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DE602006010972D1 - Polarer Modulator und drahtlose Kommunikationsvorrichtung damit - Google Patents

Polarer Modulator und drahtlose Kommunikationsvorrichtung damit

Info

Publication number
DE602006010972D1
DE602006010972D1 DE602006010972T DE602006010972T DE602006010972D1 DE 602006010972 D1 DE602006010972 D1 DE 602006010972D1 DE 602006010972 T DE602006010972 T DE 602006010972T DE 602006010972 T DE602006010972 T DE 602006010972T DE 602006010972 D1 DE602006010972 D1 DE 602006010972D1
Authority
DE
Germany
Prior art keywords
wireless communication
communication device
polar modulator
modulator
polar
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.)
Active
Application number
DE602006010972T
Other languages
English (en)
Inventor
Shigeru Morimoto
Toru Matsuura
Hisashi Adachi
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
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of DE602006010972D1 publication Critical patent/DE602006010972D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
    • 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
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2623—Reduction thereof by clipping

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
DE602006010972T 2005-01-06 2006-01-06 Polarer Modulator und drahtlose Kommunikationsvorrichtung damit Active DE602006010972D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005001200 2005-01-06
PCT/JP2006/300322 WO2006073208A1 (en) 2005-01-06 2006-01-06 Polar modulator and wireless communication apparatus using the same

Publications (1)

Publication Number Publication Date
DE602006010972D1 true DE602006010972D1 (de) 2010-01-21

Family

ID=36218372

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006010972T Active DE602006010972D1 (de) 2005-01-06 2006-01-06 Polarer Modulator und drahtlose Kommunikationsvorrichtung damit

Country Status (6)

Country Link
US (1) US7634022B2 (de)
EP (1) EP1834464B1 (de)
JP (1) JP4874106B2 (de)
CN (1) CN100593932C (de)
DE (1) DE602006010972D1 (de)
WO (1) WO2006073208A1 (de)

