DK1968189T3 - Apparatur og fremgangsmåde til styring af effektforhold til in-phase- og kvadraturkanaler i et kommunikationssystem - Google Patents

Apparatur og fremgangsmåde til styring af effektforhold til in-phase- og kvadraturkanaler i et kommunikationssystem

Info

Publication number
DK1968189T3
DK1968189T3 DK08011543.9T DK08011543T DK1968189T3 DK 1968189 T3 DK1968189 T3 DK 1968189T3 DK 08011543 T DK08011543 T DK 08011543T DK 1968189 T3 DK1968189 T3 DK 1968189T3
Authority
DK
Denmark
Prior art keywords
phase
channel
gain signal
communication system
controlling power
Prior art date
Application number
DK08011543.9T
Other languages
Danish (da)
English (en)
Inventor
Hakan Eriksson
Torgny Palenius
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK1968189T3 publication Critical patent/DK1968189T3/da

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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • 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]
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • 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
    • 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
    • H03G3/3089—Control of digital or coded signals
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
    • 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]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Communication Control (AREA)
  • Selective Calling Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Eye Examination Apparatus (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DK08011543.9T 1998-08-26 1999-08-23 Apparatur og fremgangsmåde til styring af effektforhold til in-phase- og kvadraturkanaler i et kommunikationssystem DK1968189T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/140,470 US6337876B1 (en) 1998-08-26 1998-08-26 Control of power ratios for in-phase and quadrature channels in a communications system
EP99946500A EP1108285B1 (en) 1998-08-26 1999-08-23 Control of power ratios for in-phase and quadrature channels in a communications system

Publications (1)

Publication Number Publication Date
DK1968189T3 true DK1968189T3 (da) 2014-01-20

Family

ID=22491371

Family Applications (1)

Application Number Title Priority Date Filing Date
DK08011543.9T DK1968189T3 (da) 1998-08-26 1999-08-23 Apparatur og fremgangsmåde til styring af effektforhold til in-phase- og kvadraturkanaler i et kommunikationssystem

Country Status (16)

Country Link
US (1) US6337876B1 (enExample)
EP (2) EP1968189B1 (enExample)
JP (1) JP3575751B2 (enExample)
KR (1) KR100647764B1 (enExample)
CN (1) CN1223081C (enExample)
AT (1) ATE401695T1 (enExample)
AU (1) AU754187B2 (enExample)
BR (1) BR9913465B1 (enExample)
DE (1) DE69939119D1 (enExample)
DK (1) DK1968189T3 (enExample)
EE (1) EE200100114A (enExample)
ES (1) ES2439949T3 (enExample)
HK (1) HK1040578B (enExample)
IL (1) IL141131A (enExample)
MY (1) MY119865A (enExample)
WO (1) WO2000013312A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6337876B1 (en) * 1998-08-26 2002-01-08 Telefonaktiebolaget Lm Ericsson (Publ) Control of power ratios for in-phase and quadrature channels in a communications system
EP1101292B1 (en) * 1999-05-26 2010-01-13 Koninklijke Philips Electronics N.V. Closed loop power control in a radio communication system
JP3688166B2 (ja) * 1999-11-26 2005-08-24 シャープ株式会社 Ｃｄｍａ変調方法及びその装置
KR20020051098A (ko) * 2000-12-22 2002-06-28 구자홍 디지털 송신 이득 조절기를 갖는 ｃｄｍａ 송신기
KR100515416B1 (ko) * 2002-12-05 2005-09-15 엘지전자 주식회사 이동통신 시스템에서의 공통전력제어채널 제어 방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535299A (en) 1983-06-14 1985-08-13 Texas Instruments Incorporated Compound floating point amplifier
US5544156A (en) * 1994-04-29 1996-08-06 Telefonaktiebolaget Lm Ericsson Direct sequence CDMA coherent uplink detector
US5784402A (en) 1995-01-09 1998-07-21 Kamilo Feher FMOD transceivers including continuous and burst operated TDMA, FDMA, spread spectrum CDMA, WCDMA and CSMA
US5784366A (en) 1996-08-27 1998-07-21 Transsky Corp. Wideband code-division-multiple access system and method
US6108369A (en) * 1997-07-11 2000-08-22 Telefonaktiebolaget Lm Ericsson Channelization code allocation for radio communication systems
US6009091A (en) * 1998-03-13 1999-12-28 Motorola, Inc. Method and apparatus for mobile station location within a communication system
DE69904107D1 (de) * 1998-04-30 2003-01-09 Roke Manor Research Leistungsregelung und Übertragungsrate-Verfahren für ein Mobilfunkübertragungssystem
US6337876B1 (en) * 1998-08-26 2002-01-08 Telefonaktiebolaget Lm Ericsson (Publ) Control of power ratios for in-phase and quadrature channels in a communications system

Also Published As

Publication number Publication date
MY119865A (en) 2005-07-29
EP1968189B1 (en) 2013-11-06
HK1040578B (zh) 2006-07-14
HK1040578A1 (en) 2002-06-14
BR9913465A (pt) 2001-06-05
EP1968189A2 (en) 2008-09-10
KR100647764B1 (ko) 2006-11-23
EE200100114A (et) 2002-06-17
EP1108285B1 (en) 2008-07-16
CN1315075A (zh) 2001-09-26
EP1108285A1 (en) 2001-06-20
KR20010072418A (ko) 2001-07-31
DE69939119D1 (de) 2008-08-28
WO2000013312A1 (en) 2000-03-09
AU5889999A (en) 2000-03-21
ES2439949T3 (es) 2014-01-27
CN1223081C (zh) 2005-10-12
BR9913465B1 (pt) 2014-11-25
JP3575751B2 (ja) 2004-10-13
US6337876B1 (en) 2002-01-08
EP1968189A3 (en) 2009-12-02
ATE401695T1 (de) 2008-08-15
AU754187B2 (en) 2002-11-07
JP2002524901A (ja) 2002-08-06
IL141131A (en) 2005-08-31
IL141131A0 (en) 2002-02-10

Similar Documents

Publication Publication Date Title
EP1374441B1 (en) QAM with quantised power
CN1179041A (zh) 用于产生信号波形的沃尔什qpsk片调制设备
ATE368974T1 (de) Zusätzliche hochratige übertragungskanäle für cdma kommunikationssystem
GB2352944B (en) Apparatus and method for moduating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication sytem
CA2407560A1 (en) Transmit antenna diversity apparatus and method for a base station in a cdma mobile communication system
CA2261138A1 (en) Variable rate transmission and reception methods, and variable rate transmission and reception devices
US20100153049A1 (en) Apparatus, system, and method for calculating a non-linearity metric
SE0202150D0 (sv) Apparatus and Method for Symbol Mapping TFCI Bits for a Hard Split Mode in a CDMA Mobile Communication System
CN1377533A (zh) 用于产生扩展编码信号的方法和装置
CN1119839C (zh) 无线电发射装置及其增益控制方法
DK1968189T3 (da) Apparatur og fremgangsmåde til styring af effektforhold til in-phase- og kvadraturkanaler i et kommunikationssystem
CN102594750A (zh) 产生中波段调制信号的方法
EP1320940B1 (en) Method and apparatus for efficient walsh covering and summing of signals in a communication system
US20050025256A1 (en) Method of implementing modulation and modulator
US6714599B1 (en) Method and apparatus for efficient processing of signal in a communication system
KR100270656B1 (ko) 부호분할다중접속 통신시스템의 단말기 송신장치 및 방법
KR100338673B1 (ko) 부호분할다중접속통신시스템의송신장치및방법
KR100253048B1 (ko) 클럭위상제어 부호분할다중방법 및 그 장치
US20050249311A1 (en) Modulation schemes for reduced power amplifier backoff
GB2188217A (en) Baseband spread-spectrum modulators
JPWO2004019511A1 (ja) 無線送信装置
CN101431352A (zh) 时分同步码分多址系统多信道幅度和增益调整方法及装置