DE60221958D1 - Funkübertragungsvorrichtung mit qpsk-modulator und ask-modulator - Google Patents

Funkübertragungsvorrichtung mit qpsk-modulator und ask-modulator

Info

Publication number
DE60221958D1
DE60221958D1 DE60221958T DE60221958T DE60221958D1 DE 60221958 D1 DE60221958 D1 DE 60221958D1 DE 60221958 T DE60221958 T DE 60221958T DE 60221958 T DE60221958 T DE 60221958T DE 60221958 D1 DE60221958 D1 DE 60221958D1
Authority
DE
Germany
Prior art keywords
modulator
transmission device
radio transmission
ask
qpsk
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
DE60221958T
Other languages
English (en)
Inventor
A Sasabata
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE60221958D1 publication Critical patent/DE60221958D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • 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
DE60221958T 2001-03-16 2002-03-14 Funkübertragungsvorrichtung mit qpsk-modulator und ask-modulator Expired - Lifetime DE60221958D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001076883A JP3565175B2 (ja) 2001-03-16 2001-03-16 無線通信機
PCT/IB2002/002502 WO2002080478A2 (en) 2001-03-16 2002-03-14 Qpsk modulator connected to an ask modulator

Publications (1)

Publication Number Publication Date
DE60221958D1 true DE60221958D1 (de) 2007-10-04

Family

ID=18933736

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60221958T Expired - Lifetime DE60221958D1 (de) 2001-03-16 2002-03-14 Funkübertragungsvorrichtung mit qpsk-modulator und ask-modulator

Country Status (7)

Country Link
US (1) US7120202B2 (de)
EP (1) EP1332595B8 (de)
JP (1) JP3565175B2 (de)
KR (1) KR100835118B1 (de)
CN (1) CN1241375C (de)
DE (1) DE60221958D1 (de)
WO (1) WO2002080478A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3565175B2 (ja) 2001-03-16 2004-09-15 株式会社村田製作所 無線通信機
DE60325288D1 (de) * 2002-10-08 2009-01-22 Ma Com Inc Sendersysteme für elektromagnetische Wellen und entsprechende Methoden und hergestellte Gegenstände
KR100605100B1 (ko) * 2003-11-05 2006-07-26 삼성전자주식회사 데이터 전송 속도가 향상된 아이씨 카드, 아이씨 카드프로세서 및 아이씨 카드 시스템
JP2006042214A (ja) * 2004-07-29 2006-02-09 Nec Electronics Corp 半導体装置およびｉｃタグ
US7512395B2 (en) * 2006-01-31 2009-03-31 International Business Machines Corporation Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection
JP5164516B2 (ja) 2006-10-16 2013-03-21 パナソニック株式会社 Ｕｗｂ送信装置およびｕｗｂ送信方法
US8155235B2 (en) 2007-01-30 2012-04-10 Panasonic Corporation Modulation device and demodulation device
WO2008093743A1 (ja) * 2007-01-30 2008-08-07 Panasonic Corporation 変調装置及び復調装置
CN112468174B (zh) * 2015-01-30 2022-02-18 北京桂花网科技有限公司 蓝牙透明中继器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025354A (ja) 1983-07-22 1985-02-08 Fujitsu Ltd 無線通信方式
US6728467B2 (en) * 1992-03-26 2004-04-27 Matsushita Electric Industrial Co., Ltd. Communication system
JP3274055B2 (ja) * 1996-01-29 2002-04-15 沖電気工業株式会社 スペクトル拡散方式に従う受信機の飽和防止回路
JP3118419B2 (ja) * 1996-06-07 2000-12-18 株式会社ケンウッド Ａｍデータ多重変調装置
US5815531A (en) * 1996-06-12 1998-09-29 Ericsson Inc. Transmitter for encoded data bits
JP3972224B2 (ja) * 1998-02-10 2007-09-05 ソニー株式会社 Ｉｃカード、ｉｃカード処理装置及びｉｃカードシステム
US6452909B1 (en) * 1998-07-24 2002-09-17 Texas Instruments Israel Ltd. Time division duplex transceiver utilizing a single oscillator
US6061555A (en) * 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
JP2000196690A (ja) 1998-12-24 2000-07-14 Toshiba Tec Corp 変調装置及び変調方法
JP3473492B2 (ja) 1999-04-28 2003-12-02 株式会社村田製作所 Ａｓｋ変調器およびそれを用いた通信装置
EP1056248A1 (de) * 1999-05-26 2000-11-29 Ascom AG Modulator, der getrennte Stufen für Phase und Amplitude verwendet
DE69936990T2 (de) * 1999-10-06 2008-01-10 Matsushita Electric Industrial Co., Ltd., Kadoma Ortungssystem für ein Mobiltelefonnetz
JP3565175B2 (ja) 2001-03-16 2004-09-15 株式会社村田製作所 無線通信機
US7039126B2 (en) * 2001-06-18 2006-05-02 Northrop Grumman Corp. M-ary signal constellations suitable for non-linear amplification

Also Published As

Publication number Publication date
CN1241375C (zh) 2006-02-08
US20030147475A1 (en) 2003-08-07
CN1488218A (zh) 2004-04-07
EP1332595B8 (de) 2007-10-10
WO2002080478A3 (en) 2003-06-05
JP3565175B2 (ja) 2004-09-15
US7120202B2 (en) 2006-10-10
EP1332595B1 (de) 2007-08-22
EP1332595A2 (de) 2003-08-06
WO2002080478A2 (en) 2002-10-10
KR100835118B1 (ko) 2008-06-05
KR20030007627A (ko) 2003-01-23
JP2002281098A (ja) 2002-09-27

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Legal Events

Date Code Title Description
8332 No legal effect for de