DE60212618D1 - Hochqualitätshochfahren der sendeleistung in einem nachrichtensender - Google Patents

Hochqualitätshochfahren der sendeleistung in einem nachrichtensender

Info

Publication number
DE60212618D1
DE60212618D1 DE60212618T DE60212618T DE60212618D1 DE 60212618 D1 DE60212618 D1 DE 60212618D1 DE 60212618 T DE60212618 T DE 60212618T DE 60212618 T DE60212618 T DE 60212618T DE 60212618 D1 DE60212618 D1 DE 60212618D1
Authority
DE
Germany
Prior art keywords
modulator
condition
output power
high quality
transmission performance
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60212618T
Other languages
English (en)
Other versions
DE60212618T2 (de
Inventor
V Schell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
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
Publication of DE60212618D1 publication Critical patent/DE60212618D1/de
Application granted granted Critical
Publication of DE60212618T2 publication Critical patent/DE60212618T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
DE60212618T 2001-04-11 2002-04-11 Hochqualitätshochfahren der sendeleistung in einem nachrichtensender Expired - Lifetime DE60212618T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US833967 2001-04-11
US09/833,967 US6983025B2 (en) 2001-04-11 2001-04-11 High quality power ramping in a communications transmitter
PCT/US2002/011477 WO2002084897A2 (en) 2001-04-11 2002-04-11 High-quality power ramping in a communications transmitter

Publications (2)

Publication Number Publication Date
DE60212618D1 true DE60212618D1 (de) 2006-08-03
DE60212618T2 DE60212618T2 (de) 2007-05-31

Family

ID=25265757

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60228630T Expired - Lifetime DE60228630D1 (de) 2001-04-11 2002-04-11 Hochqualitätshochfahren der Sendeleistung in einem Nachrichtensender
DE60212618T Expired - Lifetime DE60212618T2 (de) 2001-04-11 2002-04-11 Hochqualitätshochfahren der sendeleistung in einem nachrichtensender

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60228630T Expired - Lifetime DE60228630D1 (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) ATE406700T1 (de)
AU (1) AU2002303317A1 (de)
DE (2) DE60228630D1 (de)
ES (1) ES2268033T3 (de)
TW (1) TWI229510B (de)
WO (1) WO2002084897A2 (de)

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US7158494B2 (en) 2001-10-22 2007-01-02 Matsushita Electric Industrial Co., Ltd. Multi-mode communications transmitter
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US8064850B2 (en) * 2002-05-01 2011-11-22 Dali Systems Co., Ltd. High efficiency linearization power amplifier for wireless communication
US6985704B2 (en) * 2002-05-01 2006-01-10 Dali Yang System and method for digital memorized predistortion for wireless communication
US8811917B2 (en) * 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
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
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
US20050140457A1 (en) * 2003-12-31 2005-06-30 Wj Communications, Inc. Linearized power amplifier modulator in an RFID reader
JP4518968B2 (ja) * 2004-01-26 2010-08-04 パナソニック株式会社 送信回路
US7383027B2 (en) 2004-01-26 2008-06-03 Matsushita Electric Industrial Co., Ltd. Transmission circuit
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
US8411793B2 (en) * 2004-08-27 2013-04-02 Texas Instruments Incorporated Digital amplitude modulation
US7929637B2 (en) * 2004-06-04 2011-04-19 Texas Instruments Incorporated Method and apparatus for digital amplitude and phase 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
US9026067B2 (en) * 2007-04-23 2015-05-05 Dali Systems Co. Ltd. Remotely reconfigurable power amplifier system and method
KR20100014339A (ko) 2006-12-26 2010-02-10 달리 시스템즈 씨오. 엘티디. 다중 채널 광대역 통신 시스템에서의 기저 대역 전치 왜곡 선형화를 위한 방법 및 시스템
US8274332B2 (en) 2007-04-23 2012-09-25 Dali Systems Co. Ltd. N-way Doherty distributed power amplifier with power tracking
EP2145385B1 (de) * 2007-04-23 2018-10-17 Dali Systems Co. Ltd N-fach verteilter doherty-leistungsverstärker
US8224266B2 (en) * 2007-08-30 2012-07-17 Dali Systems Co., Ltd. Power amplifier predistortion methods and apparatus using envelope and phase detector
CN102150361B (zh) * 2007-12-07 2016-11-09 大力系统有限公司 基带导出的射频数字预失真
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
US8682338B2 (en) 2010-09-14 2014-03-25 Dali Systems Co., Ltd. Remotely reconfigurable distributed antenna system and methods

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US4706262A (en) 1984-03-30 1987-11-10 Nec Corporation FSK or FM burst signal generating apparatus
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
FI93159C (fi) * 1992-09-23 1995-02-27 Nokia Mobile Phones Ltd Menetelmä radiopuhelimen radiotaajuusvahvistimen ohjaamiseksi ja menetelmän mukainen ohjausjärjestelmä
US5745527A (en) * 1993-02-16 1998-04-28 Motorola, Inc. Encoding method for constellation symbols of an RF transmitter
JP2571033B2 (ja) 1994-12-30 1997-01-16 日本電気株式会社 送信電力増幅回路の出力制御回路
WO1997016046A1 (en) * 1995-10-24 1997-05-01 General Instrument Corporation Variable length burst transmission over the physical layer of a multilayer transmission format
JPH09275424A (ja) 1996-04-04 1997-10-21 Matsushita Electric Ind Co Ltd 送信装置
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
US6148040A (en) * 1999-10-29 2000-11-14 The Aerospace Corporation Precoded gaussian minimum shift keying carrier tracking loop
US6792282B1 (en) * 2000-09-21 2004-09-14 Skyworks Solutions, Inc. Multiple step switched translation loop for power amplifier feedback control
US6633751B1 (en) * 2000-09-21 2003-10-14 Skyworks Solutions, Inc. System for a dual feedback 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
US6865235B2 (en) * 2001-03-06 2005-03-08 Agere Systems Inc. Multi-protocol modulator

Also Published As

Publication number Publication date
US20060003712A1 (en) 2006-01-05
EP1517452A2 (de) 2005-03-23
EP1386405B1 (de) 2006-06-21
WO2002084897A2 (en) 2002-10-24
ATE406700T1 (de) 2008-09-15
EP1386405A2 (de) 2004-02-04
DE60212618T2 (de) 2007-05-31
JP2005501440A (ja) 2005-01-13
EP1517452A3 (de) 2005-04-27
EP1517452B1 (de) 2008-08-27
DE60228630D1 (de) 2008-10-09
US20020176514A1 (en) 2002-11-28
AU2002303317A1 (en) 2002-10-28
JP4067409B2 (ja) 2008-03-26
US6983025B2 (en) 2006-01-03
ATE331343T1 (de) 2006-07-15
TWI229510B (en) 2005-03-11
US7227909B2 (en) 2007-06-05
ES2268033T3 (es) 2007-03-16
WO2002084897A3 (en) 2003-11-20

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD., OSAK, JP

8328 Change in the person/name/address of the agent

Representative=s name: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUSSER

8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: DR. GASSNER & PARTNER, 91052 ERLANGEN

8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP