WO2003073659A3 - 3g radio - Google Patents

3g radio Download PDF

Info

Publication number
WO2003073659A3
WO2003073659A3 PCT/US2003/005260 US0305260W WO03073659A3 WO 2003073659 A3 WO2003073659 A3 WO 2003073659A3 US 0305260 W US0305260 W US 0305260W WO 03073659 A3 WO03073659 A3 WO 03073659A3
Authority
WO
WIPO (PCT)
Prior art keywords
gsm
umts
transmitter
radio
exception
Prior art date
Application number
PCT/US2003/005260
Other languages
French (fr)
Other versions
WO2003073659A2 (en
Inventor
Simon Atkinson
Palle Birk
Jonathan Richard Strange
Original Assignee
Analog Devices Inc
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
Priority claimed from GBGB0204108.5A external-priority patent/GB0204108D0/en
Application filed by Analog Devices Inc filed Critical Analog Devices Inc
Priority to US10/537,109 priority Critical patent/US20060140828A1/en
Publication of WO2003073659A2 publication Critical patent/WO2003073659A2/en
Publication of WO2003073659A3 publication Critical patent/WO2003073659A3/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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)

Abstract

A dual mode transmitter (1) for GSM and UMTS operation is provided. The GSM and UMTS paths share an oscillator and an intermediate frequency stage. Also, with the exception of the final stage of power amplification, the transmitter is provided as an integrated device.
PCT/US2003/005260 2002-02-21 2003-02-21 3g radio WO2003073659A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/537,109 US20060140828A1 (en) 2002-02-21 2003-02-21 Centrifugal reactor with residence time control

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0204108.5 2002-02-21
GBGB0204108.5A GB0204108D0 (en) 2002-02-21 2002-02-21 3G radio
US10/331,623 2002-12-30
US10/331,623 US7106805B2 (en) 2002-02-21 2002-12-30 3G radio

Publications (2)

Publication Number Publication Date
WO2003073659A2 WO2003073659A2 (en) 2003-09-04
WO2003073659A3 true WO2003073659A3 (en) 2004-02-19

Family

ID=27767097

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/005260 WO2003073659A2 (en) 2002-02-21 2003-02-21 3g radio

Country Status (1)

Country Link
WO (1) WO2003073659A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7672645B2 (en) 2006-06-15 2010-03-02 Bitwave Semiconductor, Inc. Programmable transmitter architecture for non-constant and constant envelope modulation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100466774C (en) * 2007-05-18 2009-03-04 华为技术有限公司 Fan zoning base station

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5794159A (en) * 1996-08-07 1998-08-11 Nokia Mobile Phones Limited Dual band mobile station employing cross-connected transmitter and receiver circuits
US6014551A (en) * 1996-07-18 2000-01-11 Nokia Mobile Phones Ltd. Arrangement for transmitting and receiving radio frequency signal at two frequency bands
US6405025B1 (en) * 1997-12-09 2002-06-11 Nokia Mobile Phones Limited Method for selecting the frequency range in radio communication devices operating in several frequency ranges and a radio communication device
US6516206B2 (en) * 1999-09-30 2003-02-04 Nokia Networks Oy Transceiver operation in radio system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6014551A (en) * 1996-07-18 2000-01-11 Nokia Mobile Phones Ltd. Arrangement for transmitting and receiving radio frequency signal at two frequency bands
US5794159A (en) * 1996-08-07 1998-08-11 Nokia Mobile Phones Limited Dual band mobile station employing cross-connected transmitter and receiver circuits
US6405025B1 (en) * 1997-12-09 2002-06-11 Nokia Mobile Phones Limited Method for selecting the frequency range in radio communication devices operating in several frequency ranges and a radio communication device
US6516206B2 (en) * 1999-09-30 2003-02-04 Nokia Networks Oy Transceiver operation in radio system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7672645B2 (en) 2006-06-15 2010-03-02 Bitwave Semiconductor, Inc. Programmable transmitter architecture for non-constant and constant envelope modulation

Also Published As

Publication number Publication date
WO2003073659A2 (en) 2003-09-04

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