
JP2503889B2 (ja) * | 1993-07-07 | 1996-06-05 | 日本電気株式会社 | 無線送受信装置の受信増幅器故障検出方式 |
US5432473A (en) * | 1993-07-14 | 1995-07-11 | Nokia Mobile Phones, Limited | Dual mode amplifier with bias control |
US5392464A (en) * | 1993-08-19 | 1995-02-21 | Nokia Mobile Phones Ltd. | Directional detector for power level control |
-
1994
- 1994-11-14 FI FI945344A patent/FI105865B/fi active
-
1995
- 1995-09-21 CA CA002158773A patent/CA2158773A1/en not_active Abandoned
- 1995-10-16 JP JP7267171A patent/JPH08223075A/ja active Pending
-
1997
- 1997-06-27 US US08/884,114 patent/US5819165A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5819165A (en) | 1998-10-06 |
FI105865B (fi) | 2000-10-13 |
CA2158773A1 (en) | 1996-05-15 |
FI945344A (fi) | 1996-05-15 |
JPH08223075A (ja) | 1996-08-30 |
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