DE60136781D1 - Schaltung zur Bestimmung des Verhältnisses von Verlustleistung zu Signalleistung - Google Patents

Schaltung zur Bestimmung des Verhältnisses von Verlustleistung zu Signalleistung

Info

Publication number
DE60136781D1
DE60136781D1 DE60136781T DE60136781T DE60136781D1 DE 60136781 D1 DE60136781 D1 DE 60136781D1 DE 60136781 T DE60136781 T DE 60136781T DE 60136781 T DE60136781 T DE 60136781T DE 60136781 D1 DE60136781 D1 DE 60136781D1
Authority
DE
Germany
Prior art keywords
determining
ratio
circuit
power
power loss
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
DE60136781T
Other languages
English (en)
Inventor
Mikio Hayashihara
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE60136781D1 publication Critical patent/DE60136781D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • 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
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/354—Adjacent channel leakage power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE60136781T 2000-08-30 2001-08-29 Schaltung zur Bestimmung des Verhältnisses von Verlustleistung zu Signalleistung Expired - Lifetime DE60136781D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000261575A JP4413398B2 (ja) 2000-08-30 2000-08-30 漏洩電力比検出回路および移動通信端末の制御回路

Publications (1)

Publication Number Publication Date
DE60136781D1 true DE60136781D1 (de) 2009-01-15

Family

ID=18749392

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60136781T Expired - Lifetime DE60136781D1 (de) 2000-08-30 2001-08-29 Schaltung zur Bestimmung des Verhältnisses von Verlustleistung zu Signalleistung

Country Status (4)

Country Link
US (1) US6912377B2 (de)
EP (1) EP1185009B1 (de)
JP (1) JP4413398B2 (de)
DE (1) DE60136781D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3477177B2 (ja) * 2001-03-02 2003-12-10 株式会社東芝 無線機及び利得制御回路
US6710651B2 (en) * 2001-10-22 2004-03-23 Kyocera Wireless Corp. Systems and methods for controlling output power in a communication device
JP2004297753A (ja) * 2003-02-07 2004-10-21 Nec Tokin Corp 電源回路、及び該電源回路を備えた通信機器
GB2406985A (en) * 2003-10-07 2005-04-13 Software Radio Technology Ltd An RF transmitter with optimal control of amplifier bias with respect to efficiency and adjacent channel power
FI20031805A0 (fi) * 2003-12-10 2003-12-10 Nokia Corp Radiolähettimen testausmenetelmä, radiolähetin ja tukiasema
EP1564897A1 (de) * 2004-02-13 2005-08-17 Thomson Licensing S.A. Steuerung eines Leistungsverstärkers zur Verringerung des Stromverbrauchs in einer Sender-Empfänger-Einheit
FR2879882B1 (fr) * 2004-12-22 2007-05-18 Sagem Procede et systeme d'autocalibration d'une chaine d'emission d'un terminal mobile par l'utilisation d'un recepteur umts ou gsm embarque
DE102005006162B3 (de) * 2005-02-10 2006-08-17 Infineon Technologies Ag Sende-/Empfangseinrichtung mit einem eine einstellbare Vorverzerrung aufweisenden Polar-Modulator
JP2008098830A (ja) * 2006-10-10 2008-04-24 Matsushita Electric Ind Co Ltd 送信回路及び携帯端末装置
WO2008052385A1 (fr) * 2006-10-30 2008-05-08 Zte Corporation Procédé de mesure de l'aclr d'un terminal wcdma et appareil correspondant
US7460049B2 (en) * 2007-04-13 2008-12-02 Mediatek Inc. Power-to-digital converter
US7741903B2 (en) 2007-07-17 2010-06-22 Quantance, Inc. Distortion-driven power amplifier power supply controller
KR101878875B1 (ko) * 2011-12-26 2018-07-17 삼성전자주식회사 통신 기기에서 송신기의 켈리브레이션을 위한 장치 및 방법
JP6119735B2 (ja) * 2012-03-12 2017-04-26 日本電気株式会社 送信装置および送信方法
JP6756494B2 (ja) * 2016-03-04 2020-09-16 株式会社Ｓｃｒｅｅｎホールディングス 信号増幅装置及び半導体検査装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2967699B2 (ja) * 1995-03-06 1999-10-25 日本電気株式会社 送信装置
US5712593A (en) 1996-02-05 1998-01-27 Motorola, Inc. Linear power amplifier with distortion detection
JP3778397B2 (ja) * 1997-12-27 2006-05-24 ソニー株式会社 送信方法、送信電力制御方法及び基地局装置

Also Published As

Publication number Publication date
EP1185009A2 (de) 2002-03-06
EP1185009B1 (de) 2008-12-03
US6912377B2 (en) 2005-06-28
EP1185009A3 (de) 2003-03-19
US20020025789A1 (en) 2002-02-28
JP4413398B2 (ja) 2010-02-10
JP2002076952A (ja) 2002-03-15

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