WO2009044431A1 - RECEIVER FOR RECEIVING QUADRATURE FREQUENCY DIVISION MULTIPLEXED SIGNAL USING Zero-IF METHOD, AND RECEPTION METHOD - Google Patents

RECEIVER FOR RECEIVING QUADRATURE FREQUENCY DIVISION MULTIPLEXED SIGNAL USING Zero-IF METHOD, AND RECEPTION METHOD Download PDF

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Publication number
WO2009044431A1
WO2009044431A1 PCT/JP2007/001078 JP2007001078W WO2009044431A1 WO 2009044431 A1 WO2009044431 A1 WO 2009044431A1 JP 2007001078 W JP2007001078 W JP 2007001078W WO 2009044431 A1 WO2009044431 A1 WO 2009044431A1
Authority
WO
WIPO (PCT)
Prior art keywords
receiver
zero
ofdm
frequency division
signal
Prior art date
Application number
PCT/JP2007/001078
Other languages
French (fr)
Japanese (ja)
Inventor
Michiharu Nakamura
Makoto Yoshida
Yuuta Nakaya
Kazuhiko Kobayashi
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to JP2009535891A priority Critical patent/JP4941560B2/en
Priority to PCT/JP2007/001078 priority patent/WO2009044431A1/en
Publication of WO2009044431A1 publication Critical patent/WO2009044431A1/en

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Classifications

    • 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
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • 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
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3809—Amplitude regulation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Amplifiers (AREA)

Abstract

An OFDM receiver which is capable of reducing deterioration in the S/N ratio of the signal in the vicinity of zero frequency passing through the devices operating at low voltage such as CMOS device and the like, and a method for receiving the OFDM signals. In the OFDM receiver which includes a high-frequency amplifier (50) for amplifying received OFDM signal and down-converts the OFDM signal passing through the high-frequency amplifier (50) into the baseband signal, the high-frequency amplifier (50) is configured to amplify (W1) the OFDM signal at different gain depending on subcarrier frequency.
PCT/JP2007/001078 2007-10-03 2007-10-03 RECEIVER FOR RECEIVING QUADRATURE FREQUENCY DIVISION MULTIPLEXED SIGNAL USING Zero-IF METHOD, AND RECEPTION METHOD WO2009044431A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009535891A JP4941560B2 (en) 2007-10-03 2007-10-03 Receiver and receiving method for receiving orthogonal frequency division multiplexed signal by Zero-IF method
PCT/JP2007/001078 WO2009044431A1 (en) 2007-10-03 2007-10-03 RECEIVER FOR RECEIVING QUADRATURE FREQUENCY DIVISION MULTIPLEXED SIGNAL USING Zero-IF METHOD, AND RECEPTION METHOD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/001078 WO2009044431A1 (en) 2007-10-03 2007-10-03 RECEIVER FOR RECEIVING QUADRATURE FREQUENCY DIVISION MULTIPLEXED SIGNAL USING Zero-IF METHOD, AND RECEPTION METHOD

Publications (1)

Publication Number Publication Date
WO2009044431A1 true WO2009044431A1 (en) 2009-04-09

Family

ID=40525865

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/001078 WO2009044431A1 (en) 2007-10-03 2007-10-03 RECEIVER FOR RECEIVING QUADRATURE FREQUENCY DIVISION MULTIPLEXED SIGNAL USING Zero-IF METHOD, AND RECEPTION METHOD

Country Status (2)

Country Link
JP (1) JP4941560B2 (en)
WO (1) WO2009044431A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015115797A (en) * 2013-12-12 2015-06-22 新日本無線株式会社 Low noise oscillation circuit
US9148184B2 (en) 2010-03-17 2015-09-29 Nec Corporation Power detection circuit and power detection method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000196558A (en) * 1998-12-24 2000-07-14 Victor Co Of Japan Ltd Digital wave receiver
JP2000269918A (en) * 1999-03-16 2000-09-29 Matsushita Electric Ind Co Ltd Orthogonal frequency division multiplex transmission system and transmitter and receiver using the same
WO2005093962A1 (en) * 2004-03-25 2005-10-06 Matsushita Electric Industrial Co., Ltd. Radio system, radio transmitter, and radio receiver
JP2007300195A (en) * 2006-04-27 2007-11-15 Kyocera Corp Multi-carrier receiver, and control method of multi-carrier receiver

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000196558A (en) * 1998-12-24 2000-07-14 Victor Co Of Japan Ltd Digital wave receiver
JP2000269918A (en) * 1999-03-16 2000-09-29 Matsushita Electric Ind Co Ltd Orthogonal frequency division multiplex transmission system and transmitter and receiver using the same
WO2005093962A1 (en) * 2004-03-25 2005-10-06 Matsushita Electric Industrial Co., Ltd. Radio system, radio transmitter, and radio receiver
JP2007300195A (en) * 2006-04-27 2007-11-15 Kyocera Corp Multi-carrier receiver, and control method of multi-carrier receiver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9148184B2 (en) 2010-03-17 2015-09-29 Nec Corporation Power detection circuit and power detection method
JP2015115797A (en) * 2013-12-12 2015-06-22 新日本無線株式会社 Low noise oscillation circuit

Also Published As

Publication number Publication date
JPWO2009044431A1 (en) 2011-01-27
JP4941560B2 (en) 2012-05-30

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