ATE401695T1 - Regelung von leistungsverhältnissen für in-phase und quadrature kanäle in einem kommunikationssystem - Google Patents

Regelung von leistungsverhältnissen für in-phase und quadrature kanäle in einem kommunikationssystem

Info

Publication number
ATE401695T1
ATE401695T1 AT99946500T AT99946500T ATE401695T1 AT E401695 T1 ATE401695 T1 AT E401695T1 AT 99946500 T AT99946500 T AT 99946500T AT 99946500 T AT99946500 T AT 99946500T AT E401695 T1 ATE401695 T1 AT E401695T1
Authority
AT
Austria
Prior art keywords
channel
phase
communications system
gain signal
control
Prior art date
Application number
AT99946500T
Other languages
German (de)
English (en)
Inventor
Torgny Palenius
Hakan Eriksson
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 ATE401695T1 publication Critical patent/ATE401695T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/06TPC algorithms
    • H04W52/16Deriving transmission power values from another channel
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3089Control of digital or coded signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/26TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/30Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32TPC of broadcast or control channels
    • H04W52/325Power 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)
AT99946500T 1998-08-26 1999-08-23 Regelung von leistungsverhältnissen für in-phase und quadrature kanäle in einem kommunikationssystem ATE401695T1 (de)

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
ATE401695T1 true ATE401695T1 (de) 2008-08-15

Family

ID=22491371

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99946500T ATE401695T1 (de) 1998-08-26 1999-08-23 Regelung von leistungsverhältnissen für in-phase und quadrature kanäle in einem 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
DK1968189T3 (da) 2014-01-20
US6337876B1 (en) 2002-01-08
EP1968189A3 (en) 2009-12-02
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
Shepherd et al. Asymptotic limits in peak envelope power reduction by redundant coding in orthogonal frequency-division multiplex modulation
US7412008B2 (en) Programmable phase mapping and phase rotation modulator and method
CN1179041A (zh) 用于产生信号波形的沃尔什qpsk片调制设备
CN101360086B (zh) 信号处理方法及系统
US20100153049A1 (en) Apparatus, system, and method for calculating a non-linearity metric
WO2000035160A8 (en) Qam modulator for radio communications
CA2261138A1 (en) Variable rate transmission and reception methods, and variable rate transmission and reception devices
ATE401695T1 (de) Regelung von leistungsverhältnissen für in-phase und quadrature kanäle in einem kommunikationssystem
CN1119839C (zh) 无线电发射装置及其增益控制方法
US5629961A (en) Transmitter apparatus for mobile satellite communication terminal having an envelope equalizer
CN102594750B (zh) 产生中波段调制信号的方法
CN1487686A (zh) 用于预测对应于代码凸起的信令代码的方法和设备
US7274753B2 (en) Method of implementing modulation and modulator
KR100270656B1 (ko) 부호분할다중접속 통신시스템의 단말기 송신장치 및 방법
US7095290B2 (en) Method and system for generating higher order modulations with QPSK modulator
KR100338673B1 (ko) 부호분할다중접속통신시스템의송신장치및방법
KR100253048B1 (ko) 클럭위상제어 부호분할다중방법 및 그 장치
GB2188217A (en) Baseband spread-spectrum modulators
WO2005114938A2 (en) Modulation schemes for reduced power amplifier backoff
US20040162050A1 (en) Method for generating multiplier coefficients for a mixer
Chaudhari et al. DESIGN AND IMPLEMENTATION OF BPSK AND QPSK MODULATORS ON FPGA
JPWO2004019511A1 (ja) 無線送信装置
HK1094102A (en) Efficient spreader for spread spectrum communication systems

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties