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GB2455066B - Mobile telecommunications device and method of operation - Google Patents

Mobile telecommunications device and method of operation

Info

Publication number
GB2455066B
GB2455066B GB0722428A GB0722428A GB2455066B GB 2455066 B GB2455066 B GB 2455066B GB 0722428 A GB0722428 A GB 0722428A GB 0722428 A GB0722428 A GB 0722428A GB 2455066 B GB2455066 B GB 2455066B
Authority
GB
United Kingdom
Prior art keywords
mobile telecommunications
telecommunications device
mobile
telecommunications
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 - Fee Related
Application number
GB0722428A
Other versions
GB2455066A (en
GB0722428D0 (en
Inventor
Surinder Singh Thind
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to GB0722428A priority Critical patent/GB2455066B/en
Publication of GB0722428D0 publication Critical patent/GB0722428D0/en
Publication of GB2455066A publication Critical patent/GB2455066A/en
Application granted granted Critical
Publication of GB2455066B publication Critical patent/GB2455066B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/52—Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/198—A hybrid coupler being used as coupling circuit between stages of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/435—A peak detection being used in a signal measuring circuit in a controlling circuit of an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
GB0722428A 2007-11-15 2007-11-15 Mobile telecommunications device and method of operation Expired - Fee Related GB2455066B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0722428A GB2455066B (en) 2007-11-15 2007-11-15 Mobile telecommunications device and method of operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0722428A GB2455066B (en) 2007-11-15 2007-11-15 Mobile telecommunications device and method of operation

Publications (3)

Publication Number Publication Date
GB0722428D0 GB0722428D0 (en) 2007-12-27
GB2455066A GB2455066A (en) 2009-06-03
GB2455066B true GB2455066B (en) 2011-08-24

Family

ID=38896357

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0722428A Expired - Fee Related GB2455066B (en) 2007-11-15 2007-11-15 Mobile telecommunications device and method of operation

Country Status (1)

Country Link
GB (1) GB2455066B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101605388A (en) 2009-07-09 2009-12-16 中兴通讯股份有限公司 A kind of circuit and method that reduces radio-frequency power consumption of mobile phone
GB2479579B (en) * 2010-04-15 2017-12-06 Snaptrack Inc Timing alignment for modulated supply
TW201310894A (en) * 2011-08-19 2013-03-01 Chief Land Electronic Co Ltd Power generating system
CN104918311B (en) * 2014-03-14 2019-01-25 华为技术有限公司 Poewr control method and device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000055968A1 (en) * 1999-03-12 2000-09-21 Nokia Networks Oy Power amplifier unit
WO2002082633A2 (en) * 2001-03-21 2002-10-17 Ericsson Inc. System and method for current-mode amplitude modulation
WO2003056698A2 (en) * 2001-12-24 2003-07-10 Koninklijke Philips Electronics N.V. Power amplifier
WO2004001957A1 (en) * 2002-06-25 2003-12-31 Nortel Networks Limited Improved power amplifier configuration
WO2005020430A2 (en) * 2003-08-11 2005-03-03 Telefonaktiebolaget L.M. Ericsson (Publ) Pseudo-polar modulation for radio transmitters
EP1569330A1 (en) * 2004-02-20 2005-08-31 Research In Motion Limited Method and apparatus for improving power amplifier efficience in wireless communication systems having high peak to average power ratios
US20050242875A1 (en) * 2004-03-19 2005-11-03 Mark Gurvich High efficiency linear amplifier employing dynamically controlled back off

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000055968A1 (en) * 1999-03-12 2000-09-21 Nokia Networks Oy Power amplifier unit
WO2002082633A2 (en) * 2001-03-21 2002-10-17 Ericsson Inc. System and method for current-mode amplitude modulation
WO2003056698A2 (en) * 2001-12-24 2003-07-10 Koninklijke Philips Electronics N.V. Power amplifier
WO2004001957A1 (en) * 2002-06-25 2003-12-31 Nortel Networks Limited Improved power amplifier configuration
WO2005020430A2 (en) * 2003-08-11 2005-03-03 Telefonaktiebolaget L.M. Ericsson (Publ) Pseudo-polar modulation for radio transmitters
EP1569330A1 (en) * 2004-02-20 2005-08-31 Research In Motion Limited Method and apparatus for improving power amplifier efficience in wireless communication systems having high peak to average power ratios
US20050242875A1 (en) * 2004-03-19 2005-11-03 Mark Gurvich High efficiency linear amplifier employing dynamically controlled back off

Also Published As

Publication number Publication date
GB2455066A (en) 2009-06-03
GB0722428D0 (en) 2007-12-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151115