MY119865A - Control of power ratios for in-phase and quadrature channels in a communications system - Google Patents

Control of power ratios for in-phase and quadrature channels in a communications system

Info

Publication number
MY119865A
MY119865A MYPI99003414A MYPI9903414A MY119865A MY 119865 A MY119865 A MY 119865A MY PI99003414 A MYPI99003414 A MY PI99003414A MY PI9903414 A MYPI9903414 A MY PI9903414A MY 119865 A MY119865 A MY 119865A
Authority
MY
Malaysia
Prior art keywords
channel
phase
communications system
gain signal
control
Prior art date
Application number
MYPI99003414A
Other languages
English (en)
Inventor
Palenius Torgny
Eriksson Hakan
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
Publication of MY119865A publication Critical patent/MY119865A/en

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)
MYPI99003414A 1998-08-26 1999-08-10 Control of power ratios for in-phase and quadrature channels in a communications system MY119865A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
MY119865A true MY119865A (en) 2005-07-29

Family

ID=22491371

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI99003414A MY119865A (en) 1998-08-26 1999-08-10 Control of power ratios for in-phase and quadrature channels in a communications system

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

Citations (1)

* 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

Family Cites Families (7)

* 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

Patent Citations (1)

* 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

Also Published As

Publication number Publication date
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
DK1968189T3 (da) 2014-01-20
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

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