SE0201070D0 - Multimodulation transmitter - Google Patents

Multimodulation transmitter

Info

Publication number
SE0201070D0
SE0201070D0 SE0201070A SE0201070A SE0201070D0 SE 0201070 D0 SE0201070 D0 SE 0201070D0 SE 0201070 A SE0201070 A SE 0201070A SE 0201070 A SE0201070 A SE 0201070A SE 0201070 D0 SE0201070 D0 SE 0201070D0
Authority
SE
Sweden
Prior art keywords
constant
envelope
tru
modulation
signals
Prior art date
Application number
SE0201070A
Other languages
English (en)
Other versions
SE521746C2 (sv
SE0201070L (sv
Inventor
Anders Granstroem
Gunnar Johansson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0201070A priority Critical patent/SE521746C2/sv
Publication of SE0201070D0 publication Critical patent/SE0201070D0/sv
Priority to CNB038077140A priority patent/CN100353675C/zh
Priority to US10/510,338 priority patent/US7469017B2/en
Priority to PCT/SE2003/000459 priority patent/WO2003088511A1/en
Priority to AU2003216004A priority patent/AU2003216004A1/en
Priority to BRPI0308326A priority patent/BRPI0308326B1/pt
Priority to RU2004132219/09A priority patent/RU2305896C2/ru
Publication of SE0201070L publication Critical patent/SE0201070L/sv
Publication of SE521746C2 publication Critical patent/SE521746C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • 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
    • H04B1/0483—Transmitters with multiple parallel paths

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
SE0201070A 2002-04-05 2002-04-05 Multimoduleringssändare SE521746C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE0201070A SE521746C2 (sv) 2002-04-05 2002-04-05 Multimoduleringssändare
CNB038077140A CN100353675C (zh) 2002-04-05 2003-03-19 多调制发射机
US10/510,338 US7469017B2 (en) 2002-04-05 2003-03-19 Multimodulation transmitter
PCT/SE2003/000459 WO2003088511A1 (en) 2002-04-05 2003-03-19 Multimodulation transmitter
AU2003216004A AU2003216004A1 (en) 2002-04-05 2003-03-19 Multimodulation transmitter
BRPI0308326A BRPI0308326B1 (pt) 2002-04-05 2003-03-19 arranjo de transmissor, e, método para gerar um sinal de transmissor no mesmo
RU2004132219/09A RU2305896C2 (ru) 2002-04-05 2003-03-19 Передатчик с множественной модуляцией

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0201070A SE521746C2 (sv) 2002-04-05 2002-04-05 Multimoduleringssändare

Publications (3)

Publication Number Publication Date
SE0201070D0 true SE0201070D0 (sv) 2002-04-05
SE0201070L SE0201070L (sv) 2003-10-06
SE521746C2 SE521746C2 (sv) 2003-12-02

Family

ID=20287532

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0201070A SE521746C2 (sv) 2002-04-05 2002-04-05 Multimoduleringssändare

Country Status (7)

Country Link
US (1) US7469017B2 (sv)
CN (1) CN100353675C (sv)
AU (1) AU2003216004A1 (sv)
BR (1) BRPI0308326B1 (sv)
RU (1) RU2305896C2 (sv)
SE (1) SE521746C2 (sv)
WO (1) WO2003088511A1 (sv)

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US7623833B2 (en) * 2006-04-13 2009-11-24 Harris Corporation Dual output digital exciter
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8170604B2 (en) * 2006-06-27 2012-05-01 Motorola Mobility, Inc. Method and system for managing communications for a multi-mode communications device
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US20080102874A1 (en) * 2006-10-28 2008-05-01 Motorola, Inc. Control of transmit power of a second transmitter based on antenna loading parameters measured on a first transmitter
US7881401B2 (en) * 2006-11-17 2011-02-01 Infineon Technologies Ag Transmitter arrangement and signal processing method
US8059702B2 (en) * 2006-11-30 2011-11-15 Motorola Mobility, Inc. Monitoring multiple modem transmission in a communication device
US8665778B2 (en) 2006-11-30 2014-03-04 Motorola Mobility Llc Monitoring and control of transmit power in a multi-modem wireless communication device
US8744519B2 (en) * 2006-12-14 2014-06-03 Motorola Mobility Llc Multimodal phone data session management enhancement that alleviates dual transmission problems
US7764935B2 (en) * 2006-12-21 2010-07-27 Nokia Corporation Phase and power calibration in active antennas
US7864882B2 (en) * 2006-12-30 2011-01-04 Motorola Mobility, Inc. Method and apparatus for generating constant envelope modulation using a quadrature transmitter
WO2008156800A1 (en) 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
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KR100916243B1 (ko) * 2007-08-20 2009-09-10 전자부품연구원 무선통신 시스템의 송신 장치 및 방법
KR100882881B1 (ko) * 2007-08-24 2009-02-10 전자부품연구원 무선통신 시스템의 송신 장치 및 방법
US7889811B2 (en) * 2007-09-06 2011-02-15 Samsung Electro-Mechanics Digital linear amplification with nonlinear components (LINC) transmitter
US8457565B2 (en) * 2007-09-27 2013-06-04 Kyocera Corporation Power amplifier circuit, and transmitter and wireless communication device using the same
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US9608675B2 (en) 2013-02-11 2017-03-28 Qualcomm Incorporated Power tracker for multiple transmit signals sent simultaneously
US20150080063A1 (en) 2013-09-17 2015-03-19 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time
JP6481618B2 (ja) * 2013-12-19 2019-03-13 日本電気株式会社 送信装置および送信方法
US9300265B2 (en) * 2014-02-27 2016-03-29 Htc Corporation Wireless communication device, method and power amplifier of the same
US9768731B2 (en) * 2014-07-23 2017-09-19 Eta Devices, Inc. Linearity and noise improvement for multilevel power amplifier systems using multi-pulse drain transitions
US9979421B2 (en) 2015-03-02 2018-05-22 Eta Devices, Inc. Digital pre-distortion (DPD) training and calibration system and related techniques
JP6755298B2 (ja) * 2015-07-06 2020-09-16 テレフオンアクチーボラゲット エルエム エリクソン（パブル） ワイヤレスシステムにおけるデータ送信のためのリソース割り当て
CN105403865B (zh) * 2015-10-23 2017-10-27 河海大学 多载波信号恒定包络调制方法
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US10069467B1 (en) * 2017-03-01 2018-09-04 Paulo Carvalho Apparatus for quantized linear amplification with nonlinear amplifiers
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EP3876420A1 (en) * 2020-03-02 2021-09-08 Nokia Solutions and Networks Oy Radio frequency transmission
CN111779728B (zh) * 2020-06-04 2022-04-19 南京航空航天大学 一种叠堆智能材料驱动电静液作动器的双向调速系统及其控制方法
US11627024B2 (en) * 2020-10-27 2023-04-11 Mixcomm, Inc. Wideband vector modulator phase shifter
US11575550B2 (en) * 2021-01-29 2023-02-07 Rockwell Collins, Inc. System and method for high-entropy gaussian minimum shift keying (HE-GMSK) modulation

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Also Published As

Publication number Publication date
BR0308326A (pt) 2004-12-28
RU2004132219A (ru) 2005-04-20
SE521746C2 (sv) 2003-12-02
US7469017B2 (en) 2008-12-23
RU2305896C2 (ru) 2007-09-10
SE0201070L (sv) 2003-10-06
CN100353675C (zh) 2007-12-05
US20050215206A1 (en) 2005-09-29
CN1647397A (zh) 2005-07-27
BRPI0308326B1 (pt) 2017-02-07
WO2003088511A1 (en) 2003-10-23
AU2003216004A1 (en) 2003-10-27

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