ATE331343T1 - Hochqualitätshochfahren der sendeleistung in einem nachrichtensender - Google Patents

Hochqualitätshochfahren der sendeleistung in einem nachrichtensender

Info

Publication number
ATE331343T1
ATE331343T1 AT02731336T AT02731336T ATE331343T1 AT E331343 T1 ATE331343 T1 AT E331343T1 AT 02731336 T AT02731336 T AT 02731336T AT 02731336 T AT02731336 T AT 02731336T AT E331343 T1 ATE331343 T1 AT E331343T1
Authority
AT
Austria
Prior art keywords
modulator
condition
output power
transmitting power
information
Prior art date
Application number
AT02731336T
Other languages
English (en)
Inventor
Stephan V Schell
Original Assignee
Tropian Inc
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 Tropian Inc filed Critical Tropian Inc
Application granted granted Critical
Publication of ATE331343T1 publication Critical patent/ATE331343T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • 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
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
AT02731336T 2001-04-11 2002-04-11 Hochqualitätshochfahren der sendeleistung in einem nachrichtensender ATE331343T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/833,967 US6983025B2 (en) 2001-04-11 2001-04-11 High quality power ramping in a communications transmitter

Publications (1)

Publication Number Publication Date
ATE331343T1 true ATE331343T1 (de) 2006-07-15

Family

ID=25265757

Family Applications (2)

Application Number Title Priority Date Filing Date
AT02731336T ATE331343T1 (de) 2001-04-11 2002-04-11 Hochqualitätshochfahren der sendeleistung in einem nachrichtensender
AT04106195T ATE406700T1 (de) 2001-04-11 2002-04-11 Hochqualitätshochfahren der sendeleistung in einem nachrichtensender

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT04106195T ATE406700T1 (de) 2001-04-11 2002-04-11 Hochqualitätshochfahren der sendeleistung in einem nachrichtensender

Country Status (9)

Country Link
US (2) US6983025B2 (de)
EP (2) EP1517452B1 (de)
JP (1) JP4067409B2 (de)
AT (2) ATE331343T1 (de)
AU (1) AU2002303317A1 (de)
DE (2) DE60212618T2 (de)
ES (1) ES2268033T3 (de)
TW (1) TWI229510B (de)
WO (1) WO2002084897A2 (de)

