GB2464962B - RF transmitter and method of operation - Google Patents

RF transmitter and method of operation

Info

Publication number
GB2464962B
GB2464962B GB0819989A GB0819989A GB2464962B GB 2464962 B GB2464962 B GB 2464962B GB 0819989 A GB0819989 A GB 0819989A GB 0819989 A GB0819989 A GB 0819989A GB 2464962 B GB2464962 B GB 2464962B
Authority
GB
United Kingdom
Prior art keywords
transmitter
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
GB0819989A
Other versions
GB0819989D0 (en
GB2464962A (en
Inventor
Lionid Kodner
Genadi Blay
Kalman Kaufman
Avishai Yacobi
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Priority to GB0819989A priority Critical patent/GB2464962B/en
Publication of GB0819989D0 publication Critical patent/GB0819989D0/en
Priority to PCT/US2009/061219 priority patent/WO2010051179A2/en
Publication of GB2464962A publication Critical patent/GB2464962A/en
Application granted granted Critical
Publication of GB2464962B publication Critical patent/GB2464962B/en
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
    • H04L27/366—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
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • 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
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0016—Stabilisation of local oscillators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0018—Arrangements at the transmitter end

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
GB0819989A 2008-10-31 2008-10-31 RF transmitter and method of operation Active GB2464962B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0819989A GB2464962B (en) 2008-10-31 2008-10-31 RF transmitter and method of operation
PCT/US2009/061219 WO2010051179A2 (en) 2008-10-31 2009-10-20 Rf transmitter and method of operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0819989A GB2464962B (en) 2008-10-31 2008-10-31 RF transmitter and method of operation

Publications (3)

Publication Number Publication Date
GB0819989D0 GB0819989D0 (en) 2008-12-10
GB2464962A GB2464962A (en) 2010-05-05
GB2464962B true GB2464962B (en) 2011-01-26

Family

ID=40138137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0819989A Active GB2464962B (en) 2008-10-31 2008-10-31 RF transmitter and method of operation

Country Status (2)

Country Link
GB (1) GB2464962B (en)
WO (1) WO2010051179A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103297380B (en) * 2013-05-15 2016-03-02 中国人民解放军国防科学技术大学 A kind of modulator approach of non-constant power Quadrature Phase Shift Keying signal and modulating device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030031271A1 (en) * 2001-08-07 2003-02-13 Bozeki John Janos Isolator eliminator for a linear transmitter
US20030058959A1 (en) * 2001-09-25 2003-03-27 Caly Networks. Combined digital adaptive pre-distorter and pre-equalizer system for modems in link hopping radio networks
US20070298734A1 (en) * 2006-06-04 2007-12-27 Wangmyong Woo Systems, Methods, and Apparatuses for Linear Polar Transmitters
US7382297B1 (en) * 2005-12-08 2008-06-03 Marvell International Ltd. Transmitter I/Q mismatch calibration for low IF design systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6717462B2 (en) * 2002-04-15 2004-04-06 The Boeing Company QPSK and 16 QAM self-generating synchronous direct downconversion demodulator
EA009411B1 (en) * 2004-03-30 2007-12-28 Модесат Коммуникационс Оу System and method for transmission and reception of qam signals at low signal to noise ratio
US7078981B2 (en) * 2004-07-27 2006-07-18 Lucent Technologies Inc. 16 QAM modulator and method of 16 QAM modulation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030031271A1 (en) * 2001-08-07 2003-02-13 Bozeki John Janos Isolator eliminator for a linear transmitter
US20030058959A1 (en) * 2001-09-25 2003-03-27 Caly Networks. Combined digital adaptive pre-distorter and pre-equalizer system for modems in link hopping radio networks
US7382297B1 (en) * 2005-12-08 2008-06-03 Marvell International Ltd. Transmitter I/Q mismatch calibration for low IF design systems
US20070298734A1 (en) * 2006-06-04 2007-12-27 Wangmyong Woo Systems, Methods, and Apparatuses for Linear Polar Transmitters

Also Published As

Publication number Publication date
GB0819989D0 (en) 2008-12-10
WO2010051179A3 (en) 2010-07-22
WO2010051179A2 (en) 2010-05-06
GB2464962A (en) 2010-05-05

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