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US9112452B1 (en) 2009-07-14 2015-08-18 Rf Micro Devices, Inc. High-efficiency power supply for a modulated load
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US8559873B2 (en) * 2009-11-20 2013-10-15 Qualcomm Incorporated Forward link signaling within a wireless power system
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US9431974B2 (en) 2010-04-19 2016-08-30 Qorvo Us, Inc. Pseudo-envelope following feedback delay compensation
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US8866549B2 (en) 2010-06-01 2014-10-21 Rf Micro Devices, Inc. Method of power amplifier calibration
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WO2012047738A1 (en) 2010-09-29 2012-04-12 Rf Micro Devices, Inc. SINGLE μC-BUCKBOOST CONVERTER WITH MULTIPLE REGULATED SUPPLY OUTPUTS
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US8624760B2 (en) 2011-02-07 2014-01-07 Rf Micro Devices, Inc. Apparatuses and methods for rate conversion and fractional delay calculation using a coefficient look up table
US9379667B2 (en) 2011-05-05 2016-06-28 Rf Micro Devices, Inc. Multiple power supply input parallel amplifier based envelope tracking
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US8760228B2 (en) 2011-06-24 2014-06-24 Rf Micro Devices, Inc. Differential power management and power amplifier architecture
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WO2013012787A2 (en) 2011-07-15 2013-01-24 Rf Micro Devices, Inc. Modified switching ripple for envelope tracking system
US8952710B2 (en) 2011-07-15 2015-02-10 Rf Micro Devices, Inc. Pulsed behavior modeling with steady state average conditions
US9263996B2 (en) 2011-07-20 2016-02-16 Rf Micro Devices, Inc. Quasi iso-gain supply voltage function for envelope tracking systems
US8624576B2 (en) 2011-08-17 2014-01-07 Rf Micro Devices, Inc. Charge-pump system for providing independent voltages
US8942652B2 (en) 2011-09-02 2015-01-27 Rf Micro Devices, Inc. Split VCC and common VCC power management architecture for envelope tracking
US8957728B2 (en) 2011-10-06 2015-02-17 Rf Micro Devices, Inc. Combined filter and transconductance amplifier
CN103988406B (zh) 2011-10-26 2017-03-01 Qorvo美国公司 射频(rf)开关转换器以及使用rf开关转换器的rf放大装置
US9024688B2 (en) 2011-10-26 2015-05-05 Rf Micro Devices, Inc. Dual parallel amplifier based DC-DC converter
CN103959189B (zh) 2011-10-26 2015-12-23 射频小型装置公司 基于电感的并行放大器相位补偿
US9484797B2 (en) 2011-10-26 2016-11-01 Qorvo Us, Inc. RF switching converter with ripple correction
US9250643B2 (en) 2011-11-30 2016-02-02 Rf Micro Devices, Inc. Using a switching signal delay to reduce noise from a switching power supply
US8975959B2 (en) 2011-11-30 2015-03-10 Rf Micro Devices, Inc. Monotonic conversion of RF power amplifier calibration data
US9515621B2 (en) 2011-11-30 2016-12-06 Qorvo Us, Inc. Multimode RF amplifier system
WO2013082384A1 (en) 2011-12-01 2013-06-06 Rf Micro Devices, Inc. Rf power converter
US9256234B2 (en) 2011-12-01 2016-02-09 Rf Micro Devices, Inc. Voltage offset loop for a switching controller
US9280163B2 (en) 2011-12-01 2016-03-08 Rf Micro Devices, Inc. Average power tracking controller
US9041365B2 (en) 2011-12-01 2015-05-26 Rf Micro Devices, Inc. Multiple mode RF power converter
US8947161B2 (en) 2011-12-01 2015-02-03 Rf Micro Devices, Inc. Linear amplifier power supply modulation for envelope tracking
US9494962B2 (en) 2011-12-02 2016-11-15 Rf Micro Devices, Inc. Phase reconfigurable switching power supply
US9813036B2 (en) 2011-12-16 2017-11-07 Qorvo Us, Inc. Dynamic loadline power amplifier with baseband linearization
US9298198B2 (en) 2011-12-28 2016-03-29 Rf Micro Devices, Inc. Noise reduction for envelope tracking
GB2498391B (en) * 2012-01-16 2018-11-21 Snaptrack Inc Pre-distortion in RF path in combination with shaping table in envelope path for envelope tracking amplifier
GB2498392B (en) * 2012-01-16 2016-01-13 Nujira Ltd Crest factor reduction applied to shaping table to increase power amplifier efficency of envelope tracking amplifier
US8981839B2 (en) 2012-06-11 2015-03-17 Rf Micro Devices, Inc. Power source multiplexer
WO2014018861A1 (en) 2012-07-26 2014-01-30 Rf Micro Devices, Inc. Programmable rf notch filter for envelope tracking
US8648657B1 (en) * 2012-08-13 2014-02-11 Broadcom Corporation Mobile device including a power amplifier with selectable voltage supply
US9225231B2 (en) 2012-09-14 2015-12-29 Rf Micro Devices, Inc. Open loop ripple cancellation circuit in a DC-DC converter
KR102039637B1 (ko) * 2012-09-26 2019-11-01 삼성전자주식회사 송신장치에서의 전력제어장치 및 방법
US9197256B2 (en) 2012-10-08 2015-11-24 Rf Micro Devices, Inc. Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal
WO2014062902A1 (en) 2012-10-18 2014-04-24 Rf Micro Devices, Inc Transitioning from envelope tracking to average power tracking
US9627975B2 (en) 2012-11-16 2017-04-18 Qorvo Us, Inc. Modulated power supply system and method with automatic transition between buck and boost modes
WO2014116933A2 (en) 2013-01-24 2014-07-31 Rf Micro Devices, Inc Communications based adjustments of an envelope tracking power supply
US9178472B2 (en) 2013-02-08 2015-11-03 Rf Micro Devices, Inc. Bi-directional power supply signal based linear amplifier
US9225362B2 (en) * 2013-03-14 2015-12-29 Quantance, Inc. Power supply
US9203353B2 (en) 2013-03-14 2015-12-01 Rf Micro Devices, Inc. Noise conversion gain limited RF power amplifier
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US9479118B2 (en) 2013-04-16 2016-10-25 Rf Micro Devices, Inc. Dual instantaneous envelope tracking
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US9614476B2 (en) 2014-07-01 2017-04-04 Qorvo Us, Inc. Group delay calibration of RF envelope tracking
US9843294B2 (en) 2015-07-01 2017-12-12 Qorvo Us, Inc. Dual-mode envelope tracking power converter circuitry
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US9973147B2 (en) 2016-05-10 2018-05-15 Qorvo Us, Inc. Envelope tracking power management circuit
US10056864B2 (en) * 2017-01-12 2018-08-21 Qualcomm Incorporated Efficient wideband envelope tracking power amplifier
US10476437B2 (en) 2018-03-15 2019-11-12 Qorvo Us, Inc. Multimode voltage tracker circuit
CN111614588B (zh) * 2020-05-21 2023-05-30 山东浪潮科学研究院有限公司 一种信号调制方法、装置、设备及计算机可读存储介质

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JP4167605B2 (ja) * 2004-02-18 2008-10-15 埼玉日本電気株式会社 電力増幅器

Also Published As

Publication number Publication date
CN1943200A (zh) 2007-04-04
CN100593932C (zh) 2010-03-10
WO2006073208A1 (en) 2006-07-13
EP1834464A1 (de) 2007-09-19
JP2008527759A (ja) 2008-07-24
US7634022B2 (en) 2009-12-15
EP1834464B1 (de) 2009-12-09
US20070205843A1 (en) 2007-09-06
JP4874106B2 (ja) 2012-02-15

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