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US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US6985704B2 (en) 2002-05-01 2006-01-10 Dali Yang System and method for digital memorized predistortion for wireless communication
US8472897B1 (en) 2006-12-22 2013-06-25 Dali Systems Co. Ltd. Power amplifier predistortion methods and apparatus
JP4230238B2 (ja) * 2003-02-06 2009-02-25 パナソニック株式会社 送信装置及びその調整方法
US7126999B2 (en) * 2003-08-11 2006-10-24 Telefonaktiebolaget Lm Ericsson (Publ) Pseudo-polar modulation for radio transmitters
US20050140457A1 (en) * 2003-12-31 2005-06-30 Wj Communications, Inc. Linearized power amplifier modulator in an RFID reader
WO2005065423A2 (en) * 2003-12-31 2005-07-21 Wj Communications, Inc. Multiprotocol rfid reader
US7197279B2 (en) * 2003-12-31 2007-03-27 Wj Communications, Inc. Multiprotocol RFID reader
US7383027B2 (en) 2004-01-26 2008-06-03 Matsushita Electric Industrial Co., Ltd. Transmission circuit
JP4518968B2 (ja) * 2004-01-26 2010-08-04 パナソニック株式会社 送信回路
JP4583979B2 (ja) * 2004-03-09 2010-11-17 パナソニック株式会社 送信装置及び無線通信装置
US8204158B2 (en) * 2004-05-12 2012-06-19 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus to reduce undesired amplitude modulation
US7929637B2 (en) * 2004-06-04 2011-04-19 Texas Instruments Incorporated Method and apparatus for digital amplitude and phase modulation
US8411793B2 (en) 2004-08-27 2013-04-02 Texas Instruments Incorporated Digital amplitude modulation
US7983632B2 (en) * 2004-09-24 2011-07-19 Broadcom Corporation Feedback control loop for amplitude modulation in a polar transmitter with a translational loop
US7546089B2 (en) * 2004-12-23 2009-06-09 Triquint Semiconductor, Inc. Switchable directional coupler for use with RF devices
US20060168289A1 (en) * 2004-12-30 2006-07-27 Nokia Corporation System and method for signaling clients for multimedia streaming
JP2008547363A (ja) * 2005-07-04 2008-12-25 フリースケール セミコンダクター インコーポレイテッド マルチモード送信器におけるプライミングされたｆｉｒフィルタを用いたランピング
GB2428543B (en) * 2005-07-20 2007-11-07 Motorola Inc Method and apparatus for power control of an air interface transmission
US7539462B2 (en) * 2005-08-09 2009-05-26 Freescale Semiconductor, Inc. Configurable multi-mode modulation system and transmitter
US7483680B2 (en) 2005-12-20 2009-01-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for modulation path delay mismatch compensation in a polar modulation transmitter
US20070223621A1 (en) * 2006-03-21 2007-09-27 M/A-Com, Inc. Method and apparatus for signal power ramp-up in a communication transmission
CN101479956B (zh) * 2006-04-28 2013-07-31 大力系统有限公司 用于无线通信的高效率线性化功率放大器
US9026067B2 (en) * 2007-04-23 2015-05-05 Dali Systems Co. Ltd. Remotely reconfigurable power amplifier system and method
CN104202279A (zh) 2006-12-26 2014-12-10 大力系统有限公司 用于多信道宽带通信系统中的基带预失真线性化的方法和系统
KR101484796B1 (ko) * 2007-04-23 2015-01-20 달리 시스템즈 씨오. 엘티디. Ｎ-웨이 도허티 분산형 전력 증폭기
US8274332B2 (en) 2007-04-23 2012-09-25 Dali Systems Co. Ltd. N-way Doherty distributed power amplifier with power tracking
US8224266B2 (en) * 2007-08-30 2012-07-17 Dali Systems Co., Ltd. Power amplifier predistortion methods and apparatus using envelope and phase detector
KR101669173B1 (ko) * 2007-12-07 2016-10-25 달리 시스템즈 씨오. 엘티디. 베이스밴드-도출형 광대역 ｒｆ 디지털 전치 왜곡 시스템
US8750091B2 (en) * 2008-03-31 2014-06-10 Qualcomm Incorporated Apparatus and methods for update of symbol information
CN102045754B (zh) * 2009-10-22 2014-04-30 华为技术有限公司 发射机、基站设备和对齐发射机信号的方法
JP2011124754A (ja) * 2009-12-10 2011-06-23 Panasonic Corp 送信パワー制御方法及び送信パワー制御装置
JP2011124858A (ja) * 2009-12-11 2011-06-23 Panasonic Corp 送信パワー制御方法及び送信パワー制御装置
US20110293034A1 (en) * 2010-06-01 2011-12-01 Ahmadreza Rofougaran Method and system for minimizing power consumption in a communication system
CN105141513B (zh) 2010-09-14 2018-12-14 大力系统有限公司 操作分布式天线系统的方法和在该系统中进行通信的方法

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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
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IL124183A (en) * 1995-10-24 2001-07-24 Gen Instrument Corp Data transmission in varying length bursts on the physical layer of multilayer data communication
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US5847602A (en) * 1997-03-03 1998-12-08 Hewlett-Packard Company Method and apparatus for linearizing an efficient class D/E power amplifier using delta modulation
DE69829137T2 (de) 1997-07-30 2006-02-09 Nec Corp. Kontrol von Störemissionen während Übergangszustände
JP3169002B2 (ja) * 1998-12-18 2001-05-21 日本電気株式会社 送信出力制御回路
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US6865235B2 (en) * 2001-03-06 2005-03-08 Agere Systems Inc. Multi-protocol modulator

Also Published As

Publication number Publication date
ES2268033T3 (es) 2007-03-16
EP1517452A3 (de) 2005-04-27
AU2002303317A1 (en) 2002-10-28
WO2002084897A3 (en) 2003-11-20
EP1386405A2 (de) 2004-02-04
DE60228630D1 (de) 2008-10-09
WO2002084897A2 (en) 2002-10-24
EP1517452B1 (de) 2008-08-27
ATE406700T1 (de) 2008-09-15
TWI229510B (en) 2005-03-11
DE60212618T2 (de) 2007-05-31
JP2005501440A (ja) 2005-01-13
US6983025B2 (en) 2006-01-03
US7227909B2 (en) 2007-06-05
JP4067409B2 (ja) 2008-03-26
EP1386405B1 (de) 2006-06-21
US20020176514A1 (en) 2002-11-28
US20060003712A1 (en) 2006-01-05
EP1517452A2 (de) 2005-03-23
DE60212618D1 (de) 2006-08-03

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