SE9904860L - Effektkarakteristik hos en radiosändare - Google Patents
Effektkarakteristik hos en radiosändareInfo
- Publication number
- SE9904860L SE9904860L SE9904860A SE9904860A SE9904860L SE 9904860 L SE9904860 L SE 9904860L SE 9904860 A SE9904860 A SE 9904860A SE 9904860 A SE9904860 A SE 9904860A SE 9904860 L SE9904860 L SE 9904860L
- Authority
- SE
- Sweden
- Prior art keywords
- output power
- ramping
- period
- radio transmitter
- power characteristics
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001413 cellular effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/001—Digital control of analog signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G2201/00—Indexing scheme relating to subclass H03G
- H03G2201/70—Gain control characterized by the gain control parameter
- H03G2201/708—Gain control characterized by the gain control parameter being temperature
-
- 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
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
-
- 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
- Transmitters (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9904860A SE9904860L (sv) | 1999-12-30 | 1999-12-30 | Effektkarakteristik hos en radiosändare |
AU27197/01A AU2719701A (en) | 1999-12-30 | 2000-12-29 | Power characteristic of a radio transmitter |
US10/169,141 US6868279B2 (en) | 1999-12-30 | 2000-12-29 | Power characteristic of a radio transmitter |
PCT/SE2000/002695 WO2001050632A1 (en) | 1999-12-30 | 2000-12-29 | Power characteristic of a radio transmitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9904860A SE9904860L (sv) | 1999-12-30 | 1999-12-30 | Effektkarakteristik hos en radiosändare |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9904860D0 SE9904860D0 (sv) | 1999-12-30 |
SE9904860L true SE9904860L (sv) | 2001-07-01 |
Family
ID=20418375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9904860A SE9904860L (sv) | 1999-12-30 | 1999-12-30 | Effektkarakteristik hos en radiosändare |
Country Status (4)
Country | Link |
---|---|
US (1) | US6868279B2 (sv) |
AU (1) | AU2719701A (sv) |
SE (1) | SE9904860L (sv) |
WO (1) | WO2001050632A1 (sv) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7471935B2 (en) * | 2000-10-23 | 2008-12-30 | Intel Corporation | Automatic level control |
WO2002065724A1 (fr) * | 2001-02-13 | 2002-08-22 | Mitsubishi Denki Kabushiki Kaisha | Procede de modulation de niveaux multiples, procede de demodulation de niveaux multiples, et procede de modulation/demodulation de niveaux multiples |
EP1317064A1 (en) * | 2001-11-28 | 2003-06-04 | TTPCOM Limited | Transmitter RF power control |
JP3712985B2 (ja) * | 2002-02-22 | 2005-11-02 | アンリツ株式会社 | 直交変調器のキャリアリーク調整点検出方法、そのキャリアリーク調整方法、及び直交変調装置 |
FI20020990A (sv) | 2002-05-27 | 2003-11-28 | Nokia Corp | Förfarande för reglering av signaleffekt i en sändare i ett radiosystem och en sändare i ett radiosystem |
EP1401098B1 (en) * | 2002-09-11 | 2008-10-15 | Palm, Inc. | Method and system for power control in radio transceivers and transmitters |
US7289775B1 (en) * | 2003-03-06 | 2007-10-30 | Rf Micro Devices, Inc. | Method for transmit power control |
KR100604823B1 (ko) * | 2003-07-11 | 2006-07-26 | 삼성전자주식회사 | Gsm과 gprs 송신기의 전력 램핑 제어기 및 그 제어방법 |
US7522892B2 (en) * | 2003-12-22 | 2009-04-21 | Black Sand Technologies, Inc. | Power amplifier with serial interface and associated methods |
US7502601B2 (en) * | 2003-12-22 | 2009-03-10 | Black Sand Technologies, Inc. | Power amplifier with digital power control and associated methods |
US20050163255A1 (en) * | 2004-01-22 | 2005-07-28 | Broadcom Corporation | System and method for simplifying analog processing in a transmitter |
DE102004019336A1 (de) * | 2004-04-21 | 2005-11-10 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren und Schaltungsanordnung zur Vermeidung oder zumindest zur Reduzierung von Störsignalen beim Abschalten einer Spannungsabgabeschaltung, insbesondere eines Hausgerätes |
EP1508967A1 (en) * | 2004-05-28 | 2005-02-23 | Siemens Aktiengesellschaft | A power amplifier module and a mobile terminal |
US7167045B1 (en) | 2004-06-07 | 2007-01-23 | Marvell International Ltd. | System and method for modifying output power of an information communication system |
US7693491B2 (en) * | 2004-11-30 | 2010-04-06 | Broadcom Corporation | Method and system for transmitter output power compensation |
US7606538B2 (en) * | 2006-07-14 | 2009-10-20 | Infineon Technologies Ag | Mixer circuit and method |
US7643802B2 (en) * | 2006-07-25 | 2010-01-05 | Infineon Technologies Ag | Mixer circuit and method for reducing an up-conversion mixer leakage |
US7974596B2 (en) * | 2006-09-22 | 2011-07-05 | Silicon Laboratories Inc. | Power control scheme for a power amplifier |
US7830220B2 (en) * | 2006-09-26 | 2010-11-09 | Infineon Technologies Ag | Modulator arrangement and method for signal modulation |
EP2102990B1 (en) * | 2006-12-21 | 2014-05-07 | NVIDIA Technology UK Limited | Edge power ramp using logarithmic resistor attenuator |
US8204460B2 (en) * | 2007-08-08 | 2012-06-19 | Qualcomm Incorporated | Method and system for precise transmit power adjustment in wireless communication systems |
ATE534187T1 (de) * | 2007-11-23 | 2011-12-15 | St Ericsson Sa | Amplitudenmodulationssteuerung für polaren sender mit grober und feiner leistungssteuerung |
US8315581B2 (en) * | 2008-09-18 | 2012-11-20 | Intel Mobile Communications GmbH | Transmitter with hybrid closed loop power control |
US8422969B2 (en) * | 2010-08-20 | 2013-04-16 | Microelectronics Technology Inc. | Radio frequency transceiver |
WO2012075436A2 (en) | 2010-12-03 | 2012-06-07 | Skyworks Solutions, Inc. | Systems and methods for power control in a multiple standard mobile transmitter |
US9197254B2 (en) | 2011-01-21 | 2015-11-24 | Freescale Semiconductor, Inc. | Transmitter and method of operating a transmitter |
US8471629B2 (en) | 2011-06-30 | 2013-06-25 | Silicon Laboratories Inc | Providing automatic power control for a power amplifier |
CA2814303A1 (en) | 2013-04-26 | 2014-10-26 | Cellphone-Mate, Inc. | Apparatus and methods for radio frequency signal boosters |
US9923529B2 (en) | 2016-02-03 | 2018-03-20 | Samsung Electronics Co., Ltd | Customizable ramp-up and ramp-down amplitude profiles for a digital power amplifier (DPA) based transmitter |
JP7537667B2 (ja) | 2020-01-30 | 2024-08-21 | 国立研究開発法人宇宙航空研究開発機構 | 増幅装置、送受信システム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8826918D0 (en) * | 1988-11-17 | 1988-12-21 | Motorola Inc | Power amplifier for radio frequency signal |
JP2800500B2 (ja) | 1991-10-01 | 1998-09-21 | 松下電器産業株式会社 | バースト送信出力制御回路 |
US5282226A (en) * | 1992-04-27 | 1994-01-25 | Hughes Aircraft Company | System and method for transmission of bursts of digital information |
US5940382A (en) | 1996-06-27 | 1999-08-17 | Interdigital Technology Corporation | Virtual locating of a fixed subscriber unit to reduce re-acquisition time |
US5809017A (en) * | 1995-12-19 | 1998-09-15 | Telefonaktiebolaget Lm Ericsson | Method of minimizing undersirable RF emissions within a TDMA system |
US6169886B1 (en) * | 1998-11-02 | 2001-01-02 | Motorola, Inc. | Power amplifier control according to a delayed waveform suitable for use in a communication device |
FI107478B (sv) * | 1999-12-03 | 2001-08-15 | Nokia Networks Oy | Digital rampgenerator med uteffektkontroll |
US6795712B1 (en) * | 2000-09-20 | 2004-09-21 | Skyworks Solutions, Inc. | System for allowing a TDMA/CDMA portable transceiver to operate with closed loop power control |
US6792282B1 (en) * | 2000-09-21 | 2004-09-14 | Skyworks Solutions, Inc. | Multiple step switched translation loop for power amplifier feedback control |
US6801784B1 (en) * | 2000-11-02 | 2004-10-05 | Skyworks Solutions, Inc. | Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier |
-
1999
- 1999-12-30 SE SE9904860A patent/SE9904860L/sv not_active Application Discontinuation
-
2000
- 2000-12-29 AU AU27197/01A patent/AU2719701A/en not_active Abandoned
- 2000-12-29 WO PCT/SE2000/002695 patent/WO2001050632A1/en active Application Filing
- 2000-12-29 US US10/169,141 patent/US6868279B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2001050632A1 (en) | 2001-07-12 |
SE9904860D0 (sv) | 1999-12-30 |
US20030040290A1 (en) | 2003-02-27 |
AU2719701A (en) | 2001-07-16 |
US6868279B2 (en) | 2005-03-15 |
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Legal Events
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NAV | Patent application has lapsed |
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