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DE69914600D1 - Mobiles kommunikationsendgerät - Google Patents

Mobiles kommunikationsendgerät

Info

Publication number
DE69914600D1
DE69914600D1 DE69914600T DE69914600T DE69914600D1 DE 69914600 D1 DE69914600 D1 DE 69914600D1 DE 69914600 T DE69914600 T DE 69914600T DE 69914600 T DE69914600 T DE 69914600T DE 69914600 D1 DE69914600 D1 DE 69914600D1
Authority
DE
Germany
Prior art keywords
mobile communication
communication terminal
terminal
mobile
communication
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
DE69914600T
Other languages
English (en)
Other versions
DE69914600T2 (de
Inventor
Koji Higuchi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69914600D1 publication Critical patent/DE69914600D1/de
Application granted granted Critical
Publication of DE69914600T2 publication Critical patent/DE69914600T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/005—Reducing noise, e.g. humm, from the supply
    • 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
    • H04B1/0475—Circuits with means for limiting noise, interference or 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1607—Supply circuits
    • 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
    • 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
    • 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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2215/00—Reducing interference at the transmission system level
    • H04B2215/061—Reduction of burst noise, e.g. in TDMA systems
    • H04B2215/063—Reduction of burst noise, e.g. in TDMA systems by smoothing the transmission power envelope

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
DE69914600T 1999-04-02 1999-04-02 Mobiles kommunikationsendgerät Expired - Fee Related DE69914600T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/001739 WO2000060753A1 (en) 1999-04-02 1999-04-02 Mobile communication terminal

Publications (2)

Publication Number Publication Date
DE69914600D1 true DE69914600D1 (de) 2004-03-11
DE69914600T2 DE69914600T2 (de) 2004-09-30

Family

ID=14235373

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69914600T Expired - Fee Related DE69914600T2 (de) 1999-04-02 1999-04-02 Mobiles kommunikationsendgerät

Country Status (6)

Country Link
US (1) US6282411B2 (de)
EP (1) EP1087536B1 (de)
JP (1) JP3822057B2 (de)
CN (1) CN1154241C (de)
DE (1) DE69914600T2 (de)
WO (1) WO2000060753A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0014344D0 (en) * 2000-06-13 2000-08-02 Nokia Mobile Phones Ltd Universal modulation mode tri-amplifier
DE10136071A1 (de) † 2001-07-25 2003-02-13 Infineon Technologies Ag Verfahren und Vorrichtung zur Kompensation eines Phasenfehlers eines Empfangs- und/oder Sendesystems mit I/Q-Schnittstelle
JP3612506B2 (ja) * 2001-09-04 2005-01-19 Ｎｅｃアクセステクニカ株式会社 移動携帯端末装置
JP4284400B2 (ja) * 2004-12-01 2009-06-24 京セラ株式会社 携帯電話機、方法及びプログラム
EP1938171B1 (de) * 2005-10-14 2017-01-04 BlackBerry Limited System und verfahren zur verwaltung des batterieverbrauchs
US7697903B2 (en) * 2006-12-06 2010-04-13 Broadcom Corporation Method and system for level detector calibration for accurate transmit power control
US8175561B2 (en) * 2008-03-13 2012-05-08 Sony Ericsson Mobile Communications Ab Automatic optimization of RF receiver interference performance
CN201788264U (zh) * 2009-12-09 2011-04-06 中兴通讯股份有限公司 一种手机电池电压指示电路
US8820626B2 (en) 2011-09-16 2014-09-02 Blackberry Limited Diagnostic use of physical and electrical battery parameters
EP2571131B1 (de) * 2011-09-16 2018-01-24 BlackBerry Limited Diagnostische Verwendung einer Vielzahl elektrischer Batterieparametern
US8829911B2 (en) 2011-09-16 2014-09-09 Blackberry Limited Diagnostic use of a plurality of electrical battery parameters
US8860420B2 (en) 2011-09-16 2014-10-14 Blackberry Limited Diagnostic use of physical and electrical battery parameters and storing relative condition data
JP6152487B2 (ja) * 2014-09-29 2017-06-21 株式会社日立国際電気 無線通信装置および電源装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324714A (en) * 1976-08-20 1978-03-07 Alps Electric Co Ltd Ssb transceiver
JP2513289B2 (ja) * 1989-01-06 1996-07-03 日本電気株式会社 変調装置
JP2967699B2 (ja) * 1995-03-06 1999-10-25 日本電気株式会社 送信装置
FI98673C (fi) * 1995-08-07 1997-07-25 Nokia Telecommunications Oy Automaattinen radiolähettimen viritys
SE506842C2 (sv) * 1996-06-28 1998-02-16 Ericsson Telefon Ab L M Anordning och förfarande vid radiosändare för styrning av effektförstärkare
JPH10154923A (ja) * 1996-11-22 1998-06-09 Tateyama Kagaku Kogyo Kk 信号変換装置と無線通信機
US5881374A (en) * 1997-01-31 1999-03-09 Telefonaktiebolaget L M Ericsson (Publ) Circuitry and method for detecting frequency deviation caused by aging of an oscillator
US5825640A (en) * 1997-06-30 1998-10-20 Motorola, Inc. Charge pump circuit and method

Also Published As

Publication number Publication date
JP3822057B2 (ja) 2006-09-13
EP1087536A4 (de) 2002-10-21
US20010003091A1 (en) 2001-06-07
US6282411B2 (en) 2001-08-28
EP1087536A1 (de) 2001-03-28
CN1154241C (zh) 2004-06-16
CN1311923A (zh) 2001-09-05
WO2000060753A1 (en) 2000-10-12
DE69914600T2 (de) 2004-09-30
EP1087536B1 (de) 2004-02-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee