WO2009075100A1 - Radio circuit device - Google Patents

Radio circuit device Download PDF

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Publication number
WO2009075100A1
WO2009075100A1 PCT/JP2008/003679 JP2008003679W WO2009075100A1 WO 2009075100 A1 WO2009075100 A1 WO 2009075100A1 JP 2008003679 W JP2008003679 W JP 2008003679W WO 2009075100 A1 WO2009075100 A1 WO 2009075100A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
circuit
envelope signal
transmission
envelope
Prior art date
Application number
PCT/JP2008/003679
Other languages
French (fr)
Japanese (ja)
Inventor
Toshifumi Nakatani
Satoshi Tsukamoto
Noriaki Saito
Original Assignee
Panasonic Corporation
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 JP2008312371A external-priority patent/JP2009165112A/en
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/747,349 priority Critical patent/US20100260077A1/en
Publication of WO2009075100A1 publication Critical patent/WO2009075100A1/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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver

Abstract

Provided is a radio circuit device which can minimize mixing/modulation disturbance of a reception circuit attributed to a transmission signal leak. The radio circuit device includes: a transmission baseband circuit (12) which outputs a transmission signal; reception circuits (14, 15) which input a reception signal as a differential RF signal; an envelope signal generation circuit (24) which generates an envelope signal obtained by squaring the envelope signal of the RF transmission signal from the transmission signal (12) outputted from the transmission baseband circuit; an envelope signal control circuit (20) which outputs a control signal for controlling the amplitude and the delay time of the envelope signal; and an envelope signal implantation circuit (23) which controls the amplitude and the delay time of the envelope signal according to the control signal outputted from the envelope signal control circuit (20) and implants the controlled envelope signal in the same phase as the differential RF signal of the reception circuits (14, 15).
PCT/JP2008/003679 2007-12-12 2008-12-09 Radio circuit device WO2009075100A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/747,349 US20100260077A1 (en) 2007-12-12 2008-12-09 Radio circuit device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007320905 2007-12-12
JP2007-320905 2007-12-12
JP2008-312371 2008-12-08
JP2008312371A JP2009165112A (en) 2007-12-12 2008-12-08 Wireless circuit device

Publications (1)

Publication Number Publication Date
WO2009075100A1 true WO2009075100A1 (en) 2009-06-18

Family

ID=40755348

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003679 WO2009075100A1 (en) 2007-12-12 2008-12-09 Radio circuit device

Country Status (1)

Country Link
WO (1) WO2009075100A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011004553A1 (en) * 2009-07-08 2011-01-13 パナソニック株式会社 Polar modulator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09312587A (en) * 1996-05-22 1997-12-02 Sony Corp Radio communication equipment
JP2000349678A (en) * 1999-05-24 2000-12-15 Koninkl Philips Electronics Nv Method for reducing cross modulation and transceiver employing the method
JP2004215244A (en) * 2002-12-18 2004-07-29 Matsushita Electric Ind Co Ltd Radio communication apparatus, radio communication method, antenna system, and first duplexer
WO2005025079A1 (en) * 2003-09-03 2005-03-17 Hitachi Kokusai Electric Inc. Multicarrier signal processing apparatus
JP2005167719A (en) * 2003-12-03 2005-06-23 Pioneer Electronic Corp Receiver
JP2006527530A (en) * 2003-06-06 2006-11-30 インターディジタル テクノロジー コーポレイション Method and system for suppressing carrier leak
JP2007288492A (en) * 2006-04-17 2007-11-01 Fujitsu Ltd Distortion compensating device and distortion compensation method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09312587A (en) * 1996-05-22 1997-12-02 Sony Corp Radio communication equipment
JP2000349678A (en) * 1999-05-24 2000-12-15 Koninkl Philips Electronics Nv Method for reducing cross modulation and transceiver employing the method
JP2004215244A (en) * 2002-12-18 2004-07-29 Matsushita Electric Ind Co Ltd Radio communication apparatus, radio communication method, antenna system, and first duplexer
JP2006527530A (en) * 2003-06-06 2006-11-30 インターディジタル テクノロジー コーポレイション Method and system for suppressing carrier leak
WO2005025079A1 (en) * 2003-09-03 2005-03-17 Hitachi Kokusai Electric Inc. Multicarrier signal processing apparatus
JP2005167719A (en) * 2003-12-03 2005-06-23 Pioneer Electronic Corp Receiver
JP2007288492A (en) * 2006-04-17 2007-11-01 Fujitsu Ltd Distortion compensating device and distortion compensation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011004553A1 (en) * 2009-07-08 2011-01-13 パナソニック株式会社 Polar modulator
US8860524B2 (en) 2009-07-08 2014-10-14 Panasonic Corporation Polar modulator

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