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SE9903235L - Förfarande och anordning i ett telekommunikationssystem - Google Patents

Förfarande och anordning i ett telekommunikationssystem

Info

Publication number
SE9903235L
SE9903235L SE9903235A SE9903235A SE9903235L SE 9903235 L SE9903235 L SE 9903235L SE 9903235 A SE9903235 A SE 9903235A SE 9903235 A SE9903235 A SE 9903235A SE 9903235 L SE9903235 L SE 9903235L
Authority
SE
Sweden
Prior art keywords
demodulator
receiver
signal processing
samples
unit
Prior art date
Application number
SE9903235A
Other languages
Unknown language ( )
English (en)
Other versions
SE9903235D0 (sv
Inventor
Ning He
Goeran Klang
Torbjoern Ripstrand
Thomas Oestman
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
Priority to SE9903235A priority Critical patent/SE9903235L/sv
Publication of SE9903235D0 publication Critical patent/SE9903235D0/sv
Priority to TW089116530A priority patent/TW507429B/zh
Priority to GB0204011A priority patent/GB2374216B/en
Priority to AU74641/00A priority patent/AU7464100A/en
Priority to JP2001524264A priority patent/JP4488332B2/ja
Priority to PCT/SE2000/001703 priority patent/WO2001020807A1/en
Priority to ARP000104726A priority patent/AR025612A1/es
Publication of SE9903235L publication Critical patent/SE9903235L/sv

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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/0014—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0039—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • 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]
    • H04W52/52—Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
SE9903235A 1999-09-10 1999-09-10 Förfarande och anordning i ett telekommunikationssystem SE9903235L (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9903235A SE9903235L (sv) 1999-09-10 1999-09-10 Förfarande och anordning i ett telekommunikationssystem
TW089116530A TW507429B (en) 1999-09-10 2000-08-16 Method and arrangement in a telecommunication system
GB0204011A GB2374216B (en) 1999-09-10 2000-09-05 Method and arrangement for automatic gain control of received signals
AU74641/00A AU7464100A (en) 1999-09-10 2000-09-05 Method and arrangement for automatic gain control of received signals
JP2001524264A JP4488332B2 (ja) 1999-09-10 2000-09-05 通信システム及び受信機ユニットに用いられる回路
PCT/SE2000/001703 WO2001020807A1 (en) 1999-09-10 2000-09-05 Method and arrangement for automatic gain control of received signals
ARP000104726A AR025612A1 (es) 1999-09-10 2000-09-08 Metodo y disposicion en un sistema de telecomunicaciones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9903235A SE9903235L (sv) 1999-09-10 1999-09-10 Förfarande och anordning i ett telekommunikationssystem

Publications (2)

Publication Number Publication Date
SE9903235D0 SE9903235D0 (sv) 1999-09-10
SE9903235L true SE9903235L (sv) 2001-03-11

Family

ID=20416947

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9903235A SE9903235L (sv) 1999-09-10 1999-09-10 Förfarande och anordning i ett telekommunikationssystem

Country Status (7)

Country Link
JP (1) JP4488332B2 (sv)
AR (1) AR025612A1 (sv)
AU (1) AU7464100A (sv)
GB (1) GB2374216B (sv)
SE (1) SE9903235L (sv)
TW (1) TW507429B (sv)
WO (1) WO2001020807A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101107785A (zh) 2005-01-18 2008-01-16 株式会社Ntt都科摩 移动通信终端及控制安装在移动通信终端上的多个接收装置的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5299226A (en) * 1990-11-16 1994-03-29 Interdigital Technology Corporation Adaptive power control for a spread spectrum communications system and method
US5566201A (en) * 1994-09-27 1996-10-15 Nokia Mobile Phones Ltd. Digital AGC for a CDMA radiotelephone
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
JPH08335928A (ja) * 1995-06-07 1996-12-17 Oki Electric Ind Co Ltd 受信装置
US6466629B1 (en) * 1996-09-02 2002-10-15 Stmicroelectronics N.V. Multi-carrier transmission systems
JP2970550B2 (ja) * 1996-09-13 1999-11-02 日本電気株式会社 一括分波回路
JPH10112682A (ja) * 1996-10-03 1998-04-28 Canon Inc 無線通信システム、その送信電力制御方法および基地局

Also Published As

Publication number Publication date
JP4488332B2 (ja) 2010-06-23
AR025612A1 (es) 2002-12-04
WO2001020807A1 (en) 2001-03-22
SE9903235D0 (sv) 1999-09-10
TW507429B (en) 2002-10-21
GB2374216B (en) 2004-04-14
AU7464100A (en) 2001-04-17
GB0204011D0 (en) 2002-04-03
JP2003509949A (ja) 2003-03-11
GB2374216A (en) 2002-10-09

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