WO2001076114A1 - Dispositif de traitement du signal pour systeme de communication multiplex et procede de traitement du signal a cet effet - Google Patents

Dispositif de traitement du signal pour systeme de communication multiplex et procede de traitement du signal a cet effet Download PDF

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Publication number
WO2001076114A1
WO2001076114A1 PCT/JP2000/002046 JP0002046W WO0176114A1 WO 2001076114 A1 WO2001076114 A1 WO 2001076114A1 JP 0002046 W JP0002046 W JP 0002046W WO 0176114 A1 WO0176114 A1 WO 0176114A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
group
communication system
processing method
method therefor
Prior art date
Application number
PCT/JP2000/002046
Other languages
English (en)
French (fr)
Inventor
Kenro Hitara
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
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 Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to CNB008082553A priority Critical patent/CN1161916C/zh
Priority to PCT/JP2000/002046 priority patent/WO2001076114A1/ja
Priority to US09/926,658 priority patent/US6982972B1/en
Priority to EP20000912996 priority patent/EP1180867A1/en
Priority to JP2001573668A priority patent/JP3742012B2/ja
Publication of WO2001076114A1 publication Critical patent/WO2001076114A1/ja

Links

Classifications

    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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
PCT/JP2000/002046 2000-03-30 2000-03-30 Dispositif de traitement du signal pour systeme de communication multiplex et procede de traitement du signal a cet effet WO2001076114A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CNB008082553A CN1161916C (zh) 2000-03-30 2000-03-30 多路复用通信系统的信号处理装置及其信号处理方法
PCT/JP2000/002046 WO2001076114A1 (fr) 2000-03-30 2000-03-30 Dispositif de traitement du signal pour systeme de communication multiplex et procede de traitement du signal a cet effet
US09/926,658 US6982972B1 (en) 2000-03-30 2000-03-30 Signal processor in multiplex communication system utilizing a changeover signal indicating a change in gain of the transmission signal and the signal processing method for the system
EP20000912996 EP1180867A1 (en) 2000-03-30 2000-03-30 Signal processor for multiplex communication system and signal processing method therefor
JP2001573668A JP3742012B2 (ja) 2000-03-30 2000-03-30 多重通信システムにおける信号処理装置およびその信号処理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/002046 WO2001076114A1 (fr) 2000-03-30 2000-03-30 Dispositif de traitement du signal pour systeme de communication multiplex et procede de traitement du signal a cet effet

Publications (1)

Publication Number Publication Date
WO2001076114A1 true WO2001076114A1 (fr) 2001-10-11

Family

ID=11735858

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/002046 WO2001076114A1 (fr) 2000-03-30 2000-03-30 Dispositif de traitement du signal pour systeme de communication multiplex et procede de traitement du signal a cet effet

Country Status (5)

Country Link
US (1) US6982972B1 (ja)
EP (1) EP1180867A1 (ja)
JP (1) JP3742012B2 (ja)
CN (1) CN1161916C (ja)
WO (1) WO2001076114A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007037124A1 (ja) * 2005-09-28 2007-04-05 Nec Corporation 変調器、フィルタ、フィルタのゲイン制御方法、および符号変調方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7907671B2 (en) * 2004-12-03 2011-03-15 Motorola Mobility, Inc. Method and system for scaling a multi-channel signal
US7864663B2 (en) * 2007-05-25 2011-01-04 Telefonaktiebolaget Lm Ericsson (Publ) Orthogonal spread-spectrum waveform generation with non-contiguous spectral occupancy for use in CDMA communications

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63219215A (ja) * 1987-03-09 1988-09-12 Hitachi Ltd 電力制御装置
JPH03224336A (ja) * 1990-01-30 1991-10-03 Nec Corp 出力波形制御装置
JPH05122265A (ja) * 1991-10-23 1993-05-18 Nec Corp デイジタル変調回路
JPH10224293A (ja) * 1997-01-31 1998-08-21 Nippon Telegr & Teleph Corp <Ntt> 移動局送信電力の制御方法および移動通信方式

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US4806845A (en) * 1985-05-07 1989-02-21 Toyota Jidosha Kabushiki Kaisha System for measuring and generating electric noise
US5930230A (en) * 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
US6396804B2 (en) * 1996-05-28 2002-05-28 Qualcomm Incorporated High data rate CDMA wireless communication system
US5991284A (en) * 1997-02-13 1999-11-23 Qualcomm Inc. Subchannel control loop
JP3109589B2 (ja) 1998-03-18 2000-11-20 日本電気株式会社 Ｃｄｍａ端末の送信パワー調整方法及び装置
KR100416987B1 (ko) * 1998-03-19 2004-08-04 삼성전자주식회사 통신시스템의부가정보삽입장치및방법
KR20000014423A (ko) * 1998-08-17 2000-03-15 윤종용 부호분할다중접속 통신시스템의 통신제어장치 및 방법
KR100290676B1 (ko) * 1998-09-21 2001-07-12 윤종용 광대역코드분할다중접속시스템을위한변조신호발생장치
US6625227B1 (en) * 1999-09-30 2003-09-23 Ericsson Inc. Artificial ramping of transmit power for burst transmissions
US6728299B2 (en) * 2002-06-28 2004-04-27 Nokia Corporation Transmitter gain control for CDMA signals

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63219215A (ja) * 1987-03-09 1988-09-12 Hitachi Ltd 電力制御装置
JPH03224336A (ja) * 1990-01-30 1991-10-03 Nec Corp 出力波形制御装置
JPH05122265A (ja) * 1991-10-23 1993-05-18 Nec Corp デイジタル変調回路
JPH10224293A (ja) * 1997-01-31 1998-08-21 Nippon Telegr & Teleph Corp <Ntt> 移動局送信電力の制御方法および移動通信方式

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SHUJI KUBOTA ET AL.: "Offset gata spectrum kakusan shingo no denso tokusei no ichi kento", DENSHI JOHO TSUSHIN GAKKUI SHUNKI TAIKAI KOEN RONBUNSHUU, BUNSATSU 2 B-420, 10 March 1994 (1994-03-10), pages 2, XP002947522 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007037124A1 (ja) * 2005-09-28 2007-04-05 Nec Corporation 変調器、フィルタ、フィルタのゲイン制御方法、および符号変調方法
US8311077B2 (en) 2005-09-28 2012-11-13 Nec Corporation Modulator, filter, method of controlling gain of filter, and code modulating method
CN101278491B (zh) * 2005-09-28 2013-03-06 日本电气株式会社 调制器、滤波器、滤波器增益控制方法和代码调制方法

Also Published As

Publication number Publication date
CN1353894A (zh) 2002-06-12
EP1180867A1 (en) 2002-02-20
JP3742012B2 (ja) 2006-02-01
US6982972B1 (en) 2006-01-03
CN1161916C (zh) 2004-08-11

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