JP3575751B2 - 通信システムにおける同相チャネルと直交チャネルの電力比の制御 - Google Patents

通信システムにおける同相チャネルと直交チャネルの電力比の制御 Download PDF

Info

Publication number
JP3575751B2
JP3575751B2 JP2000568181A JP2000568181A JP3575751B2 JP 3575751 B2 JP3575751 B2 JP 3575751B2 JP 2000568181 A JP2000568181 A JP 2000568181A JP 2000568181 A JP2000568181 A JP 2000568181A JP 3575751 B2 JP3575751 B2 JP 3575751B2
Authority
JP
Japan
Prior art keywords
channel
signal
bit
ideal
gain
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
JP2000568181A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002524901A5 (enExample
JP2002524901A (ja
Inventor
トルグニイ パレニウス，
ヘカン エリクソン，
Original Assignee
テレフオンアクチーボラゲット エル エム エリクソン（パブル）
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 テレフオンアクチーボラゲット エル エム エリクソン（パブル） filed Critical テレフオンアクチーボラゲット エル エム エリクソン（パブル）
Publication of JP2002524901A publication Critical patent/JP2002524901A/ja
Application granted granted Critical
Publication of JP3575751B2 publication Critical patent/JP3575751B2/ja
Publication of JP2002524901A5 publication Critical patent/JP2002524901A5/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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)
JP2000568181A 1998-08-26 1999-08-23 通信システムにおける同相チャネルと直交チャネルの電力比の制御 Expired - Lifetime JP3575751B2 (ja)

Applications Claiming Priority (3)

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
US09/140,470 1998-08-26
PCT/SE1999/001429 WO2000013312A1 (en) 1998-08-26 1999-08-23 Control of power ratios for in-phase and quadrature channels in a communications system

Publications (3)

Publication Number Publication Date
JP2002524901A JP2002524901A (ja) 2002-08-06
JP3575751B2 true JP3575751B2 (ja) 2004-10-13
JP2002524901A5 JP2002524901A5 (enExample) 2005-11-17

Family

ID=22491371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000568181A Expired - Lifetime JP3575751B2 (ja) 1998-08-26 1999-08-23 通信システムにおける同相チャネルと直交チャネルの電力比の制御

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
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

Similar Documents

Publication Publication Date Title
US7324828B2 (en) Transmission power control method and device
US6266321B1 (en) Method for transmitting two parallel channels using code division and an apparatus realizing the method
US6480528B1 (en) Automatic gain control for improved decoding of multi-carrier signal
US6553018B1 (en) Method and apparatus for adjusting transmission power of a CDMA terminal
KR20000005382A (ko) 무선 송수신기의 송신 전력 레벨을 제어하는하이브리드아날로그/디지털 방법 및 장치
EP1214791A1 (en) Method and apparatus for adaptive bit resolution in a digital receiver and a digital transmitter
US8462757B2 (en) Method for adjusting transmitter output power
US6775331B1 (en) Transmission band limiting filter apparatus and transmission apparatus
US20060120480A1 (en) Method and system for scaling a multi-channel signal
CN101401330A (zh) 移动台、控制信号发送功率的装置、方法及程序
JP3575751B2 (ja) 通信システムにおける同相チャネルと直交チャネルの電力比の制御
KR100450539B1 (ko) Ｃｄｍａ 변조 방법 및 그 장치
JP4515481B2 (ja) デジタル通信システムにおける量子化装置及び方法
JP2938001B1 (ja) 送信電力制御回路
JPH09270733A (ja) スペクトラム拡散通信装置
CN101151767A (zh) 天线自适应方法、通信终端、设备、模块和计算机程序产品
EP1276234A1 (en) Power control for non-constant envelope modulation

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040408

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040408

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20040408

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040507

TRDD Decision of grant or rejection written
A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20040609

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20040618

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20040702

R150 Certificate of patent or registration of utility model

Ref document number: 3575751

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080716

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090716

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100716

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110716

Year of fee payment: 7

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110716

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120716

Year of fee payment: 8

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120716

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130716

Year of fee payment: 9

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term