ATE403269T1 - Verfahren zur optimierung des wirkungsgrads eines verstärkers für mehrträgersignale - Google Patents

Verfahren zur optimierung des wirkungsgrads eines verstärkers für mehrträgersignale

Info

Publication number
ATE403269T1
ATE403269T1 AT02292777T AT02292777T ATE403269T1 AT E403269 T1 ATE403269 T1 AT E403269T1 AT 02292777 T AT02292777 T AT 02292777T AT 02292777 T AT02292777 T AT 02292777T AT E403269 T1 ATE403269 T1 AT E403269T1
Authority
AT
Austria
Prior art keywords
amplifier
power
clamping
functioning
carriers
Prior art date
Application number
AT02292777T
Other languages
English (en)
Inventor
Luc Dartois
Original Assignee
Alcatel Lucent
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcatel Lucent filed Critical Alcatel Lucent
Application granted granted Critical
Publication of ATE403269T1 publication Critical patent/ATE403269T1/de

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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
    • 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
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • 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
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • 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)
  • Amplifiers (AREA)
  • Transmitters (AREA)
AT02292777T 2001-11-12 2002-11-07 Verfahren zur optimierung des wirkungsgrads eines verstärkers für mehrträgersignale ATE403269T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0114603A FR2832269B1 (fr) 2001-11-12 2001-11-12 Procede d'optimisation du rendement d'un amplificateur destine a amplifier simultanement plusieurs porteuses modulees

Publications (1)

Publication Number Publication Date
ATE403269T1 true ATE403269T1 (de) 2008-08-15

Family

ID=8869300

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02292777T ATE403269T1 (de) 2001-11-12 2002-11-07 Verfahren zur optimierung des wirkungsgrads eines verstärkers für mehrträgersignale

Country Status (7)

Country Link
US (1) US20030092462A1 (de)
EP (1) EP1311062B1 (de)
JP (1) JP2003198264A (de)
CN (1) CN1419352A (de)
AT (1) ATE403269T1 (de)
DE (1) DE60227901D1 (de)
FR (1) FR2832269B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8422434B2 (en) 2003-02-18 2013-04-16 Qualcomm Incorporated Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
US7899419B2 (en) 2004-01-16 2011-03-01 Research In Motion Limited Method and apparatus for compensating code channel power in a transmitter
US7333784B2 (en) * 2004-01-16 2008-02-19 Research In Motion Limited Method and apparatus for compensating code channel power in a transmitter
FI20065339A0 (fi) * 2006-05-18 2006-05-18 Nokia Corp Antennin sovitusmittaus ja vahvistuksen ohjaus
US8374282B2 (en) * 2008-07-24 2013-02-12 Motorola Mobility Llc Method and apparatus for improving digital predistortion correction with amplifier device biasing
US8736365B2 (en) * 2010-11-01 2014-05-27 Empower RF Systems, Inc. Broadband linearization module and method
AP2016009367A0 (en) * 2014-02-17 2016-08-31 Cortex Systems Mobile interconnection device
US10652833B2 (en) * 2018-07-05 2020-05-12 Qualcomm Incorporated Evaluating radio frequency (RF) exposure in real time

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442407A (en) * 1982-06-11 1984-04-10 The United States Of America As Represented By The Secretary Of The Army Two loop automatic level control for power amplifier
FI105511B (fi) * 1996-10-29 2000-08-31 Nokia Networks Oy Menetelmä usean signaalin yhdistämiseksi ja tukiasema
US6049707A (en) * 1997-09-02 2000-04-11 Motorola, Inc. Broadband multicarrier amplifier system and method using envelope elimination and restoration
US6154659A (en) * 1997-12-24 2000-11-28 Nortel Networks Limited Fast forward link power control in a code division multiple access system
US6175270B1 (en) * 1998-03-05 2001-01-16 Lucent Technologies Inc. Method and apparatus for tailored distortion of a signal prior to amplification to reduce clipping
US6236864B1 (en) * 1998-11-27 2001-05-22 Nortel Networks Limited CDMA transmit peak power reduction
US6504862B1 (en) * 1999-06-02 2003-01-07 Nortel Networks Limited Method and apparatus for reducing the ratio of peak to average power in a Gaussian signal including a CDMA signal
FR2832275B1 (fr) * 2001-11-12 2004-11-19 Evolium Sas Procede d'ecretage de signaux a plusieurs porteuses transmis par un meme amplificateur non-lineaire
FR2832569B1 (fr) * 2001-11-22 2007-04-27 Evolium Sas Procede de transmission de communications dans un systeme de telecommunication de type cellulaire utilisant des bandes de frequences porteuses adjacentes

Also Published As

Publication number Publication date
EP1311062A2 (de) 2003-05-14
FR2832269B1 (fr) 2004-11-19
EP1311062B1 (de) 2008-07-30
CN1419352A (zh) 2003-05-21
FR2832269A1 (fr) 2003-05-16
JP2003198264A (ja) 2003-07-11
EP1311062A3 (de) 2004-09-08
DE60227901D1 (de) 2008-09-11
US20030092462A1 (en) 2003-05-15

Similar Documents

Publication Publication Date Title
CA2505189C (en) Systems and methods of dynamic bias switching for radio frequency power amplifiers
KR101105926B1 (ko) 무선 통신 디바이스에서 신호 구성 기반 송신기 조정
US6735419B2 (en) High efficiency wideband linear wireless power amplifier
CN101351961B (zh) 高效复合放大器
US20050088226A1 (en) Switching amplifier architecture
CA2324846C (en) System and method for producing an amplified signal
KR100786456B1 (ko) 피드 포워드 방식 왜곡 보상 증폭 장치 및 어댑티브프리디스토션 방식 왜곡 보상 증폭 장치
KR19980086858A (ko) 고 효율 전력 증폭기
AU4756699A (en) Method and apparatus for improving efficiency of high-power linear amplifier
KR100281622B1 (ko) 전치-후치 보상 증폭기
ATE403269T1 (de) Verfahren zur optimierung des wirkungsgrads eines verstärkers für mehrträgersignale
JP3139395B2 (ja) 送信装置
CN101461132B (zh) 具有负载补偿的高效率线性功率放大器
GB2377569A (en) Method and apparatus for optimum biasing of cascaded mosfet radio-frequency devices
CN100576723C (zh) 用于预调理电信号的方法和装置
US20020180522A1 (en) Transmitter with a sliding compression point
JP2016119664A (ja) 動的電力供給及びデジタルプリディストーションによる効率的なマルチチャネルｓａｔｃｏｍのためのシステム及び方法
JP2004517541A (ja) 高効率線形電力増幅用多重化入力エンベロープ復元方式
Gouba et al. Joint study of PAPR reduction and digital predistortion
Staudinger A consideration of phase distortion in linear power amplification of QPSK and two tone sinusoidal stimuli
Rahman et al. Switched mode power amplifier linearization using digital predistortion
US7050770B1 (en) Linearized amplifier having a bypass circuit
KR20030004005A (ko) 기지국 증폭 장치
Tikhonov et al. Сomparison of nonlinear distortion compensation methods in power amplifiers
Li et al. Digital predistortion linearizer for multicarrier spread spectrum

